Alert archive / Georgia / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 25, NWS Atlanta, GA

March 10, 2000Floyd County, Gordon County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Mar 10, 2000, 6:56 AM EST for Floyd County, Gordon County, Georgia. It was in force for 34 min. 1 report 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: Mar 10, 2000, 6:56 AM EST (11:56 UTC)
Expired: Mar 10, 2000, 7:30 AM EST
In force: 34 min
Issued by: NWS Atlanta, GA
Area: Whole counties

Counties Floyd County, GA, Gordon County, GA

The radar

The Northeast Alabama radar (KHTX), 113 km from the middle of the area, began a volume at 11:57 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
Mar 10, 7:05 AM EST	Hail 0.75	Armuchee, GA	Floyd county 911 relayed a report of dime size hail that covered a deck up to an inch deep.

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 nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 11.9 hours before the alert went out and 123 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: 146 J/kg
Mixed-layer CIN: -77 J/kg
Mixed-layer LCL: 1057 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 36 m²/s²
0-3 km storm-relative helicity: 63 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 101157
SVRATL
GAC115-129-101230-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
656 AM EST FRI MAR 10 2000

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN FLOYD COUNTY IN NORTHWEST GEORGIA
  GORDON COUNTY IN NORTHWEST GEORGIA

* UNTIL 730 AM EST

* AT 647 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 12 MILES WEST OF CALHOUN...MOVING EAST AT 35
  MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE FAIRMOUNT

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 10, 1:01 PM EST	Severe Thunderstorm Warning	FFC	Heard, Troup	29 min
Mar 10, 1:37 PM EST	Severe Thunderstorm Warning	FFC	Meriwether, Troup	38 min
Mar 10, 2:09 PM EST	Severe Thunderstorm Warning	FFC	Meriwether	36 min
Mar 10, 2:16 PM EST	Severe Thunderstorm Warning	FFC	Banks, Jackson, Madison	29 min
Mar 10, 2:38 PM EST	Severe Thunderstorm Warning	FFC	Pike	37 min
Mar 10, 3:15 PM EST	Severe Thunderstorm Warning	FFC	Upson	30 min
Mar 10, 6:07 PM EST	Severe Thunderstorm Warning	FFC	Chattahoochee, Muscogee	53 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2000 Every 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.