THE HYDROMETEOROLOGICAL PREDICTION CENTER

CAMP SPRINGS, MD


STORM SUMMARY MESSAGE



STORM SUMMARY NUMBER 5 FOR CENTRAL U.S. HEAVY RAIN EVENT
NWS HYDROMETEOROLOGICAL PREDICTION CENTER CAMP SPRINGS MD
1000 AM CDT SUN APR 24 2011
 
...A SIGNIFICANT HEAVY RAINFALL EVENT CONTINUES OVER THE MIDDLE
MISSISSIPPI AND OHIO RIVER VALLEYS AND IS EXPECTED TO PERSIST
THROUGH THE MIDDLE OF THE WEEK...
 
FLASH FLOOD WATCHES AND WARNINGS ARE CURRENTLY IN EFFECT IN A
BROAD BAND EXTENDING FROM NORTHEASTERN OKLAHOMA INTO NORTHERN WEST
VIRGINIA.  FLOOD WARNINGS ARE ALSO IN EFFECT ALONG MOST OF THE
MISSISSIPPI AND OHIO RIVERS.
 
FOR A DETAILED GRAPHICAL DEPICTION OF THE LATEST
WATCHES...WARNINGS AND ADVISORIES...PLEASE SEE WWW.WEATHER.GOV

AT 900 AM CDT...A 1000 MB...29.53 INCH...LOW PRESSURE CENTER WAS
LOCATED OVER EASTERN QUEBEC...WITH A TRAILING COLD/STATIONARY
FRONT EXTENDING SOUTHWARD THROUGH NEW ENGLAND AND SOUTHWESTWARD
ACROSS THE OHIO VALLEY...LOWER/MIDDLE MISSISSIPPI VALLEY...AND
INTO THE SOUTHERN PLAINS.  A WAVE OF LOW PRESSURE WAS LOCATED
ALONG THE BOUNDARY...WITH A 1013 MB LOW OVER SOUTHERN ILLINOIS. 
NATIONAL WEATHER SERVICE RADARS AND SURFACE OBSERVATIONS INDICATED
WIDESPREAD MODERATE TO HEAVY RAIN WITH EMBEDDED THUNDERSTORMS
NORTH OF THE FRONT OVER EASTERN OKLAHOMA AND ADJACENT STATES TO
THE NORTH AND EAST.  ANOTHER BATCH OF SIGNIFICANT RAIN AND
THUNDERSTORMS WAS NOTED OVER EASTERN KENTUCKY AND SOUTHERN
OHIO...WITH PATCHY AREAS OF LIGHT TO MODERATE RAIN ELSEWHERE.

...SELECTED STORM TOTAL RAINFALL IN INCHES FROM 700 AM CDT FRI APR
22 THROUGH 900 AM CDT SUN APR 24...

...ARKANSAS...
SPRINGDALE 6 ENE                      8.68                     
ROGERS 2 SSW                          6.65                     
EUREKA SPRINGS 4 NNW                  6.02                     
BENTONVILLE                           3.61                     
HARRISON/BOONE CO. ARPT               3.56                     
FAYETTEVILLE/DRAKE FIELD              3.37                     
ROGERS/CARTER FIELD                   3.04                     
SILOAM SPRINGS/SMITH FIELD            2.28                     
FLIPPIN/MARION CO. RGNL ARPT          2.13                     
MOUNTAIN HOME                         2.07                     

...ILLINOIS...
CARBONDALE 1 WSW                      5.54                     
CHESTER 2 SSE                         4.75                     
CARBONDALE/MURPHYSBORO                3.90                     
CARMI MUNI ARPT                       3.25                     
LAWRENCEVILLE-VINCENNES INTL AP       2.39                     
MOUNT VERNON/OUTLAND AIRPORT          2.37                     
MOUNT_CARMEL                          2.07                     
QUINCY MUNI ARPT                      1.39                     
DECATUR ARPT                          1.21                     
SPRINGFIELD/CAPITAL ARPT              1.13                     

