As the climate changes, we are seeing more extreme weather events with billion-dollar price tags and 2018 is no exception.

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As the climate changes, we are seeing more extreme weather events with billion-dollar price tags and 2018 is no exception. 

 
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The four years with the most billion-dollar disasters have all happened since 2011 https://buff.ly/2UfFpcd #climatematters

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These states have suffered the most billion-dollar weather and climate disasters since 1980 https://buff.ly/2Udb91E #climatematters 

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Floodwaters surged through Boston streets during a March Nor’easter. Nearly 19,000 structures were destroyed in the Camp Fire, which became California’s largest-ever wildfire just months after the previous record blaze. Hurricanes Florence and Michael flooded farms and flattened homes. It has been another year of devastating extreme weather events, and the number of these costly events is only rising with climate change.

NOAA NCEI reported 11 weather and climate disasters with over $1 billion in damages through September (they report quarterly). When the final 2018 numbers are released in January, Hurricane Michael will be added as the 12th and other events could exceed the billion-dollar threshold. November’s individual wildfires will not count separately; according to NOAA lead analyst Adam Smith, “our analysis treats U.S. billion-dollar wildfire and drought events as regional-scale, seasonal events, not as multiple isolated events. Therefore, this year's Western wildfire analysis will again be treated as one event." However, the cost of each fire will certainly be counted. Last year’s wildfires tripled the previous cost record, and this year’s total could eclipse the new record of $18 billion.

Billion-dollar disasters are happening across the country, and climate change is often linked. By creating hot and dry conditions in the West, human-caused climate change has doubled the cumulative forest fire area burned since 1984. Warmer oceans are fueling the rapid intensification of hurricanes, while a warmer and wetter atmosphere intensifies their rainfall. (Note: next week’s Climate Matters will have more on this year’s rainfall extremes). A warmer atmosphere could also strengthen severe thunderstorms in the Plains and Midwest, although connections between wind shear and climate change are still being researched.

These weather and climate disasters are becoming more frequent and more costly. According to NOAA’s 2017 report, the seven years with the most billion-dollar disasters have all come in the last decade. Of the total inflation-adjusted costs since 1980, over 25 percent have come since 2015, including the record $312.7 billion in 2017.

Costs can be reduced with climate adaptation measures, such as restoring coastal marshes, increasing the flood-preparedness of homes, and treating stressed vegetation in wildfire-prone areas. But according to the recent National Climate Assessment, climate change is still outpacing our planning. To minimize our risks, we must reduce our carbon emissions as quickly as possible.

EXTREME WEATHER TOOLKITS

For more information on how climate change relates to extreme weather, click here. Topics include: coastal flooding, drought, extreme heat, heavy rain & flooding, severe weather, snow & ice, tropical weather, and wildfires.

METHODOLOGY

Data comes from NOAA NCEI: U.S. Billion-Dollar Weather and Climate Disasters (1980 through October 9, 2018). The cost has been adjusted for inflation using the Consumer Price Index (CPI). The methodology developed by NOAA NCEI, with input from economic experts and consultants to remove biases, can be found at https://www.ncdc.noaa.gov/billions/overview. Additional review of the methodology can be found in Smith and Katz, 2013.

 
 
 

Supporting Multimedia

 
2017 Review Billion-Dollar Disasters

2017 Review: Billion-Dollar Disasters

 
resources for NCA

Resources for the National Climate Assessment

 

See more high resolution graphics and videos at our NEW searchable media library.

 
 
 

Climate Matters Mets In Action

 
melissa nord

Melissa Nord — Washington, D.C. (WUSA/CBS)

 
 
eric sorensen

Eric Sorensen — Quad Cities (WQAD/ABC)

 
 
 

EVENT OF INTEREST: GLOBAL FORUM ON HEAT AND HEALTH

The first Global Forum on Heat and Health will be held in Hong Kong on December 17-20. It seeks to promote the integrated use of climate, weather, and health information.

Sign up for the live stream at: https://goo.gl/forms/f46BkpU29REcMP562  

 
 
 

NOAA

Watch how scientists and farmers in Idaho are working together to cope with climate change.

 
 

NASA

With the recent National Climate Assessment calling for climate solutions, see how NASA is involved.

 
 

CLIMATE RESEARCH

This year's global CO2 emissions are projected to rise again, highlighting the need for urgent action (from the Global Carbon Project released at 1:00pm ET on Wednesday). 

 
 

OCEAN NEWS

Pitch perfect: scientists discover that baleen whales change the pitch of their songs in response to environmental changes, like breaking sea ice in the Southern Ocean.

 
 
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