Alert archive / Georgia / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 306, NWS Atlanta, GA

July 30, 2002Floyd County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jul 30, 2002, 9:14 PM EDT for Floyd County, Georgia. It was in force for 31 min. 2 reports 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: Jul 30, 2002, 9:14 PM EDT (01:14 UTC)
Expired: Jul 30, 2002, 9:45 PM EDT
In force: 31 min
Issued by: NWS Atlanta, GA
Area: Counties, with a storm outline in the text

County Floyd County, GA

What was reported inside it

Time	Report	Where	Remark
Jul 30, 9:25 PM EDT	Thunderstorm Wind	Rome, GA	The Floyd county 911 center reported that several trees were blown down in the Horse Lake Creek subdivision.
Jul 30, 9:25 PM EDT	Hail 0.75	Rome, GA	The Floyd county 911 center reported dime 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 00:00Z, 1.2 hours before the alert went out and 111 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: 1209 J/kg
Mixed-layer CIN: -57 J/kg
Mixed-layer LCL: 1301 m above ground
0-6 km bulk shear: 7 kt
0-1 km storm-relative helicity: -4 m²/s²
0-3 km storm-relative helicity: 79 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

599 
WUUS52 KFFC 310114
SVRATL
GAC115-310145-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
913 PM EDT TUE JUL 30 2002

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN FLOYD COUNTY IN NORTHWEST GEORGIA

* UNTIL 945 PM EDT

* AT 910 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER ROME...MOVING SOUTHWEST AT 5 MPH.

* LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...CAVE
SPRING...LINDALE AND ROME.

HAIL TO THE SIZE OF DIMES AND WIND GUSTS TO 60 MPH CAN BE EXPECTED IN
THE WARNED AREA.

EXCESSIVE LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS IF
POSSIBLE. STAY AWAY FROM WINDOWS AND DOORS. AVOID USING TELEPHONES OR
ELECTRICAL APPLIANCES.

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 3424 8505 3431 8529 3410 8542 3411 8506

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 31, 2:37 PM EDT	Severe Thunderstorm Warning	FFC	Floyd	23 min
Jul 31, 5:09 PM EDT	Severe Thunderstorm Warning	FFC	DeKalb	26 min
Jul 31, 5:25 PM EDT	Severe Thunderstorm Warning	FFC	Emanuel	35 min
Jul 31, 5:36 PM EDT	Severe Thunderstorm Warning	FFC	Newton	29 min
Jul 31, 5:57 PM EDT	Severe Thunderstorm Warning	FFC	Emanuel	33 min
Jul 31, 6:34 PM EDT	Severe Thunderstorm Warning	FFC	Greene	26 min
Jul 31, 6:37 PM EDT	Severe Thunderstorm Warning	FFC	Greene	23 min
Jul 31, 6:54 PM EDT	Severe Thunderstorm Warning	FFC	Montgomery	36 min
Jul 31, 7:01 PM EDT	Severe Thunderstorm Warning	FFC	Greene	29 min
Jul 31, 7:13 PM EDT	Severe Thunderstorm Warning	FFC	Jefferson	32 min
Jul 31, 7:19 PM EDT	Severe Thunderstorm Warning	FFC	Hancock	26 min
Jul 31, 7:38 PM EDT	Severe Thunderstorm Warning	FFC	Johnson	32 min
Jul 31, 7:43 PM EDT	Severe Thunderstorm Warning	FFC	Monroe	22 min
Jul 31, 7:55 PM EDT	Severe Thunderstorm Warning	FFC	Bibb, Crawford	35 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.