Alert archive / Tennessee / Tornado Warnings in 2018

Tornado Warning 3, NWS Nashville, TN

February 24, 2018Montgomery County, Robertson County, Tennessee

NWS Nashville, TN issued this tornado warning at Feb 24, 2018, 8:57 PM CST for Montgomery County, Robertson County, Tennessee. It was in force for 33 min. 7 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Feb 24, 2018, 8:57 PM CST (02:57 UTC)
Expired
Feb 24, 2018, 9:30 PM CST
In force
33 min
Issued by
NWS Nashville, TN
Area
Storm-based polygon
Tornado
Observed
Damage threat
Considerable
Hail
0.75 in

Counties Montgomery County, TN, Robertson County, TN

The radar

The Ft Campbell radar (KHPX), 25 km from the middle of the area, began a volume at 03:00 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.

What was reported inside it

TimeReportWhereRemark
Feb 24, 9:00 PM CSTTSTM WND DMGClarksville, TNSOME HOMES DAMAGED AND MINOR INJURIES REPORTED IN THE CLARKSVILLE AREA.
Feb 24, 9:00 PM CSTTSTM WND DMGClarksville, TNGROCERY STORE WINDOWS BLOWN OUT AND ROOF DAMAGE AT AUSTIN PEAY STATE UNIVERSITY IN CLARKSVILLE. AUSTIN PEAY/MURRAY STATE GAME IN CLARKSVILLE DELAYED BY SOME MINOR ROOF DAMAGE AND WATER LEAKING ONTO THE ARENA FLOOR.
Feb 24, 9:03 PM CSTTSTM WND DMG3 Ne Clarksville, TNLARGE TREE UPROOTED ON DUNBAR CAVE ROAD.
Feb 24, 9:03 PM CSTTORNADO4 E Clarksville, TN*** 2 INJ *** AN EF2 TORNADO TOUCHED DOWN IN EAST CLARKSVILLE ON DUNBAR CAVE RD THEN MOVED ENE ACROSS I-24 BEFORE ENDING ON KIRKWOOD RD. TREES WERE BLOWN DOWN N OF DUNBAR CAVE RD AND OUTBUILDINGS DAMAGED AT ROSSVIEW HIGH SCHOOL. THREE BUILDINGS AT AN INDUSTRIA
Feb 24, 9:06 PM CSTTORNADO8 Ene Clarksville, TN*** 2 INJ *** SIGNIFICANT HOME DAMAGE IN THE FARMINGTON SUBDIVISION EAST OF CLARKSVILLE. HEAVY DAMAGE TO A CHURCH. AT LEAST 2 INJURED.
Feb 24, 9:19 PM CSTTORNADO2 Ene Adams, TNAN EF1 TORNADO TOUCHED DOWN EAST OF ADAMS NEAR JOHNSON SPRINGS ROAD AND MOVED NORTHEAST BEFORE ENDING ALONG BUZZARD CREEK ROAD. ONE HOME SUFFERED MINOR ROOF DAMAGE ON STURGEON CREEK ROAD AND DOZENS OF TREES WERE SNAPPED OR UPROOTED ALONG BOTH STURGEON CREEK RO
Feb 24, 9:20 PM CSTTSTM WND DMG3 N Cedar Hill, TNSEVERAL BARNS HAD SIGNIFICANT DAMAGE NEAR 5700 BUZZARD CREEK ROAD.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

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

IssuedProductOfficeLasted
Feb 24, 3:16 PM CSTTornado WatchSPC8 hr
Feb 24, 8:29 PM CSTTornado WatchSPC5 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 3.0 hours before the alert went out and 68 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-pSkew-T log-p diagram, Nashville Metro, TN at 00:00Z on 2018-02-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 78 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Nashville Metro, TN at 00:00Z on 2018-02-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 235 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
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
78 J/kg
Mixed-layer CIN
-34 J/kg
Mixed-layer LCL
1167 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
235 m²/s²
0-3 km storm-relative helicity
256 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.1

Open this sounding in Storm Lab

The text

As transmitted.

832 
WFUS54 KOHX 250257
TOROHX
TNC125-147-250330-
/O.NEW.KOHX.TO.W.0003.180225T0257Z-180225T0330Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Nashville TN
857 PM CST SAT FEB 24 2018

The National Weather Service in Nashville has issued a

* Tornado Warning for...
  Northeastern Montgomery County in Middle Tennessee...
  Northwestern Robertson County in Middle Tennessee...

* Until 930 PM CST
    
* At 856 PM CST, a confirmed large and extremely dangerous tornado
  was located near Clarksville, moving northeast at 55 mph.

  This is a PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW! 

  HAZARD...Damaging tornado. 

  SOURCE...Radar confirmed tornado. 

  IMPACT...You are in a life-threatening situation. Flying debris 
           may be deadly to those caught without shelter. Mobile 
           homes will be destroyed. Considerable damage to homes, 
           businesses, and vehicles is likely and complete 
           destruction is possible. 

* The tornado will be near...
  Clarksville and Clarksville around 900 PM CST. 

