SPC 2000Z Day 1 Outlook
Day 1 Convective Outlook
NWS Storm Prediction Center Norman OK
0156 PM CDT Sun Mar 27 2022
Valid 272000Z - 281200Z
...NO SEVERE THUNDERSTORM AREAS FORECAST...
...SUMMARY...
A few thunderstorms are possible across the Cascade Range.
...20z Update...
The ongoing forecast remains on track with isolated thunderstorms
possible in the vicinity of the Cascades this evening/overnight. See
previous outlook discussion below for details.
..Leitman.. 03/27/2022
.PREV DISCUSSION... /ISSUED 1107 AM CDT Sun Mar 27 2022/
...OR/WA...
Morning water vapor imagery shows a large upper low off the OR/CA
coast. This feature will track eastward through the day, with the
exit region of an associated mid-level speed max moving into parts
of WA/OR. Increasing large scale lift and cooling temperatures
aloft will promote the development of scattered showers and isolated
thunderstorms after dark over western OR and along the Cascades.
Elsewhere across the nation, dry and stable conditions are expected
to preclude thunderstorm activity today.
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