Scattered showers and thunderstorms developed throughout Middle Tennessee during the evening hours on December 9 and continued into the morning hours on December 10. One report of wind damage was received from Perry County.
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 OHX wrote it up.
Scattered showers and thunderstorms developed throughout Middle Tennessee during the evening hours on December 9 and continued into the morning hours on December 10. One report of wind damage was received from Perry County.
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 Nashville, TN wrote its last area forecast discussion before the first event at Dec 9, 11:28 PM CST, 17 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE NASHVILLE TN 1128 PM CST SUN DEC 9 2012 .UPDATE...FOR 06Z TAFS. && .AVIATION...LIINES OF CONVECTION ARE IN THE KCKV AREA WITH CONVECTION AHEAD OF THE FRONT IS JUST NOW STARTING TO MOVE INTO THE KBNA AREA. EXPECT MVFR/IFR CIGS/VSBYS INVOF OF CONVECTION. STRONGER CONVECTION IN THIS AREA MAY HAVE GUSTY WINDS AND SIGNIFICANT LOW LEVEL SHEAR/TURBULENCE. ACTIVITY SHOULD MOVE INTO THE KCSV AREA BY 09Z. SHOWERS SHOULD BEGIN TO TAPER OFF BY MID MORNING AT KCKV...MIDDAY AT KBNA AND MID AFTERNOON AT KCSV. AFTER SHOWERS END EXPECT MVFR CIGS WITH VFR VSBYS FOR 2-4 HOURS AND THEN CLEARING AFTER THAT. && .PREV DISCUSSION... /ISSUED 1008 PM CST SUN DEC 9 2012/ MESOSCALE UPDATE... INSTABILITY ACROSS MIDDLE TENNESSEE CONTINUES TO WEAKEN WITH THE LINE OF STORMS NOW ENTERING NORTHWEST MIDDLE TENNESSEE AT 04Z WITH THE COLD FRONT NOT FAR BEHIND. SHOWERS AND ISOLATED STORMS ARE OUT AHEAD OF THE MAIN LINE BY ABOUT 30 MILES. A FEW OF THESE LEADING CELLS COULD BECOME MARGINIALLY STRONG WITH GUSTY WINDS AND HAIL. BEST THERMODYNAMIC INSTABILITY OVER THE NEXT 3 HOURS WILL BE ACROSS SOUTHERN MIDDLE TENNESSEE WHERE A STORM OR TWO COULD ALSO BECOME STRONG. LINE MOVEMENT HAS BEEN ABOUT 25 MILES AN HOUR TO THE EAST WHILE THE INDIVIDUAL STORMS HAVE MOVED OFF TOWARD THE NORTHEAST AT 40 MILES AN HOUR. ALL IN ALL...I CANT RULE OUT AN ISOLATED SEVERE STORM BUT DOESNT LOOK LIKELY AT THIS TIME. BOYD PREV DISCUSSION... /ISSUED 631 PM CST SUN DEC 9 2012/ MESOSCALE UPDATE... 00Z OHX RAOB SHOWING GOOD DIRECTIONAL AND SPEED SHEAR IN THE LOWEST 3K FEET WITH DOPPLER VAD WIND PROFILES SHOWING SSW AT 40KTS AROUND 925 MILLIBARS OVER WESTERN MIDDLE TENNESSEE AND INCREASE TO 50KTS FROM THE SW AT 5K FEET. 00Z OHX RAOB ALSO SHOWS STORM RELATIVE HELICITY AT 417 M2/S2 WITH GOOD TURNING IN LOWEST LEVELS ON HODOGRAPH WITH SWEAT INDEX AT 269. MID STATE CURRENTLY ON EASTERN SIDE OF SURFACE MOIST AXIS THAT EXTENDS UP ALONG THE MISSISSIPPI RIVER NEAR MEMPHIS WHERE DEWPOINTS ARE CURRENTLY IN THE MID 60S. ACTIVITY CURRENTLY IN WESTERN TENNESSEE WILL BEGIN TO SHOW SOME STRENGTHENING IN ISOLATED STORMS AS THEY CONTINUE TO WORK NORTHEAST TOWARD THE TENNESSEE RIVER OVER THE NEXT HOUR OR TWO WITH AN ISOLATED STRONG TO SEVERE STORM NOT OUT OF THE QUESTION FAR WESTERN MIDDLE TENNESSEE NEAR THE TENNESSEE RIVER BETWEEN NOW AND 02Z. MAIN LINE OF CONVECTION IS BACK IN ARKANSAS AND BOOTHEEL OF MISSOURI AT THIS TIME AND WILL CONTINUE TO WORK EASTWARD AT AROUND 20 MPH. THE SOUTH END OF THIS LINE FROM CENTRAL ARKANSAS SOUTHWARD HAS MADE VERY LITTLE EASTWARD PROGRESS SINCE ABOUT 21Z...POSSIBLY DUE TO WEAK WAVES DEVELOPING ALONG THE SOUTH END OF FRONT. BOYD PREV DISCUSSION... /ISSUED 250 PM CST SUN DEC 9 2012/ DISCUSSION... WARM FRONT HAS LIFTED WELL NORTH OF THE CWFA THIS AFTERNOON AND OTHER THAN SOME SHRA ALONG THE KY BORDER THE REGION WAS DRY AND UNSEASONABLY WARM. STRONG COLD FRONT AT 20Z EXTENDED FROM SOUTHERN ILL ACRS ARK INTO NE TX. THIS