Alert archive / Georgia / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 226, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at May 23, 1999, 3:40 PM EDT for Greene County, Georgia. It was in force for 35 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 23, 1999, 3:40 PM EDT (19:40 UTC)
- Expired
- May 23, 1999, 4:15 PM EDT
- In force
- 35 min
- Issued by
- NWS Atlanta, GA
- Area
- Whole counties
County Greene County, GA
The radar
The Robins AFB radar (KJGX), 102 km from the middle of the area, began a volume at 19:39 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 23, 3:55 PM EDT | Thunderstorm Wind | Greensboro, GA | Greene county 911 reported a couple of trees down across Penfield highway. |
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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 23, 1:30 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 7.7 hours before the alert went out and 126 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
- 299 J/kg
- Mixed-layer CIN
- -70 J/kg
- Mixed-layer LCL
- 1083 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- -39 m²/s²
- 0-3 km storm-relative helicity
- -42 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.
In the hours before
Special weather statement, May 23, 11:20 AM EDT, 4 hours 20 minutes before
GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086- 091>098-103>113-231900- NORTH AND CENTRAL GEORGIA THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE PEACHTREE CITY GA 1120 AM EDT SUN MAY 23 1999 THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS OVER NORTH AND CENTRAL GEORGIA LATE THIS AFTERNOON AND TONIGHT. A COLD FRONT WILL MOVE INTO THE TENNESSEE VALLEY OVERNIGHT. A WARM AND MOIST AIRMASS AHEAD OF THIS COLD FRONT...COMBINED WITH AN UPPER LEVEL STORM SYSTEM...WILL PROVIDE THE POTENTIAL FOR SEVERE THUNDERSTORMS. SCATTERED THUNDERSTORMS WILL DEVELOP ACROSS NORTH AND CENTRAL GEORGIA THIS AFTERNOON...AS DAYTIME HEATING WARMS THE ATMOSPHERE. A LINE OF STORMS IS LIKELY TO DEVELOP OVER THE TENNESSEE VALLEY LATER TODAY...AND MOVE INTO NORTHWEST GEORGIA LATE THIS AFTERNOON OR THIS EVENING. THE LINE WILL CONTINUE TO MOVE ACROSS NORTH AND CENTRAL GEORGIA OVERNIGHT. THE GREATEST THREAT WITH THESE THUNDERSTORMS WILL BE DAMAGING WINDS...HOWEVER...LARGE HAIL AND ISOLATED TORNADOES ARE ALSO POSSIBLE. SPOTTERS AND EMERGENCY MANAGEMENT OFFICIALS SHOULD REMAIN ALERT FOR POSSIBLE ACTIVATION THIS AFTERNOON AND TONIGHT.
Special weather statement, May 23, 11:20 AM EDT, 4 hours 20 minutes before
GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086- 091>098-103>113-231900- NORTH AND CENTRAL GEORGIA THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE PEACHTREE CITY GA 1120 AM EDT SUN MAY 23 1999 THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS OVER NORTH AND CENTRAL GEORGIA LATE THIS AFTERNOON AND TONIGHT. A COLD FRONT WILL MOVE INTO THE TENNESSEE VALLEY OVERNIGHT. A WARM AND MOIST AIRMASS AHEAD OF THIS COLD FRONT...COMBINED WITH AN UPPER LEVEL STORM SYSTEM...WILL PROVIDE THE POTENTIAL FOR SEVERE THUNDERSTORMS. SCATTERED THUNDERSTORMS WILL DEVELOP ACROSS NORTH AND CENTRAL GEORGIA THIS AFTERNOON...AS DAYTIME HEATING WARMS THE ATMOSPHERE. A LINE OF STORMS IS LIKELY TO DEVELOP OVER THE TENNESSEE VALLEY LATER TODAY...AND MOVE INTO NORTHWEST GEORGIA LATE THIS AFTERNOON OR THIS EVENING. THE LINE WILL CONTINUE TO MOVE ACROSS NORTH AND CENTRAL GEORGIA OVERNIGHT. THE GREATEST THREAT WITH THESE THUNDERSTORMS WILL BE DAMAGING WINDS...HOWEVER...LARGE HAIL AND ISOLATED TORNADOES ARE ALSO POSSIBLE. SPOTTERS AND EMERGENCY MANAGEMENT OFFICIALS SHOULD REMAIN ALERT FOR POSSIBLE ACTIVATION THIS AFTERNOON AND TONIGHT.
Special weather statement, May 23, 2:00 PM EDT, 1 hour 40 minutes before
GAZ005>009-012>016-019>025-027-030>038-041>050-052>060-066>071-078- 079-231930- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PEACHTREE CITY GA 200 PM EDT SUN MAY 23 1999 ...STRONG THUNDERSTORMS DEVELOPING ACROSS NORTH AND CENTRAL GEORGIA... SCATTERED STRONG THUNDERSTORMS CONTINUE DEVELOPING ACROSS NORTH AND CENTRAL GEORGIA THIS AFTERNOON. THESE STORMS WILL PRODUCE VERY HEAVY RAIN...FREQUENT LIGHTNING...WIND GUSTS UP TO 40 MILES AN HOUR AND SOME HAIL. THE STRONGER STORMS WILL MOVE FROM NEAR NEWNAN... FAYETTEVILLE...JONESBORO...CONYERS AND COVINGTON TO NEAR MONROE... MADISON...MONTICELLO...WATKINSVILLE AND ATHENS THROUGH 3:30 PM. MOVE INDOORS TO AVOID DANGEROUS WEATHER CONDITIONS. DEADLY LIGHTNING...STRONG WINDS AND HAIL MAY ACCOMPANY THE STRONGER STORMS.
