SPC AC 030632
Day 2 Convective Outlook
NWS Storm Prediction Center Norman OK
1232 AM CST Thu Mar 03 2022
Valid 041200Z - 051200Z
...NO SEVERE THUNDERSTORM AREAS FORECAST...
...SUMMARY...
A few thunderstorms are possible Friday into Friday night over parts
of Utah and Colorado, with a few lingering showers over southern
California Friday morning. Severe storms are not expected.
...Synopsis and Discussion...
A strong shortwave trough with cyclonically curved jet max will move
from southern CA across the lower CO Valley during the day, with the
jet nosing east across the Four Corners region at 00Z and into the
central High Plains by Saturday morning. Prominent cooling aloft
will occur with this system, which will lead to steep midlevel lapse
rates. Daytime heating will result in can uncapped air mass from
southern NV across northern AZ and across UT and western CO, with a
few hundred J/kg MUCAPE expected. Scattered thunderstorms are
likely, though the weak instability should preclude much severe
risk. That said, cells may produce small hail or gusty winds.
Elsewhere, early day convection is expected near the Coastal Range
in southern CA where westerly low-level flow may enhance upslope.
This activity should wane during the afternoon.
Farther east across NE overnight, it appears the air mass may remain
capped despite positive theta-e advection around 850 mb. Most models
suggest little to no thunderstorms there, but an isolated cell
cannot totally be ruled out. At this time, thunder chances over NE
and IA appear minimal.
..Jewell.. 03/03/2022
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