Flooding Woes Trending in the Wrong Direction

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Back in April we outlined how Flooding is the by far the most common natural disaster and therefore the worst in terms of costliness, death, and destruction. Flooding woes come in many ways too, including long-term swelling lakes and rivers, storm surge and coastal flooding from Hurricanes and Tropical storms, and flash floods from downpours from severe thunderstorms. Last year’s Hurricane Harvey alone caused over 125 billion dollars, mostly from the widespread flooding across East Texas and Louisiana.

More Flooding Woes from Hurricane Florence

Yet another example of the ongoing cost of flooding was this month’s Hurricane Florence over the Carolinas. Five major watersheds saw an average of 17.5 inches of rain over four days, calculated to be the second worst in the last 70 years (second only to Hurricane Harvey’s 25.6 inches). The storm caused widespread flooding across a 14,000 sq mile area across both states. With two of the worst storms in consecutive years, leading meteorologists are blaming warmer oceans, more moisture and slower moving storms due in various ways to climate change causing tropical cyclones to dump more rain.

florence landfall lead to flooding woes

NOAA’s view of Hurricane Florence making Landfall near Wilmington, NC on September 14th

12 counties in North Carolina, where the storm made landfall near Wilmington, remain under varying types of evacuation orders as flood waters are either still cresting or very slowly receding. Consequently, nearly 300 roads are still closed across NC and neighborhoods in cities that thought they made it through the event unscathed are now being impacted. The toll on residents and infrastructure is estimated in the ballpark of 38 billion (and rising), making it the sixth costliest tropical cyclone on record.

Insurance Should Help, No?

Just as after last year’s Harvey impact (125 billion), flood insurance again has been a hot topic. With estimates of a million people dealign with flooding woes across the two states, it’s no surprise that in the aftermath of Florence there’s been a heap of national news coverage on the issue. If you google “Florence Flood Insurance” every article highlights the dire situation and elaborates on the fact that typical homeowner’s insurance doesn’t cover most of the people (estimated at 85%) affected. The other 15% have opted in to their insurance plan’s specialized flood coverage or were informed enough to join the National Flood Insurance Program (NFIP). Whether the others are uninformed, can’t pay, or don’t want to pay extra they are now (similar to Houston residents after Harvey) in what these articles are calling a ‘miserable’ fallout situation.

Rescued from flooding woes

Members of the 106th Rescue Squadron, 106th Rescue Wing, New York Air National Guard, drop from an HC-130J Combat King II aircraft during a rescue mission during Hurricane Florence, Sept. 17, 2018.(U.S. Air Force photo by Senior Airman Kyle Hagan)

Florence, like Harvey, turned out to be less of a wind event and with flood excluded on most homeowner’s policies, experts from the insurer point of view are expecting to deal with a “manageable” and “insignificant” event. Of the $38 billion dollar bill, only an estimated $1.7 billion to $4.6 billion will fall on the insurance industry from Florence’s winds and storm surge (damage from which are covered).

Question: Who will pay for homeowners who want to rebuild their homes then?

Answer 1: The Homeowner

  •  Uninsured homeowners will have to pay out of pocket or get loans from the Federal Government to pay for repairs to their flood-damaged homes. The loans have to be repaid in full.

Answer 2: The Taxpayers (indirectly)

  • The NFIP is vastly under-funded by policyholder revenue and multiple loans and bailouts since Hurricane Katrina have the taxpayers regularly on the hook for billions of dollars in relief.

This New York Times article sums this up nicely.

Flooding affects the US populace, both coastal and inland, every year. Implications from flooding events are statistically worsening whether from continued warming oceans and climate change or something else causing these outlier events to be more regular. Flooding woes like this month’s Florence is life changing for a huge number of people and communities, and unfortunately, it seems it’s but a matter of time until the next one with the same storyline.

