Thursday, August 1, 2013

August 1st Severe Weather Potential

A stationary front draped across the central part of the USA and a series or waves of low pressure will be riding across this front and this front should serve as the potential for severe weather ..

The above is based off the SREF severe probability outline and the parameters are based off of the 00z NAM ...

Temperatures across the area are going to be warm to hot ..
With temperatures in the 80s and 90s across majority of the severe zone..
Dew points will be anywhere from the 50s to the 60s.. across the region ..
Shear will be sufficient for severe weather with the shear from 40 to as much as 60 knots depending on where you are located...
Convective Available Potential energy will be anywhere from 1000 to 4000 depending on where you are located..
Lift in the atmosphere will be in place from anywhere from 0 to -8 or so depending on where you are located..
SWEAT index is highest across Nebraska and Kansas where it reaches as high as 500. This indicates that Tornado's could be possible across the region.
Finally EHI is highest across Nebraska which is in line with the highest SWEAT area so we think that Nebraska and Kansas have the potential to see a tornado or two across that region...
If you are outside of those regions the main threats will be Winds and Hail ...

Across the Northeast there will be showers and thunderstorms but they will be of the Non Severe Variety and the weather will continue with low humidity and average to below average temperatures..

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