Alert archive / Georgia / Special Weather Statements in 2013

Special Weather Statement, NWS Atlanta, GA

August 11, 2013Chattooga County, Georgia

NWS Atlanta, GA issued this special weather statement at Aug 11, 2013, 3:49 PM EDT for Chattooga County, Georgia. It was in force for 41 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 11, 2013, 3:49 PM EDT (19:49 UTC)
Expired: Aug 11, 2013, 4:30 PM EDT
In force: 41 min
Issued by: NWS Atlanta, GA

County Chattooga County, GA

The radar

The Northeast Alabama radar (KHTX), 76 km from the middle of the area, began a volume at 19:49 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, 7.8 hours before the alert went out and 153 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: 441 J/kg
Mixed-layer CIN: -43 J/kg
Mixed-layer LCL: 809 m above ground
0-6 km bulk shear: 6 kt
0-1 km storm-relative helicity: -24 m²/s²
0-3 km storm-relative helicity: -25 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 11, 1:35 PM EDT, 2 hours 14 minutes earlier.

Area forecast discussion, Aug 11, 1:35 PM EDT, 2 hours 14 minutes before

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        The site you requested is temporarily down for maintenance or an unexpected outage.
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Hazardous weather outlook, Aug 11, 4:29 AM EDT, 11 hours 20 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
429 AM EDT SUN AUG 11 2013

GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086-
089>098-102>113-120830-
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-
429 AM EDT SUN AUG 11 2013

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

.DAY ONE...TODAY AND TONIGHT...
SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED AGAIN TODAY AND
TONIGHT AS A MOIST AIR MASS CONTINUES OVER NORTH AND CENTRAL GEORGIA.
BEST CHANCES WILL CONTINUE ACROSS NORTH GEORGIA AHEAD OF A COLD
FRONT THAT HAD STALLED OVER TENNESSEE. THE PRIMARY HAZARD WILL BE HEAVY
RAIN. THE POTENTIAL FOR FLASH FLOODING STILL EXISTS...ESPECIALLY
IF THE CONVECTION IS SLOW MOVING. OTHER HAZARDS INCLUDE GUSTY
WINDS AND FREQUENT LIGHTNING.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY...
SHOWERS AND THUNDERSTORMS WILL BE POSSIBLE EACH DAY THROUGH THE
WEEK AND INTO THE WEEKEND. THUNDERSTORMS WILL CONTINUE TO HAVE
THE POTENTIAL TO PRODUCE LOCALLY HEAVY RAINFALL...WHICH COULD
CAUSE LOCALIZED FLOODING.

A FRONTAL BOUNDARY SHOULD MOVE INTO NORTH GEORGIA BY THE MIDDLE OF THE
WEEK. THIS BOUNDARY MAY BE A FOCUS FOR MORE WIDESPREAD SHOWERS AND
THUNDERSTORMS... MAINLY ACROSS THE NORTH. CONDITIONS WILL CONTINUE
TO BE MONITORED CLOSELY FOR POTENTIAL FLOODING.

.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, Aug 11, 1:31 PM EDT, 2 hours 18 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
131 PM EDT SUN AUG 11 2013

GAZ002-011-111815-
131 PM EDT SUN AUG 11 2013

...SIGNIFICANT WEATHER ADVISORY FOR HEAVY RAIN IN WALKER AND
CHATTOOGA COUNTIES UNTIL 215 PM EDT...

AT 128 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM OVER TRION...MOVING EAST AT 10 MPH.

RUNOFF FROM THESE STORMS WILL CAUSE MINOR FLOODING OF SMALL CREEKS
AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES ACROSS
WALKER AND CHATTOOGA COUNTIES...INCLUDING AREAS AROUND TRION...
SUBLIGNA AND SUTTLES MILL. ADDITIONALLY...COUNTRY ROADS AND FARMLANDS
ALONG THE BANKS OF CREEKS AND STREAMS ARE SUBJECT TO MINOR FLOODING.

&&

LAT...LON 3458 8543 3466 8514 3457 8511 3454 8513
      3448 8538
TIME...MOT...LOC 1731Z 259DEG 7KT 3456 8535

Special weather statement, Aug 11, 2:14 PM EDT, 1 hour 35 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
214 PM EDT SUN AUG 11 2013

GAZ002-011-111900-
214 PM EDT SUN AUG 11 2013

...SIGNIFICANT WEATHER ADVISORY FOR HEAVY RAIN IN WALKER AND
CHATTOOGA COUNTIES UNTIL 300 PM EDT...

AT 210 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM AROUND TRION...MOVING EAST AT 5 MPH.

RUNOFF FROM THESE STORMS WILL CAUSE MINOR FLOODING OF SMALL CREEKS
AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES ACROSS
WALKER AND CHATTOOGA COUNTIES...INCLUDING AREAS AROUND TRION.
ADDITIONALLY...COUNTRY ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS
AND STREAMS ARE SUBJECT TO MINOR FLOODING.

&&

LAT...LON 3463 8524 3452 8519 3447 8548 3456 8549
TIME...MOT...LOC 1814Z 257DEG 9KT 3453 8538

Special weather statement, Aug 11, 2:59 PM EDT, 50 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
259 PM EDT SUN AUG 11 2013

GAZ015-016-111930-
259 PM EDT SUN AUG 11 2013

...SIGNIFICANT WEATHER ADVISORY FOR HEAVY RAIN IN WHITE AND LUMPKIN
COUNTIES UNTIL 330 PM EDT...

AT 257 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS FROM 5 MILES SOUTHEAST OF SAUTEE TO TURNERS
CORNER...MOVING EAST AT 5 MPH.