Sources

CBS News
NY Times
Insurance Journal
Think Realty
National Flood Insurance Program (NFIP)
FEMA

Hurricane Florence Starts its Assault on North Carolina

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Hurricane Florence Current Situation

As of: 2100 UTC, Sep 13nd, 2018

  • Location: 100 miles ESE of Wilmington, NC
  • Size: Category 2
  • Maximum Sustained Winds: 100 mph
  • Present Movement: WNW at 5 mph
  • Minimum Central Pressure: 955 mb
  • Impact: Up to 11 feet of storm surge, heavy rain causing flash flooding
  • Incident Page: NHC Public Advisory
  • News Article: WunderBlog

Hurricane Florence Outlook

Hurricane Florence has started to impact North Carolina’s barrier islands. As it reaches landfall, the storm has been downgraded to a Category 2 Hurricane, but don’t let the category number fool you. Florence remains a massive and devastating hurricane. The storm continues to grow in area and is predicted to impact a large portion of the North and South Carolina coasts. Maximum sustained winds are hovering around 100 mph, with some higher gusts. Hurricane force winds extend up to 80 miles from the eye of the storm. Some coastal areas are already seeing storm surge flooding.  At the peak of the event, areas around river outflows could be dealing with storm surges up to 11 feet. The greatest storm surge inundation is expected between Cape Fear and Cape Hatteras where river outflow will meet the storm surge inundation.  Inland areas are not necessarily in the clear from the damage. Significant flash flooding and prolonged river flooding could extend as far as the Appalachians through early next week as the storm moves inland.

Nearly 2 million people are under hurricane Warning. Authorities are cautioning residents in evacuation zones to get out because first responders will not be able to perform rescues during the storm. Power outages are already affecting around 100,000 people and are expected to get worse as this incident continues.

Click here to look back on this year’s hurricane season outlook to see how the predictions are panning out.

View of the storm path and cone of uncertainty.

 

Predicted Flash Flooding Risk

Hurricane Irma – One Year Later

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  • Timeline: Aug 30 – Sept 13, 2017
  • Severely Impacted Areas: USVI, Puerto Rico, Georgia, Florida
  • Maximum Sustained Winds: 180 mph
  • Fatalities: 52 direct (wind-driven debris, storm surge), 82 indirect (heart attack, house fires, vehicle accidents)
  • Damages: $64.76 Billion (5th costliest tropical cyclone on record)

Hurricane Irma’s Trek Across the Atlantic

This week marks the anniversary of Hurricane Irma forming and making landfall across the Southern United States. Tropical Storm Irma became a named storm on the 30th of August, 2017. It moved steadily across the Atlantic Ocean at 10-15 mph. A week later, now a Category 5 Hurricane, Irma passed by Puerto Rico narrowly missing it to the north. The storm continued skirting along the northern coasts of the Caribbean Islands including the Dominican Republic and then Cuba. Then, a glancing landfall moment happened along the North Cuban coastline, briefly weakening Irma to a Category 3 Hurricane as it turned north toward Florida.

Throughout Irma’s approach to the US Mainland, forecasts remained uncertain and models were not in agreement. Every update led to questions: would Miami or Orlando would be directly in the path, would the storm would move farther west and trail the Gulf Coast side of Florida, or would it shift a bit more west and come up the Gulf and end up hitting the Florida panhandle? One thing was certain – wherever landfall occurred, winds, rain, and storm surge were going to be affect a lot of people and infrastructure. Hurricane Irma ended up making landfall as a Category 3 Hurricane on September 10th, 2017, just south of Fort Myers along the SW part of Florida’s peninsula.

Hurricane Irma's path across the Atlantic Ocean (Source: WikiCommons)

Hurricane Irma’s path across the Atlantic Ocean (Source: WikiCommons)

Rebuilding Ongoing

While power has been restored and roadways cleared, many areas still see the impacts of these storms. The Florida Keys and much of Florida’s peninsula experienced hurricane force winds, nearly a foot of rain, and around 10ft of storm surge. Cleaning up the wide-spread damage is a daunting undertaking; however, FEMA, charities from around the world, and community efforts came together to assist residents to get their areas back to habitable conditions. By October 1st, much of Key West’s historical district was back in operation and welcoming guests. Nearer the main land, the damage was more extensive. Some businesses and homeowners have chosen not to rebuild and now those that had less significant repairs have vacant lots as neighbors. Each family has to make the best decision for their circumstances and many chose to shift to a new location rather than go through the extensive rebuilding process.

