Alert archive / Georgia / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 42, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Feb 16, 1990, 1:22 AM EST for Floyd County, Polk County, Georgia. It was in force for 53 min.
The area
The counties it named.
The facts
- Issued
- Feb 16, 1990, 1:22 AM EST (06:22 UTC)
- Expired
- Feb 16, 1990, 2:15 AM EST
- In force
- 53 min
- Issued by
- NWS Atlanta, GA
- Area
- Whole counties
Counties Floyd County, GA, Polk County, GA
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Athens Municipal, GA (KAHN), launched 00:00Z, 6.4 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
- 1 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1378 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 131 m²/s²
- 0-3 km storm-relative helicity
- 171 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KATL 160623
SVRATL
GAC115-233-160715-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ATLANTA GA
122 AM EST FRI FEB 16 1990
THE NATIONAL WEATHER SERVICE IN ATLANTA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 205 AM EST
FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN NORTHWEST GEORGIA
...FLOYD...POLK
RADAR SHOWED A SEVERE THUNDERSTORM NEAR THE ALABAMA BORDER WEST OF
CEDARTOWN AT 120 AM EST. THE STORM WAS MOVING NORTHEAST AT 35 MPH
AND SHOULD PASS NEAR CEDARTOWN...CAVE SPRING AND LINDALE.
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOU*R 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, Feb 15, 7:47 PM EST, 5 hours 35 minutes before
GAZ001-003-160230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATLANTA GA 748 PM EST THU FEB 15 1990 AT 745 PM EST RADAR SHOWED A CLUSTER OF STRONG THUNDERSTORMS MOVING OUT OF NORTHEAST ALABAMA CROSSING INTO NORTHWEST GEORGIA. THIS CLUSTER OF STORMS APPEARED TO BE HEADED TOWARD HARALSON... POLK...AND FLOYD COUNTIES...OR THE AREA FROM AROUND TALLAPOOSA NORTH TO CEDARTOWN AND CAVE SPRING. THESE STORMS ARE CAPABLE OF PRODUCING STRONG GUSTY WINDS AND SMALL HAIL AS THEY MOVE NORTHEAST AT 40 MPH. VERY HEAVY DOWNPOURS ARE ALSO LIKELY. SOME FLOODING OF STREETS AND AREAS OF POOR DRAINAGE IS POSSIBLE. PEOPLE IN NORTHWEST GEORGIA SHOULD CONTINUE TO MONITOR THE PROGRESS OF WEATHER EVENTS. THIS EVENING AS ADDITIONAL THUNDERSTORMS ARE EXPECTED THROUGH THE NIGHT.
Special weather statement, Feb 15, 8:41 PM EST, 4 hours 41 minutes before
GAZ001-003-160230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATLANTA GA 840 PM EST THU FEB 15 1990 STRONG THUNDERSTORMS MOVED INTO NORTHWEST GEORGIA BETWEEN CAVE SPRING AND TALLAPOOSA AROUND 8 PM EST. SHEETS OF HEAVY RAIN AND GUSTY WINDS WERE REPORTED IN CEDARTOWN. THESE THUNDERSTORMS WILL CONTINUE MOVING NORTHEAST AT 40 MPH TOWARD DALLAS AND LAKE ALLATOONA DROPPING MORE HEAVY RAIN. GUSTY WINDS AND SMALL HAIL ARE ALSO POSSIBLE. IN ADDITON TO THE THUNDERSTORMS MUCH OF NORTHWEST GEORGIA HAS BEEN RECEIVING MODERATE TO HEAVY RAIN THIS EVENING. AMOUNTS OF AROUND ONE INCH HAVE BEEN REPORTED AT SEVERAL PLACES... INCLUDING ROME AND CHATTANOOGA. IF HEAVY RAIN CONTINUES TO FALL...SOME FLOODING OF CREEKS...SMALL STREAMS...AND AREAS OF POOR DRAINAGE MAY DEVELOP THIS EVENING. AT 835 PM EST RADAR SHOWED MORE THUNDERSTORMS IN ALABAMA HEADED TOWARD NORTHWEST GEORGIA. PEOPLE IN THE NORTHWEST COUNTIES SHOULD KEEP ABREAST OF WEATHkER DEVELOPMENTS TONIGHT.
