Alert archive / Georgia / Special Weather Statements in 2017

Special Weather Statement, NWS Atlanta, GA

June 12, 2017Coweta County, Georgia

NWS Atlanta, GA issued this special weather statement at Jun 12, 2017, 3:01 PM EDT for Coweta 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
Jun 12, 2017, 3:01 PM EDT (19:01 UTC)
Expired
Jun 12, 2017, 3:30 PM EDT
In force
29 min
Issued by
NWS Atlanta, GA
Wind
40

County Coweta County, GA

The radar

The Atlanta radar (KFFC), 7 km from the middle of the area, began a volume at 19:01 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, 7.0 hours before the alert went out and 11 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-pSkew-T log-p diagram, Peachtre/Fal Fld, GA at 12:00Z on 2017-06-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 384 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Peachtre/Fal Fld, GA at 12:00Z on 2017-06-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -15 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
384 J/kg
Mixed-layer CIN
-32 J/kg
Mixed-layer LCL
799 m above ground
0-6 km bulk shear
7 kt
0-1 km storm-relative helicity
-15 m²/s²
0-3 km storm-relative helicity
5 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 Jun 12, 1:40 PM EDT, 1 hour 21 minutes earlier.

Area forecast discussion, Jun 12, 1:40 PM EDT, 1 hour 21 minutes before
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Hazardous weather outlook, Jun 12, 12:00 PM EDT, 3 hours 1 minute before
Hazardous Weather Outlook...Updated
National Weather Service Peachtree City GA
1200 PM EDT Mon Jun 12 2017

GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086-
089>098-102>113-130915-
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-
1200 PM EDT Mon Jun 12 2017

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

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

Scattered thunderstorms are expected across north and central
Georgia this afternoon and evening. A few of the storms could become
strong with the primary threats being gusty winds, frequent
lightning and heavy rainfall.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday...

Scattered thunderstorms will be possible across the entire area
Tuesday through Sunday, mainly during the afternoon and evening.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed through tonight.

In the hours before

Special weather statement, Jun 12, 12:50 PM EDT, 2 hours 11 minutes before
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Special weather statement, Jun 12, 12:59 PM EDT, 2 hours 2 minutes before
Special Weather Statement
National Weather Service Peachtree City GA
1259 PM EDT MON JUN 12 2017

GAZ089-090-121730-
Chattahoochee GA-Muscogee GA-
1259 PM EDT MON JUN 12 2017

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN CHATTAHOOCHEE AND
SOUTHERN MUSCOGEE COUNTIES UNTIL 130 PM EDT...

At 1258 PM EDT...a strong thunderstorm was over Benning Park, or near
Columbus...moving southwest at 10 mph.

  HAZARD...40 to 50 mph wind...pea sized hail and frequent cloud to
           ground lightning.

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

Some locations in the path of this storm include
Cusseta, Fort Benning/lawson Army Air Fld, Saint Marys Hills,
Highland Park, Sand Hill, Custer Road Terrace, Battle Park, Vista
Terrace, Benning Hills, Jamestown/south Fort Benning, Benning Park
and Carter Acres.

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 3226 8490 3227 8490 3230 8494 3233 8501
      3235 8500 3238 8497 3238 8499 3239 8498
      3239 8497 3241 8498 3242 8496 3245 8498
      3249 8494 3245 8479 3223 8479
TIME...MOT...LOC 1658Z 026DEG 10KT 3243 8494

HAIL...0.25IN
WIND...50MPH
Special weather statement, Jun 12, 1:16 PM EDT, 1 hour 45 minutes before
Special Weather Statement
National Weather Service Peachtree City GA
116 PM EDT MON JUN 12 2017

GAZ089-090-121745-
Chattahoochee GA-Muscogee GA-
116 PM EDT MON JUN 12 2017

...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN CHATTAHOOCHEE AND
NORTHEASTERN MUSCOGEE COUNTIES UNTIL 145 PM EDT...

At 116 PM EDT...a strong thunderstorm was over Upatoi, or 14 miles
northeast of Columbus...moving southwest at 10 mph.

  HAZARD...40 to 50 mph wind...pea sized hail and frequent cloud to
           ground lightning.

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

Some locations in the path of this storm include
Upatoi, North Fort Benning and Eelbeck/West Fort Benning.

