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We continually expand the reach of actionable Earth system sciences
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Wildfire Decision Support

Advanced weather-fire modeling helps forecast how wildfires will spread and evolve, providing actionable guidance that supports faster, more informed decisions before and during rapidly changing fire events.

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Featured Products + Tools










HurricaneRiskCalculator®



Localizing and personalizing hurricane wind risks to inform decisions about hurricane preparations.











Tropical Cyclone Guidance Project



Real-time data and visualizations to support forecasters and researchers.











RAL's Realtime Weather Data



View realtime satellite, surface, forecast, radar, and upper-air data.








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Featured News








May 20, 2026

Introducing FastEddy® 5.0



The latest software’s speed and efficiency allow for broader application of large-eddy simulations.













Apr 7, 2026

WRF-Hydro Application for National Water Availability Assessment (NWAA)







Dec 10, 2025

RAL Welcomes New Program Directors to Lead Key Research Areas







Mar 26, 2025

Coming Soon … MPAS-Hydro!
























RAL Recent Publications









Apr 1, 2026

Kilometer-scale simulation of atmospheric in-cloud ground icing over complex terrain in Norwegian Arctic






Mar 15, 2026

Extreme ambient heat and outcomes of assisted reproduction in the continental United States, 1996 to 2018






Feb 1, 2026

High-resolution ensemble precipitation and temperature datasets for CONUS based on a probabilistic geospatial estimation approach






Feb 1, 2026

Simulated Hydrologic Impacts of Cloud Seeding in the North Platte and Little Snake River Basins of Wyoming












Featured R&D







Airport Runway Weather


Advanced weather modeling and prediction for airport runways








Convective Wind Shear


Wind Shear Detection and Alerting








Renewable Energy


Advanced Technologies for Renewable Energy Prediction






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This material is based upon work supported by the NSF National Center for Atmospheric Research, a major facility sponsored by the U.S. National Science Foundation and managed by the University Corporation for Atmospheric Research. Any opinions, findings and conclusions or recommendations expressed in this material do not necessarily reflect the views of the U.S. National Science Foundation.







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