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Thursday, March 28, 2024

NOAA and Communities to Map Heat Inequities in 11 States

Extreme heat kills more Americans than any other weather event, but not everyone’s risk is the same. Within the same city, some neighborhoods can be up to 20°F hotter than others and, due largely to the practice of historic redlining — discriminatory, race-based lending and housing policies in the 1930s — these hot spots are often home to poorer communities of color.

To learn where action is needed to protect vulnerable populations now and in the future, NOAA’s National Integrated Heat Health Information System (NIHHIS) and partners are launching new community-led campaigns that will map the hottest parts of cities in 11 states across the country this summer. The communities include Albuquerque, New Mexico; Atlanta; New York City; Charleston, South Carolina; Kansas City, Missouri; Raleigh & Durham, North Carolina; San Diego; San Francisco; and parts of New Jersey, Indiana, Massachusetts, and Virginia.

“Our Nation faces a growing climate crisis that has exacerbated inequities, particularly for the low-income and communities of color,” said U.S. Secretary of Commerce Gina M. Raimondo. “The Biden-Harris Administration is ready to take swift action to tackle climate change, and we at the Department of Commerce are so pleased to be partnering with communities around the country toward equitable climate resilience by working with them to design safer, more livable, and healthier cities.”

The mapping campaigns are part of a collaborative project with CAPA Strategies, LLCoffsite link and local partners that has empowered many other U.S. communities to map heat in their cities over the past four years. This summer’s new campaigns will cover neighborhoods on both coasts and across America’s heartland.

Local maps for local solutions

Using heat sensors mounted on their own cars or bikes, community volunteers, led by a team of local partners in each city, will traverse their neighborhoods morning, afternoon, and evening on one of the hottest days of the year. The sensors will record temperature, humidity, time, and the volunteers’ location every second. NOAA’s National Weather Service will provide forecasts to help the communities plan their campaigns.

By working with communities, the campaigns will raise awareness among volunteers and residents about heat risk, incorporate local perspectives to produce heat maps, and engage communities in pursuing solutions.

Cities from past campaigns have used the heat maps to inform heat-mitigation decisions, educate residents and policymakers, and direct research on effective solutions. The city of Houston, Texas incorporated the mapping results into its Climate Action Plan. The city of Richmond, Virginia used data from the heat island campaign to turn city-owned land into new community green spaces.

“Communities are taking action to manage dangerous extreme heat that’s impacting their families and neighbors,” said Hunter Jones, Climate and Health Project Manager with NOAA’s Climate Program Office. “As climate change brings worsening heat waves, the information from these campaigns will help bring local and equitable solutions to those facing the greatest threat.”

Addressing an unequal heat risk

On top of climate change, cityscapes worsen extreme heat’s heavy toll. Known as the “urban heat island effect,” paved, dark surfaces, like roads and buildings, absorb and radiate more heat than natural landscapes with trees and grass, driving up local temperatures.

According to a recent nationwide studyoffsite link spurred by past NOAA and partner heat island campaign efforts, neighborhoods subjected to historical redlining typically lack green space and suffer most from urban heat islands. The study found that 94% of formerly redlined areas, which remain mostly lower income communities of color, are exposed to higher temperatures than non-redlined, affluent areas.

“The mapping campaigns provide a roadmap to help communities alleviate these disparities by identifying specific locations where heat-mitigating interventions could save livesoffsite link,” said Vivek Shandas, study co-author and Portland State University Climate Adaptation Professor.

To keep up with the summer 2021 campaigns, subscribe to the Heat Beat Newsletteroffsite link, check out the National Integrated Heat Health Information System website or follow #UrbanHeatMaps2021 on social media.

Go online for more information on health resources for extreme heat.

Read more at NOAA

NOAA and Communities to Map Heat Inequities in 11 States Homeland Security Today
Homeland Security Today
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.
Homeland Security Today
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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