Alert archive / Georgia / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 71, NWS Atlanta, GA

April 3, 2000Floyd County, Polk County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Apr 3, 2000, 1:47 AM EDT for Floyd County, Polk County, Georgia. It was in force for 28 min. 1 report came from inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.

The facts

Issued
Apr 3, 2000, 1:47 AM EDT (05:47 UTC)
Expired
Apr 3, 2000, 2:15 AM EDT
In force
28 min
Issued by
NWS Atlanta, GA
Area
Whole counties; the outline is the Mesonet’s reconstruction

Counties Floyd County, GA, Polk County, GA

The radar

The Atlanta radar (KFFC), 105 km from the middle of the area, began a volume at 05:47 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 3, 2:00 AM EDTTornado F2Esom Hill, GASurvey of damage by NWS personnel indicated that an F1 - F2 tornado, 50 - 100 yards wide, touched down in the Potash community at approximately 2:00 am EDT near Harmony Road. The tornado traveled approximately 6 miles with the terminating point just southwest

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
Apr 2, 11:00 PM EDTTornado WatchSPC6 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 5.8 hours before the alert went out and 166 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, Birmingham, AL at 00:00Z on 2000-04-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 430 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Birmingham, AL at 00:00Z on 2000-04-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 851 square meters per square second.1939587897Sfc1 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
430 J/kg
Mixed-layer CIN
-57 J/kg
Mixed-layer LCL
982 m above ground
0-6 km bulk shear
81 kt
0-1 km storm-relative helicity
851 m²/s²
0-3 km storm-relative helicity
851 m²/s²
Significant tornado parameter
2.3
Supercell composite
21.3

Open this sounding in Storm Lab

The text

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

000 
WUUS52 KFFC 030548
SVRATL
GAC115-233-030615-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
147 AM EDT MON APR 3 2000

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

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

* UNTIL 215 AM EDT

* AT 147 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 8 MILES WEST OF CEDARTOWN...MOVING EAST AT 20
  MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE ROCKMART...LINDALE...CAVE 
  SPRING AND ARAGON.

SEVERE THUNDERSTORM WINDS CAN BE AS DESTRUCTIVE AS A TORNADO. FOR
YOUR SAFETY...cGO TO A SAFE PLACE IMMEDIATELY.

LAT...LON 3402 8553 3390 8538 3397 8500 3423 8507
          3421 8545

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 2, 11:48 PM EDTSevere Thunderstorm WarningFFCBartow, Polk27 min
Apr 3, 2:19 AM EDTFlash Flood WarningFFCBartow, Floyd, Paulding, Polk56 min
Apr 3, 2:48 AM EDTSevere Thunderstorm WarningFFCCobb, DeKalb, Fulton27 min
Apr 3, 2:57 AM EDTTornado WarningFFCCherokee, Forsyth, Fulton33 min
Apr 3, 3:22 AM EDTTornado WarningFFCDawson, Forsyth, Hall, Lumpkin38 min
Apr 3, 3:36 AM EDTSevere Thunderstorm WarningFFCMeriwether, Pike, Spalding24 min
Apr 3, 3:36 AM EDTSevere Thunderstorm WarningFFCFayette24 min
Apr 3, 3:36 AM EDTSevere Thunderstorm WarningFFCLamar24 min
Apr 3, 3:50 AM EDTSevere Thunderstorm WarningFFCUpson25 min
Apr 3, 3:55 AM EDTSevere Thunderstorm WarningFFCBanks, Hall, Jackson, White35 min
Apr 3, 4:08 AM EDTSevere Thunderstorm WarningFFCButts, Jasper, Lamar, Monroe, Spalding52 min
Apr 3, 4:08 AM EDTSevere Thunderstorm WarningFFCJones52 min
Apr 3, 4:31 PM EDTSevere Thunderstorm WarningFFCHaralson, Polk29 min
Apr 3, 6:24 PM EDTSevere Thunderstorm WarningFFCCobb, Paulding36 min
Apr 3, 6:45 PM EDTSevere Thunderstorm WarningFFCBartow, Cherokee30 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2000Every severe thunderstorm warning in 2000

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.