Alert archive / Georgia / Special Weather Statements in 2023

Special Weather Statement, NWS Atlanta, GA

August 9, 2023Dade County, Georgia

NWS Atlanta, GA issued this special weather statement at Aug 9, 2023, 5:46 PM EDT for Dade 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: Aug 9, 2023, 5:46 PM EDT (21:46 UTC)
Expired: Aug 9, 2023, 6:15 PM EDT
In force: 29 min
Issued by: NWS Atlanta, GA
Hail: 0.00 in
Wind: 40

County Dade County, GA

The radar

The Northeast Alabama radar (KHTX), 61 km from the middle of the area, began a volume at 21:48 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

Birmingham, AL (KBMX), launched 12:00Z, 9.8 hours before the alert went out and 222 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: 59 J/kg
Mixed-layer CIN: -282 J/kg
Mixed-layer LCL: 793 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 131 m²/s²
0-3 km storm-relative helicity: 105 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 Aug 9, 3:06 PM EDT, 2 hours 40 minutes earlier.

Area forecast discussion, Aug 9, 3:06 PM EDT, 2 hours 40 minutes before

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Hazardous weather outlook, Aug 9, 4:52 PM EDT, 54 minutes before

Hazardous Weather Outlook
National Weather Service Peachtree City GA
452 PM EDT Wed Aug 9 2023

GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086-
089>098-102>113-102100-
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-
452 PM EDT Wed Aug 9 2023

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

.DAY ONE...Tonight...

Two waves of thunderstorms are possible from this evening into
tonight. The first round of storms is most likely to affect
portions of northwest and north Georgia this evening with strong,
gusty winds the main threat, though a gradual weakening trend is
possible.

Additional thunderstorms are possible late tonight into early
Thursday morning. Strong to severe thunderstorms would again be
possible with damaging wind gusts the main threat. Locally heavy
rainfall could cause localized flooding concerns as well.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday...

The potential for severe weather will continue into Thursday as
thunderstorms will be ongoing early in the morning. The Storm
Prediction Center has issued a marginal risk for severe storms
mainly along and north of a Columbus to Vidalia line.

Periods of thunderstorm activity will continue through next
Tuesday. The highest storm chances will occur during the
afternoon and evening hours each day.

.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.

In the hours before

Local storm report, Aug 9, 1:46 PM EDT, 4 hours before

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Local storm report, Aug 9, 1:48 PM EDT, 3 hours 58 minutes before

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Local storm report, Aug 9, 1:53 PM EDT, 3 hours 53 minutes before

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Local storm report, Aug 9, 1:55 PM EDT, 3 hours 51 minutes before

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Local storm report, Aug 9, 1:57 PM EDT, 3 hours 49 minutes before

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Special weather statement, Aug 9, 5:46 PM EDT, 0 minutes before

Special Weather Statement
National Weather Service Peachtree City GA
546 PM EDT Wed Aug 9 2023

GAZ001-002-092215-
Walker GA-Dade GA-
546 PM EDT Wed Aug 9 2023

...Strong thunderstorms will impact portions of western Walker and
Dade Counties through 615 PM EDT...

At 546 PM EDT, a line of strong thunderstorms was along a line
extending from Orme to near Stevenson to Fackler, and moving east at
40 mph.

HAZARD...Up to 40 mph wind, frequent cloud to ground lightning and
         heavy rain.

SOURCE...Radar indicated.

IMPACT...Expect minor damage to tree limbs and blowing around of
         light, unsecured objects. Heavy rain may cause temporary
         street flooding especially in poor drainage areas.

Locations impacted include...
Trenton, Fort Oglethorpe, Rossville, Chickamauga, Lookout Mountain,
Chattanooga Valley, Rising Fawn, Cole City, Wildwood, Fairview,
Stephensville, Chattanooga  Valley, New England, Morganville, Hooker,
Cloudland Canyon State Park, and Cooper Heights.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People outdoors should seek shelter immediately. If you can hear
thunder, you are close enough to be struck by lightning. Motorists
should slow down and be prepared for possible loss of control due to
hydroplaning.

&&

LAT...LON 3499 8527 3477 8529 3459 8541 3459 8553
      3486 8559 3498 8560
TIME...MOT...LOC 2146Z 286DEG 36KT 3504 8581 3490 8582 3480 8588

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 9, 5:16 AM EDT	Dense Fog Advisory	FFC	Carroll, Chattahoochee, Chattooga, Coweta, Douglas, Floyd and 14 more	5 hr
Aug 9, 6:14 PM EDT	Special Weather Statement	FFC	Catoosa, Dade, Walker	31 min
Aug 9, 6:31 PM EDT	Special Weather Statement	FFC	Catoosa, Chattooga, Walker, Whitfield	29 min
Aug 9, 7:01 PM EDT	Special Weather Statement	FFC	Gordon, Murray	29 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.