2017 Atlantic Hurricane Season Outlook

With the official opening of 2017 Atlantic hurricane season fast approaching, researchers appear cautiously optimistic the relatively quiet streak will continue.

Today, Colorado State University’s Tropical Meteorology Project released the extended range forecast of 2017 Atlantic seasonal hurricane activity, predicting slightly below-average activity in the Atlantic basin, with a forecast of 11 named storms, four hurricanes, and two major hurricanes.

Philip Klotzbach, CSU

The probability of at least one major (Category 3+) hurricane making landfall on the entire U.S. coastline is 42%, compared to an average of 52% over the past century. The probability of such a storm hitting the East Coast, including peninsula Florida is 24%, compared to an average of 31%. Thus, CSU noted, the estimated probability of a major hurricane making landfall in the U.S. this season is approximately 80% of the long-period average.

Hurricane activity may not be as critical a determinant for how insurers and property-owners will fare, however. Aon Benfield’s Global Catastrophe Recap reports have consistently noted the rising toll of economic and insured losses due to severe weather events including severe thunderstorms, hailstorms, and flash flooding. In Texas alone, for example, Aon Benfield reports the state incurred record thunderstorm-related losses for the year, with insurers citing costs exceeding $8.0 billion.

Other recent studies support this trend. In the Willis Re and Columbia University report Managing Severe Thunderstorm Risk, researchers found the risk to U.S. property from thunderstorms is just as high as from hurricanes. Their review of Verisk Analytics loss statistics for 2003 to 2015 found the average annual loss from severe convective storms including tornadoes and hailstorms was $11.23 billion, compared to $11.28 billion from hurricanes. Considering the past decade alone, severe convective storms posed the largest annual aggregated risk peril to the insurance industry.

willis re severe convective storms

Recap of 2016 Weather Events

The 2016 hurricane season, which ends today, has been the deadliest since 2005 and the most active and costliest since 2012. In all there were 15 named storms and seven hurricanes, three of them major hurricanes. Hurricane Matthew, a Category 5, was responsible for more than 1,600 deaths and insured loss estimates of about $7 billion.

Other major storms that hit the United States in 2016 include Winter Storm Jonas, Louisiana flooding, hailstorms, tornadoes and hurricanes. For a recap of 2016 storms check out Interstate’s year-in-review infographic:
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Anticipating Hurricane Matthew, 4 States Declare Emergency

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Rebounding to Category 4 hurricane classification, Matthew now has winds up to 140 miles per hour and has caused at least 28 deaths in three Caribbean countries. It is heading for the southeastern U.S., where four states—Florida, Georgia, South Carolina and North Carolina—have issued a state of emergency and evacuation orders in coastal regions.

Matthew was a Category 4 hurricane through Tuesday, was downgraded to a Category 3 early on Wednesday, and has now returned to Category 4 strength today, according to the U.S. National Hurricane Center (NHC).

Florida Gov. Rick Scott issued a warning on Thursday urging those in evacuation zones to leave immediately. “Based on the current forecast, the heights of storm surge will be above ground. Waves will be crashing on roofs. Homes will be destroyed,” he tweeted in both English and Spanish on Thursday morning.

“Time is up, Hurricane Matthew is approaching Florida. If you are in an evacuation zone, leave now,” he said in a statement. “To everyone on Florida’s east coast, if you are reluctant to evacuate, just think of all the people the hurricane has already killed.  You and your family could be among these numbers if you don’t take this seriously.”

Scott said that so far more than 4,000 National Guard members have been activated to help with evacuations and sheltering. He tweeted that as of 6:00 a.m., more than 3,000 people were in about 60 shelters. The state offers a mobile app to help those in flood-prone areas find the nearest shelter and also avoid traffic congestion.

A state of emergency has been declared by Georgia’s governor for 13 coastal counties. South Carolina’s governor declared a state of emergency and has begun coastal evacuations that may affect up to 1 million people. Because of heavy traffic, lane reversals on some highways are in effect, and schools and government offices in 25 South Carolina counties are closed today. North Carolina’s governor has declared a state of emergency for more than 50 counties and issued a mandatory evacuation order for Ocracoke Island, AIR Worldwide reported.

The Federal Emergency Management Agency (FEMA) has sent personnel and supplies to all four states, and President Obama is meeting with FEMA officials coordinating the response to Hurricane Matthew at the agency’s headquarters in Washington, D.C.

According to CoreLogic, a Category 3 storm hitting Miami could potentially damage 176,000 homes at a reconstruction cost value (RCV) of about $3.8 billion.

CoreLogic’s Storm Surge Risk Report estimates that more than 6.8 million homes located along the Gulf and Atlantic coasts are at risk of storm surge damage, with a total RCV of about $1.5 trillion.The length of coastline, coastal elevation and density of residential development all contribute to the risk of storm surge flooding.
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According to CoreLogic, the total number and total value of residential properties for the four states currently bracing for Hurricane Matthew are:

Total Number and Total Value of Residential Properties by State

New Year, New Natural Disaster Emergency Plans

Along with January renewals and analyzing whether existing policies offer sufficient coverage, the new year is a perfect reminder to review company-wide emergency plans. While 2013 may have been a relatively light year for catastrophe losses, there’s no reason to assume 2014 will be, too.

Check out this infographic from Boston University’s Masters in Specialty Management program for a jump-start on identifying the risks of natural disaster and updating plans for how to handle any emergency:

Survive a Natural Disaster