Alert archive / Tennessee / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 1, NWS Nashville, TN

January 17, 2012Benton County, Houston County, Humphreys County, Tennessee

NWS Nashville, TN issued this severe thunderstorm warning at Jan 17, 2012, 11:18 AM CST for Benton County, Houston County, Humphreys County, Tennessee. It was in force for 42 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, 11:18 AM CST (17:18 UTC)
Expired
Jan 17, 2012, 12:00 PM CST
In force
42 min
Issued by
NWS Nashville, TN
Area
Storm-based polygon

Counties Benton County, TN, Houston County, TN, Humphreys County, TN

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 5.3 hours before the alert went out and 122 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°0°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.

983 
WUUS54 KOHX 171718
SVROHX
TNC005-083-085-171800-
/O.NEW.KOHX.SV.W.0001.120117T1718Z-120117T1800Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
1118 AM CST TUE JAN 17 2012

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL BENTON COUNTY IN MIDDLE TENNESSEE...
  SOUTHERN HOUSTON COUNTY IN MIDDLE TENNESSEE...
  NORTHWESTERN HUMPHREYS COUNTY IN MIDDLE TENNESSEE...

* UNTIL NOON CST

* AT 1117 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 VALE...MOVING EAST AT 50 MPH.

* LOCATIONS IMPACTED INCLUDE...
  NEW JOHNSONVILLE...
  WAVERLY...
  MCEWEN...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS CONTAIN DAMAGING WINDS 58 MPH OR STRONGER...OR
HAIL ONE INCH OR LARGER. FOR YOUR SAFETY...TAKE SHELTER INSIDE A
BUILDING LOCATION NOW.

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 3620 8814 3622 8814 3624 8810 3626 8810
      3624 8753 3619 8757 3617 8757 3591 8784
      3598 8822 3612 8822
TIME...MOT...LOC 1718Z 271DEG 54KT 3614 8814

$$

FORECASTER:07
1 follow-up statement
610 
WWUS54 KOHX 171738
SVSOHX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
1138 AM CST TUE JAN 17 2012

TNC005-083-085-171800-
/O.CON.KOHX.SV.W.0001.000000T0000Z-120117T1800Z/
BENTON TN-HOUSTON TN-HUMPHREYS TN-
1138 AM CST TUE JAN 17 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHWESTERN
HUMPHREYS...SOUTHERN HOUSTON AND BENTON COUNTIES UNTIL NOON CST...

AT 1134 AM 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 WAVERLY...MOVING EAST AT 50 MPH.

LOCATIONS IMPACTED INCLUDE...
  MCEWEN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

&&

LAT...LON 3599 8818 3612 8806 3615 8803 3618 8803
      3621 8800 3626 8796 3624 8753 3619 8757
      3617 8757 3591 8784 3592 8789
TIME...MOT...LOC 1738Z 271DEG 54KT 3613 8777

$$

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, 11:54 AM CSTSevere Thunderstorm WarningOHXCheatham, Dickson, Hickman, Humphreys, Maury, Williamson51 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.