Alert archive / Tennessee / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 13, NWS Nashville, TN

March 1, 20177 counties in Tennessee

NWS Nashville, TN issued this severe thunderstorm warning at Mar 1, 2017, 6:55 AM CST for 7 counties in Tennessee. It was in force for 35 min. 20 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, 6:55 AM CST (12:55 UTC)
Expired
Mar 1, 2017, 7:30 AM CST
In force
35 min
Issued by
NWS Nashville, TN
Area
Storm-based polygon
Hail
0.88 in
Wind
70.0 mph

Counties Davidson County, TN, Robertson County, TN, Rutherford County, TN, Sumner County, TN, Trousdale County, TN, Williamson County, TN, Wilson County, TN

The radar

The Nashville radar (KOHX), 14 km from the middle of the area, began a volume at 12:57 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, 7:00 AM CSTTSTM WND DMG2 W Springfield, TNEMERGENCY MANAGER REPORTS TREES DOWN ACROS THE COUNTY. NO REPORTS OF STRUCTURAL DAMAGE.
Mar 1, 7:00 AM CSTTORNADO3 Nw Franklin, TNAN EF1 TORNADO SPUN UP JUST NW OF FRANKLIN ALONG HILLSBORO RD AND MOVED ENE ACROSS WILLIAMSON COUNTY CROSSING FRANKLIN ROAD JUST NORTH OF COOL SPRINGS GALLERIA. THE TORNADO WEAKENED AS IT CROSSED I-65 BUT CONTINUED TO CAUSE DAMAGE ON CONCORD RD ALMOST TO THE D
Mar 1, 7:05 AM CSTHAIL 1Franklin, TNONE INCH HAIL REPORT IN FRANKLIN.
Mar 1, 7:06 AM CSTTSTM WND DMG2 Sw Brentwood, TNPICTURES OF DAMAGE TO SEVICE CLEAN IN BRENTWOOD. LARGE MEDAL DOORS BLOWN IN.
Mar 1, 7:06 AM CSTTSTM WND DMG4 Nne Nashville, TNFACEBOOK POST OF DAMAGE TO HOUSE AND OUT BUILDING ON MORNINGSIDE DRIVE. TIME ESTIMATED FROM RADAR.
Mar 1, 7:09 AM CSTTSTM WND DMGOld Hickory, TNROOF DAMAGE/GAS LEAK AT DUPONT MIDDLE TENNESSEE
Mar 1, 7:10 AM CSTTSTM WND DMG1 Sw Old Hickory, TNDELAYED REPORT FROM 3/1. MULTIPLE HOMES HAD SHINGLES AND SOME SIDING BLOWN OFF...FENCES BLOWN OVER...AND OUTDOOR OBJECTS THROWN AROUND ON PAWNEE TRAIL IN MADISON.
Mar 1, 7:10 AM CSTTSTM WND DMGOld Hickory, TNA TREE FELL ONTO A MOBILE HOME IN OLD HICKORY
Mar 1, 7:10 AM CSTTSTM WND GST 609 E Nashville, TNESTIMATED WIND GUST TO 60 MPH ON THE I-40 OVERPASS AT THE STONES RIVER.
Mar 1, 7:11 AM CSTTORNADO3 W La Vergne, TNAN EF1 TORNADO TOUCHED DOWN NEAR CANE RIDGE PARK IN EXTREME SOUTHEAST DAVIDSON COUNTY. THE TORNADO CAUSED SPORADIC DAMAGE MAINLY TO TREES AS IT RACED TO THE NORTHEAST. THE TORNADO THEN STRUCK THE FOUR CORNERS MARINA AROUND 717AM AND CAUSED EXTENSIVE DAMAGE TO
Mar 1, 7:12 AM CSTTSTM WND DMG5 Nnw Nolensville, TNEMA REPORTS TREES AND POWER POLES DOWNI IN SOUTHEAST DAVIDSON COUNTY ON PETTUS ROAD.
Mar 1, 7:14 AM CSTTSTM WND DMG2 Wnw La Vergne, TN*** 1 INJ *** A LARGE TRUCK PARKED AT 1325 HEIL QUAKER BLVD WAS BLOWN OVER INJURING ONE MAN INSIDE WHO WAS TRANSPORTED TO THE HOSPITAL.
Mar 1, 7:15 AM CSTTSTM WND DMG4 N La Vergne, TNDAMAGE TO STRUCTURE AND BOATS WAS SHOWN IN A VIDEO FROM FOUR CORNERS MARINA. TIME ESTIMATED BY RADAR.
Mar 1, 7:17 AM CSTTSTM WND DMG2 N Smyrna, TNDAMAGE AT SMYRNA AIRPORT. TIME ESTIMATED BASED ON RADAR.
Mar 1, 7:18 AM CSTTSTM WND DMG2 Nne Green Hill, TNFACEBOOK REPORT OF TREES DOWN NEAR LAKEVIEW ELEMENTARY AT VANDERBUILT ROAD. TIME ESTIMATED VIA RADAR.
Mar 1, 7:18 AM CSTTSTM WND DMG3 Ne Green Hill, TNROOF... GUTTER... AND SIDING DAMAGE REPORTED ON STARR DR IN MOUNT JULIET.
Mar 1, 7:18 AM CSTTSTM WND DMGHendersonville, TNEMERGENCY MANAGEMENT REPORTED WINDOWS BLOWN OUT OF A BUSINESS ON WEST MAIN STEET. TREES DOWN ON OLD 31 BETHPAGE. THREES IN ROADWAY ON HOG BACK RIDGE. TIME ESTIMATED FROM RADAR.
Mar 1, 7:20 AM CSTTSTM WND DMGPortland, TNEMERGENCY MANAGEMENT REPORTS POWER POLES SNAPPED AND TREE LIMBS ON HOUSES IN PORTLAND ON HIGHWAY 109. TIME ESTIMATED FROM RADAR.
Mar 1, 7:30 AM CSTTSTM WND DMG7 N Walterhill, TNTREES BLOWN DOWN AT FARM ON VESTA ROAD JUST EAST OF MOCCASIN LANE
Mar 1, 7:38 AM CSTTORNADO3 Wsw Watertown, TNA HIGH END EF1 TORNADO TOUCHED DOWN JUST WEST OF WATERTOWN AND CONTINUED ENE ACROSS THE NORTHERN FRINGES OF TOWN. ONE HOME SUFFERED SIGNIFICANT DAMAGE ON COMMERCE ROAD...BUT THE GARAGE WAS NOT APPROPRIATELY ATTACHED TO THE FOUNDATION. TWO TVA WOODEN HIGH TRANS

