Flooding from the heavy rains on the 28th of February continued across portions of the area into the 1st and 2nd of March.
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Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS ILN wrote it up.
Flooding from the heavy rains on the 28th of February continued across portions of the area into the 1st and 2nd of March.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Wilmington, OH wrote its last area forecast discussion before the first event at Feb 28, 9:55 PM EST, 2 hours 5 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE WILMINGTON OH 955 PM EST MON FEB 28 2011 .SYNOPSIS... HIGH PRESSURE AND DRY AIR WILL MOVE IN TONIGHT AND TUESDAY. THE WEATHER WILL REMAIN DRY WHEN A WEAK COLD FRONT CROSSES THE REGION EARLY ON WEDNESDAY. HIGH PRESSURE OVER THE GREAT LAKES WILL ALLOW DRY CONDITIONS TO PERSIST ON THURSDAY. && .NEAR TERM /UNTIL 6 AM TUESDAY MORNING/... HIGH PRESSURE WILL CONTINUE TO BUILD INTO OUR REGION OVERNIGHT. STRATOCUMULUS CLOUDS ACRS THE SRN CWFA WILL CONTINUE TO ERODE AND/OR SHIFT TO THE SOUTH/SOUTHEAST. THUS...ALL LOCATIONS SHOULD HAVE MOSTLY CLEAR SKIES BEFORE MORNING. CLEARING SKIES...DIMINISHING WINDS AND DRIER AIR FILTERING INTO THE REGION WILL ALLOW TEMPERATURES TO FALL INTO THE 20S. && .SHORT TERM /6 AM TUESDAY MORNING THROUGH WEDNESDAY NIGHT/... HIGH PRESSURE WILL MOVE EAST OF THE AREA ON TUESDAY...KEEPING DRY WEATHER IN PLACE. A WEAK FRONT TRAILING A LOW IN SOUTHERN CANADA WILL APPROACH ON TUESDAY NIGHT AND TRAVEL INTO THE REGION EARLY WEDNESDAY. THERE MAY BE INCREASING CLOUDS WITH THE FRONT...BUT CURRENT INDICATIONS ARE THAT MOISTURE WILL BE LACKING AND THERE WILL BE NO PRECIPITATION ASSOCIATED WITH THE FRONT. HIGH PRESSURE WILL PUSH ACROSS THE GREAT LAKES BY LATE WEDNESDAY AS THE FRONT WASHES OUT NEAR THE OHIO RIVER...WITH DRY WEATHER PERSISTING THROUGH WEDNESDAY NIGHT. TEMPERATURES WILL BE NEAR NORMAL...WITH HIGHS IN THE 40S BOTH DAYS. LOWS WILL MAINLY BE IN THE MID AND UPPER 20S TUESDAY NIGHT...THEN IN THE LOW AND MID 20S WEDNESDAY NIGHT AFTER MODEST COLD ADVECTION ASSOCIATED WITH THE DRY FRONT. && .LONG TERM /THURSDAY THROUGH MONDAY/... UPPER LEVEL ZONAL FLOW PATTERN TO UNDERGO AMPLIFICATION WITH A TROF DEVELOPING OVER THE PLAINS BY THE END OF THE WEEK. ON THE BACK SIDE OF RETREATING SFC HIGH PRESSURE DRY WEATHER TO CONTINUE ON THURSDAY WITH TEMPERATURES MODERATING ABOVE NORMAL. MOISTURE INCREASES AS A SLOW MOVING FRONT APPROACHES THE REGION FROM THE WEST ON FRIDAY AND WAA CLOUDS AND PRECIP DEVELOPING INTO THE REGION. GFS AND CMC SOLNS HAVE INDICATED A MORE PHASED UPPER AIR SOLUTION AND THEREFORE ARE MORE PROGRESSIVE WITH THIS SYSTEM. LATEST 12Z ECMWF SOLN HAS NOW TRENDED MORE PROGRESSIVE. HAVE SPREAD CHC POPS INTO ILN/S FA ON FRIDAY IN FAVORABLE WAA SETUP AND THEN RAMP THE POPS UP TO LIKELY SAT AND SAT NIGHT WHEN THE FRONT IS EXPECTED TO PUSH INTO THE REGION. GFS IS STILL FASTEST PUSHING PRECIP EAST OF ILN/S FA EARLY SUNDAY. DUE TO AMPLIFIED FLO WL TREND