Alert archive / Georgia / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 186, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Jul 27, 1993, 8:06 PM EDT for DeKalb County, Georgia. It was in force for 24 min.
The area
The counties it named.
The facts
- Issued
- Jul 27, 1993, 8:06 PM EDT (00:06 UTC)
- Expired
- Jul 27, 1993, 8:30 PM EDT
- In force
- 24 min
- Issued by
- NWS Atlanta, GA
- Area
- Whole counties
County DeKalb County, GA
The nearest sounding before it
Centreville/Bibb, AL (KCKL), launched 00:00Z, 0.1 hours before the alert went out and 293 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
- 959 J/kg
- Mixed-layer CIN
- -79 J/kg
- Mixed-layer LCL
- 1199 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 67 m²/s²
- 0-3 km storm-relative helicity
- 143 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.9
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KATL 280006 SVRATL GAC089-280030- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ATLANTA GA 806 PM EDT TUE JUL 27 1993 THE NATIONAL WEATHER SERVICE IN ATLANTA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 830 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN NORTHWEST GEORGIA ...SOUTHWESTERN DEKALB COUNTY AT 805 PM EDT WEATHER RADAR SHOWED A SEVERE THUNDERSTORM OVER SOUTHWESTERN DEKALB COUNTY NEAR CONLEY. THIS STORM WAS DRIFTING SOUTHWEST. 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, Jul 27, 5:17 PM EDT, 2 hours 49 minutes before
GAZ001>003-005-272230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATLANTA GA 515 PM EDT TUE JUL 27 1993 ...STRONG THUNDERSTORM WIDELY SCATTERED ACROSS NORTHWEST GEORGIA... AT 510 PM EDT...NATIONAL WEATHER SERVICE RADAR SHOWED THUNDERSTORMS HAD DEVELOPED IN PARTS OF NORTHWEST GEORGIA. AT THAT TIME THEY WERE WIDELY SCATTERED AND EXTENDED FROM THE ROME AND CHATSWORTH AREAS SOUTH TO NEAR CARROLLTON AND THEN SOUTHEAST ACROSS SOUTHERN PORTIONS OF THE GREATER ATLANTA METROPOLITAN AREA. STORMS WERE DRIFTING TOWARD THE SOUTH. DANGEROUS LIGHTNING...STRONG GUSTY WINDS...AND VERY HEAVY RAIN ARE ALL LIKELY WITH THE STRONGEST STORMS. SINCE ADDITIONAL THUNDERSTORMS COULD DEVELOP ANYWHERE INZ NORTHWEST GEORGIA THIS EVENING...PEOPLE SHOULD BE ALERT AND BE PREPARED TO SEEK SHELTER IN A SAFE PLACE QUICKLY.
Special weather statement, Jul 27, 5:35 PM EDT, 2 hours 31 minutes before
GAZ001>010-ALZ003-007-011-012-NCZ007-010>013-SCZ001>004-006- TNZ001>003-005-272230- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE ATHENS GA 530 PM EDT TUE JUL 27 1993 A CLUSTER OF STRONG THUNDERSTORMS WAS LOCATED OVER EXTREME NORTHEAST GEORGIA AND THE WESTERN TIP OF SOUTH CAROLINA. ANOTHER STRONG THUNDERSTORM WAS INDICATED OVER BANKS COUNTY OF NORTHEAST GEORGIA. THESE STORMS WERE MOVING TO THE SOUTH AT 10 MPH ACCOMPANIED BY VERY HEAVY RAINFALL...STRONG GUSTY WINDS...FREQUENT LIGHTNING AND SOME SMALL HAIL. ELSEWHERE...THUNDERSTORMS WERE SCATTERED ACROSS WESTERN AND CENTRAL GEORGIA...EASTERN ALABAMA AND SOUTHEAST TENNESSEE. THUNDERSTORMS WERE MOVING TO THE SOUTH AT0 10 MPH.
Special weather statement, Jul 27, 6:32 PM EDT, 1 hour 34 minutes before
GAZ001>010-ALZ003-007-011-012-NCZ007-010>013-SCZ001>004-006- TNZ001>003-005-272330- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE ATHENS GA 630 PM EDT TUE JUL 27 1993 STRONG THUNDERSTORMS WERE INDICATED OVER NORTHEAST GEORGIA FROM NORTHWEST OF ATHENS...NEAR JEFFERSON AND EXTEND TO NEAR DAHLONEGA. OTHER STRONG THUNDERSTORMS WERE NOTED NEAR CLAYTON IN EXTREME NORTHEAST GEORGIA. VERY HEAVY RAINFALL... STRONG GUSTY WINDS...FREQUENT LIGHTNING AND SOME SMALL HAIL ARE LIKELY IN THESE AREAS. ELSEWHERE...SHOWERS AND THUNDERSTORMS WERE SCATTERED OVER CENTRAL GEORGIA...EASTERN ALABAMA...SOUTHEAST TENNESSEE AND WESTERN SOUTH CAROLINA. THUNDERSTORMS WERE MOVING TO THE SOUTH AT 10 MPH.
