Severe Weather Threat Day 3 Tue Mar 5

Tn Valley To Sern U.S...

Exit Region Of Strong Mid Level Speed Max Is Expected To Spread
Across The Tn Valley Into The Carolinas By 06/12z.

Very Cold Mid Level Temperatures And Steepening Lapse Rates Will Enhance Convective Potential North Of The Main Jet Axis Ahead Of Progressive Cold Front.

Scattered Thunderstorms May Be Ongoing At The Beginning Of The Period From Portions Of Swrn Ky Into Nrn Ms And Strong Forcing Should Encourage Weak Convection To Spread/Develop Downstream During The Day.

Forecast Soundings Suggest Mucape On The Order Of 200 J/Kg Should Support Scattered Elevated Tstms With Back Edge Of Deep Convection Expected To Move Off The Carolina Coast After 06/06z.

Pacific Nw Coast...

Another Strong Upper Trough Will Approach The Wa/Ore/Nrn Ca Coast Late In The Period.

Cooling Profiles And Favorable Onshore Flow Suggest Shallow Convection Will Generate Over The More Buoyant Marine Layer Before Spreading Inland.

Although An Isolated Lightning Strike Can Not Be Ruled Out Tstm Probabilities Should Remain Below 10 Percent Over Land.

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