Subj : DAY2SVR: Nws Storm Prediction Center Norman Ok
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Thu Feb 27 2025 17:12:06

ACUS02 KWNS 271712
SWODY2
SPC AC 271710

Day 2 Convective Outlook
NWS Storm Prediction Center Norman OK
1110 AM CST Thu Feb 27 2025

Valid 281200Z - 011200Z

....NO SEVERE THUNDERSTORM AREAS FORECAST...

....SUMMARY...
Low thunderstorm chances may develop into parts of southern and
central California Friday night.

....Synopsis...
Substantial offshore flow will exist along the East Coast and
trailing into the northern Gulf of America on Friday, as a shortwave
trough moves out the Northeast. Behind this feature, another wave
will expand southeastward from the upper MS Valley across the Great
Lakes and into the Northeast through Saturday morning. Low pressure
will track across the Great Lakes in association with the developing
upper trough, with a new surge of high pressure spreading south
across the northern Plains/Upper MS Valley.

West of this regime, a compact upper low will move eastward toward
southern CA, providing increasing lift and cooling aloft, with
isolated weak thunderstorm activity possible.

....Southern CA...
As the upper low approaches, midlevel temperatures will cool,
steepening lapse rates. Elevated instability may develop after 00Z
north of the low where minimal moisture and lift will coexist.
Forecast soundings suggest a few lightning flashes may result as
MUCAPE on the order of 100-200 J/kg develops.

...Jewell.. 02/27/2025

$$

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