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KF5JRV > WX 04.08.16 13:46l 50 Lines 2010 Bytes #999 (0) @ USA
BID : 7111_KF5JRV
Read: GUEST
Subj: NWS USA WX Forecast 8/4
Path: IW8PGT<CX2SA<N9PMO<N0KFQ<KF5JRV
Sent: 160804/1126Z 7111@KF5JRV.#NWAR.AR.USA.NA BPQK1.4.65
Short Range Forecast Discussion
NWS Weather Prediction Center College Park MD
146 AM EDT Thu Aug 4 2016
Valid 12Z Thu Aug 4 2016 - 12Z Sat Aug 6 2016
...Cooler air will move across much of the northern U.S. while
summer heat continues for the rest of the country...
...Heavy rain and flash flooding possible for the southern
Rockies...
A potent upper level disturbance tracking eastward along the
U.S./Canadian border at the start of the forecast period will
sustain a well-defined surface low that is forecast to track
northeastward towards Hudson Bay. Severe thunderstorms are likely
to develop ahead of the trailing cold front across the Upper
Midwest through Thursday night, followed by a cooler and drier air
mass from the northwest. By the end of the week, another upper
level low will approach the Pacific Northwest and this will
increase the coverage of showers and thunderstorms, along with
cooler temperatures
The area of the country with the greatest potential for heavy rain
and flash flooding will be the 4-corners region, especially the
higher terrain of Arizona, Colorado, and New Mexico. An enhanced
monsoonal flow over this region south of a frontal boundary will
result in the development of numerous showers and thunderstorms
each afternoon and evening, and some areas may receive in excess
of 2 inches of rainfall over a 2 day period. Flash flood watches
are in effect for an expansive area from eastern California to
northern New Mexico.
The heat and humidity are forecast to continue unabated across
much of the central and southern U.S. Dewpoints well into the 70s
along with daytime highs in the 90s to near 100 degrees will be
commonplace from the central Plains to the Deep South. Heat
advisories are in effect from eastern Kansas to Alabama where heat
indices could easily be in the 100 to 110 degree range, perhaps
even higher at times.
Hamrick
Graphics available at www.wpc.ncep.noaa.gov/basicwx/basicwx_wbg.php
73, Scott kf5jrv
KF5JRV @ KF5JRV.#NWAR.AR.USA.NA
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