Damaged structures on Ramrod Key, FL after Hurricane Irma passed through the area. (Source: Joe Raedle)

Damaged structures on Ramrod Key, FL after Hurricane Irma passed through the area. (Source: Joe Raedle)

When coming home after a storm, reentering the region, property, and structure safely is important. Ensuring flooding conditions haven’t led to moldy conditions, debris is properly removed, and the structure remains sound are just a few common checks. FEMA and the Insurance Institute for Business & Home Safety shared Safety Guidelines useful to making this process as smooth as possible.

 

Sources

National Hurricane Center, The Weather Channel, FEMA

Hurricane Lane Edges Closer to Hawaii

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This year Hawaii has already experienced lava flows and earthquakes from the Kilauea eruption, now the state braces for high winds, flooding, mudslides, brushfires and even the possibility of tornadoes caused  by the approaching Hurricane Lane. Hurricane Lane became a named storm on Wednesday August 15th off the southwestern coast of Mexico. The storm gradually strengthened, becoming a hurricane by that following Friday. As the hurricane churned its way slowly westward, early forecasts were already predicting the storms turn towards the Hawaiian Islands.

Rare for Hurricanes to Make landfall on the Islands

Hawaii is normally protected from approaching hurricanes because of cooler waters around the islands. An additional buffer is provided by a high pressure system that sits over the state during the majority of the hurricane season. Only two hurricanes have made landfall in Hawaii since the 50s. Hurricane Dot (1959) & Hurricane Iniki (1992). It has been a slow year in the Atlantic, but this year’s warmer than normal waters in the Pacific Ocean has fueled storms. Hurricane Lane,  which briefly became a Category 5 hurricane on August 21st, is the 12th named Pacific Storm this year. The storm continued its track towards Hawaii with most forecasts predicting its path to skirt the islands before turning to the west. Lane weakened to a Category 3 on Thursday the 23rd but the outer bands of the hurricane began unleashing torrential rains over the islands. The Big Island recorded 8” of rain during these initial hours and landslides were already beginning to threaten homes and close roadways.

Hurricane Lane Current Conditions

Hurricane Lane continues to churn to the north, slowing its forward movement and dropping to a Category 2 today. The outer bands of the storm continue to bring downpours all over the islands with rainfall rates reaching 1 to 3 inches per hour. So far Hawaii’s Big Island has been the hardest hit, receiving 31 inches of rain as of this morning. Widespread flooding has inundated downtown Hilo and flash flood watches will remain in effect until at least Friday evening.

Evacuations have been issued for flood prone areas on the Big Island, Kauai, Molokai and Maui. There have also been reports of power outages and mudslides have closed several roads. Forecasters are confident the storm track will have the hurricane skirting the islands. Landfall, however, isn’t the biggest worry as the slow movement of the storm greatly increases the amount of rainfall that will impact the already water logged and slide prone slopes.

Current Forecast Track for Hurricane Lane

Ahead of the Rains High Winds Spread Brushfires

High winds associated with Hurricane Lane are also caused of a brushfire that ignited around 1am Friday morning near Lahaina, Maui. Fire fighters are currently battling the 300 plus acre fire which has prompted evacuations and already impacted numerous structures. Another fire near Kaanapali on Maui threatened homes and burned down a banana tree patch before being contained. Maui is expected to get over 8 inches of rain today which should help to extinguish the fires and allow fire fighters to gain containment, but the burn scars could exacerbate debris flows.

After its westward turn Lane is expected to lose strength, dropping to a tropical storm. The threat to Hawaii, however, will continue well into next week as the storm continue to drop heavy rainfall.

