Alert archive / Georgia / Special Weather Statements in 2018

Special Weather Statement, NWS Atlanta, GA

November 6, 20188 counties in Georgia

NWS Atlanta, GA issued this special weather statement at Nov 6, 2018, 3:55 AM EST for 8 counties in Georgia. It was in force for 110 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: Nov 6, 2018, 3:55 AM EST (08:55 UTC)
Expired: Nov 6, 2018, 5:45 AM EST
In force: 110 min
Issued by: NWS Atlanta, GA
Wind: 50

Counties Catoosa County, GA, Dade County, GA, Fannin County, GA, Gilmer County, GA, Gordon County, GA, Murray County, GA, Walker County, GA, Whitfield County, GA

The radar

The Northeast Alabama radar (KHTX), 116 km from the middle of the area, began a volume at 08:56 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

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 8.9 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-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: 25 J/kg
Mixed-layer CIN: -54 J/kg
Mixed-layer LCL: 473 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 237 m²/s²
0-3 km storm-relative helicity: 258 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.0

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Atlanta, GA wrote its last area forecast discussion before this special weather statement went out at Nov 6, 2:12 AM EST, 1 hour 43 minutes earlier.

Area forecast discussion, Nov 6, 2:12 AM EST, 1 hour 43 minutes before

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Hazardous weather outlook, Nov 5, 10:05 PM EST, 5 hours 50 minutes before

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In the hours before

Special weather statement, Nov 5, 10:02 PM EST, 5 hours 53 minutes before

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Special weather statement, Nov 6, 3:55 AM EST, 0 minutes before

Special Weather Statement
National Weather Service Peachtree City GA
355 AM EST TUE NOV 6 2018

GAZ001>007-011>013-019-061045-
Chattooga GA-Gilmer GA-Whitfield GA-Catoosa GA-Walker GA-Gordon GA-
Pickens GA-Dade GA-Murray GA-Floyd GA-Fannin GA-
355 AM EST TUE NOV 6 2018

...SIGNIFICANT WEATHER ADVISORY FOR NORTHERN CHATTOOGA...GILMER...
WHITFIELD...CATOOSA...WALKER...GORDON...NORTHWESTERN PICKENS...
DADE...MURRAY...NORTHEASTERN FLOYD AND NORTHWESTERN FANNIN COUNTIES
UNTIL 545 AM EST...

At 349 AM EST...a line of severe thunderstorms in far northeast
Alabama was moving east at 50 mph toward northwest Georgia. If these
storms maintain their intensity, damaging winds and isolated
tornadoes will be possible in this area through 545 AT EDT. Be
prepared to take shelter if and when a warning is issued.

  HAZARD...enhanced risk for damaging wind and a brief tornado
           through 545 AM EDT.

  IMPACT...Damage to trees, power lines and structures are possible.
           A brief tornado could quickly form.

Some locations in the path of these storms include Dalton, Calhoun,
Lafayette, Summerville, Chatsworth, Ringgold, Trenton, Ellijay, Blue
Ridge, Fort Oglethorpe, Chickamauga, Trion, Varnell, Eton, Tunnel
Hill, East Ellijay, Resaca, Talking Rock, Menlo and Ranger.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People outdoors should seek shelter immediately.

A tornado watch remains in effect. Continue to monitor NOAA Weather
Radio...weather.gov or other media outlets for further statements or
possible warnings on these storms.

LAT...LON 3445 8451 3448 8550 3487 8558 3499 8419
TIME...MOT...LOC 0849Z 264DEG 45KT 3479 8585 3456 8600

WIND...50MPH

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 6, 3:58 AM EST	Severe Thunderstorm Warning	FFC	Catoosa, Chattooga, Dade, Walker, Whitfield	62 min
Nov 6, 4:52 AM EST	Severe Thunderstorm Warning	FFC	Fannin, Gilmer, Murray, Walker, Whitfield	38 min
Nov 6, 5:21 AM EST	Severe Thunderstorm Warning	FFC	Fannin, Gilmer, Gordon, Murray, Pickens	38 min
Nov 6, 5:58 AM EST	Special Weather Statement	FFC	Fannin, Gilmer, Towns, Union	47 min
Nov 6, 6:27 AM EST	Special Weather Statement	FFC	Towns, White	33 min
Nov 6, 6:53 AM EST	Special Weather Statement	FFC	Dawson	37 min
Nov 6, 7:04 AM EST	Severe Thunderstorm Warning	FFC	Cherokee, Dawson, Forsyth, Hall	15 min
Nov 6, 7:15 AM EST	Special Weather Statement	FFC	White	15 min
Nov 6, 7:39 AM EST	Special Weather Statement	FFC	Forsyth	36 min
Nov 6, 8:00 AM EST	Special Weather Statement	FFC	Gwinnett	30 min
Nov 6, 8:30 AM EST	Special Weather Statement	FFC	Barrow, Jackson	30 min

Nearby

Special Weather Statements in Georgia, 2018 Every special weather statement in 2018

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.