A powerful low pressure system moved east-northeast across central Illinois. Isolated severe thunderstorms developed ahead of a cold front that trailed south from the low across southern Illinois.
Every event with a place to put it. Tap one for its entry below.
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.
A powerful low pressure system moved east-northeast across central Illinois. Isolated severe thunderstorms developed ahead of a cold front that trailed south from the low across southern Illinois. These storms produced hail along with isolated reports of gusty winds.
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 Apr 11, 2:08 PM CST, 1 hour 2 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE PADUCAH KY 308 PM CDT WED APR 11 2007 .SHORT TERM /TONIGHT THROUGH FRIDAY NIGHT/... WEAK BOUNDARIES THIS AFTERNOON TRIGGERED SOME ISOLATED CONVECTION. THE PRIMARY SYNOPTIC FRONT HAS BECOME VERY DIFFUSE...BUT 19Z METARS INDICATE A STRONG DEW POINT GRADIENT IN THE WABASH VALLEY. DEW POINTS ARE IN THE MID 50S AHEAD OF THE BOUNDARY...AND IN THE UPPER 30S FROM KMVN TO KMDH. PER SWOMCD 0457 FROM THE SPC...LOW TOPPED SUPERCELLS ARE POSSIBLE AHEAD OF THE BOUNDARY. THE BOUNDARY IS MOVING STEADILY EAST AND WILL EXIT THE FORECAST AREA BY 00Z. IN THE WAKE OF THE FRONT...WRAPAROUND CLOUDS AND LIGHT RAIN ARE ROTATING EAST ACROSS MISSOURI. THIS PRECIP IS ROTATING AROUND THE 500 MB LOW LOCATED NEAR THE IOWA/ILLINOIS BORDER. LATEST RADAR TRENDS SHOW THE SOUTHERN END OF THE RAIN AREA LIFTING NORTH AND DISSIPATING. WILL MAINTAIN CHANCE POPS ACROSS MUCH OF THE FORECAST AREA THROUGH MIDNIGHT. SURFACE HIGH PRESSURE WILL BUILD SOUTHEAST ACROSS THE MID MISSISSIPPI VALLEY ON THURSDAY...THEN BECOME NEARLY STATIONARY OVER THE OHIO VALLEY THURSDAY NIGHT AND FRIDAY. THIS HIGH WILL MAINTAIN A DRY LOW LEVEL FLOW THROUGH FRIDAY. DESPITE THE DRY LOW LEVELS AND SURFACE HIGH PRESSURE...MODEL POPS AND QPF ARE AGGRESSIVE IN BRINGING PRECIP ACROSS THE AREA ON FRIDAY. THIS PRECIP APPEARS TO BE ASSOCIATED WITH MOIST MID AND UPPER LEVEL SOUTHWEST FLOW OVERRUNNING THE DRY EASTERLY FLOW. 12Z GFS 850/700 MUCAPES INCREASE TO AROUND 1000 OVER SE MISSOURI BY FRIDAY EVENING. WILL MAINTAIN MENTION OF THUNDER WHERE 12Z GFS INDICATES ELEVATED INSTABILITY FRIDAY. WIDESPREAD RAIN AND ISOLATED THUNDER WILL OVERSPREAD THE ENTIRE AREA EARLY FRIDAY NIGHT. FORCING ASSOCIATED WITH THE APPROACHING STRONG 500 MB CLOSED LOW AND 850 MB LOW LEVEL JET WILL GENERATE PLENTY OF LIFT. A STRONG 850 MB CONVERGENCE ZONE/WARM FRONT WILL SET UP OVER THE FORECAST AREA. MENTION OF THUNDER WILL BE DROPPED NORTH OF THE 850 MB WARM FRONT. HEAVY RAINFALL AMOUNTS FROM 1 TO 2 INCHES LOOK REALISTIC FOR STORM TOTALS. WILL CONTINUE TREND OF LOWERING