Special weather statement, Feb 15, 9:12 PM EST, 4 hours 10 minutes before
GAZ001-003-160400- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATLANTA GA 910 PM EST THU FEB 15 1990 AT 905 PM STRONG THUNDERSTORMS HEADED TOWRD CARTERSVILLE AND LAKE ALATOONA APPEARED TO BE WEAKENING. HOWEVER...ANOTHER CLUSTER OF STRONG THUNDERSTORMS WAS MOVING OUT OF ALABAMA. THESE THUNDERSTORMS SHOULD PASS THROUGH TALLAPOOSA AND BREMEN BY 930 PM...AND SHOULD PASS VARY CLOSE TO BOWDEN...CARROLLTON... VILLA RICA...DOUGLASVILLE...AND DALLAS DURING THE NEXT HOUR OR SO. MOVEMENT WAS TO THE NORTHEAST AT AROUND 40 MPH. HEAVY RAIN... GUSTY WINDS AND SMALL HAIL ARE POSSIBLE.
The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 16, 12:16 AM EST | Flash Flood Warning | FFC | Chattooga, Floyd | 3 hr |
| Feb 16, 12:52 AM EST | Flash Flood Warning | FFC | Bartow, Gilmer, Gordon, Pickens | 3 hr |
| Feb 16, 12:52 AM EST | Flash Flood Warning | FFC | Fannin, Murray | 3 hr |
| Feb 16, 1:23 AM EST | Flash Flood Warning | FFC | Dade, Walker | 3 hr |
| Feb 16, 1:23 AM EST | Flash Flood Warning | FFC | Catoosa, Whitfield | 3 hr |
| Feb 16, 3:08 AM EST | Flash Flood Warning | FFC | Chattooga, Floyd | 3 hr |
| Feb 16, 3:51 AM EST | Flash Flood Warning | FFC | Polk | 4 hr |
| Feb 16, 3:51 AM EST | Flash Flood Warning | FFC | Fannin | 4 hr |
| Feb 16, 3:51 AM EST | Flash Flood Warning | FFC | Bartow, Gilmer, Gordon, Murray, Pickens | 4 hr |
| Feb 16, 4:39 AM EST | Flash Flood Warning | FFC | Catoosa, Walker, Whitfield | 3 hr |
| Feb 16, 4:39 AM EST | Flash Flood Warning | FFC | Dade | 3 hr |
| Feb 16, 5:58 AM EST | Severe Thunderstorm Warning | FFC | Cobb, Douglas, Fulton | 47 min |
| Feb 16, 6:29 AM EST | Flash Flood Warning | FFC | Fannin, Gilmer, Murray | 6 hr |
| Feb 16, 6:29 AM EST | Flash Flood Warning | FFC | Bartow, Floyd, Gordon, Pickens, Polk | 6 hr |
| Feb 16, 6:29 AM EST | Flash Flood Warning | FFC | Chattooga | 6 hr |
| Feb 16, 6:58 AM EST | Severe Thunderstorm Warning | FFC | Hall | 62 min |
| Feb 16, 7:03 AM EST | Severe Thunderstorm Warning | FFC | Gwinnett | 27 min |
| Feb 16, 7:20 AM EST | Severe Thunderstorm Warning | FFC | Newton, Walton | 55 min |
| Feb 16, 7:20 AM EST | Severe Thunderstorm Warning | FFC | Banks, Barrow, Jackson | 55 min |
| Feb 16, 7:20 AM EST | Severe Thunderstorm Warning | FFC | Habersham | 55 min |
| Feb 16, 8:55 AM EST | Severe Thunderstorm Warning | FFC | Rockdale | 35 min |
| Feb 16, 9:39 AM EST | Severe Thunderstorm Warning | FFC | Heard, Troup | 66 min |
| Feb 16, 10:04 AM EST | Severe Thunderstorm Warning | FFC | Coweta | 41 min |
| Feb 16, 10:43 AM EST | Flash Flood Warning | FFC | Cobb, DeKalb, Fulton | 4 hr |
| Feb 16, 12:38 PM EST | Severe Thunderstorm Warning | FFC | Houston | 37 min |
Nearby
Severe Thunderstorm Warnings in Georgia, 1990Every severe thunderstorm warning in 1990
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.