Alert archive / Georgia / Special Weather Statements in 2011

Special Weather Statement, NWS Atlanta, GA

July 11, 2011Gordon County, Georgia

NWS Atlanta, GA issued this special weather statement at Jul 11, 2011, 10:33 PM EDT for Gordon County, Georgia. It was in force for 57 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 11, 2011, 10:33 PM EDT (02:33 UTC)
Expired: Jul 11, 2011, 11:30 PM EDT
In force: 57 min
Issued by: NWS Atlanta, GA

County Gordon County, GA

The radar

The Northeast Alabama radar (KHTX), 115 km from the middle of the area, began a volume at 02:36 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 00:00Z, 2.6 hours before the alert went out and 128 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: 1002 J/kg
Mixed-layer CIN: -56 J/kg
Mixed-layer LCL: 1445 m above ground
0-6 km bulk shear: 11 kt
0-1 km storm-relative helicity: 34 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 Jul 11, 10:00 PM EDT, 33 minutes earlier.

Area forecast discussion, Jul 11, 10:00 PM EDT, 33 minutes before

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Hazardous weather outlook, Jul 11, 6:05 AM EDT, 16 hours 28 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
605 AM EDT MON JUL 11 2011

GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086-
089>098-102>113-121015-
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-
605 AM EDT MON JUL 11 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH AND CENTRAL GEORGIA.

.DAY ONE...TODAY AND TONIGHT...
ISOLATED THUNDERSTORMS ARE EXPECTED ACROSS PORTIONS OF NORTH
GEORGIA. SCATTERED THUNDERSTORMS ARE EXPECTED ACROSS PORTIONS OF
CENTRAL GEORGIA.

.SYNOPSIS...
A STRONG UPPER LEVEL RIDGE WILL REMAIN IN PLACE OVER THE AREA. A
WEAK SURFACE BOUNDARY ACROSS THE STATE WILL SLOWLY DRIFT SOUTH
TODAY...EVENTUALLY DISSIPATING.

.PRIMARY HAZARDS...
THE PRIMARY HAZARDS ASSOCIATED WITH ANY THUNDERSTORM THAT DEVELOPS
WILL BE CLOUD-TO-GROUND LIGHTNING AND GUSTY WINDS. THE BEST
LOCATION FOR THUNDERSTORMS IS SOUTH OF A LINE FROM LAGRANGE TO
WARRENTON.

.DISCUSSION...
MODERATE INSTABILITY WILL DEVELOP AGAIN THIS AFTERNOON WITH CAPES
AROUND 2000. WITH THE WARM AND MOIST AIRMASS IN PLACE...SHOWERS
AND THUNDERSTORMS WILL DEVELOP AGAIN THIS AFTERNOON. WHILE SOME
STRONG THUNDERSTORMS ARE EXPECTED...MOST STORMS SHOULD REMAIN
BELOW SEVERE LIMITS. ADDITIONALLY...BECAUSE OF THE HEAT AND
HUMIDITY...HEAT INDICES WILL CLIMB TO ABOVE 100 DEGREES ACROSS
MOST OF NORTH AND CENTRAL GEORGIA TODAY.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY...
THERE IS A CHANCE OF THUNDERSTORMS EACH DAY.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION IS NOT EXPECTED THROUGH TONIGHT.

In the hours before

Special weather statement, Jul 11, 7:57 PM EDT, 2 hours 36 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
757 PM EDT MON JUL 11 2011

GAZ104-120030-
757 PM EDT MON JUL 11 2011

...SIGNIFICANT WEATHER ADVISORY FOR EXCESSIVE CLOUD-TO-GROUND
LIGHTNING IN SUMTER COUNTY UNTIL 830 PM EDT...

AT 753 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM OVER PLAINS. THE THUNDERSTORM WAS DRIFTING VERY
SLOWLY SOUTHWEST.

EXCESSIVE CLOUD-TO-GROUND LIGHTNING IS OCCURRING WITH THESE
THUNDERSTORMS. MOVE INDOORS IMMEDIATELY! LIGHTNING IS ONE OF NATURES
NUMBER ONE KILLERS. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE
CLOSE ENOUGH TO BE STRUCK BY LIGHTNING. RESIDENTS IN THE AREA SHOULD
REMAIN INDOORS AND AWAY FROM ELECTRICAL APPLIANCES...DOORS...AