Alert archive / Georgia / Special Weather Statements in 2014

Special Weather Statement, NWS Atlanta, GA

August 18, 2014Lumpkin County, Towns County, White County, Georgia

NWS Atlanta, GA issued this special weather statement at Aug 18, 2014, 9:20 AM EDT for Lumpkin County, Towns County, White 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: Aug 18, 2014, 9:20 AM EDT (13:20 UTC)
Expired: Aug 18, 2014, 9:45 AM EDT
In force: 25 min
Issued by: NWS Atlanta, GA

Counties Lumpkin County, GA, Towns County, GA, White County, GA

The radar

The Greer radar (KGSP), 153 km from the middle of the area, began a volume at 13:21 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, 1.3 hours before the alert went out and 157 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: 1076 J/kg
Mixed-layer CIN: -57 J/kg
Mixed-layer LCL: 674 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: 31 m²/s²
0-3 km storm-relative helicity: 21 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 18, 7:18 AM EDT, 2 hours 2 minutes earlier.

Area forecast discussion, Aug 18, 7:18 AM EDT, 2 hours 2 minutes before

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Hazardous weather outlook, Aug 18, 5:00 AM EDT, 4 hours 20 minutes before

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In the hours before

Special weather statement, Aug 18, 6:36 AM EDT, 2 hours 44 minutes before

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Special weather statement, Aug 18, 7:23 AM EDT, 1 hour 57 minutes before

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Special weather statement, Aug 18, 8:30 AM EDT, 50 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
830 AM EDT MON AUG 18 2014

GAZ004>008-014-181315-
830 AM EDT MON AUG 18 2014

...SIGNIFICANT WEATHER ADVISORY FOR HEAVY RAIN IN WHITFIELD...
UNION...MURRAY...DAWSON...FANNIN AND GILMER COUNTIES UNTIL 915 AM
EDT...

AT 824 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS FROM LOVING TO NORTH GEORGIA SPEEDWAY...MOVING
EAST AT 25 MPH.

RUNOFF FROM THESE STORMS WILL CAUSE MINOR FLOODING OF SMALL CREEKS
AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES ACROSS
WHITFIELD...UNION...MURRAY...DAWSON...FANNIN AND GILMER COUNTIES...
INCLUDING AREAS AROUND MINERAL BLUFF...NORTH GEORGIA SPEEDWAY...
RAMHURST...FORT MOUNTAIN STATE PARK...TILTON...MOUNTAINTOWN...
LOVING...BLUE RIDGE...MORGANTON...NOTTELY DAM...TAILS CREEK...CHERRY
LOG...IVY LOG...HEMP AND HURST. ADDITIONALLY...COUNTRY ROADS AND
FARMLANDS ALONG THE BANKS OF CREEKS AND STREAMS ARE SUBJECT TO MINOR
FLOODING. IN ADDITION...WIND GUSTS OF 35 MPH WITH THESE STORMS ARE
POSSIBLE.

&&

LAT...LON 3497 8394 3492 8391 3490 8383 3491 8384
      3491 8381 3465 8407 3466 8413 3461 8418
      3466 8497 3482 8457 3500 8422 3499 8394
TIME...MOT...LOC 1229Z 278DEG 23KT 3494 8418 3481 8445
          3468 8475

Special weather statement, Aug 18, 9:20 AM EDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
920 AM EDT MON AUG 18 2014

GAZ008-009-013>016-023-181345-
920 AM EDT MON AUG 18 2014

...SIGNIFICANT WEATHER ADVISORY FOR HEAVY RAIN IN WHITE...UNION...
TOWNS...PICKENS...LUMPKIN...DAWSON AND HALL COUNTIES UNTIL 945 AM
EDT...

AT 918 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS FROM MOUNTAIN SCENE TO SEQUOYAH LAKE...MOVING
EAST AT 40 MPH.

RAINFALL AMOUNTS BETWEEN 0.5 TO 1.5 INCHES CAN BE EXPECTED ACROSS
WHITE...UNION...TOWNS...PICKENS...LUMPKIN...DAWSON AND HALL
COUNTIES...INCLUDING AREAS AROUND BLOOD MOUNTAIN SHELTER...LEN FOOTE
HIKE INN...SEQUOYAH LAKE...LAKE TAMARACK...TALKING
ROCK...MACEDONIA...HIAWASSEE...BRASSTOWN BALD...WOODS HOLE
SHELTER...VOGEL STATE PARK...SUCHES...OWLTOWN...TRACK ROCK...LOW GAP
SHELTER AND CAMP MERRILL. DRIVERS SHOULD USE CAUTION AS INTENSE
RAINFALL WILL REDUCE VISIBILITIES. PONDING OF WATER ON ROADWAYS IS
ALSO LIKELY.

