THE NWS STORM PREDICTION CENTER HAS ISSUED A SEVERE THUNDERSTORM WATCH UNTIL 10:00PM CDT
Sel2
spc Ww 022031
Urgent - Immediate Broadcast Requested
Severe Thunderstorm Watch Number 642
Nws Storm Prediction Center Norman OK
330 PM CDT Thu Sep 2 2010
The Nws Storm Prediction Center Has Issued A
Severe Thunderstorm Watch For Portions Of
Large Part Of Southeast Kansas
Large Part Of Northern And Western Oklahoma
Parts Of Northwest Texas
Effective This Thursday Afternoon And Evening From 330 PM Until
1000 PM CDT.
Hail To 2 Inches In Diameter...Thunderstorm Wind Gusts To 70
Mph...And Dangerous Lightning Are Possible In These Areas.
The Severe Thunderstorm Watch Area Is Approximately Along And 80
Statute Miles North And South Of A Line From 30 Miles South
Southwest Of Childress Texas To 45 Miles East Northeast Of
Chanute Kansas. For A Complete Depiction Of The Watch See The
Associated Watch Outline Update (wous64 Kwns Wou2).
Remember...A Severe Thunderstorm Watch Means Conditions Are
Favorable For Severe Thunderstorms In And Close To The Watch
Area. Persons In These Areas Should Be On The Lookout For
Threatening Weather Conditions And Listen For Later Statements
And Possible Warnings. Severe Thunderstorms Can And Occasionally
Do Produce Tornadoes.
Discussion...Strong Cold Front Will Initiate Thunderstorms As It
Encounters An Increasingly Unstable And Weakly Capped Air Mass.
With Dcapes To 1500 J/Kg And Mlcapes Aoa 2000 J/Kg...Damaging Winds
Will Become Increasing Threat As Storms Develop Along And Front As
It Continues Swd Thru The Watch.
Aviation...A Few Severe Thunderstorms With Hail Surface And Aloft
To 2 Inches. Extreme Turbulence And Surface Wind Gusts To 60
Knots. A Few Cumulonimbi With Maximum Tops To 550. Mean Storm
Motion Vector 30020.
...Hales
