Short Range Forecast Discussion
NWS Weather Prediction Center College Park MD
450 AM EDT Sun Mar 09 2014
Valid 12Z Sun Mar 09 2014 - 12Z Tue Mar 11 2014
...Active weather will continue across the Northwest...
...Showers and thunderstorms expected along the western Gulf Coast...
...Light snows possible with weak impulses streaking through the Great
Lakes and Northeast...
Widespread shower activity is expected with a Pacific cold front steadily
moving inland over the northwestern corner of the Country. A rich supply
of Pacific moisture streaming onshore ahead of the boundary...combined
with orographics...should produce moderate to heavy precipitation across
Oregon and Northern California and northeastward into Idaho on Sunday. As
the boundary sinks farther southeastward on Monday...increasing winds
surrounding a deepening surface low should force a decent amount of
upslope precipitation over the Northern Rockies and adjacent High Plains.
Initially the majority of precipitation across the Northwest will be
rain...but dropping temperatures and snow levels behind the cold should
eventually lead to widespread snow accumulations across Idaho...southern
Montana...and northwestern Wyoming.
A slow moving piece of southern stream energy over Mexico and onshore flow
off the western Gulf will help ignite and fuel showers and thunderstorms
across South Texas on Sunday. The energy aloft should become a bit more
progressive on Monday...moving the stormy activity eastward over the Texas
and Louisiana coasts.
Light snows will be possible with a pair of weak impulses streaking from
the Great Lakes to the Northeast coast. A lack of moisture supply and the
quick progression of these systems will limit snow accumulations.
Graphics available at www.wpc.ncep.noaa.gov/basicwx/basicwx_wbg.php