Alert archive / Tennessee / Tornado Warnings in 2017

Tornado Warning 5, NWS Nashville, TN

March 1, 2017DeKalb County, Putnam County, Smith County, Tennessee

NWS Nashville, TN issued this tornado warning at Mar 1, 2017, 7:52 AM CST for DeKalb County, Putnam County, Smith County, Tennessee. It was in force for 23 min. 4 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
Mar 1, 2017, 7:52 AM CST (13:52 UTC)
Expired
Mar 1, 2017, 8:15 AM CST
In force
23 min
Issued by
NWS Nashville, TN
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties DeKalb County, TN, Putnam County, TN, Smith County, TN

The radar

The Nashville radar (KOHX), 79 km from the middle of the area, began a volume at 13:52 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
Mar 1, 8:00 AM CSTTSTM WND DMG6 Se Gordonsville, TNSOCIAL MEDIA POST OF ROOF AND PORCH DAMAGE TO A TRAILER ON NIXON VALLEY ROAD IN THE LANCASTER COMMUNITY. TIME ESTIMATED VIA RADAR.
Mar 1, 8:02 AM CSTTORNADO6 W Baxter, TNAN EF1 TORNADO TOUCHED DOWN IN SW PUTNAM COUNTY NEAR BUFFALO VALLEY AND CONTINUED EAST TOWARD BAXTER. DAMAGE INCLUDED DOZENS OF LARGE TREES SNAPPED AND UPROOTED AND SMALL OUTBUILDINGS DESTROYED. A FEW HOUSES EXPEREIENCED MINOR ROOF DAMAGE. THE TORNADO REACH IT
Mar 1, 8:12 AM CSTTSTM WND DMG6 S Baxter, TNEMERGENCY MANAGEMENT REPORTED TREES DOWN AND DAMAGE TO A BURN ON OLD MILL ROAD. TIME ESTIMATED VIA RADAR.
Mar 1, 8:12 AM CSTTSTM WND DMG8 Sse Baxter, TNEMERGENCY MANAGEMENT REPORTED TREES DOWN ON CENTER HILL LAKE IN BURGESS FALLS. TIME ESTIMATED FROM RADAR.

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
Mar 1, 4:57 AM CSTTornado WatchSPC5 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 1.9 hours before the alert went out and 82 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 12:00Z on 2017-03-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 694 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 12:00Z on 2017-03-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 361 square meters per square second.1939587897117136156Sfc1 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
694 J/kg
Mixed-layer CIN
-14 J/kg
Mixed-layer LCL
842 m above ground
0-6 km bulk shear
82 kt
0-1 km storm-relative helicity
361 m²/s²
0-3 km storm-relative helicity
344 m²/s²
Significant tornado parameter
1.6
Supercell composite
9.1

Open this sounding in Storm Lab

The text

As transmitted.

302 
WFUS54 KOHX 011352
TOROHX
TNC041-141-159-011415-
/O.NEW.KOHX.TO.W.0005.170301T1352Z-170301T1415Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Nashville TN
752 AM CST WED MAR 1 2017

The National Weather Service in Nashville has issued a

* Tornado Warning for...
  Southeastern Smith County in Middle Tennessee...
  Northern De Kalb County in Middle Tennessee...
  Southwestern Putnam County in Middle Tennessee...

* Until 815 AM CST
    
* At 751 AM CST, a severe thunderstorm capable of producing a tornado
  was located near Gordonsville, or 10 miles south of Carthage,
  moving east at 50 mph.

  HAZARD...Tornado. 

  SOURCE...Radar indicated rotation. 

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely. 

* This dangerous storm will be near...
  Gordonsville around 755 AM CST. 
  Baxter around 815 AM CST. 

Other locations impacted by this tornadic thunderstorm include Center
Hill Lake, Burgess Falls State Park, Edgar Evans State Park, Hickman
and Alexandria.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 3623 8568 3622 8567 3622 8564 3621 8563
      3623 8559 3608 8554 3606 8558 3604 8559
      3605 8561 3604 8562 3605 8603 3613 8604
      3623 8572
TIME...MOT...LOC 1351Z 262DEG 45KT 3611 8598 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

Whitehead
1 follow-up statement
957 
WWUS54 KOHX 011404
SVSOHX

Severe Weather Statement
National Weather Service Nashville TN
804 AM CST WED MAR 1 2017

TNC041-141-159-011415-
/O.CON.KOHX.TO.W.0005.000000T0000Z-170301T1415Z/
Smith TN-De Kalb TN-Putnam TN-
804 AM CST WED MAR 1 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 815 AM CST FOR
SOUTHEASTERN SMITH...NORTHEASTERN DE KALB AND SOUTHWESTERN PUTNAM
COUNTIES...
    
