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NOAA and Communities to Map Heat Inequities in 14 U.S. Cities and Counties

Cities from past campaigns have used their heat island maps to develop heat action plans, add cooling stations to bus shelters, and educate residents.

Extreme heat kills more Americans than any other weather event, but not everyone’s risk is the same. This summer, NOAA and community scientists will map the hottest parts of 14 U.S. cities and counties and, for the first time, two international cities.

“Extreme heat kills more Americans than any other weather event and has the greatest impact on our nation’s most vulnerable communities,” said Deputy Secretary of Commerce Don Graves. “Fortunately, our talented and dedicated researchers and scientists at NOAA are working directly with communities across the country to help them take action to manage extreme heat. As climate change worsens heat waves, this critical information will help bring local and equitable solutions for those facing the greatest threats.”

“Our nation faces a climate crisis that has exacerbated inequities for low-income communities and communities of color,” said NOAA Administrator Rick Spinrad, Ph.D. “NOAA is helping communities measure their hottest places so that they can use this information to inform strategies to reduce the unhealthy and deadly effects of extreme heat and help us build a Climate Ready Nation.”

The NOAA Climate Program Office will work with the interagency National Integrated Heat Health Information System (NIHHIS) and CAPA Strategies, LLCoffsite link to launch new community-led heat mapping campaigns this summer. Local teams will map what are called urban heat islands, areas that can be up to 20 degrees hotter than nearby neighborhoods.

The U.S. communities chosen for the program include Boulder, Colorado; Clark County, Nevada, which includes Las Vegas; Columbia, South Carolina; Columbus, Ohio; Jacksonville, Florida; Knoxville and Nashville, Tennessee; Milwaukee, Wisconsin; Montgomery County, Maryland; Omaha, Nebraska; Spokane, Washington; Philadelphia; Brooklyn, New York and San Francisco. In addition, NOAA is working with local groups in Africa and Brazil on international campaigns in Freetown, Sierra Leone and Rio de Janeiro, Brazil.

NOAA and Communities to Map Heat Inequities in 14 U.S. Cities and Counties Homeland Security Today
NOAA and partners have conducted heat island mapping campaigns in 69 communities from 2017 to 2022. (Climate.gov)
NOAA and Communities to Map Heat Inequities in 14 U.S. Cities and Counties Homeland Security Today
This map shows the 14 U.S. and two international communities that will take to the streets in 2022 as part of a NOAA-supported campaign to map heat islands in their communities. (Climate.gov)

Local heat maps for location solutions

Over the past five years, NOAA has funded CAPA Strategies, LLC to provide science support for 35 community-led campaigns to map urban heat islands. Using heat sensors mounted on their own cars or bikes, volunteer citizen scientists, led by a team of local partners in each city, will traverse their neighborhoods in the morning, afternoon and evening on one of the hottest days of the year. The sensors record temperature, humidity, time and the volunteers’ location every second.

CAPA’s end-to-end program, including sensor technology, analysis and modeling, and community engagement, allows communities to develop hyper-local descriptions of heat and strategize mitigation options specific to each region of the country. During the 2021 urban heat island campaign, 799 citizen scientists took 1.2 million measurements in 24 communities.

The 2022 heat mapping campaign will also feature new, NOAA-funded instruments to better characterize urban climate and health hazards. Columbus, Ohio, and Philadelphia will use mobile air quality monitors to develop an understanding of the related impacts of heat and air quality. Clark County, Nevada, and Columbia, South Carolina, will install stationary temperature and humidity sensors to provide more information for decision-making through monitoring the urban heat island effect over the length of the summer.

Cities from past campaigns have used their heat island maps to develop heat action plans, add cooling stations to bus shelters, educate residents and policymakers and inform new research. Last year, NIHHIS funded five new applied research projects in cities across the country to help develop tools for equitable heat intervention, investigate heat in rural areas and smaller cities and investigate the effect of coastlines on urban heat patterns.

NOAA’s mapping program is part of the Biden Administration’s Justice40 initiative, a whole-of-government effort to ensure that federal agencies work with states and local communities to make good on President Biden’s promise to deliver 40% of benefits from federal investment in climate and clean energy to disadvantaged communities. When evaluating applications for the 2022 heat island mapping campaigns, the NIHHIS team gave significant weight to applications emphasizing environmental justice. Communities involved in the 2022 program will assist with tracking and reporting the allocation of benefits to ensure adequate inclusion of environmental justice communities, and these outcomes will be shared with the White House.

To keep up with the summer 2022 campaigns, subscribe to the Heat Beat Newsletteroffsite link, check out the NIHHIS website, or follow #UrbanHeatMaps2022 on social media.

Read more at NOAA

Homeland Security Todayhttp://www.hstoday.us
The Government Technology & Services Coalition's Homeland Security Today (HSToday) is the premier news and information resource for the homeland security community, dedicated to elevating the discussions and insights that can support a safe and secure nation. A non-profit magazine and media platform, HSToday provides readers with the whole story, placing facts and comments in context to inform debate and drive realistic solutions to some of the nation’s most vexing security challenges.

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