TEMPS THURSDAY NIGHT THROUGH FRIDAY NIGHT. EVAPORATIONAL COOLING DUE TO INITIALLY VERY DRY AIR... COMBINED WITH PERSISTENT EAST TO NORTHEAST FLOW...WILL INHIBIT MUCH IN THE WAY OF WARMING. && .LONG TERM /SATURDAY THROUGH WEDNESDAY/... SATURDAY NOW LOOKS TO BE A WET AND CHILLY DAY AS THE DEEPENING SURFACE LOW PASSES ACROSS TENNESSEE. ALTHOUGH THE MODELS ARE IN VERY GOOD AGREEMENT ON THE PATH OF THE LOW...SIGNIFICANT TIMING DIFFERENCES PERSIST. THE 00Z ECMWF IS VERY SLOW...PLACING THE LOW CENTER NEAR BNA ON SATURDAY EVENING. THE 12Z GFS JUMPS THE LOW PRESSURE CENTER ALL AROUND THE TENNESSEE VALLEY ON SATURDAY. THE 00Z GFS ENSEMBLES APPEAR TO BE A GOOD COMPROMISE AND MATCH THE OFFICIAL HPC FORECAST PRETTY CLOSELY. THIS TRACK TAKES THE LOW CENTER FROM AROUND KMEM AT 12Z SATURDAY EAST TO THE SMOKY MOUNTAINS BY 00Z. BASED ON THAT LOW TRACK...WIDESPREAD RAIN WILL OCCUR ON SATURDAY. THE PRECIP MAY NOT COMPLETELY END UNTIL THE SHARP 500 MB TROUGH AXIS PASSES OVERHEAD LATER SATURDAY NIGHT. POPS WILL BE RAISED FOR BOTH PERIODS. GFS BOUNDARY LAYER TEMPS ARE IN THE MID 30S ACROSS MUCH OF THE AREA DURING THE HEAVIEST MODELLED PRECIP ON SATURDAY. THIS WARRANTS LOWERING TEMPS BELOW MOS GUIDANCE. MOS HIGHS ARE TYPICALLY TOO WARM WITH WIDESPREAD PRECIP AND NORTH WINDS. SOME POSSIBILITY OF A MIX WITH WET SNOW EXISTS KMVN AREA AND POINTS NORTH AND WEST EARLY SATURDAY MORNING. THIS DOES NOT APPEAR A SIGNIFICANT ENOUGH POSSIBILITY TO MENTION IN FORECAST AT THIS TIME. AFTER THE DEPARTURE OF THE LOW...MAIN CONCERNS ARE THE COVERAGE OF POST FRONTAL LOW CLOUDS AND TEMPERATURES. THE DEEP LAYER FLOW IN THE WAKE OF THE SYSTEM WILL NOT BE VERY CYCLONIC. THIS SHOULD MITIGATE THE POTENTIAL FOR WIDESPREAD LOW CLOUDINESS SATURDAY NIGHT AND SUNDAY. GRADUAL CLEARING WILL BE FORECAST FROM WEST TO EAST LATE SATURDAY NIGHT AND SUNDAY. COLD HIGH PRESSURE WILL BUILD SLOWLY EAST SUNDAY INTO MONDAY...CROSSING THE FORECAST AREA MONDAY NIGHT. WHILE THERE HAS BEEN QUITE A BIT OF SEE SAWING LATELY...OVERALL THE GFS HAS TRENDED COLDER OVER THE PAST 24 HOURS. BASED ON THIS TREND...WILL LOWER TEMPS A LITTLE FURTHER. OVERNIGHT LOWS ARE STILL FORECAST TO REMAIN ABOVE FREEZING...ALTHOUGH SOME FROST IS POSSIBLE WHEN AND IF WINDS DIE OFF VERY EARLY NEXT WEEK. A MODERATING TREND IS EXPECTED BY MID WEEK. GFS MOS WARMS THINGS UP A LITTLE TOO QUICKLY GIVEN THAT THE SURFACE HIGH WILL NOT BE EAST OF THE REGION UNTIL WEDNESDAY. WHILE SOME AIR MASS MODIFICATION WILL OCCUR...SUCH A FAST WARMUP WILL BE DIFFICULT WITH A NORTH TO NORTHWEST WIND FLOW. FORECAST WILL BE A FEW DEGREES LOWER THAN 12Z GFS MOS. CHANCE OF PRECIP WILL RETURN ON WEDNESDAY ONCE A CLOSED LOW OVER THE SOUTHWESTERN STATES GETS KICKED EASTWARD. LATEST MODEL CONSENSUS IS THE SYSTEM WILL TRACK ACROSS THE DEEP SOUTH...KEEPING MOST OF THE INSTABILITY AND MOISTURE CLOSER TO THE GULF COAST. && .PAH WATCHES/WARNINGS/ADVISORIES... KY...NONE. MO...NONE. IL...NONE. IN...NONE. && MY
