Alert archive / Tennessee / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 16, NWS Nashville, TN

February 1, 2012Lawrence County, Lewis County, Maury County, Tennessee

NWS Nashville, TN issued this severe thunderstorm warning at Feb 1, 2012, 6:59 PM CST for Lawrence County, Lewis County, Maury County, Tennessee. It was in force for 31 min. 1 report 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 1, 2012, 6:59 PM CST (00:59 UTC)
Expired
Feb 1, 2012, 7:30 PM CST
In force
31 min
Issued by
NWS Nashville, TN
Area
Storm-based polygon

Counties Lawrence County, TN, Lewis County, TN, Maury County, TN

The radar

The Nashville radar (KOHX), 112 km from the middle of the area, began a volume at 00:57 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
Feb 1, 7:25 PM CSTHAIL 0.883 Sw Mount Pleasant, TNTRAINED SPOTTER REPORTED NICKEL SIZED HAIL COVERING THE GROUND ON HWY 43S NEAR LAWRENCE COUNTY LINE

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 00:00Z, 1.0 hours before the alert went out and 100 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 00:00Z on 2012-02-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 297 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 00:00Z on 2012-02-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 46 square meters per square second.1939587897117136Sfc1 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
297 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
623 m above ground
0-6 km bulk shear
65 kt
0-1 km storm-relative helicity
46 m²/s²
0-3 km storm-relative helicity
49 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.4

Open this sounding in Storm Lab

The text

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

710 
WUUS54 KOHX 020059
SVROHX
TNC099-101-119-020130-
/O.NEW.KOHX.SV.W.0016.120202T0059Z-120202T0130Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
659 PM CST WED FEB 1 2012

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN LAWRENCE COUNTY IN MIDDLE TENNESSEE...
  SOUTHEASTERN LEWIS COUNTY IN MIDDLE TENNESSEE...
  SOUTHWESTERN MAURY COUNTY IN MIDDLE TENNESSEE...

* UNTIL 730 PM CST

* AT 657 PM CST NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND 
  DAMAGING WINDS IN EXCESS OF 60 MPH. THE STORM WAS 10 MILES 
  SOUTHEAST OF HOHENWALD...MOVING EAST AT 25 MPH.

* LOCATIONS IMPACTED INCLUDE...
  SUMMERTOWN...

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 3559 8721 3535 8722 3533 8756 3548 8756
TIME...MOT...LOC 0057Z 251DEG 24KT 3542 8745

$$

SHAMBURGER
1 follow-up statement
177 
WWUS54 KOHX 020116
SVSOHX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
716 PM CST WED FEB 1 2012

TNC099-101-119-020130-
/O.CON.KOHX.SV.W.0016.000000T0000Z-120202T0130Z/
LAWRENCE TN-LEWIS TN-MAURY TN-
716 PM CST WED FEB 1 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHWESTERN
MAURY...EAST CENTRAL LEWIS AND NORTHEASTERN LAWRENCE COUNTIES UNTIL
730 PM CST...

AT 713 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 9 MILES
SOUTHWEST OF MOUNT PLEASANT...OR 15 MILES NORTH OF LAWRENCEBURG...
MOVING EAST AT 30 MPH.

LOCATIONS IMPACTED INCLUDE...
  SUMMERTOWN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN NASHVILLE.

&&

LAT...LON 3539 8739 3553 8740 3559 8721 3540 8722
TIME...MOT...LOC 0115Z 250DEG 26KT 3547 8728

$$

SHAMBURGER

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 1, 6:25 PM CSTSpecial Weather StatementOHXLawrence, Wayne35 min
Feb 1, 6:32 PM CSTSevere Thunderstorm WarningOHXLawrence, Wayne28 min
Feb 1, 6:41 PM CSTSpecial Weather StatementOHXDavidson64 min
Feb 1, 7:24 PM CSTSevere Thunderstorm WarningOHXMaury36 min
Feb 1, 7:39 PM CSTSpecial Weather StatementOHXDavidson, Rutherford, Williamson, Wilson66 min
Feb 1, 7:59 PM CSTSpecial Weather StatementOHXMarshall31 min
Feb 1, 8:03 PM CSTSpecial Weather StatementOHXGiles57 min
Feb 1, 8:52 PM CSTSpecial Weather StatementOHXMontgomery23 min
Feb 1, 9:53 PM CSTSpecial Weather StatementOHXVan Buren52 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.