...INDIANA...
HOLLAND 6 NW                          5.59                     
NEW ALBANY 5 NNE                      5.42                     
POSEYVILLE 3 NW                       4.83                     
JEFFERSONVILLE 1 NW                   4.79                     
MILLTOWN 4 WSW                        4.69                     
HUNTINGBURG                           4.41                     
FRANCISCO                             3.83                     
EVANSVILLE RGNL ARPT                  3.70                     
BLOOMINGTON/MONROE CO. ARPT           2.38                     
TERRE HAUTE/HULMAN RGNL ARPT          1.05                     

...KENTUCKY...
EMINENCE                              4.86                     
PEWEE VALLEY 1 WNW                    4.55                     
HENDERSON CITY                        4.30                     
PADUCAH/BARKLEY                       3.48                     
FRANKFORT/CAPITAL CITY ARPT           3.44                     
LOUISVILLE/STANDIFORD                 2.93                     
LOUISVILLE/BOWMAN                     2.81                     
OWENSBORO/DAVIESS CO. APT             2.72                     
LEXINGTON/BLUE GRASS FIELD            2.40                     
FORT KNOX AAF                         2.27                     

...MISSOURI...
POTTERSVILLE 1 NNW                    8.01                     
ELLSINORE 5 WNW                       7.54                     
ALTON 7 N                             6.63                     
DORA 3 NNW                            6.14                     
CAPE GIRARDEAU MUNI ARPT              5.79                     
POPLAR BLUFF MUNI ARPT                4.68                     
WEST PLAINS MUNI ARPT                 4.51                     
ST LOUIS/LAMBERT INTL ARPT            1.45                     
SPRINGFIELD MUNI ARPT                 1.19                     
SPIRIT OF ST LOUIS APT                1.12                     

...OHIO...
CLEVES 3 NNW                          3.64                     
BETHEL 4 W                            3.22                     
CINCINNATI/LUNKIN FIELD               1.75                     
HAMILTON ARPT                         1.42                     
WILMINGTON/CINCINNATI WFO             1.32                     

...OKLAHOMA...
WESTVILLE                             5.79                     
COOKIETOWN 6 NNW                      5.49                     
ADA 4 SE                              2.90                     
MCALESTER REGIONAL ARPT               1.50                     
MUSKOGEE/DAVIS FIELD AIRPORT          1.01                     


THE SURFACE BOUNDARY SITUATED OVER THE OHIO VALLEY AND INTO THE
SOUTHERN PLAINS WILL REMAIN QUASI-STATIONARY THROUGH AT LEAST
MONDAY.  WARM AND HUMID AIR FROM THE GULF OF MEXICO WILL BE
SURGING NORTHWARD...AND COOLER CANADIAN AIR WILL BE MOVING
SOUTHWARD...FOCUSING SIGNIFICANT CONVERGENCE ALONG THE BOUNDARY. 
THIS WILL RESULT IN PERIODS OF MODERATE TO HEAVY RAIN...ALONG WITH
THUNDERSTORMS...WITH ADDITIONAL RAINFALL AMOUNTS RANGING FROM 3 TO
8 INCHES THROUGH WEDNESDAY. ISOLATED HIGHER AMOUNTS ARE POSSIBLE. 
THIS COULD BRING TOTAL RAINFALL AMOUNTS OVER A FOOT FOR PARTS OF
EASTERN OKLAHOMA...NORTHERN ARKANSAS...AND SOUTHERN MISSOURI OVER
THE COURSE OF THE ENTIRE EVENT.  GIVEN THE ALREADY SATURATED
GROUNDS AND SWOLLEN RIVERS...ANY ADDITIONAL RAIN WILL ONLY
EXACERBATE ONGOING FLOODING ISSUES.  IN ADDITION TO THE FLOODING
RAIN...A FEW ROUNDS OF SEVERE THUNDERSTORMS APPEAR LIKELY THROUGH
THE FIRST HALF OF THE WORK WEEK.

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.

HAMRICK




Last Updated: 1042 AM EDT SUN APR 24 2011