Alert archive / Georgia / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 40, NWS Atlanta, GA

March 8, 1998Coweta County, Fayette County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Mar 8, 1998, 1:16 PM EST for Coweta County, Fayette County, Georgia. It was in force for 29 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: Mar 8, 1998, 1:16 PM EST (18:16 UTC)
Expired: Mar 8, 1998, 1:45 PM EST
In force: 29 min
Issued by: NWS Atlanta, GA
Area: Whole counties

Counties Coweta County, GA, Fayette County, GA

What was reported inside it

Time	Report	Where	Remark
Mar 8, 1:25 PM EST	Hail 1.75	Senoia, GA	Quarter size hail was reported in Senoia. Golfball size hail was reported in Moreland a few minutes later, apparently from a second storm. A funnel was also reported in the Moreland area.
Mar 8, 1:26 PM EST	Hail 0.75	Peachtree City, GA	Dime size hail was reported between Senoia and Peachtree city.

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
Mar 8, 12:45 PM EST	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

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

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 157 J/kg
Mixed-layer CIN: -64 J/kg
Mixed-layer LCL: 698 m above ground
0-6 km bulk shear: 51 kt
0-1 km storm-relative helicity: 398 m²/s²
0-3 km storm-relative helicity: 514 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.1

Open this sounding in Storm Lab

The text

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

788 
WUUS1 KATL 081815 RRA
SVRATL
GAC077-113-081845-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
116 PM EST SUN MAR 8 1998
 
THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  145 PM EST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTHWEST GEORGIA
 
   ...COWETA COUNTY...FAYETTE COUNTY
 
AT 115 PM EST...NATIONAL WEATHER SERVICE RADAR INDICATED A CLUSTER OF
SEVERE THUNDERSTORMS OVER FAR SOUTHERN COWETA COUNTY MOVING NORTHEAST AT
45 MILES AN HOUR. THE STORMS WILL REACH SHARPSBURG BY 130 PM.
 
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. BOATERS, GOLFERS, AND OTHERS
INVOLVED IN OUTSIDE ACTIVITIES SHOULD SEEK SHELTER IMMEDIATELY.
 
IF YOU EXPERIENCE STORM DAMAGE TO STRUCTURES OR TREES...OR HAIL THE
SIZE OF DIMES OR LARGER...PLEASE REPORT IT TO THE NATIONAL WEATHER
SERVICE BY CALLING 770-486-8535.
 
WRS

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 8, 4:51 AM EST	Flash Flood Warning	FFC	DeKalb, Fulton	4 hr
Mar 8, 7:24 AM EST	Flash Flood Warning	FFC	DeKalb, Fulton	3 hr
Mar 8, 10:15 AM EST	Severe Thunderstorm Warning	FFC	Telfair, Wheeler	30 min
Mar 8, 10:49 AM EST	Severe Thunderstorm Warning	FFC	Montgomery, Toombs	26 min
Mar 8, 2:07 PM EST	Severe Thunderstorm Warning	FFC	Heard	23 min
Mar 8, 2:29 PM EST	Severe Thunderstorm Warning	FFC	Fulton	31 min
Mar 8, 2:49 PM EST	Severe Thunderstorm Warning	FFC	Sumter	26 min
Mar 8, 3:41 PM EST	Severe Thunderstorm Warning	FFC	Houston	34 min
Mar 8, 4:23 PM EST	Severe Thunderstorm Warning	FFC	Chattooga	22 min
Mar 8, 4:46 PM EST	Severe Thunderstorm Warning	FFC	Walker, Whitfield	44 min

Nearby

Severe Thunderstorm Warnings in Georgia, 1998 Every severe thunderstorm warning in 1998

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.