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KF5JRV > WX 18.04.17 13:49l 47 Lines 2112 Bytes #999 (0) @ USA
BID : 14301_KF5JRV
Read: GUEST
Subj: NWS USA WX Forecast 4/18
Path: IW8PGT<CX2SA<LU4ECL<I0OJJ<N9PMO<NS2B<KF5JRV
Sent: 170418/1224Z 14301@KF5JRV.#NWAR.AR.USA.NA BPQ6.0.13
Short Range Forecast Discussion
NWS Weather Prediction Center College Park MD
355 AM EDT Tue Apr 18 2017
Valid 12Z Tue Apr 18 2017 - 12Z Thu Apr 20 2017
...Periods of rain and high-elevation snow to continue today and into
Wednesday morning across the western U.S...
...Showers and thunderstorms expected from the Gulf states to the
Southeast/southern Mid-Atlantic and over the Midwest/Upper Midwest...
Over the next few days mostly zonal flow with a few small disturbances is
expected across the country. A couple of weakening Pacific systems will
send moisture across the West, spreading rain and high-elevation snow
across the region today and into the Northern Plains on Wednesday.
Another round is forecast for the Pacific Northwest and northern
California Wednesday and beyond.
The aforementioned moisture from the western U.S. will spread quickly into
the Northern Plains and the Great Lakes on Wednesday in advance of a
developing low pressure system in the Central Plains. Areal coverage of
the rain will expand, encompassing much of the Midwest, Upper Midwest,
Great Lakes, Mid-Atlantic and the Northeast by late Wednesday. o the south
of the front, a line of thunderstorms may develop ahead of a dry line in
the Central Plains -- the Storm Prediction has identified a slight risk
for portions of the Midwest on Wednesday.
Today, mild and drier conditions should return to New England and portions
of the mid-Atlantic as a surface high pressure ridge builds in from
southeastern Canada. Light rain will be possible on Wednesday though as
easterly winds transport moisture from the Atlantic Ocean inland by
Wednesday. For the Southeast, showers and thunderstorms are forecast to
linger along a stationary front. Meanwhile, moisture from the Southeast
will spread northward and merge with moisture arriving from the Great
Lakes over the Ohio Valley and the Appalachians. By Wednesday evening,
northern New England could see the arrival of some wintry precipitation.
Campbell/Kong
Graphics available at www.wpc.ncep.noaa.gov/basicwx/basicwx_ndfd.php
73 Scott KF5JRV
KF5JRV.#NWAR.AR.USA.NA
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