Alert archive / Georgia / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 64, NWS Tallahassee, FL
NWS Tallahassee, FL issued this severe thunderstorm warning at Aug 15, 1990, 9:23 PM EDT for Decatur County, Grady County, Georgia. It was in force for 52 min.
The area
The counties it named.
The facts
- Issued
- Aug 15, 1990, 9:23 PM EDT (01:23 UTC)
- Expired
- Aug 15, 1990, 10:15 PM EDT
- In force
- 52 min
- Issued by
- NWS Tallahassee, FL
- Area
- Whole counties
Counties Decatur County, GA, Grady 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 00:00Z, 1.4 hours before the alert went out and 140 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- NaN m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 13 m²/s²
- 0-3 km storm-relative helicity
- 16 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KTLH 160125 SVRTLH GAC087-131-160215- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TALLAHASSEE FL 923 PM EDT WED AUG 15 1990 THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1015 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTHWEST GEORGIA ...SOUTHEASTERN DECATUR COUNTY...SOUTHERN GRADY COUNTY AT 918 PM EDT NATIONAL WEATHER SERVICE RADAR INDICATED THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WIND GUSTS AND LARGE HAIL OVER SOUTHEAST DECATUR AND SOUTHWEST GRADY COUNTIES OF SOUTHWEST GEORGIA. MOVEMENT WAS TOWARD THE SOUTHEAST AT 10 MILES AN HOUR. 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 WHEREw 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, Aug 15, 9:05 PM EDT, 18 minutes before
FLZ005-GAZ011-160200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TALLAHASSEE FL 903 PM EDT WED AUG 15 1990 AT 9 PM EDT NATIONAL WEATHER SERVICE INDICATED A STRONG THUNDERSTORM OVER SOUTHEAST DECATUR AND SOUTHWEST GRADY COUNTIES OF SOUTHWEST GEORGIA. THIS THUNDERSTORM IS PRODUCING VERY HEAVY RAINFALL...HAIL...AND FREQUENT LIGHTNING. STRONG GUSTY WINDS ARE ALSO POSSIBLE. THIS THUNDERSTORM IS MOVING TOWARD THE SOUTH AT 5 MILES AN HOUR AND eIT MAY MOVE INTO NORTHEASTERN GADSDEN AND NORTHERN LEON COUNTIES OF NORTH FLORIDA DURING THE NEXT HOUR.
Special weather statement, Aug 15, 9:09 PM EDT, 14 minutes before
FLZ005-GAZ011-160200- SPECIAL WEATHER STATEMENT...CORRECTION NATIONAL WEATHER SERVICE TALLAHASSEE FL 903 PM EDT WED AUG 15 1990 AT 9 PM EDT NATIONAL WEATHER SERVICE RADAR INDICATED A STRONG THUNDERSTORM OVER SOUTHEAST DECATUR AND SOUTHWEST GRADY COUNTIES OF SOUTHWEST GEORGIA. THIS THUNDERSTORM IS PRODUCING VERY HEAVY RAINFALL...HAIL...AND FREQUENT LIGHTNING. STRONG GUSTY WINDS ARE ALSO POSSIBLE. THIS THUNDERSTORM IS MOVING TOWARD THE SOUTH AT f5 MILES AN HOUR AND IT MAY MOVE INTO NORTHEASTERN GADSDEN AND NORTHERN LEON COUNTIES OF NORTH FLORIDA DURING THE NEXT HOUR.
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.