Alert archive / Georgia / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 50, NWS Atlanta, GA

March 11, 2000Sumter County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Mar 11, 2000, 12:22 PM EST for Sumter County, Georgia. It was in force for 38 min. No storm report in the archive falls 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.

The facts

Issued
Mar 11, 2000, 12:22 PM EST (17:22 UTC)
Expired
Mar 11, 2000, 1:00 PM EST
In force
38 min
Issued by
NWS Atlanta, GA
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Sumter County, GA

The watch it was issued in

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

IssuedProductOfficeLasted
Mar 11, 11:00 AM ESTSevere Thunderstorm WatchSPC5 hr
Mar 11, 12:15 PM ESTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 5.4 hours before the alert went out and 146 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 2000-03-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 22 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 2000-03-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 81 square meters per square second.193958Sfc1 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
22 J/kg
Mixed-layer CIN
-189 J/kg
Mixed-layer LCL
1274 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
81 m²/s²
0-3 km storm-relative helicity
168 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.

000 
WUUS52 KFFC 111723
SVRATL
GAC261-111800-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1222 PM EST SAT MAR 11 2000

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SUMTER COUNTY IN WEST CENTRAL GEORGIA

* UNTIL 100 PM EST

* AT 1221 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 6 MILES EAST OF AMERICUS...MOVING NORTHEAST AT
  20 MPH.

VERY LARGE HAIL AND DAMAGING WINDS ARE EXPECTED WITH THIS DANGEROUS
STORM. A TORNADO COULD ALSO FORM WITH LITTLE WARNING. SEEK SHELTER
NOW!

LAT...LON 3212 8439 3192 8433 3206 8396 3218 8409

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 10, 11:00 PM ESTSevere Thunderstorm WarningFFCChattooga, Floyd, Polk45 min
Mar 10, 11:14 PM ESTSevere Thunderstorm WarningFFCBartow31 min
Mar 10, 11:31 PM ESTSevere Thunderstorm WarningFFCCatoosa, Whitfield29 min
Mar 10, 11:45 PM ESTSevere Thunderstorm WarningFFCBartow, Cherokee, Gordon, Pickens45 min
Mar 10, 11:45 PM ESTSevere Thunderstorm WarningFFCFloyd45 min
Mar 11, 12:07 AM ESTTornado WarningFFCPickens23 min
Mar 11, 12:30 AM ESTSevere Thunderstorm WarningFFCFannin, Gilmer45 min
Mar 11, 12:50 AM ESTSevere Thunderstorm WarningFFCUnion25 min
Mar 11, 1:14 AM ESTSevere Thunderstorm WarningFFCTowns, Union46 min
Mar 11, 9:48 AM ESTSevere Thunderstorm WarningFFCChattahoochee, Muscogee27 min
Mar 11, 9:59 AM ESTSevere Thunderstorm WarningFFCHarris31 min
Mar 11, 10:14 AM ESTSevere Thunderstorm WarningFFCMarion, Talbot31 min
Mar 11, 10:43 AM ESTSevere Thunderstorm WarningFFCTaylor, Upson32 min
Mar 11, 11:26 AM ESTSevere Thunderstorm WarningFFCCrawford34 min
Mar 11, 11:31 AM ESTSevere Thunderstorm WarningFFCSumter29 min
Mar 11, 11:36 AM ESTSevere Thunderstorm WarningFFCWebster24 min
Mar 11, 11:55 AM ESTSevere Thunderstorm WarningFFCBibb, Crawford35 min
Mar 11, 12:03 PM ESTSevere Thunderstorm WarningFFCJones27 min
Mar 11, 12:50 PM ESTSevere Thunderstorm WarningFFCGlascock, Washington40 min
Mar 11, 12:50 PM ESTSevere Thunderstorm WarningFFCWarren40 min
Mar 11, 1:28 PM ESTSevere Thunderstorm WarningFFCHouston32 min
Mar 11, 1:42 PM ESTTornado WarningFFCHouston, Twiggs33 min
Mar 11, 2:08 PM ESTTornado WarningFFCTwiggs, Wilkinson37 min
Mar 11, 2:11 PM ESTSevere Thunderstorm WarningFFCCoweta, Fayette, Meriwether34 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; the sounding from the Mesonet's radiosonde archive.