TOWARD LATEST ECMWF...KEEPING A CHC GOING SUNDAY AND THEN DRYING OUT THE REGION EARLY MONDAY. MOST OF THE PRECIP WL BE RAIN...BUT AS COLDER AIR IS FILTERED IN HAVE A BRIEF PERIOD OF SNOW PRIOR TO ENDING. THE MAIN THREAT FROM THIS SYSTEM IS ADDITIONAL FLOODING CONCERNS. THIS SYSTEM HAS THE POTENTIAL TO PRODUCE A 1 TO 3 INCH RAINFALL DUE TO ITS SLOW PROGRESSION. WILL CONTINUE TO HIGHLIGHT THIS POTENTIAL IN THE HWO PRODUCT. AS FOR TEMPERATURES...HAVE GENERALLY SIDED AT OR WARMER THAN MEX GUID THRU THE PERIOD. && .AVIATION /03Z TUESDAY THROUGH SATURDAY/... SURFACE HIGH PRESSURE EXTENDING FROM THE WESTERN GREAT LAKES TO THE SOUTHERN PLAINS THIS EVENING WILL MOVE EAST TO THE LOWER GREAT LAKES AND OHIO VALLEY REGION BY 12Z. THIS HIGH WILL THEN MOVE EAST OF THE REGION ON WEDNESDAY. LINGERING MVFR STRATOCUMULUS DECK SHOULD SCOUR OUT FROM NORTH TO SOUTH OVER THE NEXT 4 TO 6 HOURS AS HIGH PRESSURE...DRIER AIR AND SUBSIDENCE TAKE OVER. THEREAFTER...SKIES WILL BE CLEAR...WITH PERHAPS SOME HIGH LEVEL CLOUDINESS SPILLING INTO THE REGION AFTER 18Z. GIVEN RECENT RAINFALL...THERE IS SOME CONCERN FOR FOG DEVELOPMENT LATE TONIGHT. THE PROS FOR FOG DEVELOPMENT WILL BE CLEAR SKIES...DIMINISHING WINDS AND LINGERING GROUND MOISTURE. THE MAJOR CON AGAINST FOG WILL BE THE MUCH DRIER AIR MOVING INTO THE REGION. HAVE CONTINUED WITH ONLY A TEMPO MVFR VSBY CONDITION LATE TONIGHT INTO EARLY WEDNESDAY WHERE WINDS WILL DIMINISH THE MOST. OUTLOOK...MVFR CEILINGS AND VISIBILITIES POSSIBLE FRIDAY THROUGH SATURDAY. && .ILN WATCHES/WARNINGS/ADVISORIES... OH...NONE. KY...NONE. IN...NONE. && SYNOPSIS...CONIGLIO/HICKMAN NEAR TERM...HICKMAN SHORT TERM...CONIGLIO LONG TERM...AR AVIATION...HICKMAN
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE WILMINGTON OH 426 PM EST MON FEB 28 2011 INZ050-058-059-066-073>075-080-KYZ089>100-OHZ026-034-035-042>046- 051>056-060>065-070>074-077>082-088-012130- WAYNE-FAYETTE IN-UNION IN-FRANKLIN IN-RIPLEY-DEARBORN-OHIO- SWITZERLAND-CARROLL-GALLATIN-BOONE-KENTON-CAMPBELL-OWEN-GRANT- PENDLETON-BRACKEN-ROBERTSON-MASON-LEWIS-HARDIN-MERCER-AUGLAIZE-DARKE- SHELBY-LOGAN-UNION OH-DELAWARE-MIAMI-CHAMPAIGN-CLARK-MADISON- FRANKLIN OH-LICKING-PREBLE-MONTGOMERY-GREENE-FAYETTE OH-PICKAWAY- FAIRFIELD-BUTLER-WARREN-CLINTON-ROSS-HOCKING-HAMILTON-CLERMONT-BROWN- HIGHLAND-ADAMS-PIKE-SCIOTO- 426 PM EST MON FEB 28 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL INDIANA...SOUTHEAST INDIANA...NORTHEAST KENTUCKY...NORTHERN KENTUCKY...CENTRAL OHIO...MIAMI VALLEY OF OHIO...SOUTH CENTRAL OHIO...SOUTHWEST OHIO AND WEST CENTRAL OHIO. .DAY ONE...TONIGHT. HEAVY RAIN HAS ENDED ACROSS THE REGION BUT SOME FLOODING MAY PERSIST...WITH SMALL STREAMS AND STANDING WATER GRADUALLY RECEDING TONIGHT. HOWEVER,,,LEVELS ALONG LARGER RIVERS AND STREAMS WILL CONTINUE TO RISE IN RESPONSE TO THE RECENT RAINFALL. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY. A SLOW MOVING WEATHER SYSTEM WILL RESULT IN ANOTHER CHANCE OF SIGNIFICANT RAINFALL FROM LATE FRIDAY INTO THE WEEKEND. THIS HAS THE POTENTIAL TO PRODUCE FURTHER FLOOD PROBLEMS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.
