Alert archive / Georgia / Special Weather Statements in 2023

Special Weather Statement, NWS Atlanta, GA

July 18, 20234 counties in Georgia

NWS Atlanta, GA issued this special weather statement at Jul 18, 2023, 8:29 PM EDT for 4 counties in Georgia. It was in force for 61 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: Jul 18, 2023, 8:29 PM EDT (00:29 UTC)
Expired: Jul 18, 2023, 9:30 PM EDT
In force: 61 min
Issued by: NWS Atlanta, GA
Hail: 0.00 in
Wind: 40

Counties Fannin County, GA, Gilmer County, GA, Gordon County, GA, Murray County, GA

The radar

The Northeast Alabama radar (KHTX), 151 km from the middle of the area, began a volume at 00:29 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, 0.5 hours before the alert went out and 245 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1366 m above ground
0-6 km bulk shear: 50 kt
0-1 km storm-relative helicity: 127 m²/s²
0-3 km storm-relative helicity: 139 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 Jul 18, 7:47 PM EDT, 42 minutes earlier.

Area forecast discussion, Jul 18, 7:47 PM EDT, 42 minutes before

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Hazardous weather outlook, Jul 18, 6:27 PM EDT, 2 hours 2 minutes before

Hazardous Weather Outlook
National Weather Service Peachtree City GA
627 PM EDT Tue Jul 18 2023

GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086-
089>098-102>113-192230-
Baldwin-Banks-Barrow-Bartow-Bibb-Bleckley-Butts-Carroll-Catoosa-
Chattahoochee-Chattooga-Cherokee-Clarke-Clayton-Cobb-Coweta-
Crawford-Crisp-Dade-Dawson-DeKalb-Dodge-Dooly-Douglas-Emanuel-
Fannin-Fayette-Floyd-Forsyth-Gilmer-Glascock-Gordon-Greene-
Gwinnett-Hall-Hancock-Haralson-Harris-Heard-Henry-Houston-Jackson-
Jasper-Jefferson-Johnson-Jones-Lamar-Laurens-Lumpkin-Macon-
Madison-Marion-Meriwether-Monroe-Montgomery-Morgan-Murray-
Muscogee-Newton-North Fulton-Oconee-Oglethorpe-Paulding-Peach-
Pickens-Pike-Polk-Pulaski-Putnam-Rockdale-Schley-South Fulton-
Spalding-Stewart-Sumter-Talbot-Taliaferro-Taylor-Telfair-Toombs-
Towns-Treutlen-Troup-Twiggs-Union-Upson-Walker-Walton-Warren-
Washington-Webster-Wheeler-White-Whitfield-Wilcox-Wilkes-
Wilkinson-
627 PM EDT Tue Jul 18 2023

This Hazardous Weather Outlook is for portions of North and Central Georgia.

.DAY ONE...Tonight...

A Severe Thunderstorm Watch has been issued until 11 PM for NW GA.
A complex of thunderstorms is tracking across Tennesse and is
expected to enter North GA this evening. These storms are capable
of strong damaging winds as they move into the portions of North
GA this evening.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday...

Showers and thunderstorms will be possible each day through
Saturday across much of North and Central GA. Thursday afternoon
and evening as well as Friday afternoon and evening appear to
offer the best opportunities for a chance of severe storms at this
time. Should a severe threat materialize, damaging winds and
frequent lightning will be the main threats.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not requested but spotters are encouraged
to submit reports of severe weather through the web by going to
weather.gov/atlanta.  Please relay any information about observed severe
weather to the NWS.

In the hours before

Special weather statement, Jul 18, 7:08 PM EDT, 1 hour 21 minutes before

Special Weather Statement
National Weather Service Peachtree City GA
708 PM EDT Tue Jul 18 2023

GAZ001>003-011-190015-
Chattooga GA-Catoosa GA-Walker GA-Dade GA-
708 PM EDT Tue Jul 18 2023

...Strong thunderstorms will impact portions of Catoosa, Walker, Dade
and northwestern Chattooga Counties through 815 PM EDT...

