Short Range Forecast Discussion
NWS Weather Prediction Center College Park MD
244 AM EST Tue Nov 11 2025

Valid 12Z Tue Nov 11 2025 - 12Z Thu Nov 13 2025

...Unseasonably cold along the Southeast Coast and Florida today; Central
U.S. warms up...

...Snow expected to continue across Lower Great Lakes and interior
Northeast/New England...

...Atmospheric river to bring heavy rainfall and mountain snow to the West
Coast late Wednesday...


Upper troughing over the Eastern U.S. will continue to direct cold
continental polar air down into the Southeast today. High temperatures in
the 40s, 50s and 60s from the Florida Peninsula up along the Southeast
Coast will represent 20-30 degree temperatures anomalies. These well below
average high temperatures may threaten many existing records today.
Temperatures will begin to moderate across the East on Wednesday when the
upper low lifts out of the region and into into eastern Canada. In the
meantime, Lake effect snow is expected to continue impacting downwind
areas of Lakes Erie and Ontario as well as parts of the Northern
Appalachians. Between 4-8 inches are likely over the aforementioned areas
by Thursday morning. Winter weather advisories and Lake effect snow
warnings are in effect.

In the West, a deep upper-level trough will bring substantial moisture to
the West Coast beginning on Wednesday night. Moderate to heavy rain is
expected along the California Coast between Wednesday and Thursday, while
the heaviest snow is anticipated to occur over the Sierra on Thursday.
Winter Storm Watches are in effect for the Sierra beginning late Wednesday
night and continuing through early Friday morning. There's a marginal risk
(at least 5% chance) of excessive rainfall leading to flash flooding over
portions of northern California on Wednesday night.


Kebede


Graphics available at
https://www.wpc.ncep.noaa.gov/basicwx/basicwx_ndfd.php