ACUS48 KWNS 120921

SWOD48

SPC AC 120919



Day 4-8 Convective Outlook  

NWS Storm Prediction Center Norman OK

0319 AM CST Fri Dec 12 2025



Valid 151200Z - 201200Z



...DISCUSSION...

Strong high pressure will dominate the eastern CONUS on Monday with

offshore flow across then entire Gulf Coast and East Coast. This

dry, continental polar airmass across the eastern CONUS will result

in no thunderstorms east of the Rockies on Monday and Tuesday. Some

thunderstorms are possible along the coastal Pacific Northwest where

some weak instability may be present. 



By the middle of next week, moisture return should resume across

Texas. This may result in some thunderstorm activity by early

Wednesday in the east Texas vicinity. Beyond Wednesday, model

uncertainty increases substantially. However, severe potential will

still remain too low as even the most favorable mid-long range

guidance indicates minimal instability and low severe weather

threat.



..Bentley.. 12/12/2025