Day 1 Severe Weather Outlook

Valid 202000Z – 211200Z


Thunderstorm areas are not expected over the contiguous U.S. today
and tonight.


The previous forecast remains on track, with no thunderstorm
activity expected across the CONUS for the remainder of the period.

..Leitman.. 01/20/2020

.PREV DISCUSSION… /ISSUED 1012 AM CST Mon Jan 20 2020/

A large area of high pressure covering most of the CONUS will
prevent low-level destabilization for deep moist convection today
over land areas. Across the Pacific Northwest, an approaching
shortwave trough will take on a negative tilt while fostering
lightning-producing convection over open waters overnight. A few
strikes may occur along coastal ares of Washington State and Oregon,
though the bulk of this activity may hold off until after 12Z


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