STORM SUMMARY NUMBER 01 FOR HEAVY RAINFALL EVENT ACROSS THE LOWER
MISSISSIPPI/TENNESSEE/OHIO VALLEYS
NWS HYDROMETEOROLOGICAL PREDICTION CENTER CAMP SPRINGS MD
1000 AM CDT SAT MAY 01 2010
 
...HEAVY SHOWERS AND THUNDERSTORMS CONTINUE TO ROLL THROUGH
WESTERN TENNESSEE AND KENTUCKY...

FLOOD AND FLASH FLOOD WATCHES ARE IN EFFECT FROM THE NORTHEASTERN
LOUISIANA UP THROUGH EASTERN MISSOURI AND INTO MUCH OF THE OHIO
RIVER VALLEY.

WITHIN THE FLOOD AND FLASH FLOOD WATCH AREA...AN AREA OF FLASH
FLOOD WARNINGS HAVE BEEN ISSUED ACROSS WESTERN TENNESSEE AND INTO
PORTIONS OF EASTERN ARKANSAS AND NORTHERN MISSISSIPPI.
 
FOR A DETAILED GRAPHICAL DEPICTION OF THE LATEST
WATCHES...WARNINGS AND ADVISORIES...PLEASE SEE WWW.WEATHER.GOV

AT 900 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADARS INDICATED
A STRONG AREA OF SHOWER AND THUNDERSTORM ACTIVITY PUSHING THROUGH
WESTERN TENNESSEE AND MUCH OF KENTUCKY. FARTHER TO THE SOUTH AND
WEST...A NEW CLUSTER OF THUNDERSTORMS WERE DEVELOPING DURING THE
PAST COUPLE OF HOURS ACROSS THE LOWER MISSISSIPPI VALLEY. THIS
COMPLEX OF CONVECTIVE PRECIPITATION WAS DEVELOPING IN ADVANCE OF A
STALLED FRONTAL BOUNDARY WHICH STRETCHED FROM EASTERN TEXAS
NORTHWARD THROUGH THE OZARKS AND UP INTO THE WESTERN GREAT LAKES.
AHEAD OF THIS FRONTAL SYSTEM...A RICH PLUME OF GULF MOISTURE WAS
SURGING NORTHWARD BRINGING ABOVE 70 DEW POINT TEMPERATURES INTO
THE TENNESSEE RIVER VALLEY. THIS ENHANCED AXIS OF MOISTURE HAS
HELPED FUEL MUCH OF THE CURRENT THUNDERSTORM ACTIVITY.

...SELECTED STORM TOTAL RAINFALL IN INCHES FROM 700 PM CDT FRI APR
30 THROUGH 1000 AM CDT SAT MAY 01...

...ARKANSAS...
WEST MEMPHIS MUNI ARPT                5.00                     
LITTLE ROCK 5.4 ENE                   4.67                     
AUSTIN 2.5 SSE                        4.52                     
SEARCY 4.1 SE                         3.69                     
LANDMARK 2.1 SW                       3.50                     
SHERWOOD 1.8 NNW                      3.47                     
MARIANNA 3.1 WNW                      3.07                     
TRUMANN 1.2 WNW                       2.78                     
LOCKESBURG 9.6 NNE                    2.75                     
BALD KNOB 4.2 N                       2.53                     
BLYTHEVILLE 1.9 ENE                   2.49                     
RUSSELLVILLE 7.3 ENE                  2.27                     
BLYTHEVILLE AIRPORT                   2.17                     
LONOKE 1.2 SSW                        2.10                     

...ILLINOIS...
MARION 1.9 W                          2.47                     

...INDIANA...
HOLLAND 6.3 NW                        2.21                     
HUNTINGBURG 6.2 WSW                   2.10                     
CHANDLER 1.1 S                        2.02                     

...KENTUCKY...
HENDERSON 0.4 SSW                     2.17                     
STURGIS 5.4 ENE                       2.14                     

...MISSOURI...
DORA 2.6 NNW                          2.08                     

...MISSISSIPPI...
VAIDEN 4.8 WNW                        3.13                     

...TENNESSEE...
ATOKA 3.2 ESE                         9.46                     
MEDINA 3.1 SE                         8.16                     
JACKSON 4.9 NW                        7.78                     
BARTLETT 3.6 N                        7.20                     
RIPLEY 2.8 SE                         6.75                     
CLARKSBURG 5.6 E                      5.10                     
NEW JOHNSONVILLE 1.0 SSE              4.76                     
CAMDEN 4.5 NE                         4.43                     
GADSDEN 4.9 SSE                       4.20                     
MEMPHIS 5.5 ENE                       3.27                     
HURRICANE MILLS 1.5 W                 3.23                     
DYERSBURG MUNI ARPT                   2.34                     


THE WEATHER PATTERN WILL NOT CHANGE SIGNIFICANTLY TODAY AS THE
SURFACE BOUNDARY WILL REMAIN QUASI-STATIONARY ACROSS EAST TEXAS
AND UP THROUGH THE OZARKS. AHEAD OF THE SYSTEM...GULF MOISTURE
WILL CONTINUE TO BE STEERED UP INTO THE TENNESSEE/OHIO VALLEYS
WHICH WILL ULTIMATELY FUEL MORE HEAVY SHOWERS AND THUNDERSTORMS.
THROUGH SUNDAY MORNING...RAINFALL AMOUNTS OF 3 TO 5 INCHES WILL BE
COMMONPLACE ACROSS THE LOWER MISSISSIPPI VALLEY...TENNESSEE...AND
LOWER OHIO VALLEYS. IT IS POSSIBLE THAT STORM TOTALS MAY APPROACH
10 TO 15 INCHES OVER LOCALIZED AREAS.

THE NEXT STORM SUMMARY WILL BE ISSUED BY THE HYDROMETEOROLOGICAL
PREDICTION CENTER AT 400 PM CDT. PLEASE REFER TO YOUR LOCAL
NATIONAL WEATHER SERVICE OFFICE FOR ADDITIONAL INFORMATION ON THIS
EVENT.

RUBIN-OSTER