Other locations impacted by this tornadic thunderstorm include Cedar
Hill and Adams.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a large, extremely dangerous and potentially deadly
tornado is on the ground. To protect your life, TAKE COVER NOW! Move
to a basement or an interior room on the lowest floor of a sturdy
building. Avoid windows. If you are outdoors, in a mobile home, or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.

&&

LAT...LON 3650 8696 3640 8740 3664 8754 3665 8697
TIME...MOT...LOC 0256Z 237DEG 47KT 3654 8741 

TORNADO...OBSERVED
TORNADO DAMAGE THREAT...CONSIDERABLE
HAIL...<.75IN

$$

07
1 follow-up statement
980 
WWUS54 KOHX 250313
SVSOHX

Severe Weather Statement
National Weather Service Nashville TN
913 PM CST SAT FEB 24 2018

TNC125-147-250330-
/O.CON.KOHX.TO.W.0003.000000T0000Z-180225T0330Z/
Montgomery TN-Robertson TN-
913 PM CST SAT FEB 24 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 930 PM CST FOR
NORTHEASTERN MONTGOMERY AND NORTHWESTERN ROBERTSON COUNTIES...
        
At 911 PM CST, a confirmed large and extremely dangerous tornado was
located over Guthrie, or 10 miles northeast of Clarksville, moving
northeast at 55 mph.

This is a PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW!

HAZARD...Damaging tornado. 

SOURCE...Radar confirmed tornado. 

IMPACT...You are in a life-threatening situation. Flying debris may 
         be deadly to those caught without shelter. Mobile homes 
         will be destroyed. Considerable damage to homes, 
         businesses, and vehicles is likely and complete destruction 
         is possible. 

This tornadic thunderstorm will remain over mainly rural areas of
northeastern Montgomery and northwestern Robertson Counties,
including the following locations: Cedar Hill and Adams.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a large, extremely dangerous and potentially deadly
tornado is on the ground. To protect your life, TAKE COVER NOW! Move
to a basement or an interior room on the lowest floor of a sturdy
building. Avoid windows. If you are outdoors, in a mobile home, or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.

&&

LAT...LON 3644 8721 3664 8732 3665 8697 3650 8696
TIME...MOT...LOC 0311Z 237DEG 47KT 3665 8720 

TORNADO...OBSERVED
TORNADO DAMAGE THREAT...CONSIDERABLE
HAIL...<.75IN

$$

07

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 24, 8:01 PM CSTSevere Thunderstorm WarningOHXStewart29 min
Feb 24, 8:10 PM CSTSevere Thunderstorm WarningOHXHouston, Humphreys, Stewart50 min
Feb 24, 8:17 PM CSTTornado WarningOHXHouston, Stewart43 min
Feb 24, 8:29 PM CSTTornado WarningOHXCheatham, Dickson, Houston, Montgomery, Stewart46 min
Feb 24, 9:20 PM CSTTornado WarningOHXRobertson25 min
Feb 24, 9:28 PM CSTSpecial Weather StatementOHXCheatham, Dickson, Hickman, Perry, Robertson47 min
Feb 24, 9:34 PM CSTSevere Thunderstorm WarningOHXCheatham, Davidson, Robertson, Sumner26 min
Feb 24, 9:59 PM CSTSevere Thunderstorm WarningOHXDavidson, Macon, Robertson, Sumner, Trousdale31 min
Feb 24, 9:59 PM CSTSevere Thunderstorm WarningOHXCheatham, Davidson, Dickson, Robertson, Sumner, Williamson and 1 more46 min
Feb 24, 10:07 PM CSTSevere Thunderstorm WarningOHXDavidson, Dickson, Hickman, Lewis, Maury, Williamson53 min
Feb 24, 10:41 PM CSTSevere Thunderstorm WarningOHXClay, Davidson, Jackson, Macon, Maury, Rutherford and 5 more49 min
Feb 24, 11:12 PM CSTSpecial Weather StatementOHXLawrence, Maury48 min
Feb 24, 11:21 PM CSTSevere Thunderstorm WarningOHXGiles, Lawrence, Wayne24 min
Feb 24, 11:27 PM CSTSevere Thunderstorm WarningOHXClay, DeKalb, Jackson, Macon, Overton, Putnam and 3 more48 min
Feb 24, 11:52 PM CSTSevere Thunderstorm WarningOHXLawrence, Wayne38 min
Feb 25, 12:02 AM CSTSpecial Weather StatementOHXBedford, Cannon, Giles, Marshall, Rutherford43 min
Feb 25, 12:06 AM CSTSpecial Weather StatementOHXDeKalb, Jackson, Overton, Pickett24 min
Feb 25, 12:16 AM CSTSevere Thunderstorm WarningOHXGiles, Lawrence29 min
Feb 25, 9:45 AM CSTRiver Flood AdvisoryOHXDavidson10 days
Feb 25, 3:02 PM CSTRiver Flood AdvisoryOHXHickman53 hr
Feb 25, 3:09 PM CSTRiver Flood AdvisoryOHXMontgomery, Robertson11 hr

Nearby

Tornado Warnings in Tennessee, 2018Every tornado warning in 2018Tornadoes in 2018

Sources

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