932
FXUS01 KWBC 242013
PMDSPD

Short Range Forecast Discussion
NWS Weather Prediction Center College Park MD
313 PM EST Sun Nov 24 2024

Valid 00Z Mon Nov 25 2024 - 00Z Wed Nov 27 2024

...Heavy snow over parts of the Sierra Nevada Mountains and Upper
Great Lakes with moderate snow over parts of the Central Rockies...

...Temperatures will be 10 to 15 degrees below average over the
Northern Plains...

A front extending from the Middle Mississippi Valley, Central
Plain/Rockies, and Southwest will move eastward to off the
Northeast/Mid-Atlantic Coast and then over the Southeast and off
the Western Gulf Coast by Tuesday evening. A high pressure over
West-Central Canada will usher cold air over parts of the Northern
Plains, bringing temperatures of 10 to 15 degrees below average,
while the high moves southeastward to the Ohio Valley by Tuesday
evening.

Weak onshore flow will produce coastal rain and higher-elevation
snow over parts of the Pacific Northwest through late Monday
night. More robust onshore flow will produce rain and
higher-elevation snow over parts of Northern/Central California.
The snow will be heavy over the Sierra Nevada Mountains through
Tuesday evening. Additional upper-level energy will move over the
Central Rockies, developing light snow from Sunday evening into
Monday morning. The energy will create moderate to heavy snow over
the Central Rockies from Monday evening into Tuesday evening.

Meanwhile, upper-level energy over the Northeast will produce
light rain over parts of the Lower Great Lakes through Sunday
night and higher-elevation snow over the Northeast through Monday
morning. Overnight Sunday, as the wave of low pressure and
associated upper-level energy moves into the Upper Midwest,
moderate snow will develop over parts of northeastern Minnesota,
northern Wisconsin, and the Upper Peninsula of Michigan. Rain will
grow over the Lower Peninsula of Michigan on Monday and extend
into the Ohio Valley. By Monday afternoon, as the precipitation
expands southward, showers and thunderstorms develop over parts of
the Tennessee Valley and the Lower Mississippi Valley. By Tuesday,
heavy lake-effect snow will develop over the western Upper
Peninsula of Michigan and moderate to heavy lake-effect snow over
the rest of the Upper Peninsula of Michigan. Also, rain will move
into the Northeast and parts of the Mid-Atlantic, southwestward to
the Central Gulf Coast. The rain will change over to snow over
parts of Northern New England by Tuesday evening.


Ziegenfelder


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