Alert archive / Tennessee / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 168, NWS Nashville, TN

December 23, 20154 counties in Tennessee

NWS Nashville, TN issued this severe thunderstorm warning at Dec 23, 2015, 10:50 PM CST for 4 counties in Tennessee. It was in force for 25 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Dec 23, 2015, 10:50 PM CST (04:50 UTC)
Expired: Dec 23, 2015, 11:15 PM CST
In force: 25 min
Issued by: NWS Nashville, TN
Area: Storm-based polygon
Tornado: Possible
Hail: 0.75 in
Wind: 60.0 mph

Counties Clay County, TN, Fentress County, TN, Overton County, TN, Pickett County, TN

The radar

The Nashville radar (KOHX), 123 km from the middle of the area, began a volume at 04:54 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Dec 23, 10:33 PM CST	Tornado Watch	SPC	5 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 4.8 hours before the alert went out and 130 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 26 J/kg
Mixed-layer CIN: -82 J/kg
Mixed-layer LCL: 624 m above ground
0-6 km bulk shear: 89 kt
0-1 km storm-relative helicity: 598 m²/s²
0-3 km storm-relative helicity: 698 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.7

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, 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 this severe thunderstorm warning went out at Dec 23, 9:37 PM CST, 1 hour 13 minutes earlier.

Area forecast discussion, Dec 23, 9:37 PM CST, 1 hour 13 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NASHVILLE TN
937 PM CST WED DEC 23 2015

.UPDATE...
FOR EVENING DISCUSSION.

&&

.DISCUSSION...BUSY EVENING...FINALLY GETTING AROUND TO AN UPDATE.
STORMS ARE NOW FOCUSED AHEAD OF A SURFACE TROUGH. DYNAMICS HAVE
QUICKLY DECREASED AS LOW PRESSURE CENTER HAS LIFTED WELL TO THE
NORTH...BUT SHEAR KEEPS SOME ROTATION GOING WITH STORMS AHEAD OF
THE TROUGH. SOME TRAINING HAS DEVELOPED ALONG THE STRETCHING
BOUNDARY...WITH SOME LOCALIZED FLOODING POSSIBLE ALONG THE BAND.

WATCH HAS BEEN DROPPED FOR BNA AND OUR NORTHWEST COUNTIES.

LATE NIGHT HOURS WILL BE MILD WITH AT LEAST SCATTERED
SHOWERS...BUT SEVERE THREAT WILL DROP OFF IN THE LATE NIGHT
HOURS.

&&

.AVIATION...
00Z TAF DISCUSSION.

MAIN CONCERN DURING THE TAF PERIOD IS THE LINE OF STORMS MOVING
INTO MIDDLE TENNESSEE CURRENTLY. TIMED OUT THE STORMS BASED ON
RADAR AND HRRR AND INCLUDED TEMPO LINE AT CKV AND BNA FOR STRONG
WINDS WHICH WILL BE POSSIBLE WITH THE STRONGER STORMS. FRONT WILL
PUSH THROUGH BUT LOW CLOUDS MAY STICK AROUND PARTICULARLY FARTHER
EAST FOR BNA AND CSV. CSV WILL STAY SOCKED IN WITH IFR AND MVFR
THROUGHOUT THE TAF PERIOD. WINDS WILL RELAX AND SHIFT WEST BEHIND
THE LINE OF STORMS BEFORE RETURNING TO THE SOUTH TOMORROW.

&&

.OHX WATCHES/WARNINGS/ADVISORIES...NONE.

&&

SHORT TERM/AVIATION........13
LONG TERM..................13

Hazardous weather outlook, Dec 23, 4:55 PM CST, 5 hours 55 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE NASHVILLE TN
455 PM CST WED DEC 23 2015

TNZ005>011-023>034-056>066-075-077>080-093>095-242300-
STEWART-MONTGOMERY-ROBERTSON-SUMNER-MACON-CLAY-PICKETT-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-
455 PM CST WED DEC 23 2015

...TORNADO WATCH IS IN EFFECT FOR PORTIONS OF MIDDLE TENNESSEE
UNTIL 11 PM CENTRAL...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF MIDDLE
TENNESSEE.

.DAY ONE...TONIGHT

A MODERATE RISK FOR SEVERE THUNDERSTORMS HAS BEEN ISSUED FOR
MIDDLE TN THIS AFTERNOON AND TONIGHT.

STRONG TO SEVERE THUNDERSTORMS ARE POSSIBLE THIS AFTERNOON AND
TONIGHT FOR ALL OF MIDDLE TENNESSEE. DAMAGING WIND GUSTS...LARGE
HAIL AND TORNADOES ARE ALL POSSIBLE. LOCALLY HEAVY RAINFALL COULD
ALSO RESULT IN ISOLATED FLASH FLOODING IN SOME AREAS. THE MAIN
SEVERE WEATHER THREAT IS EXPECTED BETWEEN 3PM AND 8PM ALONG AND
WEST OF THE I-65 CORRIDOR...AND BETWEEN 8PM AND 12AM EAST OF I-65.

