Alert archive / Georgia / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 590, NWS Atlanta, GA

September 9, 2023Murray County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Sep 9, 2023, 1:42 PM EDT for Murray County, Georgia. It was in force for 48 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Sep 9, 2023, 1:42 PM EDT (17:42 UTC)
Expired: Sep 9, 2023, 2:30 PM EDT
In force: 48 min
Issued by: NWS Atlanta, GA
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Murray County, GA

The radar

The Northeast Alabama radar (KHTX), 123 km from the middle of the area, began a volume at 17:46 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 12:00Z, 5.7 hours before the alert went out and 159 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: 498 J/kg
Mixed-layer CIN: -76 J/kg
Mixed-layer LCL: 1029 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: 13 m²/s²
0-3 km storm-relative helicity: 85 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Sep 9, 11:09 AM EDT, 2 hours 33 minutes earlier.

Area forecast discussion, Sep 9, 11:09 AM EDT, 2 hours 33 minutes before

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Hazardous weather outlook, Sep 9, 11:10 AM EDT, 2 hours 32 minutes before

Hazardous Weather Outlook
National Weather Service Peachtree City GA
1110 AM EDT Sat Sep 9 2023

GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086-
089>098-102>113-101515-
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-
1110 AM EDT Sat Sep 9 2023

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

.DAY ONE...This Afternoon and Tonight...

Scattered thunderstorms should affect the region today. A couple
storms could produce severe downburst winds between 2 PM and 8 PM,
especially in eastern Georgia where the risk for severe weather is
Marginal (level 1 of 5). The is also a Slight Risk (level 2 of 4)
of locally heavy rain leading to flooding in northeast Georgia.

.DAYS TWO THROUGH SEVEN...Sunday through Friday...

Isolated afternoon and evening thunderstorms are possible in the
region Sunday, Tuesday and Wednesday of next week. Severe weather
is not anticipated at this juncture.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected through tonight.

In the hours before

Special weather statement, Sep 9, 1:05 PM EDT, 37 minutes before

Special Weather Statement
National Weather Service Peachtree City GA
105 PM EDT Sat Sep 9 2023

GAZ019-030-091730-
Polk GA-Floyd GA-
105 PM EDT Sat Sep 9 2023

...A strong thunderstorm will impact portions of southwestern Floyd
and western Polk Counties through 130 PM EDT...

At 105 PM EDT, a strong thunderstorm was over Cedartown, moving
northwest at 10 mph.

HAZARD...Up to 40 mph wind, pea sized hail and frequent cloud to
         ground lightning.

SOURCE...Radar indicated.

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

Locations impacted include...
Cedartown, Cave Spring, Fish Creek, and Lindale.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People outdoors should seek shelter immediately. If you can hear
thunder, you are close enough to be struck by lightning.

&&

LAT...LON 3420 8544 3425 8526 3404 8509 3394 8523
      3403 8541 3418 8544
TIME...MOT...LOC 1705Z 133DEG 9KT 3404 8523

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...40 MPH

Special weather statement, Sep 9, 1:36 PM EDT, 6 minutes before

Special Weather Statement
National Weather Service Peachtree City GA
136 PM EDT Sat Sep 9 2023

GAZ019-030-091800-
Polk GA-Floyd GA-
136 PM EDT Sat Sep 9 2023

...A strong thunderstorm will impact portions of Floyd and north
central Polk Counties through 200 PM EDT...

At 135 PM EDT, a strong thunderstorm was over Lindale, or 8 miles
south of Rome, moving north at 15 mph.

HAZARD...Up to 40 mph wind, pea sized hail and frequent cloud to
         ground lightning.

SOURCE...Radar indicated.

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

Locations impacted include...
Rome, Cave Spring, Shannon, Seney, Pinson, Lindale, Coosa, and
Armuchee.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People outdoors should seek shelter immediately. If you can hear
thunder, you are close enough to be struck by lightning.

