STORM SUMMARY NUMBER 6 FOR CENTRAL U.S. HEAVY RAIN EVENT
NWS HYDROMETEOROLOGICAL PREDICTION CENTER CAMP SPRINGS MD
400 PM CDT SUN APR 24 2011
 
...A SIGNIFICANT HEAVY RAINFALL EVENT CONTINUES OVER THE OHIO AND
MIDDLE TO LOWER MISSISSIPPI RIVER VALLEYS AND IS EXPECTED TO
PERSIST THROUGH THE MIDDLE OF THE WEEK...
 
A TORNADO WATCH IS IN EFFECT ACROSS NORTHERN ARKANSAS. A SEVERE
THUNDERSTORM WATCH IS IN EFFECT ACROSS PORTIONS OF CENTRAL AND
EASTERN OKLAHOMA AND NORTH CENTRAL TEXAS.
 
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 300 PM CDT...A STATIONARY FRONT WAS DRAPED ACROSS MUCH OF THE
CENTRAL AND EASTERN UNITED STATES...STRETCHING FROM TEXAS
NORTHEASTWARD INTO NEW ENGLAND. SEVERAL SURFACE LOWS WERE LOCATED
ALONG THIS FRONT...THE STRONGEST OF WHICH WAS A 1008 MB...29.77
INCH...LOW LOCATED OVER EXTREME SOUTHERN OKLAHOMA.  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 THE WESTERN OHIO VALLEY...WITH PATCHY
AREAS OF LIGHT TO MODERATE RAIN ELSEWHERE.

...SELECTED STORM TOTAL RAINFALL IN INCHES FROM 700 AM CDT FRI APR
22 THROUGH 300 PM CDT SUN APR 24...

...ARKANSAS...
SPRINGDALE 6 ENE                      8.68                     
EUREKA SPRINGS 4 NNW                  6.02                     
ALPENA                                5.85                     
LEAD HILL                             4.37                     
BENTONVILLE                           4.24                     
BERRYVILLE 5 NW                       4.09                     
HARRISON/BOONE CO. ARPT               3.99                     
FAYETTEVILLE/DRAKE FIELD              3.97                     
ROGERS/CARTER FIELD                   3.04                     
SILOAM SPRINGS/SMITH FIELD            2.81                     

...ILLINOIS...
CARBONDALE 1 WSW                      5.54                     
BUSH 2 ESE                            5.08                     
MURPHYSBORO 2 SW                      4.95                     
CHESTER 2 SSE                         4.75                     
OLD SHAWNEETOWN                       4.42                     
PLUMFIELD                             4.17                     
CARMI MUNI ARPT                       3.26                     
MOUNT VERNON/OUTLAND AIRPORT          2.77                     
LAWRENCEVILLE-VICENNES INTL AP        2.40                     
MOUNT CARMEL                          2.07                     

...INDIANA...
PALMYRA 4 ESE                         5.73                     
STENDAL                               5.68                     
HOLLAND 6 NW                          5.59                     
NEW ALBANY 5 NNE                      5.42                     
HUNTINGBURG                           3.78                     
EVANSVILLE RGNL ARPT                  3.72                     
BLOOMINGTON/MONROE CO. ARPT           2.40                     

...KENTUCKY...
EMINENCE                              4.86                     
LA GRANGE 2 NNE                       4.61                     
PEWEE VALLEY 1 WNW                    4.55                     
HENDERSON CITY                        4.36                     
DAM 49 UNION                          4.15                     
PADUCAH/BARKLEY                       3.85                     
FRANKFORT/CAPITAL CITY ARPT           3.73                     
LOUISVILLE/STANDIFO                   3.38                     
OWENSBORO/DAVIESS CO. APT             2.84                     
LEXINGTON/BLUE GRASS FIELD            2.61                     

...MISSOURI...
POTTERSVILLE 1 NNW                    8.01                     
ELLSINORE 5 WNW                       7.54                     
ALLEY SPRINGS (RANGER STN)            7.23                     
ALTON 7 N                             6.63                     
CAPE GIRARDEAU MUNI ARPT              6.29                     
ZALMA 4 E                             6.21                     
POPLAR BLUFF MUNI ARPT                5.52                     
WEST PLAINS MUNI ARPT                 5.15                     
ST LOUIS/LAMBERT INTL ARPT            1.60                     

...OHIO...
CLEVES 3 NNW                          3.64                     
BETHEL 4 W                            3.22                     
CINCINNATI/LUNKIN FIELD               1.86                     
ASHTABULA CO. ARPT                    1.71                     
HAMILTON ARPT                         1.61                     
TOLEDO                                1.37                     
PORT COLUMBUS INTL AIRPORT            1.24                     

...OKLAHOMA...
WALTERS 1 ENE                         6.12                     
WESTVILLE                             5.79                     
COOKIETOWN 6 NNW                      5.49                     
BUNCH 1 N                             3.74                     
MUSKOGEE/DAVIS FIELD AIRPORT          2.22                     
MCALESTER REGIONAL ARPT               1.60                     
STILLWATER MUNI ARPT                  1.53                     

...WEST VIRGINIA...
HUNTINGTON/TRI-STATE ARPT             2.32                     


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 RAINFALL AMOUNTS RANGING FROM 3 TO 8 INCHES
THROUGH WEDNESDAY. ISOLATED HIGHER AMOUNTS ARE POSSIBLE.  THE
HIGHEST TOTALS ARE EXPECTED TO BE OVER THE MIDDLE TO LOWER
MISSISSIPPI RIVER VALLEY.  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 1000 PM CDT. PLEASE REFER TO YOUR LOCAL
NATIONAL WEATHER SERVICE OFFICE FOR ADDITIONAL INFORMATION ON THIS
EVENT.

SOLTOW