The Ohio River rose above flood stage at Shawneetown by the end of the month. Widespread rain accompanied a storm system that passed south of the region on the 26th and 27th.
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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 PAH wrote it up.
The Ohio River rose above flood stage at Shawneetown by the end of the month. Widespread rain accompanied a storm system that passed south of the region on the 26th and 27th.
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 Paducah, KY wrote its last area forecast discussion before the first event at Dec 29, 2:14 AM CST, 1 hour 46 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE PADUCAH KY 214 AM CST THU DEC 29 2011 .SHORT TERM.../TODAY THROUGH SATURDAY/... BENIGN CONDITIONS EXPECTED TO CONTINUE IN THE SHORT TERM. WITH A COUPLE OF EXCEPTIONS...NORTHWEST FLOW ALOFT WILL DOMINATE THE UPPER AIR PATTERN. FOR THE MID MISSISSIPPI VALLEY THIS SPELLS PERIODIC MID AND UPPER LEVEL CLOUDINESS STREAMING SOUTHEAST ACROSS THE AREA. ONE OF THE EXCEPTIONS MENTIONED ABOVE WILL BE A WEAK SHORT WAVE DIVING SOUTHEAST ACROSS THE REGION TODAY. THE SURFACE LOW ASSOCIATED WITH THIS FEATURE WILL REMAIN WELL NORTH OF OUR REGION...SO IT WILL ONLY SERVE TO TIGHTEN THE PRESSURE GRADIENT MAKING FOR A BIT OF GUSTINESS. THE SECOND EXCEPTION WILL BE A SHARP SHORT WAVE STREAKING SOUTHEAST ACROSS THE REGION ON FRIDAY. THE SURFACE LOW WITH THIS FEATURE WILL ALSO TRACK NORTH OF OUR REGION BUT WITH THIS DISTURBANCE BEING MORE AGGRESSIVE/STRONGER...MODELS ARE IN BETTER AGREEMENT BRINGING QPF/POPS FARTHER SOUTH...POSSIBLY EVEN BRUSHING THE EXTREME NORTHEAST SECTIONS OF OUR CWA. WILL LEAVE DRY FOR NOW...BUT SUBSEQUENT SHIFTS MAY HAVE TO ADD SCHC POPS THERE. OTHERWISE...WITH THE SUN PERIODICALLY POPPING OUT LONG ENOUGH TO WARM THE LOWER LEVELS OF THE ATMOSPHERE...TEMPERATURES WILL CONTINUE TO RUN ABOVE NORMAL WITH HIGHS IN THE LOW TO MID 50S AND LOWS IN THE UPPER 30S TO LOWER 40S. .LONG TERM.../SATURDAY NIGHT THROUGH NEXT THURSDAY NIGHT/... THE LATEST /00Z THURSDAY/ DETERMINISTIC MODEL RUNS OF THE GFS/ECMWF NUMERICAL GUIDANCE ARE NOW MUCH MORE SIMILAR IN THE TIMING AND AMPLITUDE OF THE UPPER MIDWEST/GREAT LAKES SHORTWAVES IN THE MODIFIED W-NWLY ORIENTED ZONAL FLOW ACROSS THE U.S. THE ECMWF HAS SIGNIFICANTLY REDUCED ITS MERIDIONAL TROUGH AXIS COMPONENT FROM PREVIOUS RUNS...AND ULTIMATELY REDUCING THE AGEOSTROPHIC RESPONSE OF MOISTURE FLUX FROM THE GULF OF MEXICO. DURING THE LAST COUPLE OF DAYS...POPS HAVE BEEN REDUCED IN TOTAL LENGTH IN TIME ON SUNDAY AND SUNDAY EVENING /FROM 18-24 HOURS DOWN TO 12 HOURS/...AS WELL AS A 15-30 PERCENT REDUCTION IN POPS ALTOGETHER. THIS HAS MADE THE