 

 

 

 

 

 

hurricane harvey spins in gulf

2018 Hurricane Season Begins June 1st

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Hurricane season arrived early this year, as Subtropical Storm Alberto became the first named storm of the season late last week. Alberto ruined a Memorial Day weekend for the majority of the Gulf Coast as it doused the area with rain and even flooding. This anomaly subtropical storm actually came slightly earlier than the official start date of hurricane season. The official hurricane season runs from June 1st to November 30th for the Atlantic Ocean, and May 15th through November 30th for Eastern Pacific Ocean. After last fall’s major hurricane impacts, RedZone wanted to relay what the hurricane forecasts are predicting about the upcoming hurricane season.

Colorado State University releases an “Extended Range Forecast of Atlantic Seasonal Hurricane Activity and Landfall Strike Probability” report each year. This report is based off models that incorporate 30 years of atmospheric conditions, and hurricane data for statistical analysis. The current conditions in the Atlantic Ocean seem to be in a weak La Niña currently. This means that the oceans temperatures are relatively cooler than average. This is not conducive for hurricane formation and strengthening.  As a reminder, ENSO, otherwise known as the El Niño and the Southern Oscillation, is the periodic fluctuation of sea surface temperature. The worry from the Oceanic forecast, though, is that the ENSO transitional phase will occur during the summer months. The thinking is, the transition from La Niña conditions into even a mild El Niño (warmer sea surface temperatures) could result in above normal hurricane activity this hurricane season.

named storm predictions

This figure is the results from the model that Colorado State uses to predict the hurricane forecast.

This figure depicts the final analysis made by Colorado State University in totality regarding numbers related to the upcoming hurricane season. As you can see this year is expected to be above the 30 year average in every category that is shown. Below is a figure depicting FEMA’s modeling outlook for the Hurricane season. FEMA’s model shows very little variation from what Colorado State’s results were.

NOAA Hurricane Season Outlook

NOAA’s Hurricane Season Outlook is predicting an average to above average year

Sources:

https://www.cnn.com/2018/05/27/us/weather-storm-alberto/index.html

https://www.livescience.com/57671-hurricane-season.html

https://oceanservice.noaa.gov/facts/ninonina.html

https://www.ncdc.noaa.gov/teleconnections/enso/enso-tech.php

RedZone Disaster Intelligence

How Can Technology Assist Insurance Carriers With Disaster Moratoriums?

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Have you ever wondered how home insurance companies deal with writing new policies in an ongoing disaster zone? Well the truthful answer is they don’t. For instance, when a large wildland fire is threatening homes or has the potential to, insurance carriers place a moratorium on the surrounding landscape. A moratorium is a temporary, but indefinite hold on writing any new home insurance policies within the blanket area that is declared. The purpose of this practice is to stop new customers who aren’t covered for fire, or other disaster related damages, from buying a policy right before the home is damaged. The problem is the geographic regions that are typically chosen for a moratorium are too large. The regions that are chosen usually include areas that are not threatened by the disaster in any way shape or form. This leaves an undesirable gap in business for both the insurers and possible policy holders. Here at RedZone we like to focus on utilizing technology coupled with expertise to solve complicated problems such as this one.

Wildfire

                With advances in current wildfire modeling, insurance companies can have a more precise understanding of what is taking place on the ground currently, as well as what is likely to take place in the upcoming hours of the fire. Wildfire modeling accounts for the essential driving factors behind a wildfire so it can accurately depict where the fire is heading. You can read more about the aspects taken into account in RedZone’s Wildfire model here. By using a wildfire model, insurance companies can reduce the size of the geographic areas that are placed under a moratorium. Then the carriers will have an understanding of where the fire will be moving. This benefits both parties involved in many ways. If a home is not covered for wildfire, and a fire breaks out near the home it may spark an interest for the homeowner to obtain coverage on their home for fire. If the area that the home is located in is under a moratorium, the homeowner will not be able to purchase a policy for that type of coverage.

