Data: HRRR, NOAA (resolution 3 km)
Updated: 20:00 UTC (next update: 21:00 UTC - prepare)
Current time: 21:00, 2025/04/03 (UTC)
SRH (Storm Relative Helicity) is a measure of the potential for cyclonic updraft rotation in right-moving supercells, and is calculated for the 3-km layers above ground level. Larger values (greater than 250 m2/s2) suggest an increased threat of tornadoes with supercells.