ONLY SIGNIFICANT CHANCE OF RAIN IN THE NEXT SEVEN DAYS A MINIMAL ONE AT BEST. WILL NEED TO MONITOR SOUNDINGS/CLOUD COVER FROM SERN TEXAS EARLY THIS WEEKEND TO DETERMINE WHETHER THERE WILL BE ENOUGH LOW LEVEL MOISTURE INFLUX TO WARRANT ANY POPS. THE CANADIAN /GEM/ GUIDANCE WAS CONSIDERED AN OUTLIER IN THIS PACKAGE AND WAS DISCARDED FROM CONSIDERATION FOR POPS/WEATHER. TEMPERATURES AHEAD OF THE FRONTAL PASSAGE LATE THIS WEEKEND REMAIN TRICKY...AS THE DETERMINISTIC GUIDANCE IS STILL SHOWING A SLIGHT COLD BIAS. ATTEMPTS HAVE BEEN MADE TO COUNTERACT THE BIAS...KEEPING MAX TEMPERATURES IN THE MIDDLE AND UPPER 50S BEFORE THE FRONTAL PASSAGE. LITTLE MODIFICATION HAS BEEN MADE TO POST FRONTAL TEMPERATURE REGIME...UNTIL SOUTHERLY WINDS RETURN THE MIDDLE OF NEXT WEEK. A MARKED DRY AIR ADVECTION HAS BEEN NOTED IN THE DEWPOINTS IN THE COLD AIR ADVECTION SCHEME EARLY IN THE WEEK AND WERE LEFT IN PLACE. && .AVIATION... SURFACE LOW PRESSURE WILL PREVAIL FROM THE NORTHERN PLAINS EASTWARD INTO THE GREAT LAKES THROUGH THE TAF PERIOD. THIS WILL KEEP A RATHER TIGHT PRESSURE GRADIENT OVER THE QUAD STATE REGION... RESULTING IN PERSISTENT SOUTH SOUTHWEST WINDS THROUGHOUT THE PERIOD. GENERAL NORTHWEST FLOW ALOFT WILL RESULT IN VFR CONDITIONS OVER THE NEXT 24 HOURS...AS MID AND HIGH CLOUDS STREAM ACROSS THE REGION. && .PAH WATCHES/WARNINGS/ADVISORIES... KY...NONE. MO...NONE. IL...NONE. IN...NONE. && JAP/KES
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE PADUCAH KY 307 AM CST THU DEC 29 2011 ILZ075>078-080>094-INZ081-082-085>088-KYZ001>022-MOZ076-086-087- 100-107>112-114-300915- JEFFERSON-WAYNE IL-EDWARDS-WABASH-PERRY IL-FRANKLIN-HAMILTON- WHITE-JACKSON-WILLIAMSON-SALINE-GALLATIN-UNION IL-JOHNSON-POPE- HARDIN-ALEXANDER-PULASKI-MASSAC-GIBSON-PIKE-POSEY-VANDERBURGH- WARRICK-SPENCER-FULTON-HICKMAN-CARLISLE-BALLARD-MCCRACKEN-GRAVES- LIVINGSTON-MARSHALL-CALLOWAY-CRITTENDEN-LYON-TRIGG-CALDWELL- UNION KY-WEBSTER-HOPKINS-CHRISTIAN-HENDERSON-DAVIESS-MCLEAN- MUHLENBERG-TODD-PERRY MO-BOLLINGER-CAPE GIRARDEAU-WAYNE MO-CARTER- RIPLEY-BUTLER-STODDARD-SCOTT-MISSISSIPPI-NEW MADRID- 307 AM CST THU DEC 29 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHERN ILLINOIS...SOUTHWEST INDIANA...WESTERN KENTUCKY AND SOUTHEAST MISSOURI. .DAY ONE...TONIGHT NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED.
The national radar mosaic for the moment the first event began.
1 flood. Local standard time, as filed.
Minor flooding of low-lying fields occurred along the Ohio River.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Illinois in 2011Every state in 2011This day in weather historyWarnings in Illinois, December 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: 355609.