Alert archive / Georgia / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 85, NWS Atlanta, GA

May 13, 1993Franklin County, Hart County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at May 13, 1993, 2:20 PM EDT for Franklin County, Hart County, Georgia. It was in force for 40 min.

The area

The counties it named.

The facts

Issued
May 13, 1993, 2:20 PM EDT (18:20 UTC)
Expired
May 13, 1993, 3:00 PM EDT
In force
40 min
Issued by
NWS Atlanta, GA
Area
Whole counties

Counties Franklin County, GA, Hart County, GA

The nearest sounding before it

Athens Municipal, GA (KAHN), launched 12:00Z, 6.3 hours before the alert went out and 50 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, Athens Municipal, GA at 12:00Z on 1993-05-13Temperature 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, Athens Municipal, GA at 12:00Z on 1993-05-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -24 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
NaN m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
-24 m²/s²
0-3 km storm-relative helicity
47 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 KAHN 131822
SVRAHN
GAC119-147-131900-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ATHENS GA
220 PM EDT THU MAY 13 1993
 
THE NATIONAL WEATHER SERVICE IN ATHENS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  300 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...S...
 
IN NORTHEAST GEORGIA
 
   ...FRANKLIN COUNTY...HART COUNTY
 
A SEVERE THUNDERSTORM WAS INDICATED BY ATHEN"S RADAR NEAR ROYSTON
AND THE SOUTHEAST SECTION OF FRANKLIN COUNTY NORTHEAST GEORGIA.
 
THE SEVERE THUNDERSTORM WAS MOVING TO THE NORTHEAST AT 35 MPH.
 
WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING.  DO NOT STAND BY WINDOWS.  DON'T USE TELEPHONES2
OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM
HAS PASSED.  MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.

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, May 13, 1:20 PM EDT, 1 hour before
LOCAL STORM REPORT ...COR HAIL SIZE...
NATIONAL WEATHER SERVICE ATHENS GA
120 PM EDT THU MAY 13 1993

COUNTY........JACKSON

SOURCE........HAM RADIO OPERATOR

TIME..........120-130 PM EDT/1720-1730Z

LOCATION......5 MILES NORTH OF ATHENS...HWY 129

TYPE STORM....SEVERE THUNDERSTORM

HAIL..........MARBLE SIZE/NICKEL SIZE

DAMAGE........COVERING THE GROUND

INJURIES......NONE REPORTED
Local storm report, May 13, 1:21 PM EDT, 59 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ATHENS GA
120 PM EDT THU MAY 13 1993

COUNTY........HALL

SOURCE........HAM RADIO OPERATOR

TIME..........115 PM EDT/1715Z

LOCATION......2 MILES WEST OF GAIpNESVILLE

TYPE STORM....SEVERE THUNDERSTORM

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

DAMAGE........MANY SMALL LIMBS BROKEN OFF TREES

INJURIES......NONE REPORTED
Local storm report, May 13, 1:38 PM EDT, 42 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ATHENS GA
120 PM EDT THU MAY 13 1993

COUNTY........JACKSON

SOURCE........HAM RADIO OPERATOR

TIME..........120-130 PM EDT/1720-1730Z

LOCATION......5 MILES NORTH OF ATHENS...HWY 129

TYPE STORM....SEVERE THUNDERSTORM

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

DAMAGE........COVERING THE GROUND

INJURIES......NONE REPORTED
Special weather statement, May 13, 1:54 PM EDT, 26 minutes before
GAZ006-008-009-132000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MACON GA
154 PM EDT THU MAY 13 1993

...A NEW SEVERE THUNDERSTORM WATCH...NUMBER 256...HAS BEEN ISSUED FOR
EASTERN GEORGIA UNTIL 8 PM TONIGHT...

...SEVERE THUNDERSTORM WATCH NUMBER 254 CONTINUES FOR NORTH AND WEST
GEORGIA UNTIL 4 PM THIS AFTERNOON...

AT 150 PM EDT NATIONAL WEATHER SERVICE RADARS LOCATED THE LEADING EDGE
OF RAIN AND THUNDERSTORMS FROM NEAR ATHENS SOUTH TO JUST WEST OF MACON
THEN CONTINUING SOUTH TO ALBANY.

