Alert archive / Georgia / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 76, NWS Tallahassee, FL
NWS Tallahassee, FL issued this severe thunderstorm warning at Aug 23, 1990, 7:03 PM EDT for Decatur County, Georgia. It was in force for 27 min.
The area
The counties it named.
The facts
- Issued
- Aug 23, 1990, 7:03 PM EDT (23:03 UTC)
- Expired
- Aug 23, 1990, 7:30 PM EDT
- In force
- 27 min
- Issued by
- NWS Tallahassee, FL
- Area
- Whole counties
County Decatur 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, 11.1 hours before the alert went out and 134 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
- 1778 J/kg
- Mixed-layer CIN
- -19 J/kg
- Mixed-layer LCL
- 868 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 70 m²/s²
- 0-3 km storm-relative helicity
- 60 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 KTLH 232303 SVRTLH GAC087-232330- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TALLAHASSEE FL 703 PM EDT THU AUG 23 1990 THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 730 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTHWEST GEORGIA ...EASTERN DECATUR COUNTY AT 700 PM EDT...RADAR INDICATED A SEVERE THUNDERSTORM DRIFTING WESTWARD FROM GRADY COUNTY INTO DECATUR COUNTY. IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A STRONG BUILDING. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN... AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS. STAY INS1IDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.
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 23, 1:12 PM EDT, 5 hours 51 minutes before
FLZ005-006-231900 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TALLAHASSEE FL 110 PM EDT THU AUG 23 1990 AT 100 PM EDT NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF SHOWERS AND THUNDERSTORMS EXTENDING FROM PERRY FLORIDA AND THEN OUT OVER THE APALACHEE BAY FOR ABOUT 50 MILES SOUTHWEST OF CROSS CITY. SHOWERS AND THUNDERSTORMS ALSO COVERED MUCH OF THE GULF WATERS FROM 40 TO 125 MILES SOUTHEAST THROUGH SOUTHWEST OF APALACHICOLA. MOVEMENT OF THESE STORMS WAS TO THE EAST AT 15 MPH. THESE STORMS WILL MOVE OVER THE COASTAL WATERS OF TAYLOR AND DIXIE COUNTIES DURING THE NEXT COUPLE OF HOURS. PERSONS IN THE VICINITY OF THESE STORMS CAN EXPECT VERY HEAVY RAIN IN A SHORT PERIOD OF TIME...STRONG WIND GUSTS AND FREQUENT CLOUD TO GROUND LIGHTNING. BOATERS AND FISHERMEN IN THE APALACHEE BAY SHOULD SEEK SAFE HARBOR IF THREATENING WEATHER APPROACHES. STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER INFORMATION.
Special weather statement, Aug 23, 3:06 PM EDT, 3 hours 57 minutes before
FLZ005-006-GAZ011-232000 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TALLAHASSEE FL 305 PM EDT THU AUG 23 1990 AT 300 PM EDT NATIONAL WEATHER SERVICE RADAR INDICATED SCATTERED SHOWERS AND THUNDERSTORMS EXTENDING FROM HAVANA FLORIDA TO MICCOSUKEE FLORIDA AND INTO SOUTHWEST GEORGIA TO NEAR MOULTRIE. SHOWERS AND THUNDERSTORMS WERE ALSO OVER NORTHWESTERN DIXIE COUNTY OF FLORIDA. SHOWERS AND THUNDERSTORMS ALSO COVERED MUCH OF THE GULF WATERS FROM 50 TO 125 MILES SOUTHEAST THROUGH SOUTHWEST OF APALACHICOLA. MOVEMENT OF THESE STORMS WAS TO THE EAST AT 15 MPH. PERSONS IN THE VICINITY OF THESE STORMS CAN EXPECT VERY HEAVY RAIN IN A SHORT PERIOD OF TIME...STRONG WIND GUSTS ANDN FREQUENT CLOUD TO GROUND LIGHTNING. BOATERS AND FISHERMEN NEAR THE COASTAL WATERS OF DIXIE COUNTY SHOULD SEEK SAFE HARBOR IF THREATENING WEATHER APPROACHES. STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER STATEMENTS.
The office that day
Everything else NWS Tallahassee, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 23, 6:31 PM EDT | Severe Thunderstorm Warning | TAE | Grady | 44 min |
| Aug 23, 6:44 PM EDT | Severe Thunderstorm Warning | TAE | Baker, Early, Miller | 61 min |
| Aug 23, 6:44 PM EDT | Severe Thunderstorm Warning | TAE | Mitchell | 61 min |
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.