Quantitative Precipitation Forecast
Issued by NWS

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FOUS30 KWBC 190555
QPFERD

EXCESSIVE RAINFALL DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
154 AM EDT SAT APR 19 2014

...VALID 06Z SAT APR 19 2014 - 12Z SUN APR 20 2014...
...REFERENCE AWIPS GRAPHIC UNDER...DAY 1 EXCESSIVE RAINFALL...


SLIGHT RISK OF RAINFALL EXCEEDING FFG TO THE RIGHT OF A LINE FROM
40 SE SSC 25 SE FLO 15 NW CRE 10 ENE CRE 25 SSE CRE 65 S MYR
85 SE CHS 75 SE HXD 55 SE HXD 25 SSE HXD HXD 30 NNE NBC
30 NW CHS 40 SE SSC.


KEPT SLIGHT RISK AREA MAINLY THRU THE REMAINDER OF THE NIGHT ALONG
COASTAL AREAS OF SC. THERE WILL CONTINUE TO BE A THREAT FOR
FLOODING RAINS THRU THE EARLY MORNING HOURS OVER EASTERN SC..WHERE
UP TO 40KTS OF H85 INFLOW OFF THE ATLANTIC CONTINUES TO BRING IN
PWS IN EXCESS OF 1.50 INCHES AND WHERE A FAVORABLE UPPER DIFFLUENT
FLOW AHEAD OF THE EASTERN GULF COAST SYSTEM SUPPORTS ENHANCED
LARGE SCALE LIFT.  BEST INSTABILITY IS EXPECTED TO REMAIN
OFFSHORE..SO HEAVIER RAINFALL RATES WILL TEND TO DIMINISH TOWARD
COASTAL AREAS AND INLAND.  THAT SAID...STILL EXPECT POTNL FOR SOME
LOCAL .50 TO 1 INCH RAINFALL AMOUNTS IN AN HOUR OR SO WITH ISOLD
AMOUNTS UP TO 2 INCHES THROUGH THE MRNG HOURS.  THESE AMOUNTS ON
TOP OF EARLIER HEAVY RAINS MAY LEAD TO SOME ISOLD RUNOFF ISSUES
BEFORE BEST LOW LEVEL CONFLUENT MSTR AXIS SHIFTS NEWD.

SULLIVAN
$$





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