Special weather statement, Jul 27, 7:30 PM EDT, 36 minutes before
GAZ001>010-ALZ003-007-011-012-NCZ007-010>013-SCZ001>004-006- TNZ001>003-005-280030- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE ATHENS GA 730 PM EDT TUE JUL 27 1993 A BAND OF STRONG THUNDERSTORMS EXTENDS ACROSS NORTHEAST GEORGIA FROM THE ATHENS AREA TO WINDER AND DAHLONEGA. THESE STORMS ARE CAPABLE OF PRODUCING HEAVY RAIN...STRONG GUSTY WINDS...FREQUENT LIGHTNING AND POSSIBLY SOME SMALL HAIL. ELSEWHERE...STRONG THUNDERSlTORMS WERE SCATTERED OVER WESTERN AND CENTRAL GEORGIA. THUNDERSTORMS WERE MOVING TO THE SOUTH AT 10 MPH.
Special weather statement, Jul 27, 7:32 PM EDT, 34 minutes before
GAZ005-006-280130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBUS GA 733 PM EDT TUE JUL 27 1993 ...STRONG THUNDERSTORMS MOVING INTO WEST CENTRAL GEORGIA... AT 725 PM EDT COLUMBUS WEATHER RADAR INDICATED AN AREA OF STRONG THUNDERSTORMS FROM MACON TO SOUTH OF MONTEZUMA. ONE OF THE STRONGEST STORMS WAS NEAR REYNOLDS AND NORTH AND SOUTH OF MONTEZUMA. THIS AREA OF THUNDERSTORMS WAS MOVING SOUTHWEST AT 10 MPH. PERSONS IN MACON AND SUMTER COUNTIES OF GEORGIA SHOULD BE ON THE LOOKOUT FOR THESE STORMS AND BE READY TO SEEK QUICK SHELTER WHEN THEY COME NEAR. FREQUENT DANGEROUS LIGHTNING..VERY HEAVY RAIN..STRONG GUSTY WIND AND POSSIBLY SOME HAIL WILL ACCOMPANY THESE STORMS. LISTEN zTO NOAA WEATHER RADIO OR OTHER NEWS MEDIA FOR LATER STATEMENTS OR POSSIBLE WARNINGS.
Special weather statement, Jul 27, 7:45 PM EDT, 21 minutes before
GAZ003-280055- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATLANTA GA 745 PM EDT TUE JUL 27 1993 ...THUNDERSTORMS IN METROPOLITAN ATLANTA... AT 740 PM EDT...NATIONAL WEATHER SERVICE RADAR SHOWED THUNDERSTORMS HAD DEVELOPED IN PARTS OF THE ATLANTA METROPOLITAN AREA. THEY WERE PRODUCING DEADLY LIGHTNING...STRONG GUSTY WINDS AND LOCALLY HEAVY DOWNPOURS AS THEY DRIFTED SOUTHWEST ACROSS THE AREA. PEOPLE IN THE ATLANTA AREA AND NEIGHBORING COUNTIES SHOULD BE BE ALERT TO THE DANGERS OF LIGHTNING. BE PREPARED TO SEEK SHELTER IN A SAFE PLACE QUICKLY.
The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 27, 8:21 PM EDT | Severe Thunderstorm Warning | FFC | Clayton, Fulton | 39 min |
| Jul 27, 8:44 PM EDT | Severe Thunderstorm Warning | FFC | Coweta | 31 min |
| Jul 27, 8:53 PM EDT | Severe Thunderstorm Warning | FFC | DeKalb | 37 min |
| Jul 27, 9:01 PM EDT | Severe Thunderstorm Warning | FFC | Coweta, Fayette | 29 min |
| Jul 28, 5:18 PM EDT | Severe Thunderstorm Warning | FFC | Jasper | 57 min |
| Jul 28, 5:32 PM EDT | Severe Thunderstorm Warning | FFC | Monroe | 58 min |
| Jul 28, 5:59 PM EDT | Severe Thunderstorm Warning | FFC | Bibb | 61 min |
| Jul 28, 6:13 PM EDT | Severe Thunderstorm Warning | FFC | Crawford | 62 min |
| Jul 28, 6:13 PM EDT | Severe Thunderstorm Warning | FFC | Jones | 62 min |
| Jul 28, 6:40 PM EDT | Severe Thunderstorm Warning | FFC | Butts | 35 min |
| Jul 28, 7:06 PM EDT | Severe Thunderstorm Warning | FFC | Spalding | 24 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.