Special weather statement, May 23, 2:00 PM EDT, 1 hour 40 minutes before
GAZ005>009-012>016-019>025-027-030>038-041>050-052>060-066>071-078- 079-231930- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PEACHTREE CITY GA 200 PM EDT SUN MAY 23 1999 ...STRONG THUNDERSTORMS DEVELOPING ACROSS NORTH AND CENTRAL GEORGIA... SCATTERED STRONG THUNDERSTORMS CONTINUE DEVELOPING ACROSS NORTH AND CENTRAL GEORGIA THIS AFTERNOON. THESE STORMS WILL PRODUCE VERY HEAVY RAIN...FREQUENT LIGHTNING...WIND GUSTS UP TO 40 MILES AN HOUR AND SOME HAIL. THE STRONGER STORMS WILL MOVE FROM NEAR NEWNAN... FAYETTEVILLE...JONESBORO...CONYERS AND COVINGTON TO NEAR MONROE... MADISON...MONTICELLO...WATKINSVILLE AND ATHENS THROUGH 3:30 PM. MOVE INDOORS TO AVOID DANGEROUS WEATHER CONDITIONS. DEADLY LIGHTNING...STRONG WINDS AND HAIL MAY ACCOMPANY THE STRONGER STORMS.
Special weather statement, May 23, 3:30 PM EDT, 10 minutes before
GAZ021>025-027-031>039-041>062-066>073-075-232100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PEACHTREE CITY GA 330 PM EDT SUN MAY 23 1999 ...STRONG THUNDERSTORMS CONTINUING ACROSS NORTH AND CENTRAL GEORGIA... SCATTERED STRONG THUNDERSTORMS CONTINUE ACROSS NORTH AND CENTRAL GEORGIA THIS AFTERNOON. THESE STORMS WILL PRODUCE VERY HEAVY RAIN... FREQUENT LIGHTNING...WIND GUSTS UP TO 40 MILES AN HOUR AND SOME HAIL. THE STRONGER STORMS WILL MOVE FROM NEAR HAMPTON...MONTICELLO... EATONTON...AND GREENSBORO TO NEAR ROCKDALE...COVINGTON... MADISON...WATKINSVILLE...AND LEXINGTON THROUGH 5 PM. MOVE INDOORS TO AVOID DANGEROUS WEATHER CONDITIONS. DEADLY LIGHTNING...STRONG WINDS AND HAIL MAY ACCOMPANY THE STRONGER STORMS.
Special weather statement, May 23, 3:30 PM EDT, 10 minutes before
GAZ021>025-027-031>039-041>062-066>073-075-232100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PEACHTREE CITY GA 330 PM EDT SUN MAY 23 1999 ...STRONG THUNDERSTORMS CONTINUING ACROSS NORTH AND CENTRAL GEORGIA... SCATTERED STRONG THUNDERSTORMS CONTINUE ACROSS NORTH AND CENTRAL GEORGIA THIS AFTERNOON. THESE STORMS WILL PRODUCE VERY HEAVY RAIN... FREQUENT LIGHTNING...WIND GUSTS UP TO 40 MILES AN HOUR AND SOME HAIL. THE STRONGER STORMS WILL MOVE FROM NEAR HAMPTON...MONTICELLO... EATONTON...AND GREENSBORO TO NEAR ROCKDALE...COVINGTON... MADISON...WATKINSVILLE...AND LEXINGTON THROUGH 5 PM. MOVE INDOORS TO AVOID DANGEROUS WEATHER CONDITIONS. DEADLY LIGHTNING...STRONG WINDS AND HAIL MAY ACCOMPANY THE STRONGER STORMS.
The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 22, 10:29 PM EDT | Severe Thunderstorm Warning | FFC | Emanuel, Treutlen | 36 min |
| May 23, 1:28 PM EDT | Severe Thunderstorm Warning | FFC | Henry, Rockdale | 32 min |
| May 23, 2:10 PM EDT | Severe Thunderstorm Warning | FFC | Henry | 35 min |
| May 23, 2:12 PM EDT | Severe Thunderstorm Warning | FFC | Coweta, Fayette | 33 min |
| May 23, 2:30 PM EDT | Severe Thunderstorm Warning | FFC | Newton | 35 min |
| May 23, 2:47 PM EDT | Severe Thunderstorm Warning | FFC | Wilkes | 33 min |
| May 23, 5:21 PM EDT | Severe Thunderstorm Warning | FFC | Coweta, Fulton | 34 min |
| May 23, 5:35 PM EDT | Severe Thunderstorm Warning | FFC | Cobb, Paulding | 50 min |
| May 23, 5:57 PM EDT | Severe Thunderstorm Warning | FFC | Fulton | 33 min |
| May 23, 6:21 PM EDT | Severe Thunderstorm Warning | FFC | DeKalb | 34 min |
| May 23, 6:24 PM EDT | Severe Thunderstorm Warning | FFC | Pike, Spalding | 36 min |
| May 23, 6:31 PM EDT | Severe Thunderstorm Warning | FFC | Henry, Rockdale | 34 min |
| May 23, 6:41 PM EDT | Severe Thunderstorm Warning | FFC | Barrow, Clarke, Oconee | 34 min |
| May 23, 6:56 PM EDT | Severe Thunderstorm Warning | FFC | Butts, Jasper, Newton | 34 min |
| May 23, 7:09 PM EDT | Severe Thunderstorm Warning | FFC | Gilmer, Gordon, Murray, Pickens | 46 min |
| May 23, 7:09 PM EDT | Severe Thunderstorm Warning | FFC | Dawson | 46 min |
| May 23, 7:30 PM EDT | Severe Thunderstorm Warning | FFC | Morgan | 50 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; radar from the NEXRAD Level II archive.