Alert archive / Tennessee / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 64, NWS Atlanta, GA

May 15, 1994Marion County, Tennessee

NWS Atlanta, GA issued this severe thunderstorm warning at May 15, 1994, 2:27 PM CDT for Marion County, Tennessee. It was in force for 63 min.

The area

The counties it named.

The facts

Issued
May 15, 1994, 2:27 PM CDT (19:27 UTC)
Expired
May 15, 1994, 3:30 PM CDT
In force
63 min
Issued by
NWS Atlanta, GA
Area
Whole counties

County Marion County, TN

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 7.5 hours before the alert went out and 142 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 1994-05-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 67 joules per kilogram.LCLLFCEL10008507005003002001001 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 1994-05-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 106 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
67 J/kg
Mixed-layer CIN
-118 J/kg
Mixed-layer LCL
636 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
106 m²/s²
0-3 km storm-relative helicity
99 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KCHA 151927 RRA
SVRCHA
TNC115-152030-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHATTANOOGA TN
327 PM EDT (227 PM CDT) SUN MAY 15 1994
 
THE NATIONAL WEATHER SERVICE IN CHATTANOOGA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  430 PM EDT (330 PM CDT)
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTHEAST TENNESSEE
 
   ...MARION COUNTY
 
AT 325 PM EDT...225 PM CDT...THE CHATTANOOGA WEATHER RADAR INDICATED
A SEVERE THUNDERSTORM IN SOUTHWEST MARION COUNTY...JUST WEST OF
SOUTH PITTSBIRG.
 
THE STORM IS MOVING TO THE NORTHEAST AT 25 MILES PER HOUR AND
WILL LIKELY HAVE STRONG WINDS...HAIL...DEADLY CLOUD TO GROUND
LIGHTNING AND VERY HEAVY RAINFALL.
 
 
 
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 ROADSV QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, May 15, 1:03 PM CDT, 1 hour 24 minutes before
GAZ008>010-014>018-023>029-035>038-047>051-151840-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ATHENS GA
205 PM EDT SUN MAY 15 1994

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MUCH OF NORTHEAST
   GEORGIA UNTIL 800 PM EDT THIS EVENING...

THIS INCLUDES THE FOLLOWING COUNTIES OF NORTHEAST GEORGIA...
DAWSON...UNION...TOWNS...RABUN...LUMPKIN...WHITE...HABERSHAM...
HALL...BANKS...JACKSON...BARROW...WALTON...AND NEWTON.

STRONG THUNDERSTORMS WILL BE DEVELOPING ACROSS PARTS OF NORTHEAST
GEORGIA THIS AFTERNOON AND EVENING. STAY ALERT FOR RAPIDLY CHANGING
WEATHER CONDITIONS. IF YOU ARE IN OR NEAR THUNDERSTORMS SEEK SHELTER
QUICKLY. THUNDERSTORMS MAY HAVE STRONG GUSTY WINDS...FREQUENT DANGEROUS
LIGHTNING..AND POSSIBLE HAIL.
Special weather statement, May 15, 1:05 PM CDT, 1 hour 22 minutes before
GAZ008>010-014>018-023>029-035>038-047>051-151840-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ATHENS GA
205 PM EDT SUN MAY 15 1994

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MUCH OF NORTHEAST
   GEORGIA UNTIL 800 PM EDT THIS EVENING...

THIS INCLUDES THE FOLLOWING COUNTIES OF NORTHEAST GEORGIA...
DAWSON...UNION...TOWNS...RABUN...LUMPKIN...WHITE...HABERSHAM...
HALL...BANKS...JACKSON...BARROW...WALTON...AND NEWTON.

STRONG THUNDERSTORMS WILL BE DEVELOPING ACROSS PARTS OF NORTHEAST
GEORGIA THIS AFTERNOON AND EVENING. STAY ALERT FOR RAPIDLY CHANGING
WEATHER CONDITIONS. IF YOU ARE IN OR NEAR THUNDERSTORMS SEEK SHELTER
QUICKLY. THUNDERSTORMS MAY HAVE STRONG GUSTY WINDS...FREQUENT DANGEROUS
LIGHTNING..AND POSSIBLE HAIL.

The office that day

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

IssuedProductOfficeCountiesLasted
May 15, 3:13 PM CDTSevere Thunderstorm WarningFFCHamilton62 min
May 15, 3:48 PM CDTSevere Thunderstorm WarningFFCBradley42 min
May 15, 4:03 PM CDTSevere Thunderstorm WarningFFCPolk42 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; the sounding from the Mesonet's radiosonde archive.