A deep low pressure system tracked through the northern Ohio Valley during the morning of Friday December 1st. This system produced gradient winds that were sustained at 40 to 45 mph, and gusts in excess of 50 mph for much of the region.
Every event with a place to put it; 30 filed by county or forecast zone are drawn at its center, in a lighter ring. 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 ILN wrote it up.
A deep low pressure system tracked through the northern Ohio Valley during the morning of Friday December 1st. This system produced gradient winds that were sustained at 40 to 45 mph, and gusts in excess of 50 mph for much of the region.
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 Dec 1, 6:56 AM EST, 1 hour 34 minutes earlier.
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE WILMINGTON OH
656 AM EST FRI DEC 1 2006
.AVIATION /12Z-12Z/...
THE SFC LOW WAS LOCATED OVER INDIANA THIS MORNING WITH NUMEROUS
SHOWERS ACROSS AREAS EAST OF I-75. AS THE LOW PROGRESSES NE...PCPN
WILL SCATTERED. SW WINDS WILL GUST WILL BE NEAR/ABOVE 40 KTS AT
TIMES 16Z-23Z...DROPPING NEAR 20 KTS IN THE EVENING AS THE LOW
MOVES NORTH OF THE REGION.
GENERALLY...VFR CIGS WILL DROP TO MVFR OVER THE NEXT FEW HOURS AND REMAIN
MVFR THROUGH 06Z...THEN SCATTERING OUT SW TO NE. MVFR
VISIBILITIES WITH -SHSN ARE POSSIBLE AFTER 18Z AND THROUGH THE
EARLY EVENING.
&&
.PREV DISCUSSION... /ISSUED 532 AM EST FRI DEC 1 2006/
SHORT TERM /TODAY THROUGH SUNDAY/...
PRIMARY LOW PRESSURE SYSTEM IS CURRENTLY OVER SOUTHERN ILLINOIS
WITH A SECONDARY LOW STARTING TO DEVELOP IN SOUTHERN INDIANA. THE
ENTIRE SYSTEM IS QUICKLY MOVING NORTH NORTHEAST. WARM SECTOR IS
SPREADING NORTH EARLY THIS MORNING. THEN STRONG COLD AIR ADVECTION
WILL OCCUR ON THE BACK SIDE OF THE LOW WHICH SHOULD RESULT IN
EXCELLENT MIXING WITH SOME WIND GUSTS UP TO 60 MPH PARTICULARLY
FROM MID MORNING THROUGH MID AFTERNOON. WIDESPREAD PRECIPITATION
WILL COME TO AN END THIS MORNING AS DRY SLOT MOVES IN. BUT SHOULD
STILL SEE SCATTERED RAIN AND SNOW SHOWERS DURING THE AFTERNOON AND
THEN DIMINISH BY EVENING.
HIGH PRESSURE THEN BUILDS INTO THE REGION WITH A REINFORCING PUSH
OF COLD AIR ON SUNDAY.
PREV DISCUSSION...
/ISSUED 342 PM EST THU NOV 30 2006/
LONG TERM /SUNDAY THROUGH THURSDAY/...
LONG WAVE TROUGH OVER EASTERN CONUS WILL PERSIST THROUGH THE PERIOD.
THIS WILL RESULT IN COOL AND MAINLY DRY WEATHER FOR ILN AREA. SUNDAY
WILL BE DRY WITH HIGH PRESSURE BUILDING IN FROM THE WEST. A SHORT
WAVE TROUGH WILL BRING THE CHANCE FOR SNOW SHOWERS TO OUR NORTHERN
COUNTIES SUNDAY NIGHT THROUGH TUESDAY. LAKE ENHANCEMENT MAY COME
INTO PLAY DURING THAT PERIOD. AFTER HIGH PRESSURE AND DRY AIR
OVERSPREADS THE AREA ON WEDNESDAY...A TROUGH OF LOW PRESSURE
TRAVELING NEAR THE GULF COAST MAY THROW SOME MOISTURE INTO THE OHIO
VALLEY IN THE FORM OF SNOW.
TEMPERATURES ARE FORECAST TO BE BELOW NORMAL. UNDERCUT HPC GUIDANCE
SUNDAY NIGHT WHEN AIRMASS IS PROGGED TO BE COLDEST...WITH 1000-850MB
THICKNESS OF 1236M INDICATED AT CVG.
&&
.ILN WATCHES/WARNINGS/ADVISORIES...
