Alert archive / Georgia / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 29, NWS Atlanta, GA

February 16, 2001Clarke County, Madison County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Feb 16, 2001, 7:15 PM EST for Clarke County, Madison County, Georgia. It was in force for 45 min. 2 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Feb 16, 2001, 7:15 PM EST (00:15 UTC)
Expired: Feb 16, 2001, 8:00 PM EST
In force: 45 min
Issued by: NWS Atlanta, GA
Area: Whole counties

Counties Clarke County, GA, Madison County, GA

The radar

The Greer radar (KGSP), 136 km from the middle of the area, began a volume at 00:17 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

Time	Report	Where	Remark
Feb 16, 7:20 PM EST	Thunderstorm Wind	Countywide, GA	The Clarke county 911 center reported that trees and power lines were down across the county.
Feb 16, 7:30 PM EST	Thunderstorm Wind	Colbert, GA	The Madison county 911 center reported that two trees were blown down across Georgia Highway 72 between Hull and Colbert. In addition, some road construction barrels were also blown over in the same area.

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.

Issued	Product	Office	Lasted
Feb 16, 5:00 PM EST	Tornado Watch	SPC	5 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 0.3 hours before the alert went out and 135 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: 111 J/kg
Mixed-layer CIN: -12 J/kg
Mixed-layer LCL: 1047 m above ground
0-6 km bulk shear: 58 kt
0-1 km storm-relative helicity: 65 m²/s²
0-3 km storm-relative helicity: 186 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

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

543 
WUUS52 KFFC 170015
SVRATL
GAC035-059-159-195-211-219-170100-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
715 PM EST FRI FEB 16 2001

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  BUTTS COUNTY IN CENTRAL GEORGIA
  JASPER COUNTY IN CENTRAL GEORGIA
  MORGAN COUNTY IN NORTH CENTRAL GEORGIA
  CLARKE COUNTY IN NORTHEAST GEORGIA
  MADISON COUNTY IN NORTHEAST GEORGIA
  OCONEE COUNTY IN NORTHEAST GEORGIA

* UNTIL 800 PM EST

* AT 710 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS PRODUCING WINDS UP TO 70 MPH
  LOCATED FROM 23 MILES NORTHWEST OF ATHENS TO 16 MILES NORTHWEST OF
  JACKSON...MOVING EAST AT 45 MPH.

* LOCATIONS IN OR NEAR THE PATH OF THESE STORMS INCLUDE...
  WINTERVILLE...WATKINSVILLE...MONTICELLO...MADISON...JACKSON...GAINES
  SCHOOL...FLOVILLA...COMER AND ATHENS.

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

WIDESPREAD WIND DAMAGE IS EXPECTED WITH THESE STORMS. WINDS MAY KNOCK
DOWN TREES AND POWER LINES AND DAMAGE BUILDINGS. TAKE COVER NOW.

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.

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 16, 7:15 PM EST	Severe Thunderstorm Warning	FFC	Butts, Jasper, Morgan	45 min
Feb 16, 7:15 PM EST	Severe Thunderstorm Warning	FFC	Oconee	45 min
Feb 16, 7:33 PM EST	Severe Thunderstorm Warning	FFC	Greene, Oglethorpe	42 min
Feb 17, 1:24 AM EST	Severe Thunderstorm Warning	FFC	Baldwin	21 min
Feb 17, 1:35 AM EST	Severe Thunderstorm Warning	FFC	Hancock	25 min
Feb 17, 1:50 AM EST	Severe Thunderstorm Warning	FFC	Warren	25 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2001 Every 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; radar from the NEXRAD Level II archive.