&&

LAT...LON 3498 8354 3495 8354 3488 8365 3482 8365
      3480 8367 3475 8362 3465 8365 3454 8361
      3450 8365 3443 8361 3437 8368 3451 8454
      3455 8443 3455 8437 3458 8433 3457 8426
      3460 8425 3461 8419 3499 8375
TIME...MOT...LOC 1320Z 281DEG 34KT 3485 8370 3466 8397
          3453 8433

30

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 18, 6:36 AM EDT	Special Weather Statement	FFC	Catoosa	54 min
Aug 18, 7:23 AM EDT	Special Weather Statement	FFC	Catoosa, Dade, Murray, Walker, Whitfield	67 min
Aug 18, 8:30 AM EDT	Special Weather Statement	FFC	Fannin, Gilmer, Union	45 min
Aug 18, 9:53 AM EDT	Special Weather Statement	FFC	Catoosa, Dade, Gordon, Murray, Walker, Whitfield	52 min
Aug 18, 10:03 AM EDT	Special Weather Statement	FFC	Gilmer, Lumpkin, White	57 min
Aug 18, 12:19 PM EDT	Special Weather Statement	FFC	Greene	41 min
Aug 18, 12:29 PM EDT	Severe Thunderstorm Warning	FFC	Greene, Oglethorpe, Taliaferro, Wilkes	46 min
Aug 18, 1:35 PM EDT	Special Weather Statement	FFC	Stewart, Webster	25 min
Aug 18, 1:59 PM EDT	Special Weather Statement	FFC	Stewart, Webster	31 min
Aug 18, 3:21 PM EDT	Special Weather Statement	FFC	Dade, Walker	24 min
Aug 18, 4:47 PM EDT	Special Weather Statement	FFC	Floyd, Polk	43 min
Aug 18, 5:01 PM EDT	Severe Thunderstorm Warning	FFC	Floyd, Polk	44 min
Aug 18, 5:37 PM EDT	Special Weather Statement	FFC	Newton	23 min
Aug 18, 5:41 PM EDT	Special Weather Statement	FFC	Paulding	34 min
Aug 18, 6:14 PM EDT	Special Weather Statement	FFC	Harris, Muscogee	46 min
Aug 18, 6:23 PM EDT	Special Weather Statement	FFC	Troup	52 min
Aug 18, 6:24 PM EDT	Special Weather Statement	FFC	Oglethorpe, Wilkes	36 min
Aug 18, 6:47 PM EDT	Special Weather Statement	FFC	Carroll, Heard	28 min
Aug 18, 6:53 PM EDT	Special Weather Statement	FFC	Douglas, Fulton	37 min
Aug 18, 7:00 PM EDT	Special Weather Statement	FFC	Floyd, Haralson, Polk	30 min
Aug 18, 7:01 PM EDT	Special Weather Statement	FFC	Chattahoochee, Marion, Muscogee, Stewart, Talbot, Webster	44 min
Aug 18, 7:08 PM EDT	Severe Thunderstorm Warning	FFC	Coweta, Fayette, Meriwether, Pike, Spalding	52 min
Aug 18, 7:15 PM EDT	Severe Thunderstorm Warning	FFC	Chattahoochee, Harris, Marion, Muscogee, Schley, Stewart and 3 more	45 min
Aug 18, 7:19 PM EDT	Special Weather Statement	FFC	DeKalb, Gwinnett	26 min
Aug 18, 7:25 PM EDT	Severe Thunderstorm Warning	FFC	DeKalb	50 min
Aug 18, 7:26 PM EDT	Severe Thunderstorm Warning	FFC	Coweta, Fayette, Spalding	34 min
Aug 18, 7:30 PM EDT	Special Weather Statement	FFC	Hall	30 min
Aug 18, 7:39 PM EDT	Severe Thunderstorm Warning	FFC	Gwinnett	36 min
Aug 18, 7:57 PM EDT	Special Weather Statement	FFC	Crawford, Macon, Peach, Schley, Sumter, Taylor	33 min
Aug 18, 7:57 PM EDT	Severe Thunderstorm Warning	FFC	Clayton, Fayette, Henry	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.