Short Range Forecast Discussion
NWS Weather Prediction Center College Park MD
419 AM EDT Sun Mar 26 2017
Valid 12Z Sun Mar 26 2017 - 12Z Tue Mar 28 2017
...There is a slight risk of severe thunderstorms over portions of the
...Heavy rain possible over parts of the Tennessee Valley...
...Rain/freezing rain possible over parts of the Upper Great Lakes and the
An upper-level low over Middle Mississippi Valley/Western Ohio Valley will
slowly weaken while moving northeastward to Maine by Monday evening.
Showers and thunderstorms will develop along the Central Gulf Coast on
Sunday morning that will expand northward into parts of the Ohio Valley by
Sunday afternoon into Sunday evening. Showers and thunderstorms will be
restricted to the Southern Appalachians by Monday morning, expanding into
parts of the Central/Southern Appalachians by Monday evening. Rain will
also develop over parts of the Upper/Middle Mississippi Valley and the
Great Lakes/Ohio Valley as well as parts of the Northern Mid-Atlantic on
Sunday morning that will move into parts of the Northeast by Sunday
evening into Monday morning. The rain will wane over parts of the Western
Ohio Valley/Upper Mississippi Valley overnight Sunday. In addition,
rain/freezing rain will develop over parts of the Upper Great Lakes on
Sunday morning and over parts of the Northeast on Sunday night into Monday
morning. Snow will also develop over parts of Maine overnight Sunday into
Monday and Monday evening.
Meanwhile, energy over the Southern/Central Rockies and High Plains will
move northeastward to the Ohio Valley by Monday evening. The system will
produce rain and higher elevation snow over parts of the Central Rockies
on Sunday ending overnight Sunday. On Sunday afternoon into evening,
showers and thunderstorms will develop over parts of the Central/Southern
Plains that will move into parts of the Middle/Lower Mississippi Valley by
Monday morning. The showers and thunderstorms will move into parts of the
Ohio Valley/Tennessee Valley and parts of the Southeast by Monday evening.
Over the West Coast, a front will move onshore by Sunday evening
continuing to move eastward to the Rockies by Monday evening. The storm
will begin to produce rain and higher elevation snow over parts of the
Pacific Northwest/Northern California that will expand inland to parts of
the Northern Rockies by Sunday evening. The rain and higher elevation
snow will move into parts of the Great Basin on Monday and into parts of
the Central Rockies/Southwest on Monday afternoon into Monday evening.
Behind the system, onshore flow will aid in producing coastal rain and
higher elevation snow over parts of the Pacific Northwest/Northern
California on Monday into Monday evening.
Graphics available at www.wpc.ncep.noaa.gov/basicwx/basicwx_ndfd.php