Alert archive / Tennessee / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 2, NWS Nashville, TN

January 17, 20126 counties in Tennessee

NWS Nashville, TN issued this severe thunderstorm warning at Jan 17, 2012, 11:54 AM CST for 6 counties in Tennessee. It was in force for 51 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jan 17, 2012, 11:54 AM CST (17:54 UTC)
Expired
Jan 17, 2012, 12:45 PM CST
In force
51 min
Issued by
NWS Nashville, TN
Area
Storm-based polygon

Counties Cheatham County, TN, Dickson County, TN, Hickman County, TN, Humphreys County, TN, Maury County, TN, Williamson County, TN

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 5.9 hours before the alert went out and 61 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 2012-01-17Temperature 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 2012-01-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 587 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
608 m above ground
0-6 km bulk shear
60 kt
0-1 km storm-relative helicity
587 m²/s²
0-3 km storm-relative helicity
687 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

243 
WUUS54 KOHX 171754
SVROHX
TNC021-043-081-085-119-187-171845-
/O.NEW.KOHX.SV.W.0002.120117T1754Z-120117T1845Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
1154 AM CST TUE JAN 17 2012

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN WILLIAMSON COUNTY IN MIDDLE TENNESSEE...
  DICKSON COUNTY IN MIDDLE TENNESSEE...
  SOUTHERN CHEATHAM COUNTY IN MIDDLE TENNESSEE...
  NORTHERN HICKMAN COUNTY IN MIDDLE TENNESSEE...
  EAST CENTRAL HUMPHREYS COUNTY IN MIDDLE TENNESSEE...
  NORTH CENTRAL MAURY COUNTY IN MIDDLE TENNESSEE...

* UNTIL 1245 PM CST

* AT 1151 AM CST NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
  OF 60 MPH. THE STORM WAS NEAR MCEWEN...MOVING EAST AT 45 MPH.

* LOCATIONS IMPACTED INCLUDE...
  DICKSON...
  BURNS...
  WHITE BLUFF...
  FAIRVIEW...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PLEASE REPORT HAIL...STRONG WINDS OR WIND DAMAGE TO THE NATIONAL
WEATHER SERVICE BY CALLING TOLL FREE...1 8 7 7 6 3 3 6 7 7 2. DO NOT
STAY OUTDOORS IF YOU ARE IN THE PATH OF SEVERE THUNDERSTORMS.

&&

LAT...LON 3619 8758 3618 8757 3624 8752 3622 8699
      3610 8702 3609 8704 3604 8704 3605 8705
      3602 8704 3572 8712 3594 8781
TIME...MOT...LOC 1754Z 285DEG 29KT 3609 8761

$$

FORECASTER:07
1 follow-up statement
660 
WWUS54 KOHX 171822
SVSOHX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
1222 PM CST TUE JAN 17 2012

TNC021-043-081-085-119-187-171845-
/O.CON.KOHX.SV.W.0002.000000T0000Z-120117T1845Z/
WILLIAMSON TN-DICKSON TN-CHEATHAM TN-HICKMAN TN-HUMPHREYS TN-MAURY TN-
1222 PM CST TUE JAN 17 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTH CENTRAL
MAURY...EAST CENTRAL HUMPHREYS...NORTHERN HICKMAN...SOUTHERN
CHEATHAM...SOUTHERN DICKSON AND NORTHWESTERN WILLIAMSON COUNTIES
UNTIL 1245 PM CST...

AT 1217 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF
60 MPH.  THIS STORM WAS LOCATED NEAR DICKSON...MOVING EAST AT 45 MPH.

LOCATIONS IMPACTED INCLUDE...
  BURNS...WHITE BLUFF...KINGSTON SPRINGS...FAIRVIEW AND PEGRAM.

LAT...LON 3591 8770 3611 8744 3623 8732 3622 8699
      3611 8702 3609 8704 3604 8704 3605 8705
      3603 8705 3601 8704 3572 8712
TIME...MOT...LOC 1821Z 285DEG 29KT 3603 8735

$$

07

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 17, 10:18 AM CSTSpecial Weather StatementOHXBenton, Houston, Montgomery, Stewart57 min
Jan 17, 11:16 AM CSTSpecial Weather StatementOHXBenton, Houston, Humphreys, Montgomery, Robertson, Stewart59 min
Jan 17, 11:18 AM CSTSevere Thunderstorm WarningOHXBenton, Houston, Humphreys42 min
Jan 17, 12:07 PM CSTSpecial Weather StatementOHXCheatham, Davidson, Dickson, Hickman, Macon, Perry and 3 more53 min
Jan 17, 12:33 PM CSTTornado WarningOHXHickman, Maury, Williamson12 min
Jan 17, 12:56 PM CSTTornado WarningOHXDavidson, Rutherford, Williamson34 min
Jan 17, 12:59 PM CSTSpecial Weather StatementOHXClay, Davidson, DeKalb, Jackson, Lewis, Macon and 8 more61 min
Jan 17, 1:29 PM CSTTornado WarningOHXRutherford, Wilson20 min
Jan 17, 1:59 PM CSTSpecial Weather StatementOHXCannon, Coffee, Van Buren, Warren61 min

Nearby

Severe Thunderstorm Warnings in Tennessee, 2012Every severe thunderstorm warning in 2012

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.