Canyon 2 Wildfire Model – first 24 hours without suppression

canyon2 final perimeter

Canyon 2 Fire Perimeter – shows the fire’s extent in the first 48 hours with suppression

Hurricane

                In the case of hurricanes, insurance carriers are even more precautious about writing new business when a storm of hurricane magnitude is approaching. The process of putting a moratorium in place for a storm begins when the National Weather Service declares a low pressure system to be of a tropical storm magnitude. You can learn more about hurricane formation and power at RedZone’s Blog on Hurricanes Harvey and Irma. Insurance companies immediately put a moratorium into effect for the projected zones that will be impacted by the incoming storm. These areas range from zip codes to counties and even expanding to encompass entire states that could possibly be impacted by the storm. A large portion of homes that are located in a moratorium of that size will likely not be affected by flooding or wind damage from the storm.

One of the ways that GIS (Geographic Information Systems) can help with this problem is with a Digital Elevation Model (DEM) Dataset. When loaded into a GIS this data will depict what the terrain on the ground will look like. These elevation layers coupled with flood plain data would give an accurate depiction of the level of threat to a structure. What has to be taken into account is that each storm is different. The flood data chosen must accurately match the expected rainfall from the storm in the general location. One solution is to utilize the most severe flood data available, so that the estimations are on the safer side. Another factor that needs to be considered is the damage that occurs from wind during one of these events. GIS is capable of running buffers based on the projected storm path. A buffer coinciding with the relative wind speeds that are capable of damaging homes would be a safe way of creating more accurate moratorium zones during a hurricane. 

NOAA track Oct8

NOAA Potential Track Map issued Thursday Oct 10th, 8pm eastern

Source(s):

http://wiseinsurancegroup.com/insurance-moratoriums-binding-prohibitions/

https://www.insurancejournal.com/news/west/2017/12/18/474612.htm

https://www.jebrown.net/content/169/brush-fire-moratorium

http://velocityrisk.com/commercial-insurance/moratorium-policy

https://www.propertycasualty360.com/2016/10/06/how-the-insurance-industry-prepares-for-hurricanes/?slreturn=20180326132445

nate thumbnail

Tropical Storm Nate Sets Sights On Gulf Coast

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Tropical Storm Nate Facts:

  • Location: Eastern coast of Honduras, 1,200 miles south of New Orleans
  • Max sustained wind: 40 mph
  • Movement: NNW at 10 mph
  • Storm Behavior: Strong low pressure, heavy wind sheer forecasted to diminish leaving this storm the ability to intensify once it’s over water.

Tropical Storm Nate Overview:

 Tropical Storm Nate is currently over the eastern coast of Honduras, dumping rain over Central America, with portions under a tropical storm warning or hurricane watch. Over the next few days the storm will move north towards the eastern edges of the Yucatan Peninsula and into the warm waters of the Gulf of Mexico. The troubling thing about this system is, as the storm moves north and into the Gulf, it is likely to intensify. Nate is currently displaying winds ranging from 39-73 mph, once this storm reaches the Gulf of Mexico it is forecasted to increase its wind speeds to 74-100 mph and become a category 1 hurricane.

According to the Weather Channel, portions of Central America could see up to 18 inches of rain through Friday as this system passes through. This amount of rainfall is already triggering flash floods, and mudslides throughout the area. These flooding events have already claimed 17 lives across Central America. As you can see in our map and the NHC map below, Nate is forecast to reach the northern Gulf Coast this weekend above tropical storm force. The NHC is warning of the threat of direct impacts from wind, storm surge, and heavy rainfall is increasing from Louisiana through the Florida Panhandle. Experts are expecting a hurricane watch and storm surge watch to be issued for coastal areas of the northern Gulf Coast as early as tonight or Friday morning. The path of the storm seems more certain than other storms this summer as the majority of hurricane models are in alignment on the direction and timing of the storm.

