Quantitative Precipitation Forecast
Issued by NWS

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000
FOUS30 KWBC 170657
QPFERD

EXCESSIVE RAINFALL DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
256 AM EDT FRI OCT 17 2014

...VALID 06Z FRI OCT 17 2014 - 12Z SAT OCT 18 2014...
...REFERENCE AWIPS GRAPHIC UNDER...DAY 1 EXCESSIVE RAINFALL...


SLIGHT RISK OF RAINFALL EXCEEDING FFG TO THE RIGHT OF A LINE FROM
15 SW GNR 35 NNW GNR 40 NE CWHV 30 ESE CWIG 15 SE CWST
20 ENE CWST 15 SE CWNH 25 NNW CERM 20 NE CERM 15 NE CYSL
35 E PQI 30 SW CAFC 25 SW CWVU 75 SW CYQI 120 SSE RKD 95 ENE PVC
40 SSE IWI 15 SW GNR.


EASTERN MAINE

CONCERNS FOR POTENTIALLY EXCESSIVE RAINFALL AMOUNTS WILL BE EARLY
THIS PERIOD ACROSS PORTIONS OF EASTERN MAINE.  AN AXIS OF ABOVE
AVERAGE PW VALUES--2 TO 3+ STANDARD DEVIATIONS ABOVE THE
MEAN---EXPECTED TO PERSIST EARLY THIS MORNING ALONG THE
INCREASINGLY NEGATIVELY TILTED FRONTAL BOUNDARY PUSHING EASTWARD
THROUGH EASTERN NEW ENGLAND.  THERE IS POTENTIAL FOR TRAINING OF
CELLS IN A SOUTH TO NORTH DIRECTION IN THE STRONG LOW LEVEL
SOUTHERLY FLOW OFF THE WESTERN ATLANTIC.  IN AREAS OF
TRAINING---ISOLATED PRECIPITATION TOTALS OF 1"+ IN AN HOUR
POSSIBLE.  THE HEAVY TO EXCESSIVE RAINFALL THREAT WILL BE
DIMINISHING RAPIDLY BY OR SHORTLY AFTER 1200 UTC AS THE STRONG
SOUTHERLY LOW LEVEL FLOW DIMINISHES AND PUSHES EAST NORTHEASTWARD
AWAY FROM EASTERN MAINE.

ORAVEC
$$




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