Alert archive / Tennessee / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 55, NWS Atlanta, GA

March 31, 1993Bledsoe County, Tennessee

NWS Atlanta, GA issued this severe thunderstorm warning at Mar 31, 1993, 4:53 PM CST for Bledsoe County, Tennessee. It was in force for 37 min.

The area

The counties it named.

The facts

Issued
Mar 31, 1993, 4:53 PM CST (22:53 UTC)
Expired
Mar 31, 1993, 5:30 PM CST
In force
37 min
Issued by
NWS Atlanta, GA
Area
Whole counties

County Bledsoe County, TN

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 10.9 hours before the alert went out and 139 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 1993-03-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 25 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 1993-03-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 107 square meters per square second.19395878Sfc1 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
25 J/kg
Mixed-layer CIN
-37 J/kg
Mixed-layer LCL
854 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
107 m²/s²
0-3 km storm-relative helicity
40 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 312252
SVRCHA
TNC007-312330-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHATTANOOGA TN
553 PM EST (453 PM CST) WED MAR 31 1993
 
THE NATIONAL WEATHER SERVICE IN CHATTANOOGA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  630 PM EST (530 PM CST)
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTHEAST TENNESSEE
 
   ...BLEDSOE COUNTY
 
AT 550PM RADAR INDICATED A SEVERE THUNDERSTORM IN NORTHEAST BLEDSOE
COUNTY NEAR PIKEVILLE. THIS THUNDERSTORM IS CAPABLE OF PRODUCING LARGE
HAIL...STRONG GUSTY WINDS AND DANGEROUS LIGHTNING. THE THUNDERSTORM WAS
MOVING NORTHEAST AT 30 MILES AN HOUR.
 
 
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.  REMEMBER
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING.  REMAIN CALM BUT BE ALERT TO
RAPIDLY CHANGING WEATHER CONDITIONS.

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

Local storm report, Mar 31, 4:29 PM CST, 24 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MACON GA
530 PM EST WED MAR 31 1993

 ...PRELIMINARY INFORMATION ONLY...REPORTS MAY BE INCOMPLETE...

COUNTY.....  169 JONES
SOURCE.....  SHERIFFS OFFICE
TIME.......  4:55 PM EST
LOCATION...  GRAY
TYPE STORM.  SEVERE THUNDERSTORM
WIDTH......  NONE
LENGTH.....  NONE
HAIL.......  3/4 INCH
DAMAGE.....  NONE
TREES......  NONE
INJURIES...  NONE
COST.......  UNKNOWN
Special weather statement, Mar 31, 4:35 PM CST, 18 minutes before
GAZ006-008-009-312330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MACON GA
535 PM EST WED MAR 31 1993

...A TORNADO WATCH CONTINUES FOR MOST OF CENTRAL GEORGIA...

AT 5:30 PM... THE SEVERE THUNDERSTORM WARNING ISSUED EARLIER FOR BALDWIN
COUNTY HAS EXPIRED.  THE STORM HAS MOVED OUT OF BALDWIN COUNTY.  THERE
WAS 1 INCH DIAMETER HAIL IN MILLEDGEVILLE JUST AFTER 5PM WITH THIS STORM.

THEE WERE NO OTHER WARNINGS IN EFFECT... BUT THE TORNADO WATCH DOES REMAIN
IN EFFECT FOR THE MIDDLE GEORGIA AREA.

RADAR INDICATED A THUNDERSHOWER IN SOUTHERN TWIGGS COUNTY WEST OF DUDLEY
AND IN IRWIN COUNTY WEST OF FITZGERALD.

THE THUNDERSHOWERS WERE MOVING NORTHEAST AT 35 MPH.
Special weather statement, Mar 31, 4:36 PM CST, 17 minutes before
GAZ006-008-009-312330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MACON GA
535 PM EST WED MAR 31 1993

...A TORNADO WATCH CONTINUES FOR MOST OF CENTRAL GEORGIA...

AT 5:30 PM... THE SEVERE THUNDERSTORM WARNING ISSUED EARLIER FOR BALDWIN
COUNTY HAS EXPIRED.  THE STORM HAS MOVED OUT OF BALDWIN COUNTY.  THERE
WAS 1 INCH DIAMETER HAIL IN MILLEDGEVILLE JUST AFTER 5PM WITH THIS STORM.

THEE WERE NO OTHER WARNINGS IN EFFECT... BUT THE TORNADO WATCH DOES REMAIN
IN EFFECT FOR THE MIDDLE GEORGIA AREA.

RADAR INDICATED A THUNDERSHOWER IN SOUTHERN TWIGGS COUNTY WEST OF DUDLEY
AND IN IRWIN COUNTY WEST OF FITZGERALD.

THE THUNDERSHOWERS WERE MOVING NORTHEAST AT 35 MPH.
Local storm report, Mar 31, 4:39 PM CST, 14 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MACON GA
540 PM EST WED MAR 31 1993

 ...PRELIMINARY INFORMATION ONLY...REPORTS MAY BE INCOMPLETE...

COUNTY.....  091 DODGE
SOURCE.....  OCMULGEE EMC
TIME.......  3:50 PM EST
LOCATION...  RHINE
TYPE STORM.  SEVERE THUNDERSTORM
WIDTH......  NONE
LENGTH.....  NONE
HAIL.......  1.5 INCH HAIL
DAMAGE.....  NONE
TREES......  NONE
INJURIES...  NONE
COST.......  UNKNOWN
Local storm report, Mar 31, 4:44 PM CST, 9 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ATHENS GA
545 PM EST WED MAR 31 1993

COUNTY........ HABERSHAM

SOURCE........ FIRE DEPT

TIME.......... 1730 EST/2230Z

LOCATION...... CLARKSVILLE GEORGIA

TYPE STORM.... THUNDERSTORM

HAIL.......... MARBLE SIZE

DAMAGE........ NONE KNOWN

INJURIES...... NONE KNOWN
Local storm report, Mar 31, 4:45 PM CST, 8 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ATHENS GA
545 PM EST WED MAR 31 1993

COUNTY........ RABUN

SOURCE........ HAM RADIO

TIME.......... 1720-1730 EST / 2220-2230Z

LOCATION...... 9 MI SOUTH OF CLAYTON GEORGIA

TYPE STORM.... THUNDERSTORM

HAIL.......... NICKEL SIZE

DAMAGE........ NONE KNOWN

INJURIES...... NONE KNOWN

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 31, 9:18 AM CSTSevere Thunderstorm WarningFFCRhea42 min
Mar 31, 3:50 PM CSTSevere Thunderstorm WarningFFCPolk25 min
Mar 31, 4:17 PM CSTSevere Thunderstorm WarningFFCRhea28 min
Mar 31, 5:36 PM CSTSevere Thunderstorm WarningFFCRhea39 min

Nearby

Severe Thunderstorm Warnings in Tennessee, 1993Every severe thunderstorm warning in 1993

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.