RUNOFF FROM THESE STORMS WILL CAUSE MINOR FLOODING OF SMALL CREEKS
AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES ACROSS
WHITE AND LUMPKIN COUNTIES...INCLUDING AREAS AROUND LOW GAP
SHELTER...WHITLEY GAP SHELTER...SMITHGALL WOODS CONSERVATION AREA...
UNICOI STATE PARK...ANNA RUBY FALLS...ROBERTSTOWN...HELEN...SAUTEE...
TURNERS CORNER...QUALATCHEE LAKE...CAMP COLEMAN LAKE AND CLEVELAND.
ADDITIONALLY...COUNTRY ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS
AND STREAMS ARE SUBJECT TO MINOR FLOODING.

&&

LAT...LON 3476 8363 3473 8362 3471 8363 3468 8363
      3466 8365 3463 8363 3459 8363 3459 8393
      3473 8391 3473 8383 3478 8382
TIME...MOT...LOC 1859Z 288DEG 3KT 3462 8362 3465 8373
          3466 8390

Special weather statement, Aug 11, 3:04 PM EDT, 45 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
304 PM EDT SUN AUG 11 2013

GAZ002-011-111945-
304 PM EDT SUN AUG 11 2013

...SIGNIFICANT WEATHER ADVISORY FOR HEAVY RAIN IN WALKER AND
CHATTOOGA COUNTIES UNTIL 345 PM EDT...

AT 301 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS OVER NORTHWEST CHATTOOGA COUNTY THAT ARE NEARLY
STATIONARY.

RUNOFF FROM THESE STORMS WILL CAUSE MINOR FLOODING OF SMALL CREEKS
AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES ACROSS
WALKER AND CHATTOOGA COUNTIES...INCLUDING AREAS AROUND MENLO...
CLOUDLAND...TRION AND SUMMERVILLE. ADDITIONALLY...COUNTRY ROADS AND
FARMLANDS ALONG THE BANKS OF CREEKS AND STREAMS ARE SUBJECT TO MINOR
FLOODING.

&&

LAT...LON 3456 8552 3462 8529 3451 8526 3442 8549
TIME...MOT...LOC 1903Z 323DEG 4KT 3449 8546

Special weather statement, Aug 11, 3:30 PM EDT, 19 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
330 PM EDT SUN AUG 11 2013

GAZ015-016-112000-
330 PM EDT SUN AUG 11 2013

...SIGNIFICANT WEATHER ADVISORY FOR HEAVY RAIN IN WHITE AND LUMPKIN
COUNTIES UNTIL 400 PM EDT...

AT 327 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THUNDERSTORMS OVER WESTERN LUMPKIN AND CENTRAL WHITE COUNTIES THAT
WERE NEARLY STATIONARY.

RUNOFF FROM THESE STORMS WILL CAUSE MINOR FLOODING OF SMALL CREEKS
AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES ACROSS
WHITE AND LUMPKIN COUNTIES...INCLUDING AREAS AROUND WHITLEY GAP
SHELTER...QUALATCHEE LAKE...SMITHGALL WOODS CONSERVATION AREA...CAMP
COLEMAN LAKE...UNICOI STATE PARK...ROBERTSTOWN...HELEN...TURNERS
CORNER...SAUTEE AND CLEVELAND. ADDITIONALLY...COUNTRY ROADS AND
FARMLANDS ALONG THE BANKS OF CREEKS AND STREAMS ARE SUBJECT TO MINOR
FLOODING.

&&

LAT...LON 3473 8362 3468 8363 3466 8365 3463 8363
      3459 8364 3457 8393 3470 8392 3476 8363
TIME...MOT...LOC 1929Z 323DEG 4KT 3464 8376

Special weather statement, Aug 11, 3:49 PM EDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
349 PM EDT SUN AUG 11 2013

GAZ011-112030-
349 PM EDT SUN AUG 11 2013

...SIGNIFICANT WEATHER ADVISORY FOR HEAVY RAIN IN CHATTOOGA COUNTY
UNTIL 430 PM EDT...

AT 344 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THUNDERSTORMS OVER WESTERN CHATTOOGA COUNTY THAT WERE NEARLY
STATIONARY.

RUNOFF FROM THESE STORMS WILL CAUSE MINOR FLOODING OF SMALL CREEKS
AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES ACROSS
CHATTOOGA COUNTY...INCLUDING AREAS AROUND MENLO...CLOUDLAND...
BERRYTON AND SUMMERVILLE. ADDITIONALLY...COUNTRY ROADS AND FARMLANDS
ALONG THE BANKS OF CREEKS AND STREAMS ARE SUBJECT TO MINOR FLOODING.

&&

LAT...LON 3458 8537 3448 8532 3437 8548 3439 8549
      3453 8552 3457 8553
TIME...MOT...LOC 1949Z 265DEG 12KT 3447 8547

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 11, 12:31 PM EDT	Special Weather Statement	FFC	Walker	29 min
Aug 11, 1:05 PM EDT	Special Weather Statement	FFC	Walker	25 min
Aug 11, 1:31 PM EDT	Special Weather Statement	FFC	Chattooga	44 min
Aug 11, 2:14 PM EDT	Special Weather Statement	FFC	Chattooga	46 min
Aug 11, 2:59 PM EDT	Special Weather Statement	FFC	White	31 min
Aug 11, 3:04 PM EDT	Special Weather Statement	FFC	Chattooga	41 min
Aug 11, 3:30 PM EDT	Special Weather Statement	FFC	White	30 min
Aug 11, 3:57 PM EDT	Flash Flood Warning	FFC	Lumpkin, White	6 hr

Nearby

Special Weather Statements in Georgia, 2013 Every special weather statement in 2013

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.