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KF5JRV > WX 15.05.17 12:47l 53 Lines 2373 Bytes #999 (0) @ USA
BID : 15706_KF5JRV
Read: GUEST
Subj: NWS USA WX Forecast 5/15
Path: IW8PGT<CX2SA<N9PMO<NS2B<KF5JRV
Sent: 170515/1127Z 15706@KF5JRV.#NWAR.AR.USA.NA BPQK6.0.13
Short Range Forecast Discussion
NWS Weather Prediction Center College Park MD
342 AM EDT Mon May 15 2017
Valid 12Z Mon May 15 2017 - 12Z Wed May 17 2017
...Heavy precipitation possible over parts of the Cascades...
...Heavy rain possible over portions of the Southern/Central Plains and
the of the Upper Midwest...
...Slight chance for severe thunderstorms from the Southern Plains to the
Upper Midwest...
Much of the northern-tier will be in an active wet pattern as a couple of
lows rotate through the the upper-level trough moving through the West.
Rain and higher elevation snow will spread across parts of the Pacific
Northwest and northern California eastward into parts of the Northern
Rockies as an approaching frontal system tracks across the Pacific
Northwest/Intermountain West. Portions of the Cascades could have periods
of heavy precipitation during this time.
For areas east of the Continental Divide, scattered to numerous showers
and thunderstorms will develop from the Southern High Plains to the Upper
Midwest/Great Lakes region as surface front moves out into the Plains and
lifts northeast through the Upper Midwest into Canada by midweek. Any one
of these thunderstorms will have the potential to become strong or severe.
The Storm Prediction Center has highlight much of the High Plains and
portions of the Upper Midwest as having a slight risk for severe weather.
Please refer to the SPC webpage for additional information on the slight
risk.
A reinforcing shot of cooler air will surge into the Northern High Plains
which will keep showers and thunderstorms over much of the north-central
U.S. Embedded areas of heavy rainfall will likely set up over portions of
Minnesota, Wisconsin and northern Michigan and may lead to rapid runoff
and flash flooding. This particular region has forecast amounts of 3 to 4
inches.
Elsewhere, an upper-level low over the Great Lakes/Northeast will slowly
move off the Northeast Coast and move to the Canadian Maritimes by
Tuesday. Rain will develop over the Northeast that will slowly diminish
to a small area over Northern Maine by Tuesday morning. Additionally,
upper-level energy over the Florida Peninsula will aid in producing
showers and thunderstorms over parts of the southern tip of Florida
through Tuesday.
Campbell
Graphics available at www.wpc.ncep.noaa.gov/basicwx/basicwx_ndfd.php
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