24 hour hi-res multi-model updraft helicity probability of > 25 m2/s2
uses 7 members: NSSL WRF-ARW, HRW WRF-ARW, HRW WRF-ARW -12h, EMC WRF-NMM, HRW WRF-NMM, HRW WRF-NMM -12h & NAM CONUS NEST
more details | Valid Wed 8/16 Updates about 3 a.m. daily.