Thursday, August 2, 2012

August 3rd Severe Weather Outlook

usa62

If you were in the east and you did not realize the heat starting to return into the region yesterday you will begin to feel it today. If you are in the central part of the USA then you are going to continue to experience the heat and the humidity.. Temperatures are going to be in the 80s and 90s ...http://www.twisterdata.com/data/models/nam/221/maps/2012/08/03/00/NAM_221_2012080300_F18_TMPF_2_M_ABOVE_GROUND.png ..Dew Points will be in the 60 to 70 degree range .. http://www.twisterdata.com/data/models/nam/221/maps/2012/08/03/00/NAM_221_2012080300_F24_DPTF_2_M_ABOVE_GROUND.png .. Convective Available Potential Energy is going to be between 500-3000 depending on where you are.. http://www.twisterdata.com/data/models/nam/221/maps/2012/08/03/00/NAM_221_2012080300_F24_CAPE_SURFACE.png ... Lift Index will be from 0 to negative 7 depending on where you are located..http://www.twisterdata.com/data/models/nam/221/maps/2012/08/03/00/NAM_221_2012080300_F24_PLI_30_0_MB_ABOVE_GROUND.png ... SHEAR will be anywhere between 30-50 knots ... http://www.twisterdata.com/data/models/nam/221/maps/2012/08/03/00/NAM_221_2012080300_F24_SHRM_500_MB.png ...EHI is at one or above across portions of the Midwest as well as portions of KY and TN... http://www.twisterdata.com/data/models/nam/221/maps/2012/08/03/00/NAM_221_2012080300_F24_EHI_3000_M.png ... Helicity is highest in the Midwest.. http://www.twisterdata.com/data/models/nam/221/maps/2012/08/03/00/NAM_221_2012080300_F24_HLCY_3000_M_ABOVE_GROUND_0_M_ABOVE_GROUND.png ..With the greater Helicity and the EHI across the Midwest in that region we would place a tornado chance at 2% .. http://www.hpc.ncep.noaa.gov/basicwx/92fwbgus.gif ..At the surface it will be a stationary front that is across the SE into the KY/TN area and another front across the lakes region that is moving into the NE. This is the reason for including the NE in a severe potential but in that area it would be more isolated.. and there will be another frontal system emerging out of the Rocky Mountain regions.

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