Short Range Forecast Discussion
NWS Weather Prediction Center College Park MD
352 AM EDT Wed Oct 17 2018
Valid 12Z Wed Oct 17 2018 - 12Z Fri Oct 19 2018
...Heavy rain possible over parts of the Southern Plains...
...Snow possible over parts of the Central/Southern Rockies...
...Temperatures will be 20 to 30 degrees below average over the Southern
A front extending over parts of the Southeast into the Gulf of Mexico will
slowly move southward to the Florida peninsula by Thursday evening.
Showers and thunderstorms will develop over parts of the Southern
Mid-Atlantic into the Southeast that will move southward over the Florida
peninsula by Thursday morning into evening. Rain will develop over parts
of the Northern Mid-Atlantic that will move out over the Atlantic by
Wednesday evening. In addition, moisture flowing northward out of the
Gulf of Mexico will overrun the boundary producing showers and
thunderstorms over parts of the Western/Central Gulf Coast that will end
over the Central Gulf Coast by Thursday evening. Overnight Wednesday,
showers and thunderstorms will move northwestward into parts of the
Southern Plains into Thursday evening.
Meanwhile, moisture will move northward over the Southern Plains and
clockwise circulation around high pressure the Central Plains that will
move eastward to the Ohio Valley by Thursday. The moisture and
circulation will aid in producing rain over the Southern High Plains
through Thursday evening. Additionally, an upper-level low over the
Southwest will slowly weaken and move northeastward over parts of the
Great Basin/Central Rockies by Thursday. The energy will aid in producing
valley rain and mountain snow over parts of the Great Basin/Southwest and
the Central/Southern Rockies through Thursday evening.
Elsewhere, upper-level energy over the Great Lakes will move eastward off
the Northeast Coast by overnight Thursday. The energy will produce rain
and snow over parts of the Great Lakes into parts of the Northeast that
will end over the Upper Great Lakes by late Wednesday evening and over the
Northeast by Thursday evening.
Graphics available at www.wpc.ncep.noaa.gov/basicwx/basicwx_ndfd.php