Alert archive / Georgia / Severe Thunderstorm Warnings in 1987

Severe Thunderstorm Warning 10, NWS Atlanta, GA

April 23, 1987Greene County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Apr 23, 1987, 6:42 PM EDT for Greene County, Georgia. It was in force for 63 min. 1 report 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
Apr 23, 1987, 6:42 PM EDT (22:42 UTC)
Expired
Apr 23, 1987, 7:45 PM EDT
In force
63 min
Issued by
NWS Atlanta, GA
Area
Whole counties

County Greene 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

TimeReportWhereRemark
Apr 23, 7:00 PM EDTThunderstorm Wind 0Greene, 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, 10.7 hours before the alert went out and 43 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 1987-04-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 56 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 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 1987-04-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 37 square meters per square second.193958Sfc1 km3 km6 km9 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
56 J/kg
Mixed-layer CIN
-271 J/kg
Mixed-layer LCL
1413 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
37 m²/s²
0-3 km storm-relative helicity
45 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 KAHN 232246 COR
SVRAHN
GAC133-232345-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING. . .CORRECTION FOR MOVEMENT
NATIONAL WEATHER SERVICE ATHENS GA
642 PM EDT THU APR 23 1987

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 745 PM EDT FOR PEOPLE IN THE FOLLOWING
COUNTY OF

NORTHEAST GEORGIA...GREENE

AT 640PM RADAR INDICATED A SEVERE THUNDERSTORM 10 MILES
SOUTHWEST OF UNION POINT. THIS STORM WAS MOVING TO THE NORTHEAST
15 MPH.

 IF THREATENING CONIDTIONS ARE SIGHTED..SEEK REINFORCED SHELTER
 AND PREPARE FOR STRONG DAMAGING WIND..LARGE HAIL..VERY HEAVY RAIN
 AND LIGHTNING. REMEMBER THESE STORMS CAN OCCASIONALLY PRODUCE A
 TORNADO WITH LITTLE OR NO ADVANCE WARNING.

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, Apr 23, 4:11 PM EDT, 2 hours 31 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MACON GA
410 PM EDT THU APRIL 23 1987

AT 400 PM WEATHER RADAR IN MACON SHOWED A STRONG THUNDERSTORM IN
SOUTH HOUSTON COUNTY JUST SOUTH OF PERRY. MOVEMENT 'WAS NORTHEAST
AT 15 MILES AN HOUR.

THIS THUNDERSTORM SHOULD MOVE PAST PERRY TO THE NORTHEAST.  STRONG
GUSTY WINDS...HEAVY RAIN...DANGEROUS LIGHTNING...AND POSSIBLE SMALL
HAIL COULD OCCUR WITH THIS STORM.
Special weather statement, Apr 23, 4:48 PM EDT, 1 hour 54 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MACON GA
449 PM EDT THU APRIL 23 1987

AT 445 PM WEATHER RADAR SHOWED A STRONG THUNDERSTORM 5 MILES EAST OF
OF PERRY IN SOUTH HOUSTON COUNTY...AND ANOTHER OVER NORTHEAST MACON.
BOTH THUNDERSTORMS WERE MOVING NORTHEAST AT 15 MILES AN HOUR.

THESE THUNDERTORMS COULD PRODUCE BRIEF PERIODS OF HEAVY RAIN AND
GUSTY WINDS...AND POSSIBLE SMALL HAIL.  FREQUENT LIGHTNING STRIKES
HAVE BEEN REPORTED WITH EQUIPMMENT HIT BY THE LIGHTNING AT A RADIO
STATION IN NORTHEAST MACON.

IF YOU ARE IN THE AREA OF THESE THUNDERSTORMS...REMEMBER LIGHTNING
SAFETY RULES AND GO INSIDE AND AWAY FROM LIGHTNING AFFECTED EQUIPMENT.
Special weather statement, Apr 23, 5:50 PM EDT, 52 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MACON GA
550 PM EDT THU APRIL 23 1987

AT 540 PM WEATHER RADAR SHOWED THUNDERSTORMS CONTINUING IN CENTRAL
GEORGIA FROM MILLEDGEVILLE TO SOUTH OF HAWKINSVILLE.  THE STRONGEST
THUNDERSTORMS WERE BETWEEN MACON AND MILLEDGEVILLE NEAR GRAY.
MOVEMENT WAS NORTHEAST AT 15 MILES AN HOUR.

FREQUENT LIGHTNING STRIKES HAVE BEEN REPORTED WITH THE STRONG
THUNDERSTORMS.  BRIEF PERIODS OF HEAVY RAIN...STRONG GUSTY wWINDS...
AND POSSIBLY SMALL HAIL CAN ALSO BE EXPECTED WITH THE STRONGEST
THUNDERSTORMS NEAR GRAY AND HADDOCK IN JONES COUNTY.
Local storm report, Apr 23, 5:53 PM EDT, 49 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ATHENS GA
545 PM EDT  THUR APR 23 1987

COUNTY........ MADISON

SOURCE........ SHERIFF"S OFFICE AND DANIELSVILLE HIGHSCHOOL BASEBALL
               COACH

TIME.......... 5 PM EDT

LOCATION...... 12/15 FROM AHN

TYPE STORM.... THUNDERSTORM

HAIL.......... GOLFBALL SIZE

DAMAGE........ LARGE TREES DOWN IN HULL

INJURIES...... NONE
                ]
Local storm report, Apr 23, 6:00 PM EDT, 42 minutes before
LOCAL STORM REPORT...CORRECTION...WARNING IN EFFECT...
NATIONAL WEATHER SERVICE ATHENS GA
545 PM EDT  THUR APR 23 1987

COUNTY........ MADISON

SOURCE........ SHERIFF"S OFFICE AND DANIELSVILLE BASEBALL COACH

TIME.......... 5 PM EDT

LOCATION...... 12/15 FROM AHN

TYPE STORM.... THUNDERSTORM

HAIL.......... GOLFBALL SIZE

DAMAGE........ LARGE TREES DOWN IN HULL

INJURIES...... NONE

WARNING....... SEVERE THUNDERSTORM 415 PM EDT TO 515 PM EDT
Local storm report, Apr 23, 6:17 PM EDT, 25 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ATHENS GA
615 PM EDT THU APR 23 1987

COUNTY........ STEPHENS

SOURCE........ TOCCOA POLICE DEPARTMENT

TIME.......... 500 PM EDT

LOCATION...... 2/38 FROM AHN

TYPE STORM.... THUNDERSTORM

HAIL.......... 1/4 INCH SIZE

DAMAGE........ NONE REPORTED AT THIS TIME

INJURIES...... NONE

WARNING....... SEVERE THUNDERSTORM IN EFFECT FROM 435 PM EDT TO 530 PM EDT

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 23, 4:19 PM EDTSevere Thunderstorm WarningFFCMadison56 min
Apr 23, 4:35 PM EDTSevere Thunderstorm WarningFFCStephens55 min
Apr 23, 7:27 PM EDTSevere Thunderstorm WarningFFCWilkes63 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.