Additional Info:

NHC NOAA Tropical Storm Nate Page

Tropical Storm Nate Forecast Advisory

Tropical Storm Nate Forecast Discussion

Map:

NOAA track Oct8

NOAA Potential Track Map issued Thursday Oct 10th, 8pm eastern

Sources: NOAA, The Weather Channel, National Hurricane Center, National Weather Service

hurricane harvey spins in gulf

Hurricanes Harvey and Irma batter Southern US

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Hurricane Harvey (August 26-31st)

On August 17th,  the National Hurricane Center identified Tropical Storm (TS) Harvey just before it passed through the Lesser Antilles, the islands that form the eastern boundary of the Caribbean Sea with the Atlantic Ocean. Over the next two days TS Harvey moved swiftly to the west into the Caribbean under the influence of an expansive ridge of high pressure but the storm began to rapidly lose energy on the 19th of August and was subsequently downgraded to a tropical depression (TD). As TD Harvey moved from the northwestern Caribbean Sea into the Gulf of Mexico over the next four days it gained strength and was upgraded again to a Tropical Storm (TS). By the 24th of August TS Harvey had rapidly intensified in the Gulf of Mexico and was upgraded to a Category 3 Hurricane. Hurricane Harvey made landfall in the early morning of 26 August in Rockport, Texas as a Category 4 Hurricane with a reported 130 mph maximum sustained winds. Harvey’s center of circulation stalled over South Texas for four days dumping 40 and even 50 inches of rain in the Houston and Beaumont areas. The storm moved slowly east back into the Gulf of Mexico before making a final landfall near Cameron, Louisiana, on August 30th and finally dissipating to the north in the days following.

Harvey’s slow movement from 26-30 August resulted in catastrophic flooding in southeast Texas. Numerous flash flood emergencies were issued for the Houston and Beaumont metropolitan areas as well as Bastrop County and nearby communities. Wind gusts from Harvey exceeded 100 mph in many locations, leading to widespread destruction of homes and buildings. Thousands of homes were affected by Harvey, including over 9,000 that were completely destroyed and more than 185,000 that sustained damage according to the Texas Department of Public Safety. Close to 700 businesses were also reported as damaged. Throughout Texas, more than 300,000 people were left without electricity and as of September 6th, at least 70 deaths have been confirmed as a result of Hurricane Harvey.

Additional Info:

NHC NOAA Harvey Event History

Fox News Harvey Article

 

harvey gif

Hurricane Harvey hangs over coastal Texas from August 23rd to September 1st

Hurricane Irma (September 3-11th)

Hurricane Irma reached the United States Sunday Morning, making landfall in the Lower Florida Keys as a Category 4 Hurricane. A few hours later, Category 3, it made landfall a second time just south of Naples, FL on the Southeast coast of Florida. Due to the extreme size and major hurricane status, most of Southern Florida was warned to evacuate ahead of the storm late last week. Upon landfall, extreme winds battered both southern coasts as wind speeds were recorded at 142 mph in Naples and 99 mph in Miami Beach. Storm Surge from the large powerful storm was reported in many places near ten feet along both coasts affected. On Monday, Irma brought heavy rain and wind through the northern Florida city of Jacksonville where 350 people were rescued from the flooding. Irma also pummeled the Charleston area on Monday with over 8 inches of rain and a nearly 10-foot storm surge. The past 48 hours, evacuated Floridians are again dealing with bumper-to-bumper traffic heading home to face monumental cleanups throughout the state.

Wednesday the 13th, the storm has finally completely broken up, and the National Hurricane Center has stopped updating their reports on the storm. In the wake of the storm, President Donald Trump announced this afternoon that he is set to travel to Florida on Thursday. Moody’s estimates Irma caused $83 billion in damage and 77 deaths have been attributed to the storm. Florida utilities have made good progress in restoring power to communities, as 60% of power has been restored, but 4.6 million people are still without power. It could be months before power is restored to some of the islands that were devastated by the storm.

