Alert archive / Georgia / Special Weather Statements in 2015

Special Weather Statement, NWS Atlanta, GA

July 10, 2015Cobb County, Georgia

NWS Atlanta, GA issued this special weather statement at Jul 10, 2015, 7:50 PM EDT for Cobb County, Georgia. It was in force for 25 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 10, 2015, 7:50 PM EDT (23:50 UTC)
Expired: Jul 10, 2015, 8:15 PM EDT
In force: 25 min
Issued by: NWS Atlanta, GA

County Cobb County, GA

The radar

The Atlanta radar (KFFC), 59 km from the middle of the area, began a volume at 23:50 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, 11.8 hours before the alert went out and 58 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: 302 J/kg
Mixed-layer CIN: -134 J/kg
Mixed-layer LCL: 1443 m above ground
0-6 km bulk shear: 9 kt
0-1 km storm-relative helicity: 4 m²/s²
0-3 km storm-relative helicity: 12 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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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 10, 7:48 PM EDT, 2 minutes earlier.

Area forecast discussion, Jul 10, 7:48 PM EDT, 2 minutes before

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Hazardous weather outlook, Jul 10, 7:22 PM EDT, 28 minutes before

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In the hours before

Special weather statement, Jul 10, 6:28 PM EDT, 1 hour 22 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
628 PM EDT FRI JUL 10 2015

GAZ110-102300-
TELFAIR GA-
628 PM EDT FRI JUL 10 2015

...SIGNIFICANT WEATHER ADVISORY FOR TELFAIR COUNTY UNTIL 700 PM
EDT...

AT 628 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF STRONG THUNDERSTORMS EXTENDING FROM NEAR HELENA TO NEAR
LUMBER CITY...AND MOVING SOUTHWEST AT 15 MPH.

  HAZARD...40 TO 50 MPH WIND...PEA SIZED HAIL AND FREQUENT CLOUD TO
           GROUND LIGHTNING.

  IMPACT...PEOPLE OUTDOORS SHOULD SEEK SHELTER IMMEDIATELY. EXPECT
           MINOR DAMAGE TO TREE LIMBS AND BLOWING AROUND OF
           LIGHT...UNSECURED OBJECTS. ELECTRICAL APPLIANCES SHOULD
           NOT BE USED UNLESS IN AN EMERGENCY.

SOME LOCATIONS IN THE PATH OF THESE STORMS INCLUDE
MCRAE...HELENA...LUMBER CITY...MILAN...SCOTLAND...JACKSONVILLE...
TOWNS...WORKMORE...LITTLE OCMULGEE STATE PARK AND HORSE CREEK WMA.

LAT...LON 3179 8296 3192 8318 3212 8295 3214 8295
      3211 8290 3208 8288 3205 8281 3202 8278
      3201 8273 3193 8266 3190 8269 3186 8276
      3186 8278 3185 8279 3184 8279 3178 8289
      3179 8290
TIME...MOT...LOC 2228Z 035DEG 11KT 3205 8293 3195 8277

Special weather statement, Jul 10, 6:39 PM EDT, 1 hour 11 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
639 PM EDT FRI JUL 10 2015

GAZ104-102315-
SUMTER GA-
639 PM EDT FRI JUL 10 2015

...SIGNIFICANT WEATHER ADVISORY FOR SUMTER COUNTY UNTIL 715 PM EDT...

AT 638 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF STRONG THUNDERSTORMS EXTENDING FROM NEAR AMERICUS TO 8 MILES
SOUTH OF ANDERSONVILLE...AND MOVING SOUTH AT 15 MPH.

  HAZARD...40 TO 50 MPH WIND...PEA SIZED HAIL AND FREQUENT CLOUD TO
           GROUND LIGHTNING.

  IMPACT...PEOPLE OUTDOORS SHOULD SEEK SHELTER IMMEDIATELY. EXPECT
           MINOR DAMAGE TO TREE LIMBS AND BLOWING AROUND OF
           LIGHT...UNSECURED OBJECTS. ELECTRICAL APPLIANCES SHOULD
           NOT BE USED UNLESS IN AN EMERGENCY.

SOME LOCATIONS IN THE PATH OF THESE STORMS INCLUDE
AMERICUS...PLAINS...LESLIE...ANDERSONVILLE...DE SOTO...DESOTO...
COBB...SUMTER...LAMAR...CROXTON CROSSROADS...NEW ERA...HUNTINGTON...
METHVINS...MADDOX AND PENNINGTON.