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE PADUCAH KY 503 AM CDT WED APR 11 2007 ILZ075>078-080>094-INZ081-082-085>088-KYZ001>022-MOZ076-086-087- 100-107>112-114-121015- 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- 503 AM CDT WED APR 11 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHERN ILLINOIS...SOUTHWEST INDIANA...WESTERN KENTUCKY AND SOUTHEAST MISSOURI. .DAY ONE...TODAY AND TONIGHT THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS MAINLY THIS AFTERNOON INTO THIS EVENING ALONG AND EAST OF A LINE FROM MOUNT VERNON ILLINOIS...TO WEST FRANKFORT...TO EDDYVILLE KENTUCKY...AND NORTH OF A LINE FROM EDDYVILLE KENTUCKY TO ELKTON. THE MAIN HAZARDS WILL BE DAMAGING WINDS AND LARGE HAIL...WITH AN ISOLATED TORNADO POSSIBLE. MINOR FLOODING WILL CONTINUE ALONG THE LOWER WABASH RIVER. REFER TO THE LATEST FLOOD STATEMENTS FOR MORE DETAILS. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY ISOLATED THUNDERSTORMS ARE POSSIBLE FRIDAY AND FRIDAY NIGHT. SEVERE THUNDERSTORMS ARE NOT EXPECTED AT THIS TIME. HOWEVER...HEAVY RAINFALL IS POSSIBLE FRIDAY AND FRIDAY NIGHT. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE REQUESTED THIS AFTERNOON AND EVENING ACROSS SOUTHEAST ILLINOIS...SOUTHWEST INDIANA AND THE PENNYRILE REGION OF WEST KENTUCKY. RST
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PADUCAH KY 1146 AM CDT WED APR 11 2007 ILZ075>078-080>094-INZ081-082-085>088-KYZ001>022-MOZ076-086-087- 110>112-114-112000- 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-STODDARD-SCOTT- MISSISSIPPI-NEW MADRID- INCLUDING THE CITIES OF...MOUNT VERNON...FAIRFIELD...ALBION... MOUNT CARMEL...PINCKNEYVILLE...WEST FRANKFORT...MCLEANSBORO... CARMI...CARBONDALE...MURPHYSBORO...HERRIN...HARRISBURG... SHAWNEETOWN...JONESBORO...VIENNA...GOLCONDA...ELIZABETHTOWN... CAIRO...MOUND CITY...METROPOLIS...FORT BRANCH...PETERSBURG... POSEYVILLE...EVANSVILLE...BOONVILLE...ROCKPORT...HICKMAN... CLINTON...BARDWELL...WICKLIFFE...PADUCAH...MAYFIELD...SMITHLAND... BENTON...MURRAY...MARION...EDDYVILLE...CADIZ...PRINCETON... MORGANFIELD...DIXON...MADISONVILLE...HOPKINSVILLE...HENDERSON... OWENSBORO...CALHOUN...GREENVILLE...ELKTON...PERRYVILLE... MARBLE HILL...CAPE GIRARDEAU...JACKSON...BLOOMFIELD...SIKESTON... CHARLESTON...NEW MADRID 1146 AM CDT WED APR 11 2007 ...GUSTY WINDS BETWEEN 30 AND 40 MPH POSSIBLE THIS AFTERNOON... FOR THOSE TRAVELING ACROSS WESTERN KENTUCKY...SOUTHWEST INDIANA ...SOUTHERN ILLINOIS AND EXTREME SOUTHEAST MISSOURI THIS AFTERNOON...BE AWARE THAT LOCAL