Alert archive / Tennessee / Tornado Warnings in 1992

Tornado Warning 12, NWS Atlanta, GA

November 22, 1992Hamilton County, Tennessee

NWS Atlanta, GA issued this tornado warning at Nov 22, 1992, 10:21 AM EST for Hamilton County, Tennessee. It was in force for 39 min.

The area

The counties it named.

The facts

Issued
Nov 22, 1992, 10:21 AM EST (15:21 UTC)
Expired
Nov 22, 1992, 11:00 AM EST
In force
39 min
Issued by
NWS Atlanta, GA
Area
Whole counties

County Hamilton County, TN

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 3.4 hours before the alert went out and 167 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 1992-11-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 179 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 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 1992-11-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 414 square meters per square second.1939587897Sfc1 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
179 J/kg
Mixed-layer CIN
-35 J/kg
Mixed-layer LCL
761 m above ground
0-6 km bulk shear
75 kt
0-1 km storm-relative helicity
414 m²/s²
0-3 km storm-relative helicity
497 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KCHA 221522
TORCHA
TNC065-221600-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE CHATTANOOGA TN
1021 AM EST SUN NOV 22 1992
 
THE NATIONAL WEATHER SERVICE IN CHATTANOOGA HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL 1100 AM EST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTHEAST TENNESSEE
 
   ...HAMILTON COUNTY
 
RADAR INDICATED A POSSIBLE TORNADO OVER CHATTANOOGA MOVING NORTHEAST
40MPH.
 
 
IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS A
BASEMENT.  GET UNDER A WORKBENCH OR PIECE OF STURDY FURNITURE.
IF NO BASEMENT IS AVAILABLE...SEEK SHELTER IN AN INTERIOR ROOM
SUCH AS A CLOSET ON THE LOWEST FLOOR.  USE BLANKETS...PILLOWS...
OR CUSHIONS TO COVER YOUR BODY.  AVOID WINDOWS.

The office that day

Everything else NWS Atlanta, GA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Nov 22, 10:45 AM ESTTornado WarningFFCBradley, Meigs60 min
Nov 22, 11:22 AM ESTTornado WarningFFCMcMinn53 min

Nearby

Tornado Warnings in Tennessee, 1992Every tornado warning in 1992Tornadoes in 1992

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.