Short Range Forecast Discussion
NWS Weather Prediction Center College Park MD
231 PM EDT Mon Apr 24 2017
Valid 00Z Tue Apr 25 2017 - 00Z Thu Apr 27 2017
...Heavy rain across the eastern U.S. and storms across the central U.S.
A complex low pressure system situated near the Southeast coast will cause
widespread heavy rain across the Carolinas and into Virginia through early
Tuesday. Another low tracking northward from the Bahamas will merge with
this system, supplying additional moisture and thus heavier rainfall.
This surface low and its accompanying upper low is forecast to weaken some
as it heads to the Northeast U.S. by midweek, but still will be capable of
producing areas of heavy rain from the Mid-Atlantic to New England. Flash
flooding will be possible where training convection occurs, especially
over eastern North Carolina going through early Tuesday.
Across the central U.S., a well-defined frontal zone is expected to become
established from the Upper Midwest to Texas. Two surface lows are
expected along this boundary, with one over the Upper Midwest, and the
other over the southern Plains. Multiple rounds of severe weather are
possible near the front and ahead of the dryline over western Texas.
Winter weather is still upon us for the higher elevations of the
northwestern U.S. through Wednesday, including the Cascades and the
northern/central Rockies. A Pacific front moving onshore Tuesday night
will likely produce an enhanced band of precipitation with it across the
Pacific Northwest. Temperatures will continue to be below normal across
the north-central part of the nation.
Graphics available at www.wpc.ncep.noaa.gov/basicwx/basicwx_ndfd.php