Alert archive / Georgia / Special Weather Statements in 2014

Special Weather Statement, NWS Atlanta, GA

August 30, 2014Catoosa County, Floyd County, Whitfield County, Georgia

NWS Atlanta, GA issued this special weather statement at Aug 30, 2014, 7:15 PM EDT for Catoosa County, Floyd County, Whitfield County, Georgia. It was in force for 30 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: Aug 30, 2014, 7:15 PM EDT (23:15 UTC)
Expired: Aug 30, 2014, 7:45 PM EDT
In force: 30 min
Issued by: NWS Atlanta, GA

Counties Catoosa County, GA, Floyd County, GA, Whitfield County, GA

The radar

The Northeast Alabama radar (KHTX), 102 km from the middle of the area, began a volume at 23:18 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, 11.3 hours before the alert went out and 139 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: 549 J/kg
Mixed-layer CIN: -83 J/kg
Mixed-layer LCL: 930 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: 49 m²/s²
0-3 km storm-relative helicity: 23 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 Aug 30, 7:15 PM EDT, 0 minutes earlier.

Area forecast discussion, Aug 30, 7:15 PM EDT, 0 minutes before

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Hazardous weather outlook, Aug 30, 3:57 PM EDT, 3 hours 18 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
357 PM EDT SAT AUG 30 2014

GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086-
089>098-102>113-312000-
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-
357 PM EDT SAT AUG 30 2014

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

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

SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS ARE EXPECTED TO
DEVELOP ACROSS MUCH OF GEORGIA THIS AFTERNOON AND EVENING. STORMS WILL
HAVE THE POTENTIAL TO BECOME STRONG PRODUCING GUSTY
WINDS...FREQUENT LIGHTNING STRIKES AND LOCALLY HEAVY RAINFALL.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY...

SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS ARE EXPECTED AGAIN
ON SUNDAY. A FEW STORMS MAY BECOME STRONG. SCATTERED SHOWERS AND
THUNDERSTORMS ARE EXPECTED THROUGH THE REMAINDER OF THE FORECAST
PERIOD WITH MAINLY A DIURNAL PATTERN.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED THROUGH TONIGHT.

In the hours before

Special weather statement, Aug 30, 6:05 PM EDT, 1 hour 10 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
605 PM EDT SAT AUG 30 2014

GAZ014-022-302230-
605 PM EDT SAT AUG 30 2014

...SIGNIFICANT WEATHER ADVISORY FOR FREQUENT LIGHTNING IN DAWSON AND
FORSYTH COUNTIES UNTIL 630 PM EDT...

AT 604 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 5 MILES EAST OF CUMMING...MOVING NORTH AT 20 MPH.

LIGHTNING DETECTION SYSTEMS INDICATE NUMEROUS CLOUD-TO-GROUND
LIGHTNING STRIKES ACROSS DAWSON AND FORSYTH COUNTIES...INCLUDING
AREAS AROUND CUMMING...OSCARVILLE...COAL MOUNTAIN...CHESTATEE...
MATT...LUMPKIN...WAR HILL PARK...SILVER CITY...DOUGHERTY...
DAWSONVILLE...MCKEE AND JUNO. RESIDENTS IN THIS AREA SHOULD STAY
INDOORS. ELECTRICAL APPLIANCES AND TELEPHONES SHOULD NOT BE USED
UNLESS IN AN EMERGENCY.

&&

LAT...LON 3446 8409 3442 8399 3441 8397 3439 8398
      3435 8398 3430 8393 3423 8397 3422 8396
      3419 8399 3419 8405 3411 8410 3411 8416
      3452 8421 3452 8416
TIME...MOT...LOC 2205Z 179DEG 18KT 3421 8405

Special weather statement, Aug 30, 6:11 PM EDT, 1 hour 4 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
611 PM EDT SAT AUG 30 2014

GAZ003-004-302245-
611 PM EDT SAT AUG 30 2014

...SIGNIFICANT WEATHER ADVISORY FOR FREQUENT LIGHTNING IN WHITFIELD
AND CATOOSA COUNTIES UNTIL 645 PM EDT...

AT 611 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM OVER DALTON...MOVING NORTH AT 25 MPH.