WIND GUSTS BETWEEN 30 AND 40 MPH WILL BE POSSIBLE DURING THE AFTERNOON HOURS. THIS MAY CAUSE DIFFICULTY FOR THOSE PERSONS DRIVING HIGH PROFILE VEHICLES...SUCH AS TRACTOR TRAILERS AND RECREATIONAL VEHICLES. THE MAJORITY OF THE WINDS WILL BE BLOWING IN FROM THE SOUTHWEST...AND WILL LIKELY AFFECT DRIVERS FOLLOWING NORTH...SOUTH ORIENTED ROADWAYS. FOR RESIDENTS OF THE QUAD STATE REGION...THE GUSTY WINDS MAY CAUSE SMALL BRANCHES TO BREAK OFF. DISEASED OR WEAKENED TREES MAY ALSO FALL DUE TO THE WINDS. LOOSE OBJECTS LEFT OUTDOORS MAY ALSO BE TOSSED AROUND. SMITH
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PADUCAH KY 155 PM CDT WED APR 11 2007 ILZ075>078-080>094-INZ081-082-085>088-KYZ001>022-MOZ076-086-087- 100-107>112-114-112200- 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- INCLUDING THE CITIES OF...MOUNT VERNON...FAIRFIELD...ALBION... MOUNT CARMEL...PINCKNEYVILLE...WEST FRANKFORT...MCLEANSBORO... CARMI...CARBONDALE...MURPHYSBORO...HERRIN...HARRISBURG... SHAWNEETOWN...JONESBORO...VIENNA...GOLCONDA...ELIZABETHTOWN... CAIRO...MOUND CITY...METROPOLIS...FORT BRANCH...PETERSBURG... POSEYVILLE...EVANSVILLE...BOONVILLE...ROCKPORT...HICKMAN... CLINTON...BARDWELL...WICKLIFFE...PADUCAH...MAYFIELD...SMITHLAND... BENTON...MURRAY...MARION...EDDYVILLE...CADIZ...PRINCETON... MORGANFIELD...DIXON...MADISONVILLE...HOPKINSVILLE...HENDERSON... OWENSBORO...CALHOUN...GREENVILLE...ELKTON...PERRYVILLE... MARBLE HILL...CAPE GIRARDEAU...JACKSON...PIEDMONT...VAN BUREN... DONIPHAN...POPLAR BLUFF...BLOOMFIELD...SIKESTON...CHARLESTON... NEW MADRID 155 PM CDT WED APR 11 2007 ...LOCAL WIND GUSTS WINDS UP TO 45 MPH LIKELY THIS AFTERNOON... AN INTENSE LOW PRESSURE SYSTEM...CENTERED OVER WEST CENTRAL ILLINOIS...WILL CONTINUE TO GENERATE GUSTY SOUTHWEST TO WEST WINDS OVER THE QUAD STATE REGION THIS AFTERNOON. LOCAL WIND GUSTS BETWEEN 40 AND 45 MPH WILL BE POSSIBLE THIS AFTERNOON...ESPECIALLY IN A CORRIDOR FROM POPLAR BLUFF AND NEW MADRID MISSOURI...ONWARD TO MARION ILLINOIS AND MURRAY KENTUCKY...THEN NORTHEAST TO CARMI ILLINOIS TO OWENSBORO KENTUCKY. AT 112 PM...A 45 MPH WIND GUST WAS MEASURED BY THE EMERGENCY MANAGEMENT AGENCY IN RIPLEY COUNTY IN SOUTHEAST MISSOURI. OTHERWISE...LOOK FOR WIDESPREAD WIND GUSTS BETWEEN 25 AND 35 MPH TO PERSIST THROUGH DUSK ACROSS THE REMAINDER OF SOUTHWEST INDIANA...SOUTHERN ILLINOIS...SOUTHEAST MISSOURI AND WESTERN KENTUCKY. FOR THOSE TRAVELING TODAY...BE AWARE THAT THESE WINDS MAY CAUSE DIFFICULTY FOR THOSE PERSONS DRIVING HIGH PROFILE VEHICLES...SUCH AS TRACTOR TRAILERS AND RECREATIONAL VEHICLES. THE MAJORITY OF THE WINDS WILL BE BLOWING IN FROM THE SOUTHWEST AND WEST...AND WILL LIKELY AFFECT DRIVERS FOLLOWING NORTH...SOUTH ORIENTED ROADWAYS. FOR RESIDENTS OF THE QUAD STATE REGION...THE GUSTY WINDS MAY CAUSE SMALL BRANCHES TO BREAK OFF. DISEASED OR WEAKENED TREES MAY ALSO FALL DUE TO THE WINDS. LOOSE OBJECTS LEFT OUTDOORS WILL ALSO BE TOSSED AROUND. IN RARE INSTANCES...THE WINDS MAY LEAD TO BRIEF INTERRUPTION IN ELECTRIC POWER TO RESIDENCES OR BUSINESSES. THESE GUSTY WINDS WILL GRADUALLY LESSEN OVERNIGHT. SMITH
