Thursday, May 24, 2012

May 24th Severe Weather Outlook

severe

Temperatures are in the 50s to 80s depending on where you are located...http://www.twisterdata.com/data/models/nam/221/maps/2012/05/24/00/NAM_221_2012052400_F24_TMPF_2_M_ABOVE_GROUND.png...DEWPOINTS.. are in the 50s to 60s depending on where you are located: http://www.twisterdata.com/data/models/nam/221/maps/2012/05/24/00/NAM_221_2012052400_F24_DPTF_2_M_ABOVE_GROUND.png...CAPE or INSTABILITY 500-3500 depending where you are located..http://www.twisterdata.com/data/models/nam/221/maps/2012/05/24/00/NAM_221_2012052400_F24_CAPE_SURFACE.png ...EHI is above 1 into parts of Wisconsin..http://www.twisterdata.com/data/models/nam/221/maps/2012/05/24/00/NAM_221_2012052400_F24_EHI_1000_M.png ...LIFT INDEX is 0 to about -8 ..http://www.twisterdata.com/data/models/nam/221/maps/2012/05/24/00/NAM_221_2012052400_F24_PLI_30_0_MB_ABOVE_GROUND.png... HELICITY is about 200-250 ..http://www.twisterdata.com/data/models/nam/221/maps/2012/05/24/00/NAM_221_2012052400_F24_HLCY_1000_M_ABOVE_GROUND_0_M_ABOVE_GROUND.png ...SHEAR is the most impressive with up to 80 knots of shear in some parts of the region..http://www.twisterdata.com/data/models/nam/221/maps/2012/05/24/00/NAM_221_2012052400_F24_SHRM_500_MB.png ...At the surface..http://www.hpc.ncep.noaa.gov/basicwx/91fwbgus.gif ..a cold front will be slowly lifting eastwards ..also a piece of energy will be lifting NE thru Iowa and towards southern Canada. ..With the EHI above 1 super cells are possible and also with the Helicity around 200-250 in the same location as the EHI we are going to put a 5% tornado chance into the Wisconsin area.. Other wise the main threats will be winds and large hail along with heavy rain!

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