Alert archive / Tennessee / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 2, NWS Nashville, TN

February 7, 20175 counties in Tennessee

NWS Nashville, TN issued this severe thunderstorm warning at Feb 7, 2017, 10:11 AM CST for 5 counties in Tennessee. It was in force for 34 min. 2 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 7, 2017, 10:11 AM CST (16:11 UTC)
Expired
Feb 7, 2017, 10:45 AM CST
In force
34 min
Issued by
NWS Nashville, TN
Area
Storm-based polygon
Hail
0.75 in
Wind
70.0 mph

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

The radar

The Nashville radar (KOHX), 27 km from the middle of the area, began a volume at 16:12 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 7, 10:16 AM CSTTSTM WND DMG2 E Berry Hill, TNTREE BLOWN DOWN ON OLD GLENROSE AVENUE BETWEEN I-24 AND BRILEY PARKWAY
Feb 7, 10:35 AM CSTTSTM WND DMG1 Wsw Green Hill, TNTREE WAS SNAPPED ON SAUNDERSVILLE ROAD NEAR MATTERHORN ROAD

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

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 4.2 hours before the alert went out and 13 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 2017-02-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2017-02-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 367 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
806 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
367 m²/s²
0-3 km storm-relative helicity
336 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

773 
WUUS54 KOHX 071611
SVROHX
TNC037-149-165-187-189-071645-
/O.NEW.KOHX.SV.W.0002.170207T1611Z-170207T1645Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Nashville TN
1011 AM CST TUE FEB 7 2017

The National Weather Service in Nashville has issued a

* Severe Thunderstorm Warning for...
  Davidson County in Middle Tennessee...
  Western Rutherford County in Middle Tennessee...
  Southern Sumner County in Middle Tennessee...
  Eastern Williamson County in Middle Tennessee...
  Western Wilson County in Middle Tennessee...

* Until 1045 AM CST

* At 1010 AM CST, severe thunderstorms were located along a line
  extending from near Joelton to near Franklin, moving east at 50
  mph.

  HAZARD...70 mph wind gusts. 

  SOURCE...Radar indicated. 

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

* Locations impacted include...
  Murfreesboro, Franklin, Gallatin, Lebanon, Nashville, Madison,
  Hendersonville, Smyrna, Brentwood, La Vergne, Spring Hill, Mount
  Juliet, Goodlettsville, Millersville, Nolensville, Forest Hills,
  Oak Hill, Belle Meade, Lakewood and Thompson's Station.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3639 8628 3570 8638 3577 8693 3578 8693
      3578 8698 3634 8689
TIME...MOT...LOC 1610Z 267DEG 45KT 3627 8681 3588 8688 

HAIL...<.75IN
WIND...70MPH
 
$$

Shamburger
2 follow-up statements
121 
WWUS54 KOHX 071625
SVSOHX

Severe Weather Statement
National Weather Service Nashville TN
1025 AM CST TUE FEB 7 2017

TNC037-149-165-187-189-071645-
/O.CON.KOHX.SV.W.0002.000000T0000Z-170207T1645Z/
Davidson TN-Rutherford TN-Sumner TN-Williamson TN-Wilson TN-
1025 AM CST TUE FEB 7 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1045 AM CST
FOR DAVIDSON...WESTERN RUTHERFORD...SOUTHERN SUMNER...EASTERN
WILLIAMSON AND WESTERN WILSON COUNTIES...

At 1024 AM CST, severe thunderstorms were located along a line 
extending from Hendersonville to Thompson's Station, moving east at 
50 mph.

HAZARD...60 mph wind gusts and penny size hail. 

SOURCE...Radar indicated. 

IMPACT...Expect damage to roofs, siding, and trees. 