&&

LAT...LON 3435 8535 3441 8519 3435 8502 3426 8502
      3425 8501 3425 8502 3421 8502 3421 8505
      3416 8504 3406 8509 3407 8531 3431 8538
TIME...MOT...LOC 1735Z 182DEG 12KT 3415 8520

MAX HAIL SIZE...0.25 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
Sep 9, 1:05 PM EDT	Special Weather Statement	FFC	Polk	25 min
Sep 9, 1:36 PM EDT	Special Weather Statement	FFC	Floyd	24 min
Sep 9, 1:48 PM EDT	Special Weather Statement	FFC	Bartow	27 min
Sep 9, 2:07 PM EDT	Severe Thunderstorm Warning	FFC	Bartow, Floyd	23 min
Sep 9, 2:09 PM EDT	Special Weather Statement	FFC	Fannin	21 min
Sep 9, 2:22 PM EDT	Special Weather Statement	FFC	Floyd	8 min
Sep 9, 2:24 PM EDT	Special Weather Statement	FFC	Cherokee	21 min
Sep 9, 2:29 PM EDT	Special Weather Statement	FFC	Floyd	16 min
Sep 9, 2:36 PM EDT	Special Weather Statement	FFC	Fannin	24 min
Sep 9, 2:38 PM EDT	Special Weather Statement	FFC	Bartow	37 min
Sep 9, 3:00 PM EDT	Special Weather Statement	FFC	Chattooga	30 min
Sep 9, 3:14 PM EDT	Special Weather Statement	FFC	Gordon	31 min
Sep 9, 3:23 PM EDT	Special Weather Statement	FFC	Gilmer	37 min
Sep 9, 3:44 PM EDT	Special Weather Statement	FFC	Walker	31 min
Sep 9, 3:56 PM EDT	Severe Thunderstorm Warning	FFC	Walker	27 min
Sep 9, 4:04 PM EDT	Special Weather Statement	FFC	Gilmer	26 min
Sep 9, 4:13 PM EDT	Special Weather Statement	FFC	Walker	32 min
Sep 9, 4:30 PM EDT	Special Weather Statement	FFC	Bleckley	30 min
Sep 9, 4:33 PM EDT	Special Weather Statement	FFC	Gilmer	27 min
Sep 9, 4:51 PM EDT	Special Weather Statement	FFC	Rockdale	24 min
Sep 9, 5:02 PM EDT	Special Weather Statement	FFC	Dade	28 min
Sep 9, 5:06 PM EDT	Special Weather Statement	FFC	Emanuel	24 min
Sep 9, 5:14 PM EDT	Special Weather Statement	FFC	Laurens	31 min
Sep 9, 5:43 PM EDT	Special Weather Statement	FFC	Jackson	32 min
Sep 9, 5:52 PM EDT	Special Weather Statement	FFC	Treutlen	23 min
Sep 9, 6:14 PM EDT	Special Weather Statement	FFC	Treutlen	31 min
Sep 9, 6:30 PM EDT	Special Weather Statement	FFC	Jefferson	30 min
Sep 9, 6:44 PM EDT	Special Weather Statement	FFC	Putnam	31 min
Sep 9, 6:45 PM EDT	Special Weather Statement	FFC	Washington	30 min
Sep 9, 7:04 PM EDT	Special Weather Statement	FFC	Telfair	26 min
Sep 9, 7:13 PM EDT	Special Weather Statement	FFC	Greene	32 min
Sep 9, 7:15 PM EDT	Special Weather Statement	FFC	Monroe	30 min
Sep 9, 7:29 PM EDT	Special Weather Statement	FFC	Forsyth	31 min
Sep 9, 7:41 PM EDT	Special Weather Statement	FFC	Warren	34 min
Sep 9, 7:42 PM EDT	Special Weather Statement	FFC	Butts	33 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2023 Every severe thunderstorm warning 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.