Where our data comes from

Every dataset this publication draws on, who publishes it, and the licence it is used under.

DatasetLicenceUpdated
Active watches, warnings and advisories
NOAA / National Weather Service		US Government work — public domain (17 U.S.C. §105)live
Point forecast
NOAA / National Weather Service		US Government work — public domain (17 U.S.C. §105)live
Federal disaster declarations
FEMA (OpenFEMA)		US Government work — public domaindaily
Airport ground stops and delay programmes
FAA		US Government work — public domainlive
Public school directory
US Dept of Education, NCES Common Core of Data (via Urban Institute Education Data API)		US Government work — public domain; API provided by the Urban Instituteperiodic
Federally funded health centre sites
HRSA — Health Resources & Services Administration		US Government work — public domain; HRSA states no usage limitationsperiodic
Air quality index by reporting area
US EPA / AirNow (state and local monitoring agencies)		US Government work — public domain; readings supplied by state/local agencieslive
Census place centroids and identifiers
US Census Bureau (2025 Gazetteer)		US Government work — public domainperiodic

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