Alert archive / Georgia / Severe Thunderstorm Warnings in 1987

Severe Thunderstorm Warning 21, NWS Tallahassee, FL

July 28, 1987Mitchell County, Georgia

NWS Tallahassee, FL issued this severe thunderstorm warning at Jul 28, 1987, 5:29 PM EDT for Mitchell County, Georgia. It was in force for 46 min.

The area

The counties it named.

The facts

Issued
Jul 28, 1987, 5:29 PM EDT (21:29 UTC)
Expired
Jul 28, 1987, 6:15 PM EDT
In force
46 min
Issued by
NWS Tallahassee, FL
Area
Whole counties

County Mitchell 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

Apalachicola Mun, FL (KAQQ), launched 12:00Z, 9.5 hours before the alert went out and 183 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, Apalachicola Mun, FL at 12:00Z on 1987-07-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1733 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, Apalachicola Mun, FL at 12:00Z on 1987-07-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -40 square meters per square second.1939Sfc1 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
1733 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
671 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
-40 m²/s²
0-3 km storm-relative helicity
-2 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 KCSG 282129
SVRCSG
GAC205-282215-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE COLUMBUS GA
529 PM EDT TUE JUL 28 1987
 
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL  615 PM EDT FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN SOUTHWEST GEORGIA
          ...MITCHELL
 
AT 525 PM EDT COLUMBUS WEATHER RADAR INDICATED A SEVERE THUNDERSTORM
NEAR THE COMMUNITY OF BACONTON IN NORTH MITCHELL COUNTY MOVING
SOUTHEAST AT 10 MPH. MARBLE SIZED HAIL HAS ALREADY BEEN REPORTED
WITH THIS STORM IN ALBANY.
 
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.

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.