SOME OF THIS SEVERE THUNDERSTORM ACTIVITY IS POSSIBLE DURING HOURS
OF DARKNESS. PLEASE REMAIN WEATHER AWARE AS WE MOVE INTO THE
EVENING HOURS.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

MORE SHOWERS AND THUNDERSTORMS ARE EXPECTED ON CHRISTMAS DAY INTO
CHRISTMAS NIGHT...AND A FEW OF THESE STORMS MAY ALSO BE STRONG
WITH GUSTY WINDS AND SMALL HAIL.

AN INTENSE COLD FRONT MOVING THROUGH THE MID STATE ON MONDAY INTO
MONDAY NIGHT WILL BRING YET ANOTHER ROUND OF SHOWERS AND STRONG
THUNDERSTORMS TO THE AREA...WITH GUSTY WINDS AND LOCALIZED
FLOODING POSSIBLE.

TOTAL RAINFALL AMOUNTS THROUGH TUESDAY DECEMBER 29 ARE EXPECTED
TO REACH 3 TO 6 INCHES ACROSS MIDDLE TENNESSEE. THESE RAINFALL
AMOUNTS MAY CAUSE SUBSTANTIAL RISES ON AREA RIVERS AND LAKES.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS REQUESTED THIS AFTERNOON INTO TONIGHT.

SPOTTER THUNDERSTORM REPORTING CRITERIA...
TORNADO
FUNNEL CLOUD
FLOODING
HAIL >= 1/2 INCH
WINDS > 50 MPH
STRUCTURAL DAMAGE
TREES OR POWER LINES DOWN

In the hours before

Local storm report, Dec 23, 9:54 PM CST, 56 minutes before

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Local storm report, Dec 23, 9:55 PM CST, 55 minutes before

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Local storm report, Dec 23, 10:04 PM CST, 46 minutes before

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE NASHVILLE TN
1004 PM CST WED DEC 23 2015

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0620 PM     TSTM WND DMG     4 E LINDEN              35.61N  87.77W
12/23/2015                   PERRY              TN   911 CALL CENTER

            LIKELY TORNADO DAMAGE TO HOMES NEAR HWY 412 E AND
            HURRICANE CREEK RD

0625 PM     TSTM WND DMG     8 ESE LINDEN            35.57N  87.71W
12/23/2015                   PERRY              TN   LAW ENFORCEMENT

            *** 2 FATAL *** 2 DEATHS IN HOUSE BETWEEN LINDEN AND
            HOHENWALD

0626 PM     TSTM WND DMG     N MOUNT PLEASANT        35.55N  87.19W
12/23/2015                   MAURY              TN   EMERGENCY MNGR

            REPORTS OF POWER LINES DOWN AND TREES DOWN AND ROOF
            DAMAGE IN MT PLEASANT.

0634 PM     TSTM WND DMG     8 N HOHENWALD           35.67N  87.56W
12/23/2015                   HICKMAN            TN   TWITTER

            TREES DOWN. REPORT RECEIVED VIA TWITTER.

0645 PM     TSTM WND DMG     12 NW DICKSON           36.20N  87.53W
12/23/2015                   DICKSON            TN   EMERGENCY MNGR

            TWO REPORTS OF TREES DOWN ONE AT LEAST 2 FEET IN
            DIAMETER AND 60 CUSTOMERS WITHOUT POWER NEAR HWY 49 WEST
            AND HWY 46 NORTH.

0716 PM     TSTM WND DMG     11 WSW COLLINWOOD       35.12N  87.92W
12/23/2015                   WAYNE              TN   EMERGENCY MNGR

            WAYNE COUNTY POST OFFICE DESTROYED IN LUTTS. MULTIPLE
            HOMES DAMAGED AND POWERLINES DOWN. MULTIPLE INJURIES
            REPORTED. REPORT WAS RELAYED BY LAWRENCE CO EMA. LIKELY
            TORNADO.

0730 PM     TSTM WND DMG     12 NW LAWRENCEBURG      35.37N  87.49W
12/23/2015                   LAWRENCE           TN   EMERGENCY MNGR

            DAMAGE TO HOME ON NAPIER RD. FIRE AND RESCUE
            RESPONDING. POSSIBLE TORNADO.

0735 PM     TSTM WND DMG     13 N LAWRENCEBURG       35.43N  87.34W
12/23/2015                   LAWRENCE           TN   EMERGENCY MNGR

            MOBILE HOME HEAVY DAMAGED ON 175 RICE ROAD.

