344
ACUS01 KWNS 211628
SWODY1
SPC AC 211627
DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1027 AM CST SAT DEC 21 2024
VALID 211630Z - 221200Z
..NO SEVERE THUNDERSTORM AREAS FORECAST
..SUMMARY
ISOLATED LIGHTNING FLASHES ARE POSSIBLE THROUGH THIS AFTERNOON ALONG
THE OREGON COAST AND VICINITY.
..OR COAST AND VICINITY THROUGH THIS AFTERNOON
A MIDLEVEL SHORTWAVE TROUGH AND ASSOCIATED THERMAL TROUGH WILL MOVE
INLAND OVER WA/OR THROUGH THE DAY. ISOLATED LIGHTNING FLASHES
OCCURRED EARLIER THIS MORNING IN NORTHERN CA WITH CONVECTION/MINIMAL
BUOYANCY ROOTED ABOVE THE 700 MB LEVEL, THOUGH THIS THREAT APPEARS
TO ALREADY BE DIMINISHING. THROUGH THIS AFTERNOON, COLDER MIDLEVEL
TEMPERATURES AND ASSOCIATED STEEPER LOW-MIDLEVEL LAPSE RATES WILL
SPREAD INLAND OVER COASTAL OR WHERE ISOLATED, LOW-TOPPED
THUNDERSTORMS WILL BE POSSIBLE.
..THOMPSON/BENTLEY.. 12/21/2024
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