Alert archive / Georgia / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 12, NWS Atlanta, GA

January 19, 2001Jefferson County, Johnson County, Washington County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jan 19, 2001, 3:25 PM EST for Jefferson County, Johnson County, Washington County, Georgia. It was in force for 35 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
Jan 19, 2001, 3:25 PM EST (20:25 UTC)
Expired
Jan 19, 2001, 4:00 PM EST
In force
35 min
Issued by
NWS Atlanta, GA
Area
Whole counties; the outline is the Mesonet’s reconstruction

Counties Jefferson County, GA, Johnson County, GA, Washington County, GA

What was reported inside it

TimeReportWhereRemark
Jan 19, 3:50 PM ESTThunderstorm WindLouisville, GAThe Jefferson county 911 center reported that trees were blown down.

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
Jan 19, 11:15 AM ESTTornado WatchSPC5 hr
Jan 19, 1:15 PM ESTTornado WatchSPC5 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 8.4 hours before the alert went out and 184 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 2001-01-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 39 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 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 2001-01-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 297 square meters per square second.1939587897117Sfc1 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
39 J/kg
Mixed-layer CIN
-12 J/kg
Mixed-layer LCL
510 m above ground
0-6 km bulk shear
73 kt
0-1 km storm-relative helicity
297 m²/s²
0-3 km storm-relative helicity
365 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.

000 
WUUS52 KFFC 192027
SVRATL

GAC163-167-303-192100-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
325 PM EST FRI JAN 19 2001

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  JEFFERSON COUNTY IN EAST CENTRAL GEORGIA
  NORTHERN JOHNSON COUNTY IN EAST CENTRAL GEORGIA
  EASTERN WASHINGTON COUNTY IN EAST CENTRAL GEORGIA

* UNTIL 400 PM EST

* AT 323 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
  LINE OF SEVERE THUNDERSTORMS FROM 17 MILES WEST OF LOUISVILLE  TO 
  15 MILES SOUTHWEST OF WRIGHTSVILLE...MOVING NORTHEAST AT 50 MPH.

* LOCATIONS IN OR NEAR THE PATH OF THESE STORMS INCLUDE...
  WRIGHTSVILLE...WRENS...WADLEY AND LOUISVILLE.

WIND GUSTS TO 60 MPH CAN BE EXPECTED IN THE WARNED AREA.

A TORNADO WATCH IS ALSO IN EFFECT. TORNADOES CAN DEVELOP SUDDENLY
FROM SEVERE THUNDERSTORMS. BE ALERT FOR RAPIDLY CHANGING WEATHER
CONDITIONS.

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 8 6 6 7 6 3 4 4 6 6.

LAT...LON 3307 8272 3265 8282 3283 8235 3332 8229

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 19, 11:36 AM ESTSevere Thunderstorm WarningFFCStewart39 min
Jan 19, 11:58 AM ESTSevere Thunderstorm WarningFFCDouglas, Fulton32 min
Jan 19, 12:09 PM ESTSevere Thunderstorm WarningFFCMarion, Schley, Taylor51 min
Jan 19, 12:21 PM ESTTornado WarningFFCTaylor39 min
Jan 19, 12:40 PM ESTTornado WarningFFCCrawford35 min
Jan 19, 12:41 PM ESTSevere Thunderstorm WarningFFCDeKalb, Henry, Rockdale34 min
Jan 19, 12:41 PM ESTSevere Thunderstorm WarningFFCNewton34 min
Jan 19, 12:55 PM ESTSevere Thunderstorm WarningFFCBibb35 min
Jan 19, 1:07 PM ESTSevere Thunderstorm WarningFFCJones23 min
Jan 19, 1:25 PM ESTSevere Thunderstorm WarningFFCBaldwin, Hancock, Putnam35 min
Jan 19, 2:11 PM ESTSevere Thunderstorm WarningFFCWarren34 min
Jan 19, 2:54 PM ESTSevere Thunderstorm WarningFFCGlascock, Washington36 min
Jan 19, 3:16 PM ESTSevere Thunderstorm WarningFFCDodge, Laurens29 min
Jan 19, 3:51 PM ESTSevere Thunderstorm WarningFFCWilcox24 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2001Every severe thunderstorm warning in 2001

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.