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 3248 8492 3258 8480 3258 8470 3256 8469
      3256 8467 3255 8467 3254 8468 3253 8468
      3252 8469 3252 8468 3242 8469
TIME...MOT...LOC 1716Z 029DEG 8KT 3256 8476

HAIL...0.25IN
WIND...50MPH
Special weather statement, Jun 12, 1:29 PM EDT, 1 hour 32 minutes before
Special Weather Statement
National Weather Service Peachtree City GA
129 PM EDT MON JUN 12 2017

GAZ089-090-121745-
Chattahoochee GA-Muscogee GA-
129 PM EDT MON JUN 12 2017

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN CHATTAHOOCHEE AND
SOUTHERN MUSCOGEE COUNTIES UNTIL 145 PM EDT...

At 128 PM EDT...a strong thunderstorm was over Sand Hill, or 8 miles
northwest of Cusseta...moving southwest at 10 mph.

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

  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.

Some locations in the path of this storm include
Fort Benning/lawson Army Air Fld, Saint Marys Hills, Sand Hill,
Custer Road Terrace, Battle Park, Vista Terrace, Benning Hills,
Benning Park and Carter Acres.

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 3235 8500 3238 8497 3239 8499 3239 8497
      3241 8498 3242 8496 3244 8497 3249 8492
      3242 8472 3225 8489 3225 8490 3226 8489
      3230 8494 3233 8501
TIME...MOT...LOC 1728Z 028DEG 7KT 3238 8489

WIND...40MPH
Special weather statement, Jun 12, 1:45 PM EDT, 1 hour 16 minutes before
Special Weather Statement
National Weather Service Peachtree City GA
145 PM EDT MON JUN 12 2017

GAZ078-079-089-090-121815-
Chattahoochee GA-Harris GA-Talbot GA-Muscogee GA-
145 PM EDT MON JUN 12 2017

...SIGNIFICANT WEATHER ADVISORY FOR CHATTAHOOCHEE...SOUTHEASTERN
HARRIS...SOUTHWESTERN TALBOT AND MUSCOGEE COUNTIES UNTIL 215 PM
EDT...

At 145 PM EDT...a strong thunderstorm was over North Fort Benning, or
9 miles north of Cusseta...moving southwest at 20 mph.

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

  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.

Some locations in the path of this storm include
North Fort Benning, Upatoi, Fort Benning/lawson Army Air Fld, Saint
Marys Hills, Sand Hill, Battle Park, Vista Terrace, Jamestown/south
Fort Benning, Box Springs, Midland, Custer Road Terrace, Eelbeck/West
Fort Benning, Benning Hills, Benning Park and Carter Acres.

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 3225 8492 3226 8489 3230 8494 3233 8501
      3235 8500 3238 8497 3239 8499 3239 8497
      3241 8498 3242 8496 3243 8497 3265 8474
      3260 8458 3223 8486 3223 8490
TIME...MOT...LOC 1745Z 029DEG 19KT 3245 8477

WIND...40MPH
Special weather statement, Jun 12, 3:01 PM EDT, 0 minutes before
Special Weather Statement
National Weather Service Peachtree City GA
301 PM EDT MON JUN 12 2017

GAZ053-067-121930-
Coweta GA-Meriwether GA-
301 PM EDT MON JUN 12 2017

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN COWETA AND NORTHERN
MERIWETHER COUNTIES UNTIL 330 PM EDT...

At 300 PM EDT...a strong thunderstorm was near Haralson, or 13 miles
southeast of Newnan...moving north at 5 mph.

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

  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.

Some locations in the path of this storm include
Senoia, Sharpsburg, Turin and Haralson.

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 3335 8466 3335 8457 3334 8456 3334 8455
      3333 8453 3332 8452 3319 8459 3320 8468
TIME...MOT...LOC 1900Z 172DEG 6KT 3327 8461

WIND...40MPH

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 12, 12:35 PM EDTSpecial Weather StatementFFCMuscogee25 min
Jun 12, 12:50 PM EDTSpecial Weather StatementFFCFayette25 min
Jun 12, 12:59 PM EDTSpecial Weather StatementFFCChattahoochee31 min
Jun 12, 1:16 PM EDTSpecial Weather StatementFFCMuscogee29 min
Jun 12, 1:29 PM EDTSpecial Weather StatementFFCChattahoochee16 min
Jun 12, 1:45 PM EDTSpecial Weather StatementFFCChattahoochee, Muscogee30 min
Jun 12, 4:26 PM EDTSpecial Weather StatementFFCHaralson34 min
Jun 12, 5:17 PM EDTSpecial Weather StatementFFCCobb28 min
Jun 12, 6:39 PM EDTSpecial Weather StatementFFCGordon36 min

Nearby

Special Weather Statements in Georgia, 2017Every special weather statement in 2017

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.