NEXRAD Level 2 Radar (WSR-88D Network)

Level-2 radar moments (reflectivity, velocity, spectrum width, dual-pol) from the WSR-88D NEXRAD network of 160+ S-band radars covering CONUS, Alaska, Hawaii, Guam, Puerto Rico. The gold-standard ground-truth source for severe weather and flash flood validation.

Provider	NOAA / NWS / FAA
Delivery mode	hybrid
CNR score	82
Cadence	PT5M
Origin	https://registry.opendata.aws/noaa-nexrad/