MRMS QPE (Multi-Radar Multi-Sensor Quantitative Precipitation Estimate)

CONUS-wide 1-km, 2-minute quantitative precipitation estimate fusing NEXRAD radar, surface gauges, and satellite. The operational truth source for flash-flood guidance and QPE-driven advisories.

Provider	NOAA NSSL / NWS
Delivery mode	stream
CNR score	80
Cadence	PT2M
Origin	https://www.nssl.noaa.gov/projects/mrms/