Day 1 Severe Weather Outlook

Valid 072000Z – 081200Z


Isolated thunderstorms are possible today mainly over Utah and
western Washington.

…20z Update…

The ongoing outlook remains on track. A few lightning flashes are
possible through this evening from southeast ID into western CO.
Showers will continue to move onshore coastal WA and a couple of
lightning flashes will remain possible through the remainder of the
afternoon. No changes were made to the ongoing 10% general
thunderstorm areas.

..Leitman.. 03/07/2020

.PREV DISCUSSION… /ISSUED 1018 AM CST Sat Mar 07 2020/

Broad, longwave mid-level troughing across the western 1/3 of the
CONUS will result in areas of showers and a few thunderstorms – most
likely across portions of UT/CO/ID. Point forecast soundings
indicate appreciable boundary layer mixing with inverted-V low-level
profiles and strong deep shear, which may result in an isolated
strong wind gust. This threat should be too isolated/marginal for
any severe probabilities.

Farther northwest, cold air aloft will result in a few strikes
across western Washington State today through this evening.

Elsewhere, broad ridging aloft and a surface high centered over the
upper Ohio Valley should limit potential for deep convection across
the central and eastern U.S.


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