Alert archive / Georgia / Severe Thunderstorm Warnings in 1987
Severe Thunderstorm Warning 13, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at May 4, 1987, 4:39 PM EDT for Clarke County, Madison County, Oglethorpe County, Georgia. It was in force for 66 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
- May 4, 1987, 4:39 PM EDT (20:39 UTC)
- Expired
- May 4, 1987, 5:45 PM EDT
- In force
- 66 min
- Issued by
- NWS Atlanta, GA
- Area
- Whole counties
Counties Clarke County, GA, Madison County, GA, Oglethorpe County, GA
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 4, 5:00 PM EDT | Hail 0.75 | Clarke, GA | |
| May 4, 5:15 PM EDT | Thunderstorm Wind 0 | Oglethorpe, GA | |
| May 4, 5:15 PM EDT | Thunderstorm Wind 0 | Clarke, 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 12:00Z, 8.7 hours before the alert went out and 9 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
- 25 J/kg
- Mixed-layer CIN
- -193 J/kg
- Mixed-layer LCL
- 1219 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- 37 m²/s²
- 0-3 km storm-relative helicity
- 66 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 KAHN 042039 SVRAHN GAC059-157-195-221-042145- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ATHENS GA 439 PM EDT MON MAY 4 1987 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 545 PM EDT FOR PEOPLE IN THE FOLLOWING COUNTIES OF NORTHEAST GEORGIA...CLARKE...JACKSON...SOUTHWEST MADISON AND OGLETHORGE AT 435PM, A SEVERE THUNDERSTORM WAS LOCATED 10 MILES NORTH OF ATHENS IN JACKSON COUNTY MOVING TO THE SOUTHEAST AT 15 MPH. MARBLE SIZE HAIL WAS REPORTED IN NICHOLSON. A SEVERE THUNDERSTORM IS DEFINED AS HAVING WINDS AT LEAST 58 MPH AND/OR HAIL 3/4 INCH IN DIAMETER OR LARGER. IF THREATENING WEATHER APPROACHES...TAKE IMMEDIATE PRECAUTIONS.
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, May 4, 3:27 PM EDT, 1 hour 12 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATLANTA GA 325 PM EDT MON MAY 4 1987 ...SEVERE THUNDERSTORM WATCH FOR MOST OF NORTH AND CENTRAL GEORGIA UNTIL 9 PM... SCATTERED THUNDERSTORMS ARE DEVELOPING ACROSS PARTS OF NORTHWEST GEORGIA. AT 320 PM, NATIONAL WEATHER SERVICE RADARS SHOWED THE STRONGEST STORMS NORTHWEST OF ATLANTA IN THE AREA BETWEEN CEDARTOWN AND CARTERSVILLE. ANOTHER STRONG THUNDERSTORM WAS LOCATED WEST OF CARROLLTON NEAR THE ALABAMA LINE. THESE THUNDERSTORMS ARE ALL MOVING SOUTHEAST AT 15 MPH. THESE THUNDERSTORM COULD INTENSIFY FURTHER THIS AFTERNOON...AND HAIL ALONG WITH STRONG GUSTY WINDS COULD DEVELOP IN A FEW LOCALITIES. THE NATIONAL WEATHER SERVICiE MAY HAVE TO ISSUE WARNINGS FOR SOME COUNTIES. PEOPLE IN THE WATCH AREA SHOULD REMAIN ALERT AND BE ON LOOKOUT FOR DARK THREATENING CLOUDS APPROACHING FROM THE NORTHWEST.
Special weather statement, May 4, 3:34 PM EDT, 1 hour 5 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE ATHENS GA 330 PM EDT MON MAY 4 1987 SEVERE THUNDERSTORM WATCH NUMBER 84 IS IN EFFECT FOR ALL OF NORTHEAST GEORGIA EXCEPT FOR UNION, TOWNS AND RABURN COUNTIES UNTIL 900 PM EDT THIS MONDAY EVENING. SHOWERS AND STRONG THUNDERSTORMS WERE INDICATED OVER NORTHERN GEORGIA, EASTERN ALABAMA AND WESTERN SOUTH CAROLINA. THIS AREA EXTENDS ALONG AND NORTH OF A LINE FROM COLUMBUS oTO ATHENS GEORGIA AND TO COLUMBIA SOUTH CAROLINA. THE HEAVIEST STORMS WERE OVER NORTHWEST GEORGIA AND OVER WESTERN SOUTH CAROLINA. MOVEMENT WAS TO THE SOUTHEAST 15 MPH.
Special weather statement, May 4, 4:08 PM EDT, 31 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MACON GA 405 PM EDT MON MAY 4 1987 A SEVERE THUNDERSTORM WATCH CONTINUES IN EFFECT UNTIL 9PM FOR MOST OF NORTH AND CENTRAL GEORGIA. AT 4PM WEATHER SERVICE RADAR IN MACON SHOWED THUNDERSTORMS SCATTERED OVER A LARGE PART OF NORTH AND WEST CENTRAL GEORGIA. MOVEMENT WAS EAST AT 10 MPH. STRONGEST THUNDERSTORMS NEAR THE CENTRAL PART OF THE STATE WERE IN WEST CENTRAL GEORGIA NEAR REYNOLDS AND BUTLER. PERSONS IN CENTRAL GEORGIA SHOULD CONTINUE TO MONITOR NOAA WEATHER RADIO AND COMMERCIAL RADIO AND TV FOR THE LATEST WATCH INFORMATION.