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, 0.9 hours before the alert went out and 28 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.

065 
WUUS54 KOHX 011255
SVROHX
TNC037-147-149-165-169-187-189-011330-
/O.NEW.KOHX.SV.W.0013.170301T1255Z-170301T1330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Nashville TN
655 AM CST WED MAR 1 2017

The National Weather Service in Nashville has issued a

* Severe Thunderstorm Warning for...
  Davidson County in Middle Tennessee...
  Northern Rutherford County in Middle Tennessee...
  Sumner County in Middle Tennessee...
  Eastern Williamson County in Middle Tennessee...
  Wilson County in Middle Tennessee...
  Western Trousdale County in Middle Tennessee...
  Central Robertson County in Middle Tennessee...

* Until 730 AM CST

* At 654 AM CST, severe thunderstorms were located along a line
  extending from near Springfield to near Oak Hill to near Thompson's
  Station, moving east at 65 mph.

  HAZARD...70 mph wind gusts and nickel size hail. 

  SOURCE...Radar indicated. 

  IMPACT...Expect considerable tree damage. Damage is likely to 
           mobile homes, roofs, and outbuildings. 

* Locations impacted include...
  Murfreesboro, Franklin, Gallatin, Lebanon, Springfield, Nashville,
  Hartsville, Madison, Hendersonville, Smyrna, Brentwood, La Vergne,
  Mount Juliet, Goodlettsville, White House, Millersville,
  Greenbrier, Nolensville, Forest Hills and Oak Hill.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This is an EXTREMELY DANGEROUS SITUATION. These storms are capable 
of producing widespread wind damage. SEEK SHELTER NOW inside a 
sturdy structure and stay away from windows!

Intense thunderstorm lines can produce brief tornadoes and widespread
significant wind damage. Although a tornado is not immediately
likely, it is best to move to an interior room on the lowest floor of
a building. These storms may cause serious injury and significant
property damage.

&&

A tornado watch remains in effect until 1000 AM CST for Middle
Tennessee.

LAT...LON 3664 8625 3652 8621 3649 8623 3648 8620
      3610 8608 3585 8628 3578 8700 3580 8706
      3604 8681 3663 8694 3665 8683 3665 8659
      3663 8657 3665 8651
TIME...MOT...LOC 1254Z 265DEG 48KT 3657 8685 3605 8674 3582 8698 

HAIL...0.88IN
WIND...70MPH
 
$$

13

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, 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, 7:52 AM CSTTornado WarningOHXDeKalb, Putnam, Smith23 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

Severe Thunderstorm Warnings in Tennessee, 2017Every severe thunderstorm warning 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.