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PADUCAH KY 344 PM CDT WED APR 11 2007 INZ086-112200- VANDERBURGH- INCLUDING THE CITY OF...EVANSVILLE 344 PM CDT WED APR 11 2007 ...PEA SIZE HAIL LIKELY THROUGH 4 PM ACROSS VANDERBURGH COUNTY IN SOUTHWEST INDIANA... A SMALL CLUSTER OF THUNDERSTORMS...CAPABLE OF ONE QUARTER UP TO ONE HALF INCH HAIL...WILL CONTINUE TO MOVE NORTHEAST AROUND 45 MPH ACROSS VANDERBURGH COUNTY...INCLUDING THE EVANSVILLE METROPOLITAN AREA THROUGH 4 PM. THESE STORMS SHOULD EXIT THE COUNTY BY 4 PM. HOWEVER...A FEW THUNDERSTORMS CAPABLE OF PRODUCING SMALL HAIL WILL CONTINUE TO DEVELOP ALONG THE OHIO RIVER FROM SOUTHEAST ILLINOIS AND NORTHWEST KENTUCKY THROUGH 5 PM. THESE THUNDERSTORMS SHOULD LESSEN IN COVERAGE AND INTENSITY AFTER 5 PM. SMITH
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PADUCAH KY
355 PM CDT WED APR 11 2007
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0352 PM HAIL 1 S OWENSBORO 37.74N 87.12W
04/11/2007 M0.88 INCH DAVIESS KY EMERGENCY MNGR
NICKLE SIZE HAIL REPORTED JUST SOUTH OF COMMUNITY.
&&
SMITTYPRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PADUCAH KY
401 PM CDT WED APR 11 2007
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0400 PM HAIL MASONVILLE 37.67N 87.03W
04/11/2007 M0.75 INCH DAVIESS KY EMERGENCY MNGR
PENNY SIZE HAIL REPORTED.
&&
SMITTYPRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PADUCAH KY
409 PM CDT WED APR 11 2007
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0400 PM NON-TSTM WND DMG OWENSBORO 37.76N 87.12W
04/11/2007 DAVIESS KY EMERGENCY MNGR
SEMI OVERTURNED AT INTERSECTION OF HWY 231 AND HWY 60 ON
SOUTHEAST SIDE OF TOWN. NEAR HILL CREST GOLF COURSE.
&&
SMITTYThe Evansville,IN radar (KVWX), 69 km away, was scanning. The volume nearest the first event began at 21:07 UTC.
2 thunderstorm wind, 2 hail. Local standard time, as filed.
A large section of shingles was blown off a four-year-old home.
Penny to quarter size hail was reported with the storm. The penny-size hail fell in Paradise, with quarter-size hail in Boonville.
Three utility poles were snapped. A tree and numerous branches were blown down.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Indiana in 2007Every state in 2007This day in weather historyWarnings in Indiana, April 2007
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: 15937, 15739, 15738, 15740.