EXCESSIVE RAINFALL DISCUSSION
NWS HYDROMETEOROLOGICAL PREDICTION CENTER CAMP SPRINGS MD
913 PM EDT MON APR 18 2011
 
...VALID 03Z TUE APR 19 2011 - 00Z WED APR 20 2011...
...REFERENCE AWIPS GRAPHIC UNDER...DAY 1 EXCESSIVE RAINFALL...
 

 

...LWR OH VLY REGION...
 
A LITTLE CONCERNED THAT THE TRAINING OF CNVCTV CELLS..WITH PSBL
BACK BUILDING..WILL OCCUR JUST NORTH OF THE LWR OH RIV VLY LATER
TNGT AND EARLY TMW MRNG MRNG.  MODEL GUIDANCE INDCS THAT A STG
LLVL SWLY TO WSWLY MSTR FETCH WILL BE IMPINGING ON A FRONTAL BNDRY
LYING THERE UNDER A REGION OF BROADLY FVBL DIV FLOW ALOFT.  THIS
STG MSTR FLUX AND HENCE PWS WILL LIKELY INCREASE DURING THE
NIGHTTIME AND MRNG HOURS AIDED BY SFC DVLPMNT OVR THE CNTRL U.S. 
COULD SEE SOME LOCALIZED 1.00 TO 2.00 INCH RNFL AMTS IN A FEW
HOURS AS CNVCTV FORCING AIDS MSTR CNVGNC OVR LOCALIZED AREAS.

KORTY
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