Short Range Forecast Discussion
NWS Weather Prediction Center College Park MD
403 AM EDT Sun Apr 21 2019

Valid 12Z Sun Apr 21 2019 - 12Z Tue Apr 23 2019

...Well above average temperatures likely across the middle part of the
country on Sunday while a cold front to the west brings rain and some
mountain snows...

...Strong to severe thunderstorms and locally heavy rainfall possible
across parts of the Southern Plains, with moderate to heavy rain also
likely across the Upper Midwest on Monday...

The same system responsible for heavy rainfall and severe weather the past
few days will continue to bring mainly showery and scattered activity to
the Mid-Atlantic and the Northeast today as the parent upper level low is
slow to depart. A surface low lifting northward off the coast on Monday
may bring a period of moderate to locally heavy rains to portions of
eastern New England. Temperatures on Sunday will remain cooler than normal
from the Mid-Atlantic southward, but should warm again to near or slightly
above average on Monday.

The middle of the country (from the Southern Plains to the Upper Midwest)
will be in between systems on Sunday, with afternoon highs in the upper
70s to upper 80s likely which is as much as 20 degrees above normal. The
warm temperatures shift eastward on Monday into the Ohio valley and
Mississippi Valley. To the west, a cold front moving through the
Intermountain West/Rockies today will bring mainly light rain and much
cooler temperatures. Temperatures Sunday into Monday from Wyoming to the
High Plains could be 10 to 20 degrees below normal which would support the
potential for several inches of snow in the highest elevations. The front
drops into the Southern Plains by Monday, increasing the threat for
locally heavy rainfall and strong to severe thunderstorms. The Storm
Prediction Center highlights part of the Texas Panhandle into western
Oklahoma within a marginal to slight risk on Monday. To the north, a
stationary boundary settling across the Upper Midwest/Great Lakes may
provide focus for locally heavy to excessive rainfall as well on Monday.

Santorelli


Graphics available at www.wpc.ncep.noaa.gov/basicwx/basicwx_ndfd.php