EXCESSIVE RAINFALL DISCUSSION
NWS HYDROMETEOROLOGICAL PREDICTION CENTER CAMP SPRINGS MD
221 PM EDT THU APR 29 2010
 
...VALID 18Z THU APR 29 2010 - 00Z SAT MAY 01 2010...
...REFERENCE AWIPS GRAPHIC UNDER...DAY 1 EXCESSIVE RAINFALL...
 

SLIGHT RISK OF RAINFALL EXCEEDING FFG TO THE RIGHT OF A LINE FROM
10 SSW CCY 20 NE AMW 15 N CSQ 20 NNE FNB 30 WSW FNB 20 S BIE
15 ENE HJH 20 NNW LNK 10 E TQE 20 WNW FOD 20 N CAV MCW
10 SSW CCY.

 

...NERN KS/SERN NEB/SWRN IA/NWRN MO...
MAIN FOCUS FOR RAINS OVERNIGHT SHOULD SHIFT SWD AS MODELS SHOW
BACKING LOW LEVEL JET AND POOLING OF 1.25 INCH PWS AHEAD OF NEXT
SFC WAVE ORGANIZING ACRS ERN KS OVERNIGHT.  WITH UPR FLOW
CONTINUING TO BACK AHEAD OF UPSTREAM S/WV COMING INTO BASE OF FULL
LATITUDE TROF..PATRN WILL BE ONE CONDUCIVE FOR TRAINING FROM PARTS
OF NE KS/SE NEB NEWD INTO CNTL IA AND WI AS FLOW BECOMES PARALLEL
TO THE SFC FRONT TONIGHT THRU A FAIRLY DEEP LAYER..ALONG WITH GENL
UPR DIFFLUENT FLOW.  PWS ARE NOT EXCEPTIONAL HI HERE..BUT SHOULD
BE SUFFICIENT TO SUPPORT GENL 1 TO 2 INCH RAINS ACRS PORTIONS OF
THE AREA OVERNIGHT WITH ISOLD HEAVIER AMOUNTS PSBL. LATEST
EXPERIMENTAL HI-RES DENSITY PLOTS OF RNFL EXCEEDING BOTH 3 HR AND
6 HR FFG TAKEN FROM HI RES WRF RUN CONTINUE TO SHOW STG SUPPORT
FOR EXCESSIVE THREAT THRU THIS REGION TNGT.

SULLIVAN
$$