Locations impacted include...
Murfreesboro, Franklin, Gallatin, Lebanon, Nashville, Madison,
Hendersonville, Smyrna, Brentwood, La Vergne, Spring Hill, Mount
Juliet, Goodlettsville, Millersville, Nolensville, Forest Hills, Oak
Hill, Belle Meade, Lakewood and Thompson's Station.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3639 8628 3570 8638 3579 8697 3635 8679
TIME...MOT...LOC 1624Z 280DEG 43KT 3628 8661 3579 8672 

HAIL...0.75IN
WIND...60MPH
 
$$

Shamburger
332 
WWUS54 KOHX 071642
SVSOHX

Severe Weather Statement
National Weather Service Nashville TN
1042 AM CST TUE FEB 7 2017

TNC037-149-165-187-189-071652-
/O.EXP.KOHX.SV.W.0002.000000T0000Z-170207T1645Z/
Davidson TN-Rutherford TN-Sumner TN-Williamson TN-Wilson TN-
1042 AM CST TUE FEB 7 2017

...THE SEVERE THUNDERSTORM WARNING FOR DAVIDSON...WESTERN
RUTHERFORD...SOUTHERN SUMNER...EASTERN WILLIAMSON AND WESTERN WILSON
COUNTIES WILL EXPIRE AT 1045 AM CST...
    
The storms which prompted the warning have moved out of the area.
Therefore the warning will be allowed to expire.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Nashville.

Remember, a Severe Thunderstorm Warning still remains in effect for 
Wilson, Rutherford, and southern Sumner counties.

LAT...LON 3639 8628 3570 8638 3579 8697 3635 8679
TIME...MOT...LOC 1642Z 267DEG 45KT 3629 8635 3580 8646 

$$

Shamburger

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 7, 2:16 AM CSTSpecial Weather StatementOHXStewart44 min
Feb 7, 6:10 AM CSTSpecial Weather StatementOHXMontgomery35 min
Feb 7, 6:25 AM CSTAreal Flood AdvisoryOHXMontgomery3 hr
Feb 7, 8:27 AM CSTAreal Flood AdvisoryOHXHouston, Humphreys, Montgomery, Stewart3 hr
Feb 7, 8:41 AM CSTSpecial Weather StatementOHXHouston, Montgomery, Stewart49 min
Feb 7, 8:45 AM CSTSpecial Weather StatementOHXDickson, Hickman, Humphreys45 min
Feb 7, 9:14 AM CSTSpecial Weather StatementOHXLewis, Perry46 min
Feb 7, 9:26 AM CSTSpecial Weather StatementOHXCheatham, Davidson, Dickson, Montgomery, Robertson64 min
Feb 7, 9:35 AM CSTSpecial Weather StatementOHXHickman, Lawrence, Lewis, Maury, Wayne, Williamson55 min
Feb 7, 9:44 AM CSTSevere Thunderstorm WarningOHXCheatham, Davidson, Dickson, Hickman, Maury, Williamson31 min
Feb 7, 10:41 AM CSTSevere Thunderstorm WarningOHXCannon, Rutherford, Smith, Sumner, Trousdale, Wilson19 min
Feb 7, 10:46 AM CSTSpecial Weather StatementOHXBedford, Giles, Lawrence, Marshall, Maury59 min
Feb 7, 11:03 AM CSTSpecial Weather StatementOHXCannon, Rutherford, Smith, Trousdale, Wilson27 min
Feb 7, 11:10 AM CSTSpecial Weather StatementOHXWayne35 min
Feb 7, 11:23 AM CSTAreal Flood AdvisoryOHXGiles, Lawrence112 min
Feb 7, 11:48 AM CSTSpecial Weather StatementOHXBedford, Cannon, Coffee, Grundy, Warren57 min
Feb 7, 11:49 AM CSTSpecial Weather StatementOHXGiles, Lawrence56 min
Feb 7, 12:21 PM CSTSpecial Weather StatementOHXCumberland, Fentress, White54 min
Feb 7, 12:55 PM CSTSpecial Weather StatementOHXGrundy, Van Buren35 min
Feb 7, 2:11 PM CSTSpecial Weather StatementOHXBedford34 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.