Saturday, April 28, 2012

April 28th Severe Weather Outlook

severe

Severe Parameters
500 to about 3500 depending where you are..
EHI is essentially below 1 in all locations
Lift Index 0 to about - 8
Mid Level Lapse Rates 6.0 to 7.0
Across N KY around 300 this would indicate tornadic possibility but with EHI low thinking would be isolated..
Shear is not an issue with 30 + knots
At the surface..
Low pressure over NW Missouri will be moving towards the southeast. Trailing to the southwest is a cold front moisture starved on the southern end thru TX due to mentioned reasons above and to the east of this low is a warm front.. Southern part of this front will become stationary and it is the warm front off to the east that will bring about the chances for severe weather along with rainfall across the highlighted zone...

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