EXCESSIVE RAINFALL DISCUSSION
NWS HYDROMETEOROLOGICAL PREDICTION CENTER CAMP SPRINGS MD
922 PM EDT MON JUN 07 2010
 
...VALID 03Z TUE JUN 08 2010 - 00Z WED JUN 09 2010...
...REFERENCE AWIPS GRAPHIC UNDER...DAY 1 EXCESSIVE RAINFALL...
 

SLIGHT RISK OF RAINFALL EXCEEDING FFG TO THE RIGHT OF A LINE FROM
25 WNW 1H2 15 NNW SET 45 ENE COU 35 SE CDJ 30 S ICL 25 ESE LNK
10 ENE GRI 10 N BVN 25 NNE OFK 10 SW SLB 15 WSW MIW 30 SW VTI
10 E MUT 15 WSW C75 15 ENE TIP 20 N HUF 10 N RSV 25 WNW 1H2.

MODERATE RISK OF RAINFALL EXCEEDING FFG TO THE RIGHT OF A LINE
FROM
15 SE IKV MPZ 15 SSE MQB 20 NNE PPQ 15 SSW UIN 25 SW UIN
15 S IRK 20 SSW LWD 15 E ICL 20 N LNK 10 E OLU 30 WNW TQE DNS
20 NW DSM 15 SE IKV.

 
OTHER THAN EXPANDING THE PRIOR OUTLOOK AREA ON A LATITUDINAL BASIS
TO ACCOUNT FOR UNCERTAINTY AS MESOSCALE FORCING BECOMES
INVOLVED..THERE IS LITTLE CHANGE FM THE PREVIOUS OUTLOOK OR
REASONING.   

SHRTWV ENERGY ASOCTD WITH A MID/UPR LVL TROF..WHICH IS ALREADY
FIRING CNVCTN INVOF WRN NE..WILL BE RESPONSIBLE FOR DRIVING THE
DEVELOPMENT OF SFC LOW PRESSURE ACRS THE CNTRL PLAINS ALONG WITH A
RAPID INCREASE IN WAA/MSTR TRANSPORT OVERNIGHT. STG ISENTROPIC
LIFT INVOF AND NORTHEAST OF A WARM FRONT IS EXPECTED TO RESULT IN
A SIGNIFICANT AMT OF ORGANIZED AND SUSTAINABLE CONVECTION ACRS THE
N CNTRL PLAINS AND THEN OVERNIGHT INTO MUCH OF THE MIDWEST.  A
STRENGTHENING S/SWLY LLJ FLOW...REACHING 40 TO 50 KTS AND POSSIBLY
HIGHER WITH NOCTURNAL ENHANCEMENT WILL DRIVE A POOL OF VERY
UNSTABLE AIR INTO THE AFOREMENTIONED BNDRY...AND WITH PWATS
INCREASING BY TUE MORNING TO LOCALLY OVER 2 INCHES ACRS THE
MIDWEST. THIS WILL SUPPORT VERY HVY RAINFALL RATES...WHICH COULD
REACH 2 IN/HR WITHIN THE OUTLOOK AREA. TOTALS THROUGH 00Z/WED ARE
EXPECTED TO REACH AS HIGH AS 2 TO 4 INCHES...WITH ISOLATED HEAVIER
AMTS POSSIBLE. 

KORTY
$$