Alert archive / Georgia / Special Weather Statements in 2014

Special Weather Statement, NWS Atlanta, GA

July 28, 2014Emanuel County, Johnson County, Georgia

NWS Atlanta, GA issued this special weather statement at Jul 28, 2014, 3:06 PM EDT for Emanuel County, Johnson County, Georgia. It was in force for 24 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 28, 2014, 3:06 PM EDT (19:06 UTC)
Expired: Jul 28, 2014, 3:30 PM EDT
In force: 24 min
Issued by: NWS Atlanta, GA

Counties Emanuel County, GA, Johnson County, GA

The radar

The Robins AFB radar (KJGX), 85 km from the middle of the area, began a volume at 19:06 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, 7.1 hours before the alert went out and 208 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: 1707 J/kg
Mixed-layer CIN: -62 J/kg
Mixed-layer LCL: 901 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 64 m²/s²
0-3 km storm-relative helicity: 93 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 3.2

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 28, 1:40 PM EDT, 1 hour 26 minutes earlier.

Area forecast discussion, Jul 28, 1:40 PM EDT, 1 hour 26 minutes before

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Hazardous weather outlook, Jul 28, 10:55 AM EDT, 4 hours 11 minutes before

HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1055 AM EDT MON JUL 28 2014

GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086-
089>098-102>113-291500-
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-
1055 AM EDT MON JUL 28 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH AND CENTRAL GEORGIA.

.DAY ONE...THIS AFTERNOON AND TONIGHT...

...SCATTERED STRONG TO SEVERE THUNDERSTORMS ARE POSSIBLE THIS
AFTERNOON AND EARLY EVENING ACROSS CENTRAL GEORGIA.  HEAT INDICES ARE
FORECAST TO BE NEAR 110 ACROSS EAST CENTRAL GEORGIA...

WEATHER HAZARDS EXPECTED...
HEAT INDICES ARE FORECAST TO BE FROM 105 TO 110 SOUTH AND EAST OF
A LINE FROM CORDELE TO SWAINSBORO. STRONG DAMAGING WINDS...SMALL
HAIL...FREQUENT LIGHTNING AND HEAVY RAIN ARE POSSIBLE WITH
THUNDERSTORMS THIS AFTERNOON SOUTH AND EAST OF A LINE FROM
COLUMBUS TO AUGUSTA.

DISCUSSION...
AN UNSEASONABLE COLD FRONT WILL MOVE THROUGH THE STATE TODAY. THE
FRONT WILL INTERACT WITH AN UNSTABLE AIRMASS ACROSS CENTRAL
GEORGIA THIS AFTERNOON AND LEAD TO THE DEVELOPMENT OF STRONG TO
SEVERE THUNDERSTORMS.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY...
A CHANCE OF THUNDERSTORMS RETURN TO THE AREA ON THURSDAY AND
REMAIN IN THE FORECAST FOR THE REST OF PERIOD.

.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

Special weather statement, Jul 28, 3:04 PM EDT, 2 minutes before

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Special weather statement, Jul 28, 3:06 PM EDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
306 PM EDT MON JUL 28 2014

GAZ085-086-281930-
306 PM EDT MON JUL 28 2014

...SIGNIFICANT WEATHER ADVISORY FOR FREQUENT LIGHTNING IN JOHNSON AND
EMANUEL COUNTIES UNTIL 330 PM EDT...

AT 303 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM OVER KITE...MOVING EAST AT 25 MPH.

THIS STORM HAS THE POTENTIAL TO PRODUCE PEA SIZED HAIL...FREQUENT
CLOUD TO GROUND LIGHTNING AND WIND GUSTS TO 35 MPH AS IT MOVES ACROSS
JOHNSON AND EMANUEL COUNTIES THROUGH 330 PM EDT. SOME LOCATIONS IN
THE PATH OF THIS STORM INCLUDE NEW HOME...MEEKS...KITE...NORRISTOWN
JUNCTION...MODOC...DELLWOOD AND SWAINSBORO. HEAVY DOWNPOURS WILL
CAUSE PONDING OF WATER ON ROADWAYS.

&&

LAT...LON 3247 8228 3263 8271 3279 8263 3279 8260
      3268 8219
TIME...MOT...LOC 1907Z 290DEG 23KT 3268 8256

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 28, 1:59 AM EDT	Special Weather Statement	FFC	Union	46 min
Jul 28, 2:31 AM EDT	Special Weather Statement	FFC	Catoosa, Walker, Whitfield	29 min
Jul 28, 2:39 AM EDT	Special Weather Statement	FFC	Union, White	51 min
Jul 28, 2:55 AM EDT	Special Weather Statement	FFC	Catoosa, Whitfield	35 min
Jul 28, 3:40 AM EDT	Special Weather Statement	FFC	Walker, Whitfield	50 min
Jul 28, 3:04 PM EDT	Special Weather Statement	FFC	Chattahoochee, Marion	26 min
Jul 28, 3:19 PM EDT	Special Weather Statement	FFC	Laurens	26 min
Jul 28, 3:28 PM EDT	Special Weather Statement	FFC	Marion	32 min
Jul 28, 3:44 PM EDT	Special Weather Statement	FFC	Laurens	31 min
Jul 28, 3:52 PM EDT	Special Weather Statement	FFC	Emanuel	38 min
Jul 28, 4:02 PM EDT	Special Weather Statement	FFC	Sumter	43 min
Jul 28, 4:18 PM EDT	Severe Thunderstorm Warning	FFC	Crisp, Sumter	27 min
Jul 28, 4:29 PM EDT	Special Weather Statement	FFC	Laurens	31 min
Jul 28, 4:40 PM EDT	Special Weather Statement	FFC	Jefferson	35 min
Jul 28, 4:42 PM EDT	Special Weather Statement	FFC	Crisp	33 min
Jul 28, 4:44 PM EDT	Special Weather Statement	FFC	Sumter	31 min
Jul 28, 5:15 PM EDT	Special Weather Statement	FFC	Stewart, Webster	45 min
Jul 28, 5:22 PM EDT	Special Weather Statement	FFC	Laurens	38 min
Jul 28, 7:21 PM EDT	Special Weather Statement	FFC	Houston, Pulaski	24 min
Jul 28, 7:53 PM EDT	Special Weather Statement	FFC	Emanuel	37 min

Nearby

Special Weather Statements in Georgia, 2014 Every special weather statement in 2014

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.