Alert archive / Georgia / Special Weather Statements in 2015

Special Weather Statement, NWS Atlanta, GA

June 20, 2015Newton County, Rockdale County, Georgia

NWS Atlanta, GA issued this special weather statement at Jun 20, 2015, 2:19 PM EDT for Newton County, Rockdale County, Georgia. It was in force for 26 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 20, 2015, 2:19 PM EDT (18:19 UTC)
Expired: Jun 20, 2015, 2:45 PM EDT
In force: 26 min
Issued by: NWS Atlanta, GA

Counties Newton County, GA, Rockdale County, GA

The radar

The Atlanta radar (KFFC), 61 km from the middle of the area, began a volume at 18:23 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, 6.3 hours before the alert went out and 55 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: 987 J/kg
Mixed-layer CIN: -34 J/kg
Mixed-layer LCL: 705 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 42 m²/s²
0-3 km storm-relative helicity: 40 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.7

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 Jun 20, 1:54 PM EDT, 25 minutes earlier.

Area forecast discussion, Jun 20, 1:54 PM EDT, 25 minutes before

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Hazardous weather outlook, Jun 20, 4:54 AM EDT, 9 hours 25 minutes before

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In the hours before

Special weather statement, Jun 20, 1:49 PM EDT, 30 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
149 PM EDT SAT JUN 20 2015

GAZ033-044-045-055-057-201815-
DE KALB GA-HENRY GA-CLAYTON GA-SOUTH FULTON GA-NORTH FULTON GA-
149 PM EDT SAT JUN 20 2015

...SIGNIFICANT WEATHER ADVISORY FOR 35 MPH WINDS IN DE KALB...
HENRY...CLAYTON...SOUTH FULTON AND NORTH FULTON COUNTIES UNTIL 215 PM
EDT...

AT 148 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR CANDLER-MCAFEE...OR NEAR DECATUR...MOVING
EAST AT 40 MPH.

WIND GUSTS OF 35 MPH ARE LIKELY WITH THIS STORM AS THIS STORM MOVES
ACROSS DE KALB...HENRY...CLAYTON...SOUTH FULTON AND NORTH FULTON
COUNTIES THROUGH 215 PM EDT.

SOME LOCATIONS IN THE PATH OF THE STORM INCLUDE
ATLANTA...DECATUR...JONESBORO...EAST POINT...STOCKBRIDGE...FOREST
PARK...RIVERDALE...CLARKSTON...MORROW...HAPEVILLE...STONE MOUNTAIN...
AVONDALE ESTATES...LAKE CITY...PINE LAKE...DRUID HILLS...NORTH
DECATUR...CANDLER-MCAFEE...BELVEDERE PARK...GRANT PARK-ZOO ATLANTA
AND TUCKER.

LAT...LON 3375 8441 3387 8419 3387 8418 3345 8419
      3355 8445
TIME...MOT...LOC 1748Z 262DEG 35KT 3368 8431

Special weather statement, Jun 20, 1:57 PM EDT, 22 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
157 PM EDT SAT JUN 20 2015

GAZ054-201830-
FAYETTE GA-
157 PM EDT SAT JUN 20 2015

...SIGNIFICANT WEATHER ADVISORY FOR 35 MPH WINDS IN FAYETTE COUNTY
UNTIL 230 PM EDT...

AT 157 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR FAYETTEVILLE...MOVING EAST AT 30 MPH.

WIND GUSTS OF 35 MPH ARE LIKELY WITH THIS STORM AS THIS STORM MOVES
ACROSS FAYETTE COUNTY THROUGH 230 PM EDT.

SOME LOCATIONS IN THE PATH OF THE STORM INCLUDE
FAYETTEVILLE...PEACHTREE CITY...TYRONE...WOOLSEY...SANDY CREEK AND
INMAN.

