Alert archive / Georgia / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 36, NWS Tallahassee, FL
NWS Tallahassee, FL issued this severe thunderstorm warning at May 6, 1999, 8:38 PM EDT for Irwin County, Tift County, Georgia. It was in force for 32 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
- May 6, 1999, 8:38 PM EDT (00:38 UTC)
- Expired
- May 6, 1999, 9:10 PM EDT
- In force
- 32 min
- Issued by
- NWS Tallahassee, FL
- Area
- Whole counties
Counties Irwin County, GA, Tift County, GA
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 6, 8:45 PM EDT | Hail 1 | Harding, GA | Quarter size hail reported by Tift County EMA. |
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.
The nearest sounding before it
Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 0.6 hours before the alert went out and 152 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
- 1740 J/kg
- Mixed-layer CIN
- -21 J/kg
- Mixed-layer LCL
- 777 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 72 m²/s²
- 0-3 km storm-relative helicity
- 86 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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.
NWS Tallahassee, FL wrote its last area forecast discussion before this severe thunderstorm warning went out at May 6, 8:30 PM EDT, 8 minutes earlier.
Area forecast discussion, May 6, 8:30 PM EDT, 8 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TALLAHASSEE FL 830 PM EDT THU MAY 6 1999 VERY ACTIVE EVENING AND WE ARE EARNING OUR PAY...SO I WILL BE BRIEF (FOR ME). VERY SLOW MOVING SQUALL LINE OF VERY STRONG-SEVERE THUNDERSTORMS AND TORRENTIAL RAIN...AND SEVERAL TORNADOS DEVELOPING THIS LATE AFTERNOON AND EVENING IN AN AREA OF VERY HUMID SLY GULF INFLOW AND VERY UNSTABLE AIRASS. SEVERE WEATHER FOCUSED ACROSS SW/SC GEORGIA IN VICINITY OF OUTFLOW BOUNDARY DRIFTING SEWD. WITH MEAN H7-H5 FLOW SWLY...STORMS TRAINING NEWD THUS MAJOR FOCUS NEWD ALONG LINE FROM MITCHELL TO COLQUITT TO WORTH AND TIFT COUNTIES AND SHUD CONT SIMILIAR TRAJECTORY INTO LATE EVENING. PLEASE SEE VARIOUS LOCAL SVR/TOR/SVS/FFS PRODUCTS FOR MORE DETAILS. OF CONCERN ALSO IS FLOODING POTENTIAL FOR SE ALA-SW GA. DOPPLER RAINFALL ESTIMATES IMPRESSIVE...6 INCHES STORM TOTAL AND 3-31/2 INCHES LAST 3 HOURS. HOWEVER NO REPORTS OF FLOODING. ANOTHER CONCERN IS CONTINUED SE DRIFT OF OUTFLOW AND SEA BREEZE BOUNDARY INTERACTION ALONG MAINLY EXTREME ERN PANHANDLE AND BIG BEND COASTAL SECTIONS TOWARDS MIDNIGHT. OTHERWISE COLD FRONT FROM EXTREME ERN OHIO THRU MISS CONTS TO MOVE SLOWLY ESE...PER SATELLITE IT SHUD WEAKEN OVERNIGHT AND INTO SATURDAY...BUT PROVIDE ENUF LIFT FOR CHANCE OF SHOWERS AND TSTMS SAT AFTERNOON. BLOCK
In the hours before
Local storm report, May 6, 5:01 PM EDT, 3 hours 37 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
501 PM EDT THU MAY 06 1999
TIME(EST) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0230 PM DAKOTA GA 1.75 INCH HAIL
05/06/99 TURNER GOLFBALL SIZED HAIL
REPORTED BY COUNTY EMA.The office that day
Everything else NWS Tallahassee, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 7, 3:07 AM EDT | Tornado Warning | TAE | Bay | 33 min |
| May 7, 3:46 AM EDT | Tornado Warning | TAE | Bay | 59 min |
| May 7, 4:44 AM EDT | Tornado Warning | TAE | Jackson | 31 min |
| May 7, 5:13 AM EDT | Tornado Warning | TAE | Bay | 32 min |
| May 7, 5:51 AM EDT | Severe Thunderstorm Warning | TAE | Bay | 34 min |
| May 7, 6:42 AM EDT | Flash Flood Warning | TAE | Bay | 4 hr |
| May 7, 7:20 AM EDT | Tornado Warning | TAE | Gulf | 35 min |
| May 6, 8:05 PM EDT | Severe Thunderstorm Warning | TAE | Tift, Worth | 35 min |
| May 6, 10:18 PM EDT | Tornado Warning | TAE | Turner | 27 min |
| May 7, 5:07 AM EDT | Tornado Warning | TAE | Colquitt | 33 min |
| May 7, 5:07 AM EDT | Tornado Warning | TAE | Miller | 33 min |
Nearby
Severe Thunderstorm Warnings in Georgia, 1999Every severe thunderstorm warning in 1999
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.