THE STRONGEST THUNDERSTORM DETECTED BY THE MACON RADAR WAS BETWEEN
REYNOLDS...ROBERTA AND FORT VALLEY MOVING NORTHEAST AT 35 MPH.
THIS THUNDERSTORM WAS PROBABLY PRODUCING HAIL AND STRONG GUSTY WIND.

DEVELOPMENT OF STRONG THUNDERSTORMS IS LIKELY.  PERS0NS NEAR
THUNDERSTORMS MUST EXPECT LIGHTNING...HAIL...STRONG GUSTY WIND AND
BRIEF PERIODS OF BLINDING RAINFALL.
Special weather statement, May 13, 1:55 PM EDT, 25 minutes before
GAZ006-008-009-132000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MACON GA
154 PM EDT THU MAY 13 1993

...A NEW SEVERE THUNDERSTORM WATCH...NUMBER 256...HAS BEEN ISSUED FOR
EASTERN GEORGIA UNTIL 8 PM TONIGHT...

...SEVERE THUNDERSTORM WATCH NUMBER 254 CONTINUES FOR NORTH AND WEST
GEORGIA UNTIL 4 PM THIS AFTERNOON...

AT 150 PM EDT NATIONAL WEATHER SERVICE RADARS LOCATED THE LEADING EDGE
OF RAIN AND THUNDERSTORMS FROM NEAR ATHENS SOUTH TO JUST WEST OF MACON
THEN CONTINUING SOUTH TO ALBANY.

THE STRONGEST THUNDERSTORM DETECTED BY THE MACON RADAR WAS BETWEEN
REYNOLDS...ROBERTA AND FORT VALLEY MOVING NORTHEAST AT 35 MPH.
THIS THUNDERSTORM WAS PROBABLY PRODUCING HAIL AND STRONG GUSTY WIND.

DEVELOPMENT OF STRONG THUNDERSTORMS IS LIKELY.  PERS0NS NEAR
THUNDERSTORMS MUST EXPECT LIGHTNING...HAIL...STRONG GUSTY WIND AND
BRIEF PERIODS OF BLINDING RAINFALL.
Local storm report, May 13, 2:12 PM EDT, 8 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ATHENS GA
205 PM EDT THU MAY 13 1993

COUNTY........MADISON COUNTY

SOURCE........OFF DUTY NATIONAL WEATHER SERVICE EMPLOYEE

TIME..........205 PM  EDT/1805Z

LOCATION......10 MILES NORTH OF DANIELSVILLE GA.

TYPE STORM....SEVERE THUNDERSTORM

HAIL..........ONE INCH HALE

DAMAGE........COVERING THE GROUND

INJURIES......NONE REPORTED

The office that day

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

IssuedProductOfficeCountiesLasted
May 13, 8:19 AM EDTSevere Thunderstorm WarningFFCClayton, DeKalb, Henry56 min
May 13, 8:19 AM EDTSevere Thunderstorm WarningFFCRockdale56 min
May 13, 10:33 AM EDTSevere Thunderstorm WarningFFCCarroll, Paulding42 min
May 13, 12:09 PM EDTSevere Thunderstorm WarningFFCBarrow, Jackson66 min
May 13, 12:09 PM EDTSevere Thunderstorm WarningFFCWalton66 min
May 13, 12:12 PM EDTSevere Thunderstorm WarningFFCGwinnett48 min
May 13, 12:29 PM EDTSevere Thunderstorm WarningFFCPike, Spalding46 min
May 13, 1:14 PM EDTSevere Thunderstorm WarningFFCBanks, Franklin, Habersham, Stephens61 min
May 13, 1:14 PM EDTSevere Thunderstorm WarningFFCClarke, Madison, Oconee61 min
May 13, 1:14 PM EDTSevere Thunderstorm WarningFFCBarrow, Walton51 min
May 13, 1:14 PM EDTSevere Thunderstorm WarningFFCJackson51 min
May 13, 2:08 PM EDTSevere Thunderstorm WarningFFCEmanuel, Jenkins67 min

Nearby

Severe Thunderstorm Warnings in Georgia, 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.