Alert archive / Georgia / Severe Thunderstorm Warnings in 1991
Severe Thunderstorm Warning 36, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Mar 29, 1991, 5:48 AM EST for Floyd County, Polk County, Georgia. It was in force for 42 min. 3 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Mar 29, 1991, 5:48 AM EST (10:48 UTC)
- Expired
- Mar 29, 1991, 6:30 AM EST
- In force
- 42 min
- Issued by
- NWS Atlanta, GA
- Area
- Whole counties
Counties Floyd County, GA, Polk County, GA
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 29, 6:15 AM EST | Thunderstorm Wind 0 | Polk, GA | |
| Mar 29, 6:15 AM EST | Thunderstorm Wind 0 | Floyd, GA | |
| Mar 29, 6:30 AM EST | Thunderstorm Wind 0 | Polk, GA |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Athens Municipal, GA (KAHN), launched 00:00Z, 10.8 hours before the alert went out and 176 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
- 3 J/kg
- Mixed-layer CIN
- -209 J/kg
- Mixed-layer LCL
- 874 m above ground
- 0-6 km bulk shear
- 66 kt
- 0-1 km storm-relative helicity
- 62 m²/s²
- 0-3 km storm-relative helicity
- 153 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.5
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KATL 291058 RRA SVRATL GAC115-233-291130- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ATLANTA GA 548 AM EST FRI MAR 29 1991 THE NATIONAL WEATHER SERVICE IN ATLANTA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 630 AM EST FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN NORTHWEST GEORGIA ...FLOYD COUNTY...POLK COUNTY RADAR INDICATED A SEVERE THUNDERSTORM IN ALABAMA NORTHEAST OF ANNISTON MOVING TO THE NORTHEAST AT 45 MPH. THIS WILL BRING THE THUNDERSTORM ACROSS POLK COUNTY NEAR CEDARTOWN AND ACROSS FLOYD COUNTY NEAR CAVE SPRINGS WITHIN THE NEXT 30 TO 45 MINUTES. THIS THUNDERSTORM CONTAINS DAMAGING WINDS ALONG WITH HAIL 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.
The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 29, 7:46 AM EST | Severe Thunderstorm Warning | FFC | Carroll | 29 min |
| Mar 29, 8:29 AM EST | Severe Thunderstorm Warning | FFC | Cobb | 31 min |
| Mar 29, 8:31 AM EST | Severe Thunderstorm Warning | FFC | Douglas | 29 min |
| Mar 29, 8:37 AM EST | Tornado Warning | FFC | Cobb | 38 min |
| Mar 29, 8:46 AM EST | Severe Thunderstorm Warning | FFC | Fulton | 44 min |
| Mar 29, 9:05 AM EST | Severe Thunderstorm Warning | FFC | DeKalb | 40 min |
| Mar 29, 9:16 AM EST | Severe Thunderstorm Warning | FFC | Coweta, Fayette | 44 min |
| Mar 29, 9:24 AM EST | Severe Thunderstorm Warning | FFC | Gwinnett | 51 min |
| Mar 29, 9:29 AM EST | Severe Thunderstorm Warning | FFC | Clayton, Fulton | 46 min |
| Mar 29, 9:32 AM EST | Severe Thunderstorm Warning | FFC | Jasper, Monroe | 58 min |
| Mar 29, 9:39 AM EST | Severe Thunderstorm Warning | FFC | Butts, Lamar | 51 min |
| Mar 29, 9:41 AM EST | Severe Thunderstorm Warning | FFC | Crawford | 64 min |
| Mar 29, 9:55 AM EST | Severe Thunderstorm Warning | FFC | Morgan, Newton, Oconee, Walton | 65 min |
| Mar 29, 10:14 AM EST | Severe Thunderstorm Warning | FFC | Banks, Franklin, Habersham, Jackson, Stephens | 61 min |
| Mar 29, 10:14 AM EST | Severe Thunderstorm Warning | FFC | Barrow | 61 min |
| Mar 29, 10:20 AM EST | Severe Thunderstorm Warning | FFC | Meriwether, Troup | 25 min |
| Mar 29, 11:01 AM EST | Severe Thunderstorm Warning | FFC | Elbert, Franklin, Hart, Madison | 119 min |
| Mar 29, 11:01 AM EST | Severe Thunderstorm Warning | FFC | Clarke, Oconee, Oglethorpe | 119 min |
| Mar 29, 11:01 AM EST | Severe Thunderstorm Warning | FFC | Stephens | 119 min |
| Mar 29, 11:12 AM EST | Tornado Warning | FFC | Monroe | 48 min |
| Mar 29, 11:32 AM EST | Severe Thunderstorm Warning | FFC | Jasper, Jones | 58 min |
| Mar 29, 11:32 AM EST | Severe Thunderstorm Warning | FFC | Crawford | 58 min |
| Mar 29, 11:50 AM EST | Severe Thunderstorm Warning | FFC | Bibb, Houston, Peach | 55 min |
| Mar 29, 12:36 PM EST | Severe Thunderstorm Warning | FFC | Twiggs | 69 min |
| Mar 29, 12:45 PM EST | Severe Thunderstorm Warning | FFC | Glascock, Jefferson, Washington | 60 min |
| Mar 29, 12:50 PM EST | Severe Thunderstorm Warning | FFC | Houston | 55 min |
| Mar 29, 12:50 PM EST | Severe Thunderstorm Warning | FFC | Wilkinson | 55 min |
| Mar 29, 1:42 PM EST | Severe Thunderstorm Warning | FFC | Burke, Emanuel, Jefferson, Johnson | 33 min |
| Mar 29, 2:24 PM EST | Severe Thunderstorm Warning | FFC | Upson | 36 min |
| Mar 29, 2:25 PM EST | Severe Thunderstorm Warning | FFC | Burke, Jenkins, Screven | 35 min |
| Mar 29, 3:19 PM EST | Severe Thunderstorm Warning | FFC | Bibb, Crawford, Peach | 56 min |
Nearby
Severe Thunderstorm Warnings in Georgia, 1991Every severe thunderstorm warning in 1991
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.