At 708 PM EDT, a line of strong thunderstorms was along a line
extending from near Tracy City to near Section, and moving east at 45
mph.

HAZARD...Winds 40 to 50 mph.

SOURCE...Radar indicated.

IMPACT...Expect minor damage to tree limbs and blowing around of
         light, unsecured objects.

Locations impacted include...
Lafayette, Ringgold, Trenton, Fort Oglethorpe, Rossville,
Chickamauga, Trion, Lookout Mountain, Chattanooga Valley, La Fayette,
Menlo, Center Post, Blue Spring, Fairview, Linwood, Cloudland,
Chattanooga  Valley, Hooker, Cloudland Canyon State Park and Cooper
Heights.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People outdoors should seek shelter immediately.

A Severe Thunderstorm Watch remains in effect until 1100 PM EDT for
northwestern Georgia.

&&

LAT...LON 3499 8504 3459 8524 3440 8549 3498 8560
TIME...MOT...LOC 2308Z 269DEG 41KT 3525 8570 3460 8603

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...50 MPH

Special weather statement, Jul 18, 7:46 PM EDT, 43 minutes before

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Special weather statement, Jul 18, 8:18 PM EDT, 11 minutes before

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Special weather statement, Jul 18, 8:28 PM EDT, 1 minute before

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Special weather statement, Jul 18, 8:29 PM EDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 18, 8:18 PM EDT	Special Weather Statement	FFC	Catoosa, Dade, Walker	27 min
Jul 18, 8:28 PM EDT	Special Weather Statement	FFC	Bartow, Haralson, Polk	62 min
Jul 18, 8:42 PM EDT	Special Weather Statement	FFC	Catoosa, Chattooga, Floyd, Walker, Whitfield	33 min
Jul 18, 10:58 PM EDT	Special Weather Statement	FFC	Towns	32 min
Jul 18, 11:27 PM EDT	Special Weather Statement	FFC	Towns	18 min
Jul 19, 3:27 PM EDT	Special Weather Statement	FFC	Troup	33 min
Jul 19, 3:41 PM EDT	Special Weather Statement	FFC	Putnam	34 min
Jul 19, 4:04 PM EDT	Special Weather Statement	FFC	Baldwin	26 min
Jul 19, 4:07 PM EDT	Special Weather Statement	FFC	Wilkinson	23 min
Jul 19, 4:15 PM EDT	Special Weather Statement	FFC	Harris	30 min
Jul 19, 4:32 PM EDT	Special Weather Statement	FFC	Hancock	28 min
Jul 19, 4:34 PM EDT	Special Weather Statement	FFC	Macon, Schley	26 min
Jul 19, 5:04 PM EDT	Special Weather Statement	FFC	Bleckley, Houston, Macon	26 min
Jul 19, 5:15 PM EDT	Special Weather Statement	FFC	Wilkinson	30 min
Jul 19, 5:33 PM EDT	Special Weather Statement	FFC	Bleckley	27 min
Jul 19, 5:38 PM EDT	Special Weather Statement	FFC	Sumter	37 min
Jul 19, 5:46 PM EDT	Special Weather Statement	FFC	Dodge	29 min
Jul 19, 5:57 PM EDT	Special Weather Statement	FFC	Johnson	33 min
Jul 19, 6:15 PM EDT	Special Weather Statement	FFC	Emanuel	30 min
Jul 19, 6:36 PM EDT	Special Weather Statement	FFC	Emanuel	24 min
Jul 19, 6:51 PM EDT	Special Weather Statement	FFC	Wheeler	24 min
Jul 19, 7:05 PM EDT	Special Weather Statement	FFC	Emanuel	10 min

Nearby

Special Weather Statements in Georgia, 2023 Every special weather statement in 2023

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.