Alert archive / Georgia / Severe Thunderstorm Warnings in 1999

Severe Thunderstorm Warning 88, NWS Atlanta, GA

April 27, 1999Harris County, Marion County, Talbot County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Apr 27, 1999, 2:17 PM EDT for Harris County, Marion County, Talbot County, Georgia. It was in force for 48 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
Apr 27, 1999, 2:17 PM EDT (18:17 UTC)
Expired
Apr 27, 1999, 3:05 PM EDT
In force
48 min
Issued by
NWS Atlanta, GA
Area
Whole counties

Counties Harris County, GA, Marion County, GA, Talbot County, GA

The radar

The Atlanta radar (KFFC), 86 km from the middle of the area, began a volume at 18:17 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

TimeReportWhereRemark
Apr 27, 2:25 PM EDTThunderstorm WindWaverly Hall, GAHarris county 911 reported thunderstorm winds knocked a couple of trees down on highway 315.
Apr 27, 3:00 PM EDTThunderstorm WindTalbotton, GATalbot county 911 reported a tree and power lines down due to thunderstorm winds.

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

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 6.3 hours before the alert went out and 87 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.

Skew-T log-pSkew-T log-p diagram, Peachtre/Fal Fld, GA at 12:00Z on 1999-04-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 23 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Peachtre/Fal Fld, GA at 12:00Z on 1999-04-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 75 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
23 J/kg
Mixed-layer CIN
-228 J/kg
Mixed-layer LCL
1180 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
75 m²/s²
0-3 km storm-relative helicity
83 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

999 
WUUS1 KATL 271815 RRA
SVRATL
GAC145-197-263-271905-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
217 PM EDT TUE APR 27 1999

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  HARRIS COUNTY IN WEST CENTRAL GEORGIA
  MARION COUNTY IN WEST CENTRAL GEORGIA
  TALBOT COUNTY IN WEST CENTRAL GEORGIA

* UNTIL 305 PM EDT

* AT 224 PM EDT... A LINE OF SEVERE THUNDERSTORMS WAS INDICATED BY
DOPPLER  RADAR FROM OPELIKA, ALABAMA TO COLUMBUS, GEORGIA TO
LUMPKIN, GEORGIA IN STEWART COUNTY. THE LINE WAS MOVING NORTHEAST AT
35 MPH.

* SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM ARE...
HAMILTON...TALBOTTON...BUENA VISTA

DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN AND DEADLY LIGHTNING
ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS. IF YOU SEE DAMAGE OR
LARGE HAIL...CALL THE NATIONAL WEATHER SERVICE AT 770-486-1133 AT
EXTENSION 2 0 4.

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, Apr 27, 1:00 PM EDT, 1 hour 17 minutes before
GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086-
091>098-103>113-272100-

NORTH AND CENTRAL GEORGIA THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
100 PM EDT TUE APR 27 1999

THERE IS A SLIGHT CHANCE OF SEVERE THUNDERSTORMS ACROSS NORTH AND
CENTRAL GEORGIA THIS AFTERNOON AND THIS EVENING. AN APPROACHING COLD
FRONT WILL MOVE INTO MOIST AND UNSTABLE AIR ACROSS GEORGIA THIS
AFTERNOON AND EVENING...PRODUCING SCATTERED THUNDERSTORMS. A FEW
STORMS MAY BECOME SEVERE THIS AFTERNOON...CONTINUING INTO THIS
EVENING. THE GREATEST THREAT WILL BE LARGE HAIL AND DAMAGING
THUNDERSTORM WINDS.

SPOTTERS AND EMERGENCY MANAGEMENT OFFICIALS SHOULD REMAIN ALERT FOR
POSSIBLE ACTIVATION THIS AFTERNOON.
Special weather statement, Apr 27, 1:00 PM EDT, 1 hour 17 minutes before
GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086-
091>098-103>113-272100-

NORTH AND CENTRAL GEORGIA THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
100 PM EDT TUE APR 27 1999

THERE IS A SLIGHT CHANCE OF SEVERE THUNDERSTORMS ACROSS NORTH AND
CENTRAL GEORGIA THIS AFTERNOON AND THIS EVENING. AN APPROACHING COLD
FRONT WILL MOVE INTO MOIST AND UNSTABLE AIR ACROSS GEORGIA THIS
AFTERNOON AND EVENING...PRODUCING SCATTERED THUNDERSTORMS. A FEW
STORMS MAY BECOME SEVERE THIS AFTERNOON...CONTINUING INTO THIS
EVENING. THE GREATEST THREAT WILL BE LARGE HAIL AND DAMAGING
THUNDERSTORM WINDS.

SPOTTERS AND EMERGENCY MANAGEMENT OFFICIALS SHOULD REMAIN ALERT FOR
POSSIBLE ACTIVATION THIS AFTERNOON.

The office that day

Everything else NWS Atlanta, GA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 27, 3:59 PM EDTSevere Thunderstorm WarningFFCCrawford, Peach36 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.