FEATURE...ACCOMPANIED BY A PERIOD OF VERY STRONG FORCING FOR LIFT..WILL BE OUR PRIMARY WEATHER MAKER IN THE SHORT TERM. DEEP CONVECTION INCLUDING SUPERCELLS WAS INITIATING OVER ARK THIS AFTN IN AN AREA OF HIGH SHEAR AND 1000 J/KG CAPE. OUR REGION WILL NOT SEE THE INSTABILITY THAT AREAS WELL WEST OF THE TN RIVER WILL EXPERIENCE...BUT THERE WILL STILL BE PLENTY OF KINEMATICS ALONG WITH A LITTLE INSTABILITY AS THE FRONT APPROACHES. XPCT A LINEAR MODE TO THE CONVECTION BY THE TIME IT REACHES THE TN RIVER AND SPC HAS OUTLOOKED OUR WESTERN COUNTIES IN A SLIGHT RISK FOR SEVERE WEATHER. GUSTY WIND POTENTIAL SHOULD CONTINUE AS THE LINE PUSHES EAST BUT WE EXPECT A GRADUAL WEAKENING TREND AS IT APPROACHES I-65. STORM TIMING LOOKS LIKE LATE EVE TN RIVER AND AFTER MIDNIGHT CLOSER TO I-65. MUCH COLDER AIR SURGES IN MONDAY AS MSTR PULLS EAST OF THE REGION. WILL HOLD ONTO LOW POPS NEAR THE PLATEAU MONDAY EVENING OTHW XPCT DRY WX THRU THE REST OF THE WORKWEEK AS DEEP RIDGING BUILDS IN. TEMPERATURES ARE VERY TRICK TNGT...ESPLY AT BNA WHERE FROPA WL BE RIGHT AROUND 12Z. RAISED THE MAV SIGNIFICANTLY AT CSV AS FRONT SHUD NOT PASS BEFORE 15Z...OTHW STAYED CLOSE. FOR THE REST OF THE WORK WEEK LEANED CLOSE TO THE HPC NUMBERS. NEXT SYSTEM STILL LOOKS ON TAP FOR THE WEEKEND. HAVE RAISED POPS A LITTLE ON SATURDAY BUT KEPT THEM IN THE CHC CAT FOR NOW. HYDROLOGY... 2 TO 3 INCHES OF RAIN FELL OVER A GOOD DEAL OF THE RED RIVER BASIN SINCE YESTERDAY AND THIS WILL BE THE AREA OF GREATEST HYDROLOGIC CONCERN THIS PERIOD. FOR NOW LOOKS LIKE AROUND AN ADDITIONAL 1 TO 1.5 INCHES OF RAIN WILL FALL AREA-WIDE WHICH GIVEN OUR RECENT DRY CONDITIONS STILL NOT LIKELY TO CAUSE MORE THAN LOCALIZED PROBLEMS. && .OHX WATCHES/WARNINGS/ADVISORIES... NONE. && 18
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE NASHVILLE TN 337 PM CST SUN DEC 9 2012 TNZ005>011-022>034-056>066-075-077>080-093>095-102145- STEWART-MONTGOMERY-ROBERTSON-SUMNER-MACON-CLAY-PICKETT-BENTON- HOUSTON-HUMPHREYS-DICKSON-CHEATHAM-DAVIDSON-WILSON-TROUSDALE- SMITH-JACKSON-PUTNAM-OVERTON-FENTRESS-PERRY-HICKMAN-LEWIS- WILLIAMSON-MAURY-MARSHALL-RUTHERFORD-CANNON-DE KALB-WHITE- CUMBERLAND-BEDFORD-COFFEE-WARREN-GRUNDY-VAN BUREN-WAYNE-LAWRENCE- GILES- 337 PM CST SUN DEC 9 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR MIDDLE TENNESSEE. .DAY ONE...TONIGHT THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FOR AREAS NEAR AND WEST OF A LINE FROM CLARKSVILLE TO CENTERVILLE TO WAYNESBORO. THE MAIN SEVERE WEATHER THREAT IS DAMAGING WINDS BUT A TORNADO CANNOT BE RULED OUT. THE TIMING OF THE PRIMARY SEVERE WEATHER THREAT IS LATER THIS EVENING INTO THE EARLY MORNING HOURS. ELSEWHERE THUNDERSTORMS WILL HAVE THE POTENTIAL TO PRODUCE GUSTY WINDS AND SMALL HAIL PRIMARILY DURING THE OVERNIGHT HOURS. LOCALLY HEAVY RAINFALL IS POSSIBLE AND LOCALIZED FLOODING COULD ALSO OCCUR. THE GREATEST FLOOD THREAT IS IN AREAS NORTH AND WEST OF NASHVILLE WHERE 2 TO 3 INCHES OF RAIN HAS ALREADY FALLEN. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY... THUNDERSTORMS MONDAY MORNING WILL HAVE THE POTENTIAL TO PRODUCE VERY GUSTY WINDS AND LOCALLY HEAVY RAIN IN AREAS ALONG AND NEAR THE PLATEAU. .SPOTTER CALL TO ACTION STATEMENT... REPORTS FROM TRAINED WEATHER SPOTTERS MAY BE NEEDED. SPOTTER THUNDERSTORM REPORTING CRITERIA... TORNADO FUNNEL CLOUD FLOODING HAIL >= 1/2 INCH WINDS > 50 MPH (MEASURED) STRUCTURAL DAMAGE TREES OR POWER LINES DOWN JOHNSTONE
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
946 PM CST SUN DEC 9 2012
TNZ005-006-022-100415-
BENTON-MONTGOMERY-STEWART-
946 PM CST SUN DEC 9 2012
...SIGNIFICANT WEATHER ADVISORY FOR BENTON...MONTGOMERY AND STEWART
COUNTIES...
