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KF5JRV > WX 21.04.17 13:24l 59 Lines 2701 Bytes #999 (0) @ USA
BID : 14432_KF5JRV
Read: GUEST
Subj: NWS USA WX Forecast 4/21
Path: IW8PGT<CX2SA<N9PMO<NS2B<KF5JRV
Sent: 170421/1215Z 14432@KF5JRV.#NWAR.AR.USA.NA BPQK6.0.13
Short Range Forecast Discussion
NWS Weather Prediction Center College Park MD
458 AM EDT Fri Apr 21 2017
Valid 12Z Fri Apr 21 2017 - 12Z Sun Apr 23 2017
...There is a slight risk of severe thunderstorms over parts of the
Southern Plains/Lower Mississippi Valley...
...Heavy rain possible from Oklahoma eastward to parts of the
Central/Southern Appalachians...
...Heavy snow possible for parts of the Big Horn Mountains...
A front extending from the Northeast southwestward to the Tennessee Valley
then westward to the Southern High Plains will move eastward off the
Northeast/Mid-Atlantic Coast by Saturday morning. A wave of low pressure
over the Southern High Plains will move eastward along the boundary to
parts of the Tennessee Valley and the Southeast by Saturday evening. The
system will produce showers and thunderstorms from parts of the
Mid-Atlantic/Northeast along and ahead of the front to the
Southern/Central High Plains that will move of the Northeast/Northern
Mid-Atlantic by Friday evening. As the wave of low pressure moves
eastward out of the Southern High Plains by Friday evening, showers and
thunderstorms will move eastward across parts of the Southern/Central
Plains to the Tennessee Valley and the Central Gulf Coast by Saturday
evening. In addition, showers and thunderstorms will extend from the
Southern Mid-Atlantic westward to the wave of low pressure through
Saturday evening. Furthermore, rain will develop over parts of the
Northeast with snow over parts of Northern Maine through Saturday evening.
Meanwhile, upper-level energy over the Northern/Central Rockies will move
to parts of the Ohio Valley westward to parts of the Central/Southern
Plains by Saturday into Sunday morning. The energy will aid in producing
snow and lower elevation rain over parts of the Northern/Central Rockies
that will start to wind down overnight Friday that will be restricted to
parts of the Central Rockies by Saturday evening.
Additionally, a front over Central Canada will move into parts of the
Northern tier states overnight Friday into Saturday evening. The boundary
will trigger rain over parts of the Northern Plains on Saturday morning
that will move into parts of the Upper Mississippi Valley/Upper Great
Lakes by Saturday into Sunday. Another front will move onshore over the
Pacific Northwest into parts of California/Great Basin on Saturday morning
into Sunday. Rain will develop over the Pacific Northwest/Northern
California Coast and expand inland to parts of the Northern Intermountain
Region on Saturday into Sunday.
Ziegenfelder
Graphics available at www.wpc.ncep.noaa.gov/basicwx/basicwx_ndfd.php
73 Scott KF5JRV
KF5JRV.#NWAR.AR.USA.NA
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