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Posts Tagged ‘storm surge’

2018 CoreLogic Storm Surge Report Predicts Risk for Coastal Areas

Thursday, May 31st, 2018

The 2018 CoreLogic Storm Surge Report was released Thursday by CoreLogic, a global property information, analytics and data-enabled solutions provider.

“While industry predictions for this year’s storm season indicate average activity levels, associated storm surge risk remains an important consideration for residential and commercial properties in the 19 states analyzed,” said Dr. Tom Jeffery, senior hazard scientist at CoreLogic. “Depending on the location of a storm’s landfall and that area’s population density and reconstruction costs, lower Category storms can cause just as much damage as storms in higher categories.”

As the U.S. enters hurricane season, the report shows that more than 6.9 million homes along the Atlantic and Gulf Coasts are at potential risk of damage from hurricane storm surge surge with a total reconstruction cost value (RCV) of more than $1.6 trillion (Table 1).

Already according to predictions of the National Oceanic and Atmospheric Administration (NOAA), the 2018 hurricane season is expected to have near- to above-normal activity. NOAA predicts a 70 percent chance of 10 to 16 named storms. While not all of them will develop into hurricanes, NOAA predicts five to nine of these will develop into hurricanes, and one to four are predicted to reach Category 3 classification or higher.

According to the report, risk from hurricane-driven storm surge for homes along the Atlantic and Gulf coastlines across 19 states, as well as for 86 metro areas is analyzed in the risk CoreLogic analysis. Homes are categorized by five risk levels: Low (homes affected only by a Category 5 storm), Moderate (homes affected by Category 4 and 5 storms), High (homes affected by Category 3, 4 and 5 storms), Very High (homes affected by Category 2, 3, 4 and 5 storms) and Extreme (homes affected by Category 1-5 storms). RCV figures represent the cost to completely rebuild a property in case of damage – including labor and materials by geographic location – assuming the worst-case scenario at 100-percent destruction.

Regionally, the Atlantic Coast has more than 3.9 million homes at risk of storm surge with an RCV of more than $1 trillion (Table 2), an increase of around $30 billion compared to 2017. The Gulf Coast has more than 3 million homes at risk with over $609 billion in potential exposure to total destruction damage, with over $16 billion increase compared to 2017. Areas with less coastal exposure but with lower elevations that extend inland tend to have more total homes at risk because the surge water can travel farther inland. Additionally, due to market conditions and previous storm surge damage, construction costs can increase despite having a lower number of at-risk homes compared to other states or Core-Based Statistical Areas (CBSAs).
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CoreLogic Storm Surge Report 2013 released

Wednesday, June 5th, 2013

CoreLogic senior hazard scientist, Dr. Thomas Jeffery, the primary author of this year’s CoreLogic Storm Surge Report, answered some questions about their research.


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Forecasting residential property damage data from Hurricane Sandy

Sunday, October 28th, 2012

Among the predictions made for Hurricane Sandy, CoreLogic released data showing potential exposure to residential property damage from hurricane-driven storm-surge flooding as Hurricane Sandy makes its way toward the U.S. Atlantic Coast.

“Based on current forecasts, Sandy is likely to make landfall along the northeastern Atlantic coast early Monday,” said Dr. Howard Botts, vice president and director of database development for CoreLogic Spatial Solutions. “Though it is still early and the projected path is constantly changing, Sandy could pose an enormous threat to major metropolitan areas in the Northeast, like New York City and Long Island, Atlantic City and Baltimore.”

The data shows more than 261,000 total residential properties valued at over $80 billion at risk for potential storm-surge damage among the coastal Mid-Atlantic states, assuming the storm hits the coast as a Category 1 hurricane. Within that region, more than 210,000 total properties valued at over $67 billion stand at risk in five major metro areas from Virginia to New York.

For the Google Earth plug-in go here:

http://cl.cvic.com/sandy/sandy-embed.html

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Esri Hurricane Isaac map available

Monday, August 27th, 2012

Esri’s Hurricane tracking map offers continuously updated hurricane information that shows the projected paths, storm surge, weather warnings, and precipitation.

Esri Public Information Map Tracking Hurricane Isaac

Penn State



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