LIGHTNING DETECTION SYSTEMS INDICATE NUMEROUS CLOUD-TO-GROUND
LIGHTNING STRIKES ACROSS WHITFIELD AND CATOOSA COUNTIES...INCLUDING
AREAS AROUND MILL CREEK...DALTON...ROCKY FACE...DAWNVILLE...TUNNEL
HILL...VARNELL...BEAVERDALE...SALEM AND COHUTTA. RESIDENTS IN THIS
AREA SHOULD STAY INDOORS. ELECTRICAL APPLIANCES AND TELEPHONES SHOULD
NOT BE USED UNLESS IN AN EMERGENCY.

&&

LAT...LON 3483 8485 3481 8486 3479 8485 3478 8486
      3479 8487 3472 8485 3470 8489 3471 8493
      3468 8490 3468 8505 3472 8505 3472 8508
      3499 8511 3499 8484
TIME...MOT...LOC 2212Z 178DEG 20KT 3477 8497

Special weather statement, Aug 30, 6:38 PM EDT, 37 minutes before

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Special weather statement, Aug 30, 6:42 PM EDT, 33 minutes before

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Local storm report, Aug 30, 6:43 PM EDT, 32 minutes before

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Special weather statement, Aug 30, 7:15 PM EDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
715 PM EDT SAT AUG 30 2014

GAZ002>004-011-012-019-302345-
715 PM EDT SAT AUG 30 2014

...SIGNIFICANT WEATHER ADVISORY FOR EXCESSIVE LIGHTNING IN
WHITFIELD...WALKER...CATOOSA...CHATTOOGA...FLOYD AND GORDON COUNTIES
UNTIL 745 PM EDT...

AT 713 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM OVER PLAINVILLE...MOVING NORTH AT 35 MPH.

LIGHTNING DETECTION SYSTEMS INDICATE NUMEROUS CLOUD-TO-GROUND
LIGHTNING STRIKES ACROSS WHITFIELD...WALKER...CATOOSA...CHATTOOGA...
FLOYD AND GORDON COUNTIES...INCLUDING AREAS AROUND PLAINVILLE...
ROME...SHANNON...PINSON...ARMUCHEE...EVERETT SPRINGS...OOSTANAULA...
CALHOUN...RESACA...LAKE MARVIN...SUGAR VALLEY...TILTON...MILL
CREEK...DALTON AND ROCKY FACE. RESIDENTS IN THIS AREA SHOULD STAY
INDOORS. ELECTRICAL APPLIANCES AND TELEPHONES SHOULD NOT BE USED
UNLESS IN AN EMERGENCY.

&&

LAT...LON 3471 8491 3471 8494 3468 8491 3467 8493
      3464 8492 3440 8493 3439 8501 3410 8504
      3408 8542 3429 8546 3428 8539 3438 8533
      3443 8518 3446 8516 3493 8520 3493 8489
TIME...MOT...LOC 2315Z 180DEG 30KT 3443 8505

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 30, 3:37 PM EDT	Special Weather Statement	FFC	Fulton	23 min
Aug 30, 3:53 PM EDT	Special Weather Statement	FFC	Fayette	37 min
Aug 30, 3:54 PM EDT	Special Weather Statement	FFC	Pike	36 min
Aug 30, 4:24 PM EDT	Special Weather Statement	FFC	Clayton, Fulton	36 min
Aug 30, 4:53 PM EDT	Special Weather Statement	FFC	DeKalb, Fulton	37 min
Aug 30, 4:56 PM EDT	Special Weather Statement	FFC	Cherokee	34 min
Aug 30, 5:10 PM EDT	Special Weather Statement	FFC	Gordon	35 min
Aug 30, 6:04 PM EDT	Special Weather Statement	FFC	Paulding	26 min
Aug 30, 6:05 PM EDT	Special Weather Statement	FFC	Dawson, Forsyth	25 min
Aug 30, 6:11 PM EDT	Special Weather Statement	FFC	Whitfield	34 min
Aug 30, 6:27 PM EDT	Severe Thunderstorm Warning	FFC	Polk	17 min
Aug 30, 6:38 PM EDT	Special Weather Statement	FFC	Floyd	37 min
Aug 30, 6:42 PM EDT	Special Weather Statement	FFC	Catoosa, Whitfield	33 min
Aug 30, 7:57 PM EDT	Special Weather Statement	FFC	Union	33 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.