Alert archive / Tennessee / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 21, NWS Nashville, TN

April 27, 1994Giles County, Lawrence County, Tennessee

NWS Nashville, TN issued this severe thunderstorm warning at Apr 27, 1994, 1:51 PM CDT for Giles County, Lawrence County, Tennessee. It was in force for 69 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Apr 27, 1994, 1:51 PM CDT (18:51 UTC)
Expired
Apr 27, 1994, 3:00 PM CDT
In force
69 min
Issued by
NWS Nashville, TN
Area
Whole counties

Counties Giles County, TN, Lawrence County, TN

What was reported inside it

TimeReportWhereRemark
Apr 27, 2:40 PM CDTTornado F0Shoal Creek, TNA small tornado briefly touched down in the southern part of Lawrence County. A few trees were blown down.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 6.9 hours before the alert went out and 116 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 1994-04-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2248 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 1994-04-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 251 square meters per square second.193958Sfc1 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
2248 J/kg
Mixed-layer CIN
-29 J/kg
Mixed-layer LCL
649 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
251 m²/s²
0-3 km storm-relative helicity
250 m²/s²
Significant tornado parameter
2.0
Supercell composite
10.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KBNA 271855
SVRBNA
TNC055-099-272000-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
151 PM CDT WED APR 27 1994
 
THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  300 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN MIDDLE TENNESSEE
 
   ...GILES COUNTY...LAWRENCE COUNTY
 
AT 150 PM CDT...NASHVILLE WEATHER RADAR INDICATED SEVERE THUNDERSTORMS
IN LAWRENCE AND GILES COUNTIES. LARGE HAIL AND GUSTY WINDS WILL
ACCOMPANY THESE STORMS AS THEY MOVE EAST AT 35 MILES AN HOUR.
 
 
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A
STRONG BUILDING.  DAMAGING WIND...LARGE HAIL...VERY HEAVY bRAIN...
AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS.
STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 27, 9:30 AM CDTSevere Thunderstorm WarningOHXDavidson, Sumner60 min
Apr 27, 10:20 AM CDTSevere Thunderstorm WarningOHXRutherford, Wilson55 min
Apr 27, 11:14 AM CDTSevere Thunderstorm WarningOHXCannon61 min
Apr 27, 11:34 AM CDTSevere Thunderstorm WarningOHXWarren56 min
Apr 27, 12:10 PM CDTSevere Thunderstorm WarningOHXHickman65 min
Apr 27, 1:38 PM CDTSevere Thunderstorm WarningOHXMarshall67 min
Apr 27, 1:57 PM CDTSevere Thunderstorm WarningOHXBedford33 min
Apr 27, 2:36 PM CDTTornado WarningOHXLawrence39 min
Apr 27, 4:10 PM CDTSevere Thunderstorm WarningOHXLewis65 min
Apr 27, 5:53 PM CDTSevere Thunderstorm WarningOHXHumphreys67 min
Apr 27, 6:35 PM CDTSevere Thunderstorm WarningOHXMontgomery25 min

Nearby

Severe Thunderstorm Warnings in Tennessee, 1994Every severe thunderstorm warning in 1994

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.