US Short Range Weather to Apr 12

...A Dynamic Storm System Evolving Over The Central U.S. Will
Impact Much Of The Nation With A Variety Of Hazards...

An Anomalously Cold Airmass Surging South And East Across The
Central Plains Is Setting The Stage For Heavy Snow And Mixed
Precipitation In The Region. Deep Moisture From The Gulf Of Mexico
In Place Ahead Of The Cold Front Is Being Drawn Over The Colder
Surface Temperatures By Strong Warm Advection Aloft...Resulting In
A Broad Area Of Snow...Sleet...And Freezing Rain.

Along The Cold Front...Multiple Surface Waves Will Consolidate
Into One Surface Low Over Eastern Kansas This Evening. At The Same Time...A Strengthening Jet And Approaching Mid Level Shortwave Will Become Synergistic. The Combination Of Forcing Mechanisms With A Warm And Humid Airmass Ahead Of The Cold Front Are Expected To Produce Thunderstorms Later Today Across The Central And Southern Plains. Some Of The Thunderstorms May Become Severe...With Hail Being The Main Concern.

As The Storm Matures Over The Central Plains...Precipitation Is
Expected To Consolidate Into A Line Of Thunderstorms Along And
Behind A North-South Oriented Cold Front.

Heavy Rainfall Is Expected Along The Length Of The Front...From The Lower Mississippi Valley Northward Toward The Surface Low That Will Be Approaching The Great Lakes. A Second Area Of Heavy Precipitation Is Expected North Of A Stationary Boundary That Will Set Up South Of The Great Lakes. A Band Of Heavy Snow Will Develop Northwest Of The Surface Low Across Portions Of The Northern Plains And Upper Midwest.

High Pressure In Place Across The Southeast And Mid Atlantic Will
Allow Temperatures To Be Much Above Normal Into Thursday.

In The West...A Weak Shortwave Will Bring Light Precipitation To The
Northwest Wednesday.


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