The national radar mosaic for the moment the first event began.
9 flood. Local standard time, as filed.
Basement flooding occurred and roads were flooded during this event. The flooding began at 0538 EST on February 28th and continued until around 0900 EST on March 2nd. Damages during February from this event were around ten-thousand dollars.
Large propane tanks were floating away in the high water. Flooding began around 0322 EST on the 28th of February and continued until 0900 EST on March 2nd. Damage estimates in February were around ten-thousand dollars.
Roads were covered with water due to heavy rainfall in the area and previous snow melt. Flooding began around 0215 EST on February 28th and ended around 0900 EST on March 2nd. Damage estimates from February were around five-thousand dollars.
Roads were closed across the area due to heavy rainfall and previous snow melt. Flooding began around 0754 EST on February 28th and ended around 0900 on March 2nd. Damage estimates for February were around five-thousand dollars.
Numerous roads were underwater during the event due to heavy rain and previous snow melt. Flooding began around 0811 EST on February 28th and ended around 1100 EST on March 1st. Damages estimates from February were around five-thousand dollars.
High water was reported on roads and some roads were closed due to heavy rainfall and previous snow melt. Flooding began around 0749 EST on February 28th and continued until around 1100 EST on March 1st. Damage estimates during February were around five-thousand dollars.
Flooding is a continuation from earlier flash flooding on February 28th. Several roads were impassible, evacuations occurred in a trailer park, and basements were flooded due to the precipitation. Flooding began around 0645 EST on February 28th and continued until around 0900 EST on March 2nd. Damage estimates during February were around one-hundred thousand dollars.
Flooding is a continuation from earlier flash flooding in the area on February 28th. Several roads were impassible and evacuations occurred in a trailer park due to the precipitation. Flooding began around 0645 EST on February 28th and continued until around 0900 EST on March 2nd. Damage estimates during February were around twenty-five thousand dollars.
Flooding is a continuation from earlier flash flooding in the area. Several roads were impassible and hundreds of evacuations occurred due to the precipitation. Flooding began around 0645 EST on February 28th and continued until around 0900 EST on March 2nd. Damage estimates during February were around one-hundred thousand dollars.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Ohio in 2011Every state in 2011This day in weather historyWarnings in Ohio, March 2011
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 282069, 282073, 282076, 282080, 282082, 282085, 282098, 282103, 282113.