OH...HIGH WIND WARNING UNTIL 7 PM EST THIS EVENING FOR OHZ026-034-035-
042>046-051>056-060>065-074.
HIGH WIND WARNING UNTIL 6 PM EST THIS AFTERNOON FOR OHZ070>073-
077>082-088.
KY...HIGH WIND WARNING UNTIL 6 PM EST THIS AFTERNOON FOR KYZ089>100.
IN...HIGH WIND WARNING UNTIL 7 PM EST THIS EVENING FOR INZ050-058-059.
HIGH WIND WARNING UNTIL 6 PM EST THIS AFTERNOON FOR INZ066-073>075-
080.
&&HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE WILMINGTON OH 453 AM EST FRI DEC 1 2006 INZ050-058-059-OHZ026-034-035-042>046-051>056-021000- WAYNE-FAYETTE IN-UNION IN-HARDIN-MERCER-AUGLAIZE-DARKE-SHELBY- LOGAN-UNION OH-DELAWARE-MIAMI-CHAMPAIGN-CLARK-MADISON-FRANKLIN OH- LICKING- 453 AM EST FRI DEC 1 2006 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EAST CENTRAL INDIANA...CENTRAL OHIO...MIAMI VALLEY OF OHIO AND WEST CENTRAL OHIO. .DAY ONE...TODAY AND TONIGHT STRONG LOW PRESSURE WILL DEVELOP AND MOVE ACROSS THE REGION THIS MORNING. A HIGH WIND WARNING IS IN EFFECT FROM 7 AM THIS MORNING TO 7 PM EST THIS EVENING. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED. INZ066-073>075-080-KYZ089>100-OHZ060>065-070>074-077>082-088- 021000- FRANKLIN IN-RIPLEY-DEARBORN-OHIO-SWITZERLAND-CARROLL-GALLATIN- BOONE-KENTON-CAMPBELL-OWEN-GRANT-PENDLETON-BRACKEN-ROBERTSON- MASON-LEWIS-PREBLE-MONTGOMERY-GREENE-FAYETTE OH-PICKAWAY- FAIRFIELD-BUTLER-WARREN-CLINTON-ROSS-HOCKING-HAMILTON-CLERMONT- BROWN-HIGHLAND-ADAMS-PIKE-SCIOTO- 453 AM EST FRI DEC 1 2006 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST INDIANA...NORTHEAST KENTUCKY...NORTHERN KENTUCKY...CENTRAL OHIO... MIAMI VALLEY OF OHIO...SOUTH CENTRAL OHIO AND SOUTHWEST OHIO. .DAY ONE...TODAY AND TONIGHT STRONG LOW PRESSURE WILL DEVELOP AND MOVE ACROSS THE REGION THIS MORNING. A HIGH WIND WARNING IS IN EFFECT FROM 7 AM THIS MORNING TO 7 PM EST THIS EVENING. TORNADO WATCH 872 IS ALSO IN EFFECT UNTIL 10 AM EST THIS MORNING. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED.
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WILMINGTON OH 440 AM EST FRI DEC 1 2006 KYZ089>096-011045- GRANT KY-BOONE KY-CAMPBELL KY-KENTON KY-PENDLETON KY-GALLATIN KY- CARROLL KY-OWEN KY- 440 AM EST FRI DEC 1 2006 ...A LINE OF STRONG THUNDERSTORMS WILL AFFECT OWEN...CARROLL... GALLATIN...PENDLETON...KENTON...CAMPBELL...BOONE AND GRANT COUNTIES THROUGH 545 AM EST... AT 437 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED STRONG THUNDERSTORMS LOCATED ALONG A LINE EXTENDING FROM EASTERDAY TO 13 MILES SOUTH OF MONTEREY...MOVING NORTHEAST AT 40 MPH. THESE STORMS WILL BE CAPABLE OF PRODUCING WIND GUSTS TO 50 MPH. SOME LOCATIONS THAT WILL BE AFFECTED BY THESE STORMS INCLUDE... WHEATLEY...GRATZ...SQUIRESVILLE...CARSON...MONTEREY...SANDERS... ETHRIDGE...NEW LIBERTY...SPARTA...OWENTON...BROMLEY AND LONG RIDGE. THESE STORMS WILL ALSO BE CAPABLE OF PRODUCING VERY HEAVY RAIN... WHICH MAY FLOOD ROADS...DITCHES AND LOW LYING AREAS. DO NOT DRIVE INTO PLACES WHERE WATER COVERS THE ROAD AND AVOID FLOOD PRONE AREAS.
