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KF5JRV > WX 06.03.17 13:26l 62 Lines 2834 Bytes #999 (0) @ USA
BID : 11777_KF5JRV
Read: GUEST
Subj: NWS USA WX Forecast 3/6
Path: IW8PGT<CX2SA<N9PMO<NS2B<KF5JRV
Sent: 170306/1215Z 11777@KF5JRV.#NWAR.AR.USA.NA BPQK6.0.13
Short Range Forecast Discussion
NWS Weather Prediction Center College Park MD
331 AM EST Mon Mar 06 2017
Valid 12Z Mon Mar 06 2017 - 12Z Wed Mar 08 2017
...Heavy snow will continue today across portions of the Pacific
Northwest, California, and the Intermountain West...
...Widespread showers and thunderstorms are possible for much of the
eastern U.S. over the next couple of days...
...A wintry mix will transition to all snow today across the Northern
Plains...
Continued onshore flow across the Pacific Northwest will promote more rain
along the Pacific coast today, and snow showers inland well into the
Intermountain West. These will slowly taper off throughout the day and
overnight. Winter Storm Warnings and Winter Weather Advisories remain in
effect for portions of the northwest U.S. through today for continued snow
concerns.
Meanwhile, a low pressure system continues to gain considerable strength
as it moves into the Northern Plains this morning. This system will shift
northeast into the Upper Mississippi Valley this evening, reaching South
Central Canada overnight. An extensive cold front associated with this low
will push eastward across much of the central U.S. throughout the day,
then across the Mississippi Valley and Southern Plains tonight. It will
then proceed to the Atlantic Seaboard by Wednesday morning.
Strong return flow along the back side of a departing high is currently
allowing warm and moist air to stream northward from the Gulf of Mexico.
This will continue to spark scattered showers and thunderstorms across
much of the southeast U.S. throughout the day. However, as the cold front
approaches the Mississippi River later in the day, this warm, moist, and
unstable flow will be further enhanced, resulting in stronger and more
widespread showers and thunderstorms for much of the Mississippi River
Valley region this evening, and points eastward overnight and into
Tuesday. The Storm Prediction Center has outlined a portion of the Lower
to Middle Mississippi Valley region in an enhanced risk of severe
thunderstorms from late this afternoon into the overnight, and much of the
Central and Southern Plains northward into the Middle and Upper
Mississippi Valley in a slight risk during this time. Please refer to the
SPC website for more information.
Concurrently, much of the northern plains will find themselves on the back
side of the low and in the cold sector. Precipitation here will continue
to fall as a wintry mix of rain, snow, and sleet through this morning,
transitioning to all snow today as colder air pushes southward from Canada
throughout the day. Winter Weather Advisories are currently in effect for
portions of the Northern Plains as a result.
Wix
Graphics available at www.wpc.ncep.noaa.gov/basicwx/basicwx_ndfd.php
73 Scott KF5JRV
KF5JRV.#NWAR.AR.USA.NA
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