0738 PM     TSTM WND DMG     8 N ETHRIDGE            35.44N  87.30W
12/23/2015                   LAWRENCE           TN   EMERGENCY MNGR

            HOME RECEIVED DAMAGE ON HWY 20 FROM LIKELY TORNADO.

0741 PM     TSTM WND DMG     14 WNW LAWRENCEBURG     35.32N  87.57W
12/23/2015                   LAWRENCE           TN   EMERGENCY MNGR

            HWY 64 BLOCKED AT OVILLA AT LAWRENCE WAYNE COUNTY LINE.
            GUARD RAILS PULLED UP.

0742 PM     TSTM WND DMG     10 NW LAWRENCEBURG      35.35N  87.46W
12/23/2015                   LAWRENCE           TN   EMERGENCY MNGR

            NUMEROUS TREES DOWN 2 FEET IN DIAMETER ON HWY 241 ABOUT
            2 MILES NORTH OF SR 240. POSSIBLE TOR DAMAGE

0746 PM     TSTM WND DMG     7 NW LAWRENCEBURG       35.32N  87.43W
12/23/2015                   LAWRENCE           TN   EMERGENCY MNGR

            TWO HOUSES DESTROYED NEAR SUMMERTOWN. POSSIBLE TOR
            DAMAGE

0752 PM     TSTM WND DMG     14 NNW LAWRENCEBURG     35.43N  87.43W
12/23/2015                   LAWRENCE           TN   EMERGENCY MNGR

            DAMAGE CONCENTRATED ALONG A LINE FROM SR 241 TOWARDS A
            POINT 3 MILES WEST OF SUMMERTOWN. TWENTY PLUS STRUCTURES
            DAMAGED OR DESTROYED.

0904 PM     FLASH FLOOD      MOUNT PLEASANT          35.55N  87.19W
12/23/2015                   MAURY              TN   EMERGENCY MNGR

            LOCALIZED FLOODING OF LOW LYING AREAS IN MOUNT
            PLEASANT.

0912 PM     FLASH FLOOD      COLUMBIA                35.62N  87.05W
12/23/2015                   MAURY              TN   EMERGENCY MNGR

            LOCALIZED FLOODING IN COLUMBIA AND OTHER LOW LYING
            AREAS AROUND THE COUNTY.

0921 PM     FLASH FLOOD      7 NNW LAWRENCEBURG      35.34N  87.39W
12/23/2015                   LAWRENCE           TN   EMERGENCY MNGR

            1 FOOT OF WATER OVER ROAD ON STATE ROUTE 242... 2 MILES
            SOUTH OF HIGHWAY 240.

0928 PM     TSTM WND DMG     MURFREESBORO            35.85N  86.39W
12/23/2015                   RUTHERFORD         TN   AMATEUR RADIO

            SIGN BLOWN DOWN AT ARBYS IN MURFREESBORO... AT OLD FORT
            PARKWAY AND I-24.

&&

EVENT NUMBER OHX1500811 OHX1500816 OHX1500821 OHX1500813 OHX1500823
OHX1500812 OHX1500814 OHX1500818 OHX1500815 OHX1500820 OHX1500817
OHX1500819 OHX1500822 OHX1500826 OHX1500827 OHX1500825 OHX1500824

MDAVIS

Local storm report, Dec 23, 10:15 PM CST, 35 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NASHVILLE TN
1015 PM CST WED DEC 23 2015

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0626 PM     TSTM WND DMG     8 ENE LINDEN            35.66N  87.71W
12/23/2015                   HICKMAN            TN   911 CALL CENTER

            TREES ACROSS THE ROAD ON CANE CREEK RD IN
            PLEASANTVILLE.

&&

EVENT NUMBER OHX1500828

MR3

Special weather statement, Dec 23, 10:22 PM CST, 28 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
1022 PM CST WED DEC 23 2015

TNZ030>032-064-240445-
PUTNAM TN-DE KALB TN-SMITH TN-JACKSON TN-
1022 PM CST WED DEC 23 2015

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN SMITH...SOUTHERN
JACKSON...NORTH CENTRAL DE KALB AND NORTHWESTERN PUTNAM COUNTIES
UNTIL 1045 PM CST...

AT 1021 PM CST...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM
NEAR GORDONSVILLE...OR 10 MILES SOUTHEAST OF CARTHAGE...MOVING
NORTHEAST AT 55 MPH.

WIND GUSTS UP TO 50 MPH WILL BE POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
GAINESBORO...BAXTER...GORDONSVILLE...HICKMAN...CENTER HILL LAKE...
EDGAR EVANS STATE PARK AND GRANVILLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD
TO PONDING OF WATER ON ROADWAYS. DO NOT DRIVE YOUR VEHICLE THROUGH
FLOODED ROADWAYS.

&&

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM CST FOR CENTRAL
TENNESSEE.