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WILMINGTON OH 713 AM EST FRI DEC 1 2006 OHZ046-055-056-011330- DELAWARE-FRANKLIN OH-LICKING- INCLUDING THE CITIES OF...DELAWARE...COLUMBUS...NEWARK 713 AM EST FRI DEC 1 2006 ...SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL NOON... A LINE OF SHOWERS JUST WEST OF DELAWARE TO THE WEST SIDE OF COLUMBUS TO JUST TO THE WEST CHILLICOTHE. THIS LINE IS CAPABLE OF PRODUCING WIND GUSTS TO 55 MPH AND WILL AFFECT DELAWARE...COLUMBUS AND CIRCLEVILLE AND CHILLICOTHE BY 730 AM...AND NEWARK...LANCASTER AND LOGAN AROUND 8 AM. WINDS WILL WILL PICK UP LATER THIS MORNING WITH GUSTS 60 MPH BEING POSSIBLE THROUGH THIS EVENING. KYZ100-OHZ064-065-073-074-082-088-011330- LEWIS-PICKAWAY-FAIRFIELD-ROSS-HOCKING-PIKE-SCIOTO- INCLUDING THE CITIES OF...VANCEBURG...CIRCLEVILLE...LANCASTER... CHILLICOTHE...LOGAN...PIKETON...PORTSMOUTH 713 AM EST FRI DEC 1 2006 ...TORNADO WATCH IS IN EFFECT UNTIL 10 AM... A LINE OF SHOWERS JUST WEST OF CHILLICOTHE TO JUST WEST OF PORTSMOUTH. THIS LINE IS CAPABLE OF PRODUCING WIND GUSTS TO 55 MPH AND WILL AFFECT CHILLICOTHE...PIKETON AND PORTSMOUTH BY 730 AM. WINDS WILL WILL PICK UP LATER THIS MORNING WITH GUSTS 60 MPH BEING POSSIBLE THROUGH THIS EVENING. TIPTON
The national radar mosaic for the moment the first event began.
30 high wind. Local standard time, as filed.
Trees and powerlines were blown down countywide. The air handling unit on the roof of a Home Depot was torn off, damaging the store.
Trees and powerlines were blown down countywide. Structures were damaged in Blanchester.
Trees and powerlines were blown down countywide.
Trees and powerlines were also blown down countywide.
Trees and powerlines were blown down countywide. Significant property damage occurred in Vandalia.
Trees and powerlines were blown down countywide.
Trees and powerlines were blown down countywide. An empty tractor trailer overturned, causing minor injuries to the driver.
Trees and powerlines were blown down countywide.
Trees and powerlines were blown down countywide. One person was injured when a tree landed on a car.
Trees and powerlines were blown down countywide.
Trees and powerlines were blown down countywide. A 150 foot section of chain link fence was blown over at the county airport.
Trees and powerlines were blown down countywide. A storefront at Grandin Road was damaged, and a firefighter responding to the scene was injured slightly.
Trees and powerlines were blown down countywide.
Trees and powerlines were blown down countywide. About 5000 households were without power at one point in time.
Trees and powerlines were blown down countywide. At one point in time there was 1000 households without power.
Trees and powerlines were blown down countywide.
Trees and powerlines were blown down near West Union.
Two barns were destroyed. Trees and powerlines were blown down countywide.
Trees and powerlines were blown down countywide. Power was out for several residents in the Portsmouth area.
Trees and power poles were blown down countywide.
Trees and powerlines were blown down countywide.
Trees and powerlines were blown down countywide.
Trees and powerlines were blown down countywide.
Trees were blown down countywide.
Several gusts above 50 mph were recorded. Trees and powerlines were blown down countywide.
Trees and powerlines were blown down across the county. A few tractor trailers were blown over or off the road due to the winds.
Trees and powerlines were blown down countywide.
Three trees were blown across state route 229.
Trees and powerlines were blown down countywide.
Two semi trailers were blown off of the road on state route 31 near Summersville. A power pole was snapped in half.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Ohio in 2006Every state in 2006This day in weather historyWarnings in Ohio, December 2006
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: 8510, 8513, 8297, 8496, 8497, 8295, 8293, 8495, 8505, 8509, 8517, 8512, 8506, 8507, 8508, 8511, 8515, 8516, 8518, 8500, 8494, 8498, 8503, 8499, 8504, 8298, 8514, 8502, 8296, 8501.