Special weather statement, May 4, 4:11 PM EDT, 28 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBUS, GA 410 PM EDT MON MAY 04 1987 SEVERE THUNDERSTORM WATCH NUMBER 84 REMAINS IN EFFECT FOR MUCH OF WEST CENTRAL GEORGIA UNTIL 9PM EDT. AT 4 PM EDT COLUMBUS WEATHER RADAR SHOWED THE STRONGEST THUNDERSTORMS WERE IN NORTHEAST LEE COUNTY OF ALABAMA. SEVERAL VERY STRONG STORMS WERE SCATTERED FROM 4 MILES NORTHWEST OF OPELIKA EAST TO NEAR THE CHATTAHOOCHEE RIVER ACROSS NORTHERN LEE COUNTY. ANOTHER STRONG THUNDERSTORM WAS 10 MILES SOUTH OF BUTLER IN SOUTHERN TAYLOR COUNTY GEORGIA. ALL THIS ACTIVITY WAS MOVING JUST A LITTLE SOUTH OF DUE EAST AT 25 MILES AN HOUR. PERSONS IN EAST CENTRAL ALABAMA AND WEST CENTRAL GEORGIA SHOULD BE PREPARED FOR STRONG THUNDERSTORMS. THESE STORMS CONTAIN HAIL AND VERY HEAVY RAIN AS WELL AS DANGEROUS LIGHTNING. UNPLUG TELEVISIONS AND STAY OFF TELEPHONES AND AWAY FROM FENCES OR OPEN SPACES OUTSIDE DURING THUNDERSTORMS. STAY TUNED TO NOAA WEATHER RADIO OR OTHER NEWS MEDIA FOR LATER STATEMENTS OR WARNINGS.
Special weather statement, May 4, 4:29 PM EDT, 10 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATLANTA GA 428 PM EDT MON MAY 4 1987 ...SEVERE THUNDERSTORM WATCH FOR MOST OF NORTH AND CENTRAL GEORGIA UNTIL 9 PM... SCATTERED THUNDERSTORMS HAVE CONTINUED TO DEVELOP ACROSS MOST OF NORTH AND CENTRAL GEORGIA THIS AFTERNOON. AT 425 PM, WEATHER RADAR IN ATLANTA INDICATED THE STRONGEST STORMS WERE JUST WEST AND SOUTHWEST OF THE ATLANTA METROPOLITAN AREA. OTHER STRONG THUNDERSTROMS WERE LOCATED JUST NORTH OF AUSTELL AND WILL BE MOVING ACROSS NORTHERN ATLANTA BETWEEN 430 AND 530 PM. THE THUNDERSTORMS WERE MOVING SOUTHEAST AT 15 MPH. LAW ENFORCEMENT AGENCIES...AND AMATEUR RADIO OPERATORS HAVE REPORTED THAT THE THUNDERSTORMS HAVE PRODUCED GUSTY WINDS OF 30 TO 40 MPH. ALTHOUGH THERE HAVE BEEN NO REPORTS OF HAIL DURING THE PAST HOUR...RADAR INDICATES THAT SEVERAL OF THE STORMS ARE PRODUCING SMALL HAIL. SOME OF THE THUNDERSTORMS MAY BRIEFLY BECOME SEVERE...PRODUCING DAMAGING WINDS AND LARGE HAIL. PERSONS SHOULD BE AWARE OF THE SEVERE WEATHER THREAT AND TAKE ALL NECESSARY PRECAUTIONS AS THUNDERSTORMS APPROACH.
Special weather statement, May 4, 4:38 PM EDT, 1 minute before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE ATHENS GA 430 PM EDT MON MAY 4 1987 SEVERE THUNDERSTORM WATCH NUMBER 84 IS IN EFFECT FOR ALL OF NORTHEAST GEORGIA EXCEPT FOR UNION, TOWNS AND RABURN COUNTIES UNTIL 900 PM EDT THIS MONDAY EVENING. AT 430 PM EDT THE ATHENS RADAR INDICATED SCATTERED THUNDERSTORMS OVER NORTH GEORGIA...SOUTHEAST TENNESSEE AND WESTERN SOUTH CAROLINA. THE STRONGEST THUNDERSTORMS WERE LOCATED JUST NORTH OF ATHENS AND SOUTHWEST OF ATLANTA...IN GEORGIA. ALSO IN SOUTH CAROLINA THE STRONGEST THUNDERSTORMS WERE LOCATED JUST EAST OF PICKENS...OVER ABBEVILLE AND JUST EAST OF LAKE GREENWOOD. MOVEMENT WAS SOUTHEAST AT 15 MILES AN HOUR.
The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 4, 1:54 PM EDT | Severe Thunderstorm Warning | FFC | Banks, Hall | 21 min |
| May 4, 4:39 PM EDT | Severe Thunderstorm Warning | FFC | Jackson | 66 min |
| May 4, 4:58 PM EDT | Severe Thunderstorm Warning | FFC | DeKalb | 47 min |
| May 4, 5:41 PM EDT | Severe Thunderstorm Warning | FFC | Rockdale | 34 min |
| May 4, 6:05 PM EDT | Severe Thunderstorm Warning | FFC | Morgan | 65 min |
| May 4, 7:11 PM EDT | Severe Thunderstorm Warning | FFC | Crisp | 49 min |
Nearby
Severe Thunderstorm Warnings in Georgia, 1987Every severe thunderstorm warning in 1987
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.