Severe Weather Threat Day 2 Mon Mar 25

A Broad Zone Of Cyclonic Flow Aloft Will Prevail East Of The Rockies ...As A Strong Shortwave Trough Moves From The Upper Oh/Tn Valleys Enewd Off The Mid Atlantic Coast Mon Evening...While An
Upstream Trough Amplifies Some From The Central Plains To The Tn

Meanwhile...A Progressive Closed Low...Currently Located In The Ern Pacific /38n/143w/...Is Expected To Become An Open Wave Late Day1 As It Approaches The West Coast. This Feature Will Undergo Further Weakening Day2 As It Moves Inland Over Nrn Ca/Srn Ore After 26/00z Into A Weak Ridge In The Wrn States.

No Changes Are Needed In The Day2 Outlook As Models Maintain A
Nearly Non-Existent Potential For Tstms Across The Conus...Given A
Cool/Stable Environment.

The Exception...Though Still Less Than 10 Percent Probability...Is Located Across Nrn Ca/Srn Ore Late Mon Afternoon/Evening. Weak Destabilization...Steepening Midlevel Lapse Rates And Ascent Attendant To The Pacific Shortwave Trough Moving Into This Region May Support A Lightning Strike Or Two. However... Expected Overall Minimal Coverage Precludes The Inclusion Of A General Tstm Area.

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