Alert archive / Georgia / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 14, NWS Atlanta, GA

March 31, 2002DeKalb County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Mar 31, 2002, 2:09 PM EST for DeKalb County, Georgia. It was in force for 36 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Mar 31, 2002, 2:09 PM EST (19:09 UTC)
Expired: Mar 31, 2002, 2:45 PM EST
In force: 36 min
Issued by: NWS Atlanta, GA
Area: Counties, with a storm outline in the text

County DeKalb County, GA

The radar

The Atlanta radar (KFFC), 58 km from the middle of the area, began a volume at 19:11 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
Mar 31, 2:15 PM EST	Hail 0.88	Decatur, GA	The public reported nickel size hail.

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, 7.2 hours before the alert went out and 55 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 856 m above ground
0-6 km bulk shear: 54 kt
0-1 km storm-relative helicity: 97 m²/s²
0-3 km storm-relative helicity: 226 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.

645 
WUUS52 KFFC 311909
SVRATL
GAC089-311945-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
208 PM EST SUN MAR 31 2002

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  DEKALB COUNTY IN NORTH CENTRAL GEORGIA

* UNTIL 245 PM EST

* AT 206 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
SEVERE THUNDERSTORM CAPABLE OF PRODUCING WINDS UP TO 55 MPH AND HAIL 
THE SIZE OF QUARTERS LOCATED 5 MILES WEST OF GRESHAM PARK...MOVING 
NORTHEAST AT 45 MPH.

* LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...AVONDALE
ESTATES...BELVEDERE PARK...CANDLER-MCAFEE...CLARKSTON...DECATUR...
DORAVILLE...GRESHAM PARK...NORTH DECATUR...PANTHERSVILLE...PINE
LAKE...REDAN...SCOTTDALE...STONE MOUNTAIN AND TUCKER.

LARGE HAIL...DAMAGING WINDS AND TORRENTIAL RAIN ARE EXPECTED WITH
THESE STORMS. TAKE COVER IN A SUBSTANTIAL SHELTER UNTIL THE STORMS
PASS.

IF YOU SEE WIND DAMAGE...LARGE HAIL OR SIGNIFICANT FLOODING...WAIT
UNTIL AFTER THE STORM HAS PASSED...AND THEN CALL THE NATIONAL WEATHER
SERVICE TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6.

LAT...LON 3394 8428 3373 8408 3366 8433 3384 8433

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 30, 8:40 PM EST	Severe Thunderstorm Warning	FFC	Clayton, Fulton	35 min
Mar 30, 9:01 PM EST	Severe Thunderstorm Warning	FFC	DeKalb, Henry, Rockdale	29 min
Mar 31, 1:58 PM EST	Severe Thunderstorm Warning	FFC	Cobb, Fulton	32 min
Mar 31, 2:21 PM EST	Severe Thunderstorm Warning	FFC	Gwinnett	24 min
Mar 31, 2:35 PM EST	Severe Thunderstorm Warning	FFC	Sumter	40 min
Mar 31, 3:05 PM EST	Severe Thunderstorm Warning	FFC	Dodge	25 min
Mar 31, 3:42 PM EST	Severe Thunderstorm Warning	FFC	Laurens	33 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2002 Every severe thunderstorm warning in 2002

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.