LAT...LON 3631 8549 3630 8549 3630 8548 3629 8545
      3628 8547 3628 8546 3626 8545 3626 8543
      3625 8543 3624 8542 3604 8590 3617 8596
      3639 8560
TIME...MOT...LOC 0421Z 238DEG 49KT 3612 8586

AL

Local storm report, Dec 23, 10:36 PM CST, 14 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NASHVILLE TN
1036 PM CST WED DEC 23 2015

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1025 PM     HAIL             1 E MURFREESBORO        35.85N  86.38W
12/23/2015  E0.88 INCH       RUTHERFORD         TN   BROADCAST MEDIA

            NICKEL SIZE HAIL ON EAST SIDE OF MURFREESBORO.

&&

EVENT NUMBER OHX1500829

AL

The office that day

Everything else NWS Nashville, TN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Dec 23, 6:05 PM CST	Special Weather Statement	OHX	Houston, Humphreys	25 min
Dec 23, 6:07 PM CST	Tornado Warning	OHX	Humphreys	23 min
Dec 23, 6:13 PM CST	Tornado Warning	OHX	Hickman, Lewis, Perry	32 min
Dec 23, 6:30 PM CST	Severe Thunderstorm Warning	OHX	Dickson, Houston, Humphreys, Montgomery	30 min
Dec 23, 6:35 PM CST	Tornado Warning Tornado observedConsiderable damage threat	OHX	Hickman, Maury	25 min
Dec 23, 6:48 PM CST	Tornado Warning	OHX	Wayne	27 min
Dec 23, 6:50 PM CST	Severe Thunderstorm Warning	OHX	Cheatham, Dickson, Montgomery, Robertson	25 min
Dec 23, 6:56 PM CST	Tornado Warning	OHX	Cheatham, Dickson, Montgomery, Robertson	34 min
Dec 23, 6:58 PM CST	Tornado Warning	OHX	Hickman, Williamson	32 min
Dec 23, 7:08 PM CST	Tornado Warning Tornado observedConsiderable damage threat	OHX	Lawrence, Lewis, Wayne	37 min
Dec 23, 7:08 PM CST	Tornado Warning	OHX	Cheatham, Davidson, Williamson	37 min
Dec 23, 7:12 PM CST	Tornado Warning	OHX	Wayne	33 min
Dec 23, 7:24 PM CST	Special Weather Statement	OHX	Robertson	36 min
Dec 23, 7:30 PM CST	Tornado Warning	OHX	Davidson, Sumner, Wilson	30 min
Dec 23, 7:30 PM CST	Tornado Warning	OHX	Lawrence, Lewis, Maury	30 min
Dec 23, 7:33 PM CST	Tornado Warning	OHX	Lawrence, Wayne	27 min
Dec 23, 7:45 PM CST	Special Weather Statement	OHX	Sumner	45 min
Dec 23, 7:53 PM CST	Special Weather Statement	OHX	Cheatham, Dickson	37 min
Dec 23, 7:58 PM CST	Tornado Warning	OHX	Giles, Lawrence, Maury	32 min
Dec 23, 8:09 PM CST	Tornado Warning	OHX	Maury, Williamson	36 min
Dec 23, 8:12 PM CST	Severe Thunderstorm Warning	OHX	Cheatham, Davidson	21 min
Dec 23, 8:17 PM CST	Tornado Warning	OHX	Cheatham, Davidson, Dickson	11 min
Dec 23, 8:24 PM CST	Tornado Warning	OHX	Marshall, Maury, Rutherford, Williamson	36 min
Dec 23, 8:33 PM CST	Special Weather Statement	OHX	Wayne	27 min
Dec 23, 8:44 PM CST	Severe Thunderstorm Warning	OHX	Lawrence, Lewis, Wayne	17 min
Dec 23, 8:50 PM CST	Tornado Warning	OHX	Rutherford	25 min
Dec 23, 9:11 PM CST	Special Weather Statement	OHX	Williamson	34 min
Dec 23, 9:15 PM CST	Flash Flood Warning	OHX	Lawrence, Lewis, Maury, Wayne	3 hr
Dec 23, 10:22 PM CST	Special Weather Statement	OHX	Jackson	23 min
Dec 23, 10:24 PM CST	Tornado Warning	OHX	DeKalb, Jackson, Putnam, Smith	36 min
Dec 23, 10:53 PM CST	Special Weather Statement	OHX	DeKalb, Putnam	37 min
Dec 23, 11:01 PM CST	Severe Thunderstorm Warning	OHX	DeKalb, Overton, Putnam, White	29 min
Dec 23, 11:13 PM CST	Severe Thunderstorm Warning	OHX	Fentress, Overton, Pickett	32 min
Dec 23, 11:25 PM CST	Special Weather Statement	OHX	Fentress	35 min

Nearby

Severe Thunderstorm Warnings in Tennessee, 2015 Every severe thunderstorm warning in 2015

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.