SPC 2000Z Day 1 Outlook
Day 1 Convective Outlook
NWS Storm Prediction Center Norman OK
0234 PM CDT Mon Mar 28 2022
Valid 282000Z - 291200Z
...NO SEVERE THUNDERSTORM AREAS FORECAST...
...SUMMARY...
Isolated thunderstorms are possible across portions of the western
United States.
...20z Update...
Changes are unnecessary with the 20z update. Isolated thunderstorms
will continue to spread across portions of the western U.S. through
the overnight hours. See discussion below for details.
..Leitman.. 03/28/2022
.PREV DISCUSSION... /ISSUED 1103 AM CDT Mon Mar 28 2022/
...Western US...
No changes have been made to the ongoing forecast. Scattered
diurnally-driven showers and isolated thunderstorms are expected
this afternoon from western MT southward across much of the Great
Basin into central CA. This area will be under a cool upper trough
with increasing mid-level moisture/lift and pockets of marginal
instability. Small hail may occur in the stronger cells, but no
severe storms are expected.
After dark, an upper low and associated potent mid-level jet max
will move across southern CA toward portions of NV/UT/AZ.
Increasing large scale forcing for ascent and cooling temperatures
aloft may aid in the persistence of isolated thunderstorms through
the night across this region. Again, while small hail may accompany
the strongest cores, no severe storms are anticipated.
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