Short Range Forecast Discussion
NWS Weather Prediction Center College Park MD
357 PM EDT Sun May 19 2013
Valid 00Z Mon May 20 2013 - 00Z Wed May 22 2013
...Moderate risk of severe weather for eastern Kansas and northeast
...Slight risk of severe weather for parts of the Upper Mississippi Valley
to parts of the Southern Plains...
...Heavy rainfall possible for the Upper Midwest...
Quasi-stationary storm over the plains will produce showers and
thunderstorms over the Central/Southern Plains and parts of the
Upper/Middle Mississippi that will move into the Great Lakes/Ohio Valley
and parts of the Northeast to the Lower Mississippi Valley/Southern Plains
by Tuesday. In addition, light to moderate rain will develop over Upper
Midwest, waning to rain over the Northern Plains by Tuesday.
Additional upper-level energy will move into the storm aiding in the
development of showers and thunderstorms over parts of the
Northern/Central Rockies during the afternoon and evening hours of Sunday
and Monday. During the nighttime and morning hours, the precipitation
will be mainly in the form of rain over the region through Monday.
A deepening upper-level low over the Gulf of Alaska will rotate just off
the Pacific Northwest Coast Monday night into Tuesday. The energy will
produce rain over parts of the Pacific Northwest into parts of Northern
California on Tuesday morning.
Elsewhere, much weaker upper-level low over the Southern Mid-Atlantic will
produce showers and thunderstorms over parts of the Southeast/Mid-Atlantic
Sunday through Tuesday.
Graphics available at www.wpc.ncep.noaa.gov/basicwx/basicwx_wbg.php