AT 948 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM 7 MILES SOUTHWEST OF DOVER...MOVING NORTHEAST AT
40 MPH.
PEOPLE IN NORTHERN BENTON...NORTHWESTERN MONTGOMERY AND STEWART
COUNTIES...INCLUDING THE CITY OF DOVER...SHOULD MONITOR THE WEATHER
SITUATION CLOSELY. LISTEN FOR POSSIBLE WARNINGS AND BE PREPARED TO
TAKE APPROPRIATE ACTION SHOULD SEVERE WEATHER THREATEN.
WINDS 40 TO 50 MPH ARE EXPECTED WITH THIS STORM.
LAT...LON 3653 8747 3634 8792 3635 8798 3632 8797
3630 8802 3636 8806 3637 8801 3644 8807
3647 8806 3649 8807 3664 8777 3665 8756
JLMSPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
1027 PM CST SUN DEC 9 2012
TNZ005>007-022>026-100530-
BENTON-CHEATHAM-DICKSON-HOUSTON-HUMPHREYS-MONTGOMERY-ROBERTSON-
STEWART-
1027 PM CST SUN DEC 9 2012
...SIGNIFICANT WEATHER ADVISORY FOR BENTON...CHEATHAM...DICKSON...
HOUSTON...HUMPHREYS...MONTGOMERY...ROBERTSON AND STEWART COUNTIES...
AT 1024 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
A STRONG THUNDERSTORM NEAR BRUCETON...OR 8 MILES SOUTHWEST OF
CAMDEN...MOVING NORTHEAST AT 50 MPH.
WINDS AROUND 40 MPH ARE EXPECTED WITH THIS STORM.
LAT...LON 3609 8822 3665 8729 3664 8716 3646 8688
3584 8811 3595 8823
JLMSPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
1111 PM CST SUN DEC 9 2012
TNZ006>008-022>029-056>062-093>095-100530-
BENTON-CHEATHAM-DAVIDSON-DICKSON-GILES-HICKMAN-HOUSTON-HUMPHREYS-
LAWRENCE-LEWIS-MARSHALL-MAURY-MONTGOMERY-PERRY-ROBERTSON-RUTHERFORD-
SUMNER-TROUSDALE-WAYNE-WILLIAMSON-WILSON-
1111 PM CST SUN DEC 9 2012
...SIGNIFICANT WEATHER ADVISORY FOR BENTON...CHEATHAM...DAVIDSON...
DICKSON...GILES...HICKMAN...HOUSTON...HUMPHREYS...LAWRENCE...LEWIS...
MARSHALL...MAURY...MONTGOMERY...PERRY...ROBERTSON...RUTHERFORD...
SUMNER...TROUSDALE...WAYNE...WILLIAMSON AND WILSON COUNTIES...
AT 1102 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
SHOWERS AND STORMS ACROSS THE WEST HALF OF MIDDLE TENNESSEE. THE
STRONGER STORMS WERE ACROSS PERRY...LEWIS AND MAURY COUNTIES. A
STRONG STORM WAS ALSO NOTED NEAR DICKSON. WIND GUSTS TO 35 MPH CAN
BE EXPECTED IN THE STRONGER STORMS.
LAT...LON 3535 8801 3539 8803 3541 8798 3546 8805
3553 8798 3561 8804 3572 8804 3581 8798
3585 8807 3637 8764 3637 8759 3641 8760
3665 8740 3666 8641 3631 8616 3499 8715
3499 8720
BOYDThe Nashville radar (KOHX), 125 km away, was scanning. The volume nearest the first event began at 05:44 UTC.
1 thunderstorm wind. Local standard time, as filed.
One tree was blown down onto Highway 412 about 9 miles east-southeast of Linden.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Tennessee in 2012Every state in 2012This day in weather historyWarnings in Tennessee, December 2012
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: 424279.