Florida Keys:

The Florida Keys were the hardest hit and today is the first day that the roads were cleared for people to return to their homes for most of the keys. All 42 bridges along US 1 have been inspected and cleared by the Florida Department of Transportation. 80% of the roads across the keys are cleared. Power is restored to 30% of residents, but over 300 major power lines remain downed. Unofficial estimates from FEMA, according to an ABC News report, state that 25% of homes in the keys were destroyed and 90% had damage of some kind. Big Pine Key and Cudjo Key were hit the hardest, as the storm was still a category 4 when it hit them. Few people have returned to those keys, and most utility services are still unavailable. Fuel remains an issue, especially in the areas without power. Most hospitals remain closed, but some with power or backup power have reopened their emergency rooms. Key West was initially thought to have suffered heavy damage, but once people started returning and assessing the damage, most structures were not impacted, just lots of debris and downed trees.

Additional Info:

NHC NOAA Irma Event History

ABC Irma Update

irma gif

Hurricane Irma moves into and through the Caribbean from Sep 3rd through the 11th

Sources:

National Hurricane Center, NOAA, NASA Worldview

http://www.chicagotribune.com/news/nationworld/ct-hurricane-harvey-flooding-houston-20170829-story.html
https://www.theguardian.com/us-news/2017/aug/26/texas-cities-catastrophic-flooding-hurricane-harvey
https://www.theguardian.com/us-news/2017/sep/01/hurricane-harvey-death-toll-rises-houston-residents-return
https://weather.com/storms/hurricane/news/tropical-storm-harvey-forecast-texas-louisiana-arkansas
http://www.nhc.noaa.gov/archive/2017/al09/al092017.update.08241656.shtml

2017 Hurricane Season

2017 Atlantic Hurricane Season Begins Today

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Hurricane Season Begins

June 1 marks the official start of the 2017 Atlantic Hurricane Season. Meteorologists at the National Oceanic and Atmospheric Administration (NOAA) are predicting that this year’s hurricane season, which runs from June 1st through November 30th, may be more active. The current forecast models suggest an above-normal hurricane season with the potential for as many as 17 named storms. Of these 17 named storms, 2 to 4 could possibly develop into major category 3 or larger hurricanes capable of producing winds well above 111 mph.

In comparison, a normal storm season typically produces 12 named storms of which an average of 3 of which build in intensity and become classified as major hurricanes. In the video below, Dr. Gerry Bell, the lead Seasonal Hurricane Forecaster at NOAA provides a more detailed look at the 2017 Atlantic Hurricane Season.

Although the hurricane outlook is cause for some concern, the increased number of storms does not necessarily correlate with an increased frequency of landfall. There are too many variables to accurately forecast the amount of landfalls the US will experience in a given year. A particular storm season may produce a large number of storms but have few, if any, landfalls. In contrast, Hurricane Andrew, which devastated South Florida in 1992, was birthed during a season that only recorded 6 named storms. This uncertainty necessitates that coastal residents be prepared regardless of outlook.

Hurricane Preparation

Proper disaster preparation saves lives and also helps recovery after an event impacts and area. Preparation should be done well in advance of hurricane season. There are many organizations and websites that provide valuable information regarding preparation for disasters: ready.gov, The National Weather Service, The National Hurricane Center and FEMA to name a few. The information provided by these websites generally recommends a version of the steps below.

  1. Determine your vulnerability

    When most people think about the dangers associated with hurricanes they think of the destruction caused by the high winds. In actuality, 9 out of 10 fatalities related to hurricanes are due to drowning. Just because your home isn’t on the coast doesn’t mean flooding isn’t a concern. Intense storms can cause flooding to extend hundreds of miles inland and also produce additional severe weather like tornadoes. Part of determining your vulnerability is to research whether you reside in a hurricane evacuation area.
    Maps of Evacuation Zones
    NOAA Coastal Services historical hurricane tracks tool

  1. Evacuation and communication planning

    If you reside in an area prone to hurricanes, it is important to heed evacuation notices and have a plan in place in case you need to retreat. The majority of evacuations are ordered because of the threat of storm surge. Storm surge is caused when water is pushed on shore by the high winds generated within a hurricane. Storm surge can devastate coastal communities and reach heights over 20 feet.

