Short Range Forecast Discussion
NWS Weather Prediction Center College Park MD
400 AM EDT Mon Apr 23 2018
Valid 12Z Mon Apr 23 2018 - 12Z Wed Apr 25 2018
...Heavy rain possible over parts of the Central/Southern Appalachians and
the Southern Mid-Atlantic...
...Snow possible over parts of the Northern Rockies/Northern High Plains...
A storm over the Tennessee Valley will slowly move eastward to the
Southeast/Southern Mid-Atlantic by Tuesday evening. Showers and
thunderstorms will develop along and ahead of the associated front over
parts of the Tennessee Valley into the Southeast moving off most of the
Southeast Coast except for parts of the Florida Peninsula and the Southern
Mid-Atlantic by Tuesday evening. Rain will also develop over parts of the
Middle Mississippi and Ohio Valleys that will expand into parts of the
Central Appalachians and the Northern Mid-Atlantic by Monday evening. The
rain will move into parts of the Great Lakes and the Northeast on Tuesday
morning into Tuesday evening.
Meanwhile, upper-level energy over the Northern Rockies will move
southeastward to the Central Plains/Central Rockies by Tuesday evening.
The energy will aid in producing higher elevation snow and lower elevation
rain over parts of the Northern Rockies/Northern High Plains that will
move southeastward into parts of the Central Rockies overnight Monday into
Graphics available at www.wpc.ncep.noaa.gov/basicwx/basicwx_ndfd.php