Alert archive / Georgia / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 102, NWS Atlanta, GA

April 25, 2003Dade County, Walker County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Apr 25, 2003, 8:46 PM EDT for Dade County, Walker County, Georgia. It was in force for 29 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Apr 25, 2003, 8:46 PM EDT (00:46 UTC)
Expired: Apr 25, 2003, 9:15 PM EDT
In force: 29 min
Issued by: NWS Atlanta, GA
Area: Counties, with a storm outline in the text

Counties Dade County, GA, Walker County, GA

The radar

The Northeast Alabama radar (KHTX), 61 km from the middle of the area, began a volume at 00:48 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.

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 0.8 hours before the alert went out and 172 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: 349 J/kg
Mixed-layer CIN: -21 J/kg
Mixed-layer LCL: 1010 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: -88 m²/s²
0-3 km storm-relative helicity: -30 m²/s²
Significant tornado parameter: -0.1
Supercell composite: -0.9

Open this sounding in Storm Lab

The text

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

008 
WUUS52 KFFC 260046
SVRATL
GAC083-295-260115-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
846 PM EDT FRI APR 25 2003

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN DADE COUNTY IN NORTHWEST GEORGIA
  NORTHERN WALKER COUNTY IN NORTHWEST GEORGIA

* UNTIL 915 PM EDT

* AT 843 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER TRENTON...MOVING EAST AT 35 MPH.

* LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...CHATTANOOGA
VALLEY...CHICKAMAUGA...FAIRVIEW...LOOKOUT MOUNTAIN...ROSSVILLE AND
TRENTON.

A TORNADO WATCH IS IN EFFECT FOR THE WARNED AREA. SEVERE 
THUNDERSTORMS CAN PRODUCE TORNADOES SUDDENLY. BE ALERT FOR RAPIDLY 
CHANGING WEATHER CONDITIONS AND BE PREPARED TO ACT QUICKLY.

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 3499 8549 3484 8552 3482 8528 3497 8529

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 25, 8:31 PM EDT	Severe Thunderstorm Warning	FFC	Stewart, Webster	44 min
Apr 25, 9:01 PM EDT	Severe Thunderstorm Warning	FFC	Marion	14 min
Apr 25, 9:13 PM EDT	Severe Thunderstorm Warning	FFC	Schley, Sumter	32 min
Apr 25, 9:16 PM EDT	Severe Thunderstorm Warning	FFC	Catoosa, Webster	29 min
Apr 25, 9:32 PM EDT	Severe Thunderstorm Warning	FFC	Sumter	43 min
Apr 25, 9:39 PM EDT	Severe Thunderstorm Warning	FFC	Dooly, Macon	66 min
Apr 25, 10:11 PM EDT	Severe Thunderstorm Warning	FFC	Dooly	34 min
Apr 25, 10:13 PM EDT	Severe Thunderstorm Warning	FFC	Polk	32 min
Apr 25, 10:38 PM EDT	Severe Thunderstorm Warning	FFC	Haralson, Polk	22 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2003 Every severe thunderstorm warning in 2003

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; radar from the NEXRAD Level II archive.