Alert archive / Tennessee / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 7, NWS Atlanta, GA

March 27, 1994Hamilton County, Tennessee

NWS Atlanta, GA issued this severe thunderstorm warning at Mar 27, 1994, 6:39 AM EST for Hamilton County, Tennessee. It was in force for 36 min.

The area

The counties it named.

The facts

Issued
Mar 27, 1994, 6:39 AM EST (11:39 UTC)
Expired
Mar 27, 1994, 7:15 AM EST
In force
36 min
Issued by
NWS Atlanta, GA
Area
Whole counties

County Hamilton County, TN

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 11.7 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 00:00Z on 1994-03-27Temperature 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 00:00Z on 1994-03-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 207 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2380 m above ground
0-6 km bulk shear
74 kt
0-1 km storm-relative helicity
207 m²/s²
0-3 km storm-relative helicity
466 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.

000 
TTAA00 KCHA 271137
SVRCHA
TNC065-271215-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHATTANOOGA TN
639 AM EST SUN MAR 27 1994
 
THE NATIONAL WEATHER SERVICE IN CHATTANOOGA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  715 AM EST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTHEAST TENNESSEE
 
   ...HAMILTON COUNTY
 
NATIONAL WEATHER SERVICE RADAR IN CHATTANOOGA INDICATES A SEVERE
THUNDERSTORM IN HAMILTON COUNTY...MOVING NORTHEAST AT 50 MILES AN HOUR.
THIS THUNDERSTORM WILL ALSO PRODUCE FLOODING OF STREETS AND LOW PLACES
IN THE CHATTANOOGA METROPOLITAN AREA.
 
 
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...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
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.

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; the sounding from the Mesonet's radiosonde archive.