EXCESSIVE RAINFALL DISCUSSION
NWS HYDROMETEOROLOGICAL PREDICTION CENTER CAMP SPRINGS MD
247 PM EDT TUE MAY 03 2011
 
...VALID 18Z TUE MAY 03 2011 - 00Z THU MAY 05 2011...
...REFERENCE AWIPS GRAPHIC UNDER...DAY 1 EXCESSIVE RAINFALL...
 

SLIGHT RISK OF RAINFALL EXCEEDING FFG TO THE RIGHT OF A LINE FROM
25 NNW CWHQ CWPD 15 S CWQV 10 W CWQO 20 NW CWZS 25 NE CWZS
30 N CZCR 10 N CZCR 30 SSW CZCR 25 SE CWIY 10 SW PQI 35 SW PQI
30 N MLT 15 WNW MLT 20 WSW MLT 15 ESE GNR 15 S GNR 30 SSW GNR
40 NW WVL 10 NE BML HIE 20 N LEB RUT 10 ESE GFL SCH 20 SW SCH
45 N MSV 30 NNW MSV 25 NNE AVP 15 SE SEG 35 W CXY 25 SSE AOO
25 SSW AOO 15 SSE JST 10 NE JST 20 SSW FIG 10 NNE FIG 30 ESE BFD
15 WSW ELZ 15 W DSV 10 SSE ROC 30 S CWQP 25 NNE FZY 25 ESE GTB
25 WSW SLK 20 SSW CMCW 10 WNW CWIZ 25 NNW CWHQ.

MODERATE RISK OF RAINFALL EXCEEDING FFG TO THE RIGHT OF A LINE
FROM
15 S CWIG 10 SSE CWST 30 SSE CWNH 25 W CERM CERM 10 E CERM
10 WNW CYSL 15 W CAR 40 W PQI 65 NNW MLT 45 N GNR 25 NNW GNR
25 W GNR 50 W GNR 35 ESE CYSC 25 SE CYSC 30 N 1V4 20 NE MVL MVL
10 WNW MVL 10 SE CMGB 20 SSE CMSC 15 S CWIG.

 
NO MAJOR CHGS TO THE PREVIOUS ISSUANCE..WITH THE POTNL FOR SOME
FLOODING FM PTNS OF THE NRN MID ATLC STATES INTO NEW ENG THIS PD. 
A COUPLE AREAS OF SFC LOW PRES WL LIFT NNEWD FM THE NRN MID ATLC
STATES INTO NEW ENG AHD OF A SLO MOVG H5 TROF.  ENHANCED LIFT
VCNTY OF THESE SFC LOWS SHLD HELP FOCUS MORE SIGNIFICANT RAINS FM
NRN PA NNEWD INTO WRN ME..AS A CONTD DECENT LLJ BRINGS IN GULF AND
WRN ATLC MSTR AND PWS POOL TO GTR THAN 1.25 INCHES VCNTY OF THE
FNTL BNDRY.  LRG SCALE LIFT WL ALSO BE SUPPLIED BY FAVORABLE RT
ENTRANCE REGION UPR JET DYNAMICS.  END RESULT SHLD BE A BAND OF
HVY TO PSBLY ISOLD EXCESSIVE RAINS IN WHAT WL BE A RATHER LONG
DURATION EVENT..WITH SOME 1-2+ INCH RNFL AMTS XPCD.  CONTD TO
INDICATE A MDT RISK OF FLOODING POTNL WHERE FFG VALUES WERE RATHER
LOW FM NERN NY STATE INTO NWRN ME.

TERRY
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