LAT...LON 3353 8444 3350 8442 3348 8439 3346 8438
      3344 8440 3342 8440 3341 8439 3339 8440
      3337 8440 3334 8438 3333 8439 3333 8453
      3336 8458 3351 8460
TIME...MOT...LOC 1757Z 266DEG 27KT 3343 8451

Special weather statement, Jun 20, 2:19 PM EDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
219 PM EDT SAT JUN 20 2015

GAZ045-046-048-057-201845-
DE KALB GA-HENRY GA-NEWTON GA-ROCKDALE GA-
219 PM EDT SAT JUN 20 2015

...SIGNIFICANT WEATHER ADVISORY FOR 35 MPH WINDS IN DE KALB...
HENRY...NEWTON AND ROCKDALE COUNTIES UNTIL 245 PM EDT...

AT 218 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR LITHONIA...OR NEAR CONYERS...MOVING EAST AT
25 MPH.

WIND GUSTS OF 35 MPH ARE LIKELY WITH THIS STORM AS THIS STORM MOVES
ACROSS DE KALB...HENRY...NEWTON AND ROCKDALE COUNTIES THROUGH 245 PM
EDT.

SOME LOCATIONS IN THE PATH OF THE STORM INCLUDE
CONYERS...COVINGTON...OXFORD...LITHONIA...PORTERDALE...GEORGIA
INTERNATIONAL HORSE PARK...LAKEVIEW ESTATES...GUM CREEK...OAK HILL...
ARABIA MOUNTAIN...BELMONT...ALMON...ROCKY PLAINS...MAGNET...
STARRSVILLE...MILSTEAD...PANOLA MOUNTAIN STATE PARK...RICHARDSON
PARK...KELLEYTOWN AND REDAN.

LAT...LON 3374 8418 3373 8388 3365 8377 3346 8381
      3356 8422
TIME...MOT...LOC 1818Z 279DEG 22KT 3364 8412

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 20, 5:33 AM EDT	Special Weather Statement	FFC	Dade	27 min
Jun 20, 1:49 PM EDT	Special Weather Statement	FFC	Clayton, DeKalb	26 min
Jun 20, 1:57 PM EDT	Special Weather Statement	FFC	Fayette	33 min
Jun 20, 2:31 PM EDT	Special Weather Statement	FFC	Cobb, Paulding	29 min
Jun 20, 2:42 PM EDT	Special Weather Statement	FFC	Fayette, Henry, Spalding	33 min
Jun 20, 2:48 PM EDT	Special Weather Statement	FFC	Twiggs	27 min
Jun 20, 2:54 PM EDT	Severe Thunderstorm Warning	FFC	Cobb	38 min
Jun 20, 3:01 PM EDT	Special Weather Statement	FFC	Clarke, Oconee, Walton	29 min
Jun 20, 3:11 PM EDT	Special Weather Statement	FFC	Gwinnett	34 min
Jun 20, 3:13 PM EDT	Special Weather Statement	FFC	Newton	32 min
Jun 20, 3:37 PM EDT	Special Weather Statement	FFC	Clarke, Oglethorpe, Wilkes	23 min
Jun 20, 3:46 PM EDT	Special Weather Statement	FFC	Gwinnett	29 min
Jun 20, 3:59 PM EDT	Severe Thunderstorm Warning	FFC	DeKalb, Gwinnett, Rockdale, Walton	29 min
Jun 20, 4:01 PM EDT	Special Weather Statement	FFC	Oglethorpe, Wilkes	29 min
Jun 20, 4:24 PM EDT	Special Weather Statement	FFC	Clayton	36 min
Jun 20, 4:57 PM EDT	Special Weather Statement	FFC	Clayton, Fayette	33 min
Jun 20, 4:58 PM EDT	Special Weather Statement	FFC	Rockdale	32 min
Jun 20, 5:42 PM EDT	Special Weather Statement	FFC	Coweta, Fayette	33 min
Jun 20, 6:28 PM EDT	Special Weather Statement	FFC	Meriwether, Troup	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.