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Day 1 Convective Outlook  
NWS Storm Prediction Center Norman OK
0230 PM CDT Fri Apr 08 2022

Valid 082000Z - 091200Z

...NO SEVERE THUNDERSTORM AREAS FORECAST...

...SUMMARY...
Severe thunderstorms are not expected today or tonight.

...20Z Update...
Only change to the previous outlook was to extend the general
thunder line eastward into more of the VA Tidewater and Delmarva.
Otherwise, previous forecast remains on track.

..Mosier.. 04/08/2022

.PREV DISCUSSION... /ISSUED 1104 AM CDT Fri Apr 08 2022/

...Synopsis...
A broad upper level low will drift slowly east across the eastern
CONUS today with ridging building into the Western CONUS with a
trough across the Pacific Northwest. 

Shallow convection is expected across much of the Ohio Valley and
the central Appalachians beneath very cold air aloft (-31 C per ILN
12Z RAOB). Only minimal surface heating was needed for surface based
convection and unsurprisingly, extensive shower activity hs
developed. As surface temperatures warm a bit more, CAPE profiles
will be deep enough to support lightning across much of the region.
Additionally, some gusty winds are possible with these showers with
steep lapse rates and 30 to 35 knots at 850mb. 

Additional thunderstorm activity is expected in western Washington
today beneath cooling temperatures aloft. Areas east of the Cascades
will be rain shadowed, but additional thunderstorm activity is
expected this evening and overnight from central Idaho into
southwest Montana as the trough shifts east.