Alert archive / Georgia / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 229, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Sep 20, 1993, 3:36 PM EDT for Coweta County, Fayette County, Georgia. It was in force for 54 min.
The area
The counties it named.
The facts
- Issued
- Sep 20, 1993, 3:36 PM EDT (19:36 UTC)
- Expired
- Sep 20, 1993, 4:30 PM EDT
- In force
- 54 min
- Issued by
- NWS Atlanta, GA
- Area
- Whole counties
Counties Coweta County, GA, Fayette County, GA
The nearest sounding before it
Athens Municipal, GA (KAHN), launched 12:00Z, 7.6 hours before the alert went out and 138 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.
- Mixed-layer CAPE
- 1054 J/kg
- Mixed-layer CIN
- -8 J/kg
- Mixed-layer LCL
- 589 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 103 m²/s²
- 0-3 km storm-relative helicity
- 105 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 1.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KATL 201937 SVRATL GAC077-113-199-202030- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ATLANTA GA 336 PM EDT MON SEP 20 1993 THE NATIONAL WEATHER SERVICE IN ATLANTA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 430 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN NORTHWEST GEORGIA ...SOUTHEASTERN COWETA COUNTY...FAYETTE COUNTY IN WEST CENTRAL GEORGIA ...NORTHEASTERN MERIWETHER COUNTY AT 3:35 PM EDT WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM NEAR HARALSON IN COWETA COUNTY. THE STORM WAS MOVING EAST-NORHTEAST AT 20 MPH. IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A STRONG BUILDING. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN... AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS. STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.
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, Sep 20, 2:06 PM EDT, 1 hour 30 minutes before
GAZ003-005-202015- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATLANTA GA 206 PM EDT MON SEP 20 1993 ...SCATTERED THUNDERSTORMS DEVELOPING OVER NORTHWEST AND WESTCENTRAL GEORGIA... AT 200 PM EDT WEATHER SERVICE RADARS INDICATED A LINE OF THUNDERSTORMS MOVING ACROSS NORTHWEST GEORGIA. THE LINE EXTENDED FROM NEAR DAWSONVILLE IN DAWSON COUNTY TO LAGRANGE IN TROUP COUNTY. THE STRONGER OF THESE STORMS WERE NEAR AUSTELL IN COBB COUNTY... AND NORTHWEST OF NEWNAN ON THE CARROL COUNTY - COWETA COUNTY LINE. THE STORMS WERE MOVING EAST AT 15 MPH. THESE STORMS ARE CAPABLE OF PRODUCING STRONG GUSTY WINDS...DEADLY LIGHTNING...HEAVY RAIN AND POSSIBLY SMALL HAIL. PERSONS ACROSS WESTCENTRAL AND NORTHWEST GEORGIA SHOULD BE ON THE ALERT AND BE READY TO RESPONSE QUICKLY IF THREATENING WEATHER APPROACHES YOUR AREA.
Special weather statement, Sep 20, 2:06 PM EDT, 1 hour 30 minutes before
GAZ003-005-202015- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATLANTA GA 206 PM EDT MON SEP 20 1993 ...SCATTERED THUNDERSTORMS DEVELOPING OVER NORTHWEST AND WESTCENTRAL GEORGIA... AT 200 PM EDT WEATHER SERVICE RADARS INDICATED A LINE OF THUNDERSTORMS MOVING ACROSS NORTHWEST GEORGIA. THE LINE EXTENDED FROM NEAR DAWSONVILLE IN DAWSON COUNTY TO LAGRANGE IN TROUP COUNTY. THE STRONGER OF THESE STORMS WERE NEAR AUSTELL IN COBB COUNTY... AND NORTHWEST OF NEWNAN ON THE CARROL COUNTY - COWETA COUNTY LINE. THE STORMS WERE MOVING EAST AT 15 MPH. THESE STORMS ARE CAPABLE OF PRODUCING STRONG GUSTY WINDS...DEADLY LIGHTNING...HEAVY RAIN AND POSSIBLY SMALL HAIL. PERSONS ACROSS WESTCENTRAL AND NORTHWEST GEORGIA SHOULD BE ON THE ALERT AND BE READY TO RESPONSE QUICKLY IF THREATENING WEATHER APPROACHES YOUR AREA.
Special weather statement, Sep 20, 3:30 PM EDT, 6 minutes before
GAZ001-003-005-202215- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATLANTA GA 330 PM EDT MON SEP 20 1993 ...SCATTERED THUNDERSTORMS CONTINUE TO MOVE EASTWARD ACROSS NORTHWEST GEORGIA... AT 320 PM EDT WEATHER SERVICE RADARS INDICATED THE LINE OF THUNDERSTORMS MOVING ACROSS NORTHWEST GEORGIA HAD MOVED EAST FROM NEAR CUMMING IN FORSYTH COUNTY TO DECATUR IN EASTERN METORPOLITAN ATLANTA TO GREENVILLE IN MERIWETHER COUNTY. STRONGEST STORMS AT 325 PM WERE EAST OF DECATUR AND NEAR SENOIA IN SOUTHEAST COWEATA COUNTY. INDIVIDUAL STORMS WERE MOVING EAST NORTHEAST AT 20 MILES AN HOUR. THE STORMS ARE CAPABLE OF PRODUCING STRONG GUSTY WINDS...DEADLY LIGHTNING...HEAVY RAIN AND POSSIBLY SMALL HAIL. WITH THE APPROACH OF THE STORMS...RESIDENTS OF NORTHWEST GEORGIA SHOULD BE PREPARED TO SEEK SAFETY QUICKLY. SHOWERS AND LIGHT RAIN WERE ALSO FALLING FROM CHATTANOOGA TENNESSEE TO ROME IN GEORGIA AND WILL CONTINUE THROUGH THE AFTERNOON.
The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 20, 2:49 PM EDT | Severe Thunderstorm Warning | FFC | Coweta | 41 min |
| Sep 20, 3:36 PM EDT | Severe Thunderstorm Warning | FFC | Meriwether | 54 min |
| Sep 20, 6:02 PM EDT | Severe Thunderstorm Warning | FFC | Dooly | 38 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.