At 803 AM CST, a severe thunderstorm capable of producing a tornado
was located 8 miles west of Baxter, or 12 miles north of Smithville,
moving east at 50 mph.

HAZARD...Tornado. 

SOURCE...Radar indicated rotation. 

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely. 

This dangerous storm will be near...
  Baxter around 815 AM CST. 

Other locations impacted by this tornadic thunderstorm include Center
Hill Lake, Burgess Falls State Park and Edgar Evans State Park.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 3623 8568 3622 8567 3622 8564 3621 8563
      3623 8559 3608 8554 3606 8558 3604 8559
      3605 8561 3604 8562 3605 8583 3619 8585
      3623 8572
TIME...MOT...LOC 1403Z 262DEG 45KT 3613 8579 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

Whitehead

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 28, 11:02 PM CSTTornado WarningOHXStewart23 min
Mar 1, 5:27 AM CSTSpecial Weather StatementOHXHickman, Houston, Humphreys, Montgomery, Stewart48 min
Mar 1, 5:54 AM CSTSevere Thunderstorm WarningOHXDickson, Hickman, Houston, Humphreys, Montgomery, Perry and 1 more36 min
Mar 1, 6:04 AM CSTSevere Thunderstorm WarningOHXHickman, Lewis, Perry41 min
Mar 1, 6:24 AM CSTSevere Thunderstorm WarningOHXCheatham, Davidson, Dickson, Hickman, Houston, Humphreys and 3 more36 min
Mar 1, 6:26 AM CSTSevere Thunderstorm WarningOHXMontgomery, Robertson34 min
Mar 1, 6:55 AM CSTSevere Thunderstorm WarningOHXDavidson, Robertson, Rutherford, Sumner, Trousdale, Williamson and 1 more35 min
Mar 1, 7:03 AM CSTTornado WarningOHXDavidson, Rutherford, Williamson, Wilson27 min
Mar 1, 7:26 AM CSTSevere Thunderstorm WarningOHXCannon, Clay, DeKalb, Jackson, Macon, Rutherford and 4 more34 min
Mar 1, 7:28 AM CSTTornado WarningOHXSmith, Wilson32 min
Mar 1, 7:49 AM CSTTornado WarningOHXClay, Macon26 min
Mar 1, 7:58 AM CSTSevere Thunderstorm WarningOHXCannon, Clay, DeKalb, Jackson, Macon, Overton and 5 more32 min
Mar 1, 8:12 AM CSTTornado WarningOHXJackson, Overton, Putnam33 min
Mar 1, 8:17 AM CSTSpecial Weather StatementOHXLewis28 min
Mar 1, 8:20 AM CSTSevere Thunderstorm WarningOHXClay, Cumberland, DeKalb, Fentress, Jackson, Overton and 3 more25 min
Mar 1, 8:43 AM CSTSevere Thunderstorm WarningOHXCumberland, Fentress, Overton, Pickett, Putnam, White36 min
Mar 1, 8:45 AM CSTSpecial Weather StatementOHXLewis45 min
Mar 1, 9:42 AM CSTSpecial Weather StatementOHXHickman, Lewis33 min
Mar 1, 9:46 AM CSTSpecial Weather StatementOHXCannon, Rutherford44 min
Mar 1, 9:57 AM CSTAreal Flood AdvisoryOHXLewis, Perry, Wayne2 hr
Mar 1, 10:18 AM CSTSpecial Weather StatementOHXCannon, White42 min
Mar 1, 10:18 AM CSTSevere Thunderstorm WarningOHXLawrence, Wayne42 min
Mar 1, 10:22 AM CSTSpecial Weather StatementOHXMarshall38 min
Mar 1, 10:35 AM CSTSevere Thunderstorm WarningOHXBedford, Marshall, Maury, Rutherford, Williamson25 min
Mar 1, 10:59 AM CSTSpecial Weather StatementOHXMarshall46 min
Mar 1, 11:03 AM CSTSevere Thunderstorm WarningOHXLawrence, Wayne27 min
Mar 1, 11:27 AM CSTSevere Thunderstorm WarningOHXGiles, Lawrence, Marshall, Wayne48 min
Mar 1, 11:43 AM CSTSpecial Weather StatementOHXBedford, Coffee47 min
Mar 1, 12:13 PM CSTSevere Thunderstorm WarningOHXGiles21 min
Mar 1, 12:18 PM CSTSpecial Weather StatementOHXCumberland27 min
Mar 1, 12:42 PM CSTSpecial Weather StatementOHXGrundy33 min
Mar 1, 12:46 PM CSTSevere Thunderstorm WarningOHXCoffee, Grundy29 min

Nearby

Tornado Warnings in Tennessee, 2017Every tornado warning in 2017Tornadoes in 2017

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.