Alert archive / Georgia / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 48, NWS Tallahassee, FL
NWS Tallahassee, FL issued this severe thunderstorm warning at May 21, 1990, 5:51 PM EDT for Macon County, Georgia. It was in force for 54 min. 2 reports 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
- May 21, 1990, 5:51 PM EDT (21:51 UTC)
- Expired
- May 21, 1990, 6:45 PM EDT
- In force
- 54 min
- Issued by
- NWS Tallahassee, FL
- Area
- Whole counties
County Macon 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
| Time | Report | Where | Remark |
|---|---|---|---|
| May 21, 6:00 PM EDT | Thunderstorm Wind 0 | Macon, GA | |
| May 21, 6:15 PM EDT | Thunderstorm Wind 0 | Macon, 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, 9.9 hours before the alert went out and 190 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
- 1302 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 12 m²/s²
- 0-3 km storm-relative helicity
- 37 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 KCSG 212152 SVRCSG GAC193-212245- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE COLUMBUS GA 551 PM EDT MON MAY 21 1990 THE NATIONAL WEATHER SERVICE IN COLUMBUS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 645 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN WEST CENTRAL GEORGIA ...MACON COUNTY AT 550 PM EDT WEATHER SERVICE RADARS INDICATED A SEVERE THUNDERSTORM NEAR MONTEZUMA GEORGIA MOVING NORTHEAST AT 20 MILES AN HOUR. HAIL IS INDICATED IN THIS STORM. 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 INSIDE 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, May 21, 4:52 PM EDT, 59 minutes before
FLZ004-212140- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE APALACHICOLA FL 450 PM EDT MON MAY 21 1990 ...A SEVERE THUNDERSTORMS WATCH IS IN EFFECT FOR GULF COUNTY UNTIL 10 PM EDT... AT 425 PM EDT...SEVERAL THUNDERSTORMS WITH VERY HEAVY RAIN WERE LOCATED OVER SOUTHEAST ALABAMA ONE ENTERING COVINGTON COUNTY THE OTHER WAS LOCATED 30 MILES NORTH OF DOTHAN ALABAMA. ELSEWHERE...THUNDERSTORMS WITH VERY HEAVY RAIN COVERED SECTIONS OF SOUTHEAST ALABAMA AND SOUTHWEST GEORGIA. OVER THE GULF...SHOWERS AND A FEW THUNDERSTORMS WERE LOCATED FROM PENSACOLA TO OFFSHORE OF APALACHICOLA AND EXTENDED OUT 100 MILES. MOVEMENT WAS TO THE NORTHEAST AT 25 MILES AN HOUR.
Special weather statement, May 21, 5:19 PM EDT, 32 minutes before
FLZ003-005-006-007-GAZ011-012-212215- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TALLAHASSEE FL 518 PM EDT (418 PM CDT) MON MAY 21 1990 AT 515 PM NATIONAL WEATHER SERVICE RADAR INDICATED THUNDERSTORMS WITH VERY HEAVY RAIN FROM 20 MILES NORTHEAST OF TALLAHASSEE TO JUST WEST OF VALDOSTA GA TO CAIRO GA TO DOTHAN AL. MOVEMENT WAS EAST AT 25 MPH. THE HEAVIEST RAINFALL WAS NORTHEAST OF TALLAHASSEE NEAR MICCOUSKEE. THESE THUNDERSTORMS WILL PRODUCE STRONG GUSTY WINDS...VERY HEAVY RAINFALL...DANGEROUS LIGHTNING AND POSSIBLE SMALL HAIL AS THEY MOVE THROUGH THE AREA DURING THE NEXT COUPLE OF HOURS. STAY TUNED TO NOAA WEATHER RADIO FOR ADDITIONAL STATEMENTS ON THESE THUNDERSTORMS. ADB
Special weather statement, May 21, 5:38 PM EDT, 13 minutes before
FLZ004-212240- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE APALACHICOLA FL 538 PM EDT MON MAY 21 1990 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR GULF AND FRANKLIN COUNTY UNTIL 10 PM EDT... AT 525 PM EDT...SEVERAL STRONG THUNDERSTORMS WITH VERY HEAVY RAIN WERE LOCATED IN SOUTHWEST GEORGIA...30 MILES SOUTH OF ALBANY IN GRADY COUNTY AND ALONG THE FLORIDA/GEORGIA STATE LINE 30 MILES NORTHEAST OF TALLAHASSEE. ELSEWHERE..SHOWERS AND THUNDERSTORMS WERE LOCATED OVER SOUTHEAST ALABAMA SOUTH GEORGIA. SHOWERS OVER THE GULF WERE LOCATED FROM OFFSHORE OF PENSACOLA TO OFFSHORE OF CEDAR KEY AND EXTENDED OUT BEYOND 125 MILES. MOVEMENT WAS TO THE NORTHEAST AT 25 MILES AN HOUR.
The office that day
Everything else NWS Tallahassee, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 21, 2:41 PM EDT | Severe Thunderstorm Warning | TAE | Lee, Worth | 49 min |
| May 21, 3:48 PM EDT | Severe Thunderstorm Warning | TAE | Chattahoochee, Muscogee | 57 min |
| May 21, 4:30 PM EDT | Severe Thunderstorm Warning | TAE | Sumter | 60 min |
| May 21, 4:57 PM EDT | Tornado Warning | TAE | Sumter | 33 min |
| May 21, 6:47 PM EDT | Severe Thunderstorm Warning | TAE | Mitchell | 58 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.