Alert archive / Tennessee / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 43, NWS Atlanta, GA

March 31, 1993Rhea County, Tennessee

NWS Atlanta, GA issued this severe thunderstorm warning at Mar 31, 1993, 10:18 AM EST for Rhea County, Tennessee. It was in force for 42 min.

The area

The counties it named.

The facts

Issued
Mar 31, 1993, 10:18 AM EST (15:18 UTC)
Expired
Mar 31, 1993, 11:00 AM EST
In force
42 min
Issued by
NWS Atlanta, GA
Area
Whole counties

County Rhea County, TN

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 3.3 hours before the alert went out and 162 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 311518
SVRCHA
TNC143-311600-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHATTANOOGA TN
1018 AM EST WED MAR 31 1993
 
THE NATIONAL WEATHER SERVICE IN CHATTANOOGA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1100 AM EST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTHEAST TENNESSEE
 
   ...RHEA COUNTY
 
AT 1015 AM EDT WEATHER RADAR INDICATED A SEVERE THUNDERSTORM IN EXTREME
SOUTHEASTERN BLEDSOE COUNTY...NEAR THE HAMILTON COUNTY LINE.
 
THIS THUNDERSTORM WAS MOVING TOWARD THE NORTHEAST AT 35 MPH AND WILL
MOVE INTO SOUTHWESTERN RHEA COUNTY SHORTLY.
 
PERSONS IN RHEA COUNTY SHOULD BE ALERT FOR LARGE HAIL...DAMAGING WINDS
AND LOCALLY 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 ROADS 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, Mar 31, 6:11 AM EST, 4 hours 7 minutes before
GAZ006-008-009-311200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MACON GA
608 AM EST WED MAR 31 1993

...TORNADO WATCH IN EFFECT FOR MACON COUNTY UNTIL 9 AM EST...

AT 600 AM EST RADAR SHOWED THAT A BROAD AREA OF LIGHT TO MODERATE
RAIN WITH EMBEDDED THUNDERSTORMS HAD SPREAD ACROSS MOST OF THE NORTH
HALF OF CENTRAL GEORGIA.  MACON AND THE WARNER ROBINS VICINITY HAD
THUNDERSTORMS.  THE STORMS WERE CLUSTERED FROM 8 MILES SOUTH TO 20 MILES
SOUTHWEST OF MACON AND WERE MOVING NORTHEAST 25 MILES AN HOUR.

NO SEVERE WEATHER HAS AS YET BEEN REPORTED IN OR NEAR MIDDLE GEORGIA
BUT BE ADVISED ANY OF THE STORMS IN THE AREA COULD BECOME SEVERE.

STAY TUNED TO NOAA RADIO OR LOCAL RADIO OR TV FOR PROGRESS REPORTS
ON THE STORM ACTIVITY AND WARNINGS WHEN NECESSARY.
Local storm report, Mar 31, 6:36 AM EST, 3 hours 42 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ATLANTA GA
630 AM EST WED MAR 31 1993

COUNTY..... CARROLL COUNTY
TYPE....... HAIL...BRIEF HAIL SHOWER...LARGEST STONES 1/2 INCH DIAMETER.
SOURCE..... OFF DUTY: WEATHER OBSERVER.
TIME....... 550 AM EST 3/31/93
LOCATION... SOUTHEAST OF CARROLLTON
DAMAGE..... NONE.
Special weather statement, Mar 31, 7:55 AM EST, 2 hours 23 minutes before
GAZ006-008-009-311400-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MACON GA
800 AM EST WED MAR 31 1993

...TORNADO WATCH IN EFFECT FOR MACON COUNTY UNTIL 9 AM EST...

AT 750 AM EST RADAR SHOWED THAT A BROAD AREA OF LIGHT TO MODERATE
RAIN WITH EMBEDDED THUNDERSTORMS HAD SPREAD ACROSS CENTRAL GEORGIA.
THE STRONGEST THUNDERSTORMS WERE NOTED IN MONROE COUNTY WEST OF BOLINGBROKE
AND EXTENDED SOUTH TO NEAR FORT VALLEY GEORGIA. MOVEMENT WAS NORTHEAST
AT 35 MPH.

HEAVY RAINFALL..GUSTY WINDS AND HAIL MAY BE PRODUCED BY THESE STORMS
AS THEY MOVE ACROSS CENTRAL GEORGIA THIS MORNING.

PERSONS IN OR NEAR THESE THUNDERSTORMS SHOULD MOVE INDOORS UNTIL THEY
PASS OUT OF YOUR AREA.

STAY TUNED TO NOAA WEATHER RADIO FOR ADDITIONAL STATEMENTS.
Special weather statement, Mar 31, 9:23 AM EST, 55 minutes before
GAZ005-008-011-ALZ012-GAZ012-006-311630-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBUS GA
924 AM EST WED MAR 31 1993

...TORNADO WATCH IN EFFECT UNTIL 2 PM FOR WEST CENTRAL..SOUTHWEST..AND
SOUTHCENTRAL GEORGIA...

AT 920 EST WEATHER RADAR INDICATED A LARGE AREA OF RAIN AND
THUNDERSTORMS BETWEEN THE CITIES OF COLUMBUS.. MACON AND ALBANY. THE
STRONGEST STORMS WERE NEAR MACON AND TIFTON MOVING NORTHEAST AT 40 MPH.

PEOPLE ACROSS WEST CENTRAL..SOUTHWEST..AND SOUTHCENTRAL GEORGIA SHOULD
REMAIN ALERT FOR THE REMAINDER OF THE MORNING FOR APPROACHING
THUNDERSTORMS. THUNDERSTORMS WILL PRODUCE HEAVY RAIN..GUSTY WIND..HAIL
AND POSSIBLY TORNADOS.

STAY TUNED TO NOAA WEATHER RADIO FOR LATER STATEMENTS OR WARNINGS.
Special weather statement, Mar 31, 9:52 AM EST, 26 minutes before
GAZ003-311600-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ATLANTA GA
951 AM EST WED MAR 31 1993

AT 9:48 AM WEATHER SERVICE RADAR INDICATED STRONG THUNDERSTORMS
OVER NORTHEAST MERIWETHER COUNTY... NEAR GRIFFIN IN SPALDING
COUNTY AND  NEAR MCDONOUGH IN HENRY COUNTY. THE STORMS MAY BE
BE ACCOMPANIED BY GUSTY WINDS...HEAVY DOWNPOURS AND SMALL HAIL
AS THEY MOVE ACROSS THE AREA.

THE STORMS WERE MOVING NORTHEAST AT ABOUT 35 MPH.
Local storm report, Mar 31, 10:03 AM EST, 15 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MACON GA
1000 AM EST WED MAR 31 1993

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

COUNTY.....  079 CRAWFORD
SOURCE.....  SHERIFFS OFFICzE.
TIME.......  0925 EST
LOCATION...  MUSSELLA
TYPE STORM.  SEVERE THUNDERSTORM
WIDTH......  NONE
LENGTH.....  NONE
HAIL.......  1.00 INCH
DAMAGE.....  NONE
TREES......  NONE
INJURIES...  NONE
COST.......  UNKNOWN

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 31, 4:50 PM ESTSevere Thunderstorm WarningFFCPolk25 min
Mar 31, 5:17 PM ESTSevere Thunderstorm WarningFFCRhea28 min
Mar 31, 5:53 PM ESTSevere Thunderstorm WarningFFCBledsoe37 min
Mar 31, 6:36 PM ESTSevere 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.