Alert archive / Georgia / Severe Thunderstorm Warnings in 1987

Severe Thunderstorm Warning 16, NWS Atlanta, GA

May 4, 1987Rockdale County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at May 4, 1987, 5:41 PM EDT for Rockdale County, Georgia. It was in force for 34 min.

The area

The counties it named.

The facts

Issued
May 4, 1987, 5:41 PM EDT (21:41 UTC)
Expired
May 4, 1987, 6:15 PM EDT
In force
34 min
Issued by
NWS Atlanta, GA
Area
Whole counties

County Rockdale 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 12:00Z, 9.7 hours before the alert went out and 75 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.

Skew-T log-pSkew-T log-p diagram, Athens Municipal, GA at 12:00Z on 1987-05-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 25 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Athens Municipal, GA at 12:00Z on 1987-05-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 37 square meters per square second.1939Sfc1 km3 km6 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
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

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KATL 042141
SVRATL
GAC247-042215-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ATLANTA GA
541 PM EDT MON MAY 4 1987
 
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL  615 PM EDT FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN NORTHWEST GEORGIA
          ...ROCKDALE
 
A SEVERE THUNDERSTORM WAS INDICATED BY RADAR AT 535 PM EDT NEAR
CONYERS GEORGIA. THE THUNDERSTORM WAS MOVING SOUTHEAST AT 15 MPH.
 
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.

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, 4:08 PM EDT, 1 hour 33 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, 1 hour 30 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, 1 hour 12 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 hour 3 minutes 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.
Special weather statement, May 4, 5:38 PM EDT, 3 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE ATHENS GA
530 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 530 PM EDT THE ATHENS RADAR INDICATED SCATTERED THUNDERSTORMS
FROM CENTRAL ALABAMA...ACROSS NORTH GEORGIA...INTO SOUTHEAST
TENNESSEE AND WESTERN SOUTH CAROLINA.

THE STRONGEST THUNDERSTORMS WERE LOCATED NEAR CONYERS AND NORTH OF
COVINGTON...IN GEORGIA. ALSO IN SOUTH CAROLINA THE STRONGEST
THUNDERSTORMS WERE LOCATED JUST EAST OF PICKENS AND EAST OF THE CLARK
HILL RESEVOIR.

MOVEMENT WAS SOUTHEAST AT 15 MILES AN HOUR.
Special weather statement, May 4, 5:41 PM EDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MACON GA
545 PM EDT MON MAY 4 1987

A SEVERE THUNDERSTORM WATCH CONTINUES IN EFFECT UNTIL 9PM FOR MOST
OF NORTH AND CENTRAL GEORGIA.

AT 540 PM WEATHER SERVICE RADAR IN MACON SHOWED RAIN AND THUNDERSTORMS
COVERING A LARGE PART OF NORTH AND WEST CENTRAL GEORGIA. STRONGEST
STORMS WERE LOCATED BETWEEN ATLANTA AND ATHENS AND MIDWAY BETWEEN
COLUMBUS AND MACON...NEAR BUTLER. MOVEMENT WAS EAST AT 10 MPH.

THERE WERE STILL NO THUNDERSTORMS IN THE IMMEDIATE CENTRAL GEORGIA
AREA.

PERSONS IN THE CENTRAL GEORGIA AREA SHOULD CONTINUE TO MONITOR NOAA
WEATHER RADIO OR COMMERCIAL RADIO AND TV FOR THE LATEST INFORMATION.

The office that day

Everything else NWS Atlanta, GA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 4, 1:54 PM EDTSevere Thunderstorm WarningFFCBanks, Hall21 min
May 4, 4:39 PM EDTSevere Thunderstorm WarningFFCClarke, Madison, Oglethorpe66 min
May 4, 4:39 PM EDTSevere Thunderstorm WarningFFCJackson66 min
May 4, 4:58 PM EDTSevere Thunderstorm WarningFFCDeKalb47 min
May 4, 6:05 PM EDTSevere Thunderstorm WarningFFCMorgan65 min
May 4, 7:11 PM EDTSevere Thunderstorm WarningFFCCrisp49 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; the sounding from the Mesonet's radiosonde archive.