Severe Weather Threat Day 1 Sat Jan 26

Morning Water Vapor Imagery Indicates A Lead Vorticity Maximum Over
Cntrl Baja Which Will Pivot Newd Through Ern Az/Wrn Nm Today In
Advance Of An Upstream Short-Wave Trough Along The Srn Ca/Nrn Baja Coasts. The Latter Feature Will De-Amplify During The D1 Period While Translating Enewd Through The Four Corners Region Into The Cntrl High Plains.

Meanwhile...A More Significant Trough Over The Far Nern Pacific Will Dig Sewd Across The Pacific Nw And Nrn Ca. This Trough Is Comprised Of A Lead Vorticity Maximum Which Is Lifting Newd Through The Olympic Peninsula And A Secondary... Upstream Vorticity Maximum Which Will Reach The Swrn Ore/Nrn Ca Coasts Later Today.

Lower Co Valley Into Srn Rockies...

Modest Forcing For Ascent Will Align With A Subtropical Moisture
Plume Characterized By Pw Values Of 1.0-1.4 Inches To Promote An
Increase In Shower Activity Today. While Isolated Lightning Strikes
Will Be Possible...Poor Lapse Rates Will Limit The Degree Of Air
Mass Destabilization And Overall Tstm Potential.

Pacific Nw Coast...

Considerable Midlevel Cooling Will Occur In Conjunction With The
Arrival Of The Above-Mentioned Trough...Yielding Steepening Lapse
Rates And The Development Of A Weakly Unstable Environment. Lds
Data Indicate No Oceanic Lightning Activity Since About 26/02z...And
While Isolated Strikes Are Possible...Tstm Potential Appears Too
Marginal To Warrant Inclusion Of A General Tstm Area.

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