Alert archive / Georgia / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 115, NWS Atlanta, GA

May 13, 2002Cherokee County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at May 13, 2002, 3:04 PM EDT for Cherokee County, Georgia. It was in force for 26 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
May 13, 2002, 3:04 PM EDT (19:04 UTC)
Expired
May 13, 2002, 3:30 PM EDT
In force
26 min
Issued by
NWS Atlanta, GA
Area
Counties, with a storm outline in the text

County Cherokee County, GA

The radar

The Atlanta radar (KFFC), 97 km from the middle of the area, began a volume at 19:07 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
May 13, 3:10 PM EDTHail 0.75Holly Spgs, GAThe Cherokee 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
May 13, 1:00 PM EDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 7.1 hours before the alert went out and 96 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 2002-05-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 397 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 2002-05-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 73 square meters per square second.19395878Sfc1 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
397 J/kg
Mixed-layer CIN
-44 J/kg
Mixed-layer LCL
694 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
73 m²/s²
0-3 km storm-relative helicity
80 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

The text

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

000 
WUUS52 KFFC 131904
SVRATL
GAC057-131930-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
303 PM EDT MON MAY 13 2002

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

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

* UNTIL 330 PM EDT

* AT 255 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER HOLLY SPRINGS...MOVING EAST AT 45 MPH.

* LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...BALL 
GROUND...CANTON...HOLLY SPRINGS...AND WOODSTOCK.

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

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 3423 8464 3410 8453 3422 8428 3439 8429

$$

RAB

The office that day

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

IssuedProductOfficeCountiesLasted
May 13, 1:31 PM EDTSevere Thunderstorm WarningFFCDade, Walker44 min
May 13, 3:09 PM EDTSevere Thunderstorm WarningFFCFannin, Gilmer, Lumpkin, Towns, Union36 min
May 13, 3:23 PM EDTSevere Thunderstorm WarningFFCFulton22 min
May 13, 3:24 PM EDTSevere Thunderstorm WarningFFCDawson, Forsyth, Hall36 min
May 13, 3:27 PM EDTSevere Thunderstorm WarningFFCCobb, Fulton33 min
May 13, 3:37 PM EDTSevere Thunderstorm WarningFFCDeKalb, Gwinnett38 min
May 13, 3:41 PM EDTSevere Thunderstorm WarningFFCClayton, Fayette34 min
May 13, 3:44 PM EDTSevere Thunderstorm WarningFFCDeKalb, Gwinnett31 min
May 13, 3:46 PM EDTSevere Thunderstorm WarningFFCHeard29 min
May 13, 3:54 PM EDTSevere Thunderstorm WarningFFCBanks, Barrow, Jackson36 min
May 13, 3:59 PM EDTSevere Thunderstorm WarningFFCBanks, Barrow, Jackson31 min
May 13, 4:20 PM EDTSevere Thunderstorm WarningFFCClarke, Madison, Oconee, Walton40 min
May 13, 4:23 PM EDTSevere Thunderstorm WarningFFCClarke, Madison, Oconee, Walton37 min
May 13, 4:39 PM EDTSevere Thunderstorm WarningFFCOglethorpe36 min
May 13, 5:17 PM EDTSevere Thunderstorm WarningFFCOglethorpe, Wilkes28 min
May 13, 5:46 PM EDTSevere Thunderstorm WarningFFCGreene, Taliaferro29 min
May 13, 5:56 PM EDTSevere Thunderstorm WarningFFCTaylor34 min
May 13, 6:10 PM EDTSevere Thunderstorm WarningFFCMacon35 min
May 13, 6:21 PM EDTSevere Thunderstorm WarningFFCTaliaferro, Warren24 min
May 13, 6:31 PM EDTSevere Thunderstorm WarningFFCMacon29 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2002Every 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.