    If you are urged to evacuate, it is very important to have prepared ahead of time where to go and how to get there. If a severe storm approaches, emergency officials will provide updates on evacuation routes and shelters, but it is a smart idea to develop a household plan ahead of time. A household plan will insure that you are prepared in case you have to leave quickly and that the proper steps have been communicated to do so safely.

  2. Buy Supplies

    Arguably the most important step in creating a household evacuation plan is assembling the necessary supplies to get through the storm and its aftermath. These supplies should be gathered well in advance of storm season and packaged for quick retrieval, in an easily accessible area of the home. There are numerous resources online regarding preparation of a proper disaster supply kit, but the Federal Alliance for Safe Homes has compiled a pretty extensive list.
    Disaster Supply Checklist

  1. Check Insurance Coverage

    Homeowners and renters need to insure that they are properly covered in the event of severe weather impacting their homes and property. Standard home and renters insurance does not cover flooding, so it’s important to purchase any needed coverage well in advance of potential threats. Cars, boats and other personal property may also need additional coverage, and it is a best practice to contact your insurance company representative for more information on how to protect your property.

  2. Make copies of important documents

    It’s a good idea to make copies of important documents and include them in your disaster kit. Include in your kit any documents that can be used in the event that you need to prove ownership and/or insurance coverage of your home, vehicle, boat or other personal property that may have been damaged or moved from its current location due to high winds and flooding. The advent of cloud storage offers an additional way to back up and secure important documents and personal data. Placing electronic copies of important documents and other personal data like family photos, medical records or financial documents online, ensures that these items will be accessible once you are able to reconnect to the internet. There are numerous companies that provide low cost and even free cloud storage.

  3. Protect your home

    If a hurricane watch or warning has been issued for you home, it is possible to mitigate some of the potential damage. Covering windows and doors with plywood is a common site on homes in hurricane prone communities. This plywood can help protect against damaging winds and provide additional security for the home. Residents can also trim trees and secure potential wind-driven debris around their home.

Additional Resources and Blog Citations

Hurricane Preparedness Week

AccuWeather – 6 Ways to Prepare Now for Hurricanes

ready.gov

The National Weather Service

The National Hurricane Center

FEMA

GOES-R Environmental Satellite Launched

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On November 19, NASA celebrated the successful launch of its latest weather satellite, the revolutionary GOES-R (named GOES-16 once it is operational). This next generation Geostationary Operational Environmental Satellite (GOES) will deliver better weather forecasting, severe storm tracking, and space weather monitoring for Earth’s entire western hemisphere.

GOES-R Liftoff on November 19, 2016

GOES-R Liftoff on November 19

GOES-R_Spacecraft

GOES Mission Overview

Positioned roughly 22,000 miles above Earth’s surface, GOES satellites continuously monitor the Western hemisphere, including the United States, the Pacific and Atlantic oceans, Central and South America, and Southern Canada. GOES satellites fly in a geostationary orbit, meaning they rotate around the Earth at the same rate as the Earth spins, so their view of the Earth’s surface never changes. The coverage, along with the sensor suite, allows for constant, near real time coverage of Earth’s weather, climate, and large storm events. GOES also has sensors looking toward the sun and space, measuring solar and space weather.

Why the GOES-R Satellite is Significant

The most exciting update to GOES-R in relation to disaster intelligence is the updated Advanced Baseline Imager (ABI). The image above describes the improvements to the new sensor. Below are the benefits related to these improvements.

  • Improved hurricane track and intensity forecasts
  • Improved route planning for aviation
  • More advanced warning for severe storms
  • More advanced warning for air quality warnings and alerts
  • Better fire detection and intensity estimation
  • More and better quality data for long-term climate variability studies

This is only one of several next-generation advanced sensors onboard GOES-R. Other sensors will help researchers study tornado warnings, climate, and space and solar weather. It’s no wonder that people are excited about this momentous launch!

Source(s):

http://www.goes-r.gov/

https://www.nesdis.noaa.gov/content/6-reasons-why-noaa%E2%80%99s-goes-r-satellite-matters