LAT...LON 3196 8444 3217 8436 3216 8418 3220 8418
      3220 8414 3219 8413 3219 8409 3217 8403
      3215 8403 3212 8401 3209 8398 3205 8398
      3205 8397 3202 8395 3192 8392 3192 8434
      3187 8434
TIME...MOT...LOC 2238Z 340DEG 11KT 3208 8428 3208 8410

Special weather statement, Jul 10, 6:54 PM EDT, 56 minutes before

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Special weather statement, Jul 10, 7:02 PM EDT, 48 minutes before

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Special weather statement, Jul 10, 7:44 PM EDT, 6 minutes before

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Special weather statement, Jul 10, 7:50 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 10, 3:09 PM EDT	Special Weather Statement	FFC	Wilkinson	36 min
Jul 10, 3:15 PM EDT	Severe Thunderstorm Warning	FFC	Johnson, Laurens, Washington, Wilkinson	45 min
Jul 10, 3:25 PM EDT	Severe Thunderstorm Warning	FFC	Meriwether, Troup	50 min
Jul 10, 3:32 PM EDT	Severe Thunderstorm Warning	FFC	Baldwin, Jones, Wilkinson	43 min
Jul 10, 3:38 PM EDT	Special Weather Statement	FFC	Crawford	37 min
Jul 10, 4:00 PM EDT	Severe Thunderstorm Warning	FFC	Baldwin, Bibb, Jones, Twiggs, Wilkinson	45 min
Jul 10, 4:10 PM EDT	Special Weather Statement	FFC	Laurens	35 min
Jul 10, 4:15 PM EDT	Severe Thunderstorm Warning	FFC	Meriwether, Troup	45 min
Jul 10, 4:29 PM EDT	Special Weather Statement	FFC	Crawford	31 min
Jul 10, 4:47 PM EDT	Special Weather Statement	FFC	Jones	28 min
Jul 10, 4:49 PM EDT	Special Weather Statement	FFC	Johnson	26 min
Jul 10, 4:53 PM EDT	Special Weather Statement	FFC	Twiggs	37 min
Jul 10, 4:55 PM EDT	Special Weather Statement	FFC	Monroe	35 min
Jul 10, 5:04 PM EDT	Special Weather Statement	FFC	Taylor	26 min
Jul 10, 5:05 PM EDT	Severe Thunderstorm Warning	FFC	Taylor	22 min
Jul 10, 5:08 PM EDT	Special Weather Statement	FFC	Fayette	37 min
Jul 10, 5:11 PM EDT	Severe Thunderstorm Warning	FFC	Monroe	49 min
Jul 10, 5:18 PM EDT	Special Weather Statement	FFC	Marion	27 min
Jul 10, 5:32 PM EDT	Severe Thunderstorm Warning	FFC	Macon	43 min
Jul 10, 5:33 PM EDT	Special Weather Statement	FFC	Muscogee	27 min
Jul 10, 5:39 PM EDT	Special Weather Statement	FFC	Montgomery, Toombs	36 min
Jul 10, 5:52 PM EDT	Special Weather Statement	FFC	Houston	23 min
Jul 10, 6:13 PM EDT	Special Weather Statement	FFC	Dodge	32 min
Jul 10, 6:15 PM EDT	Special Weather Statement	FFC	Pulaski	30 min
Jul 10, 6:17 PM EDT	Special Weather Statement	FFC	Sumter	28 min
Jul 10, 6:21 PM EDT	Special Weather Statement	FFC	Polk	24 min
Jul 10, 6:26 PM EDT	Special Weather Statement	FFC	Dooly	34 min
Jul 10, 6:28 PM EDT	Special Weather Statement	FFC	Telfair	32 min
Jul 10, 6:39 PM EDT	Special Weather Statement	FFC	Sumter	36 min
Jul 10, 6:46 PM EDT	Severe Thunderstorm Warning	FFC	Telfair	44 min
Jul 10, 6:54 PM EDT	Special Weather Statement	FFC	Wilcox	36 min
Jul 10, 7:02 PM EDT	Special Weather Statement	FFC	Haralson	28 min
Jul 10, 7:44 PM EDT	Special Weather Statement	FFC	DeKalb	31 min
Jul 10, 7:54 PM EDT	Special Weather Statement	FFC	Bartow	36 min
Jul 10, 7:58 PM EDT	Special Weather Statement	FFC	Polk	32 min

Nearby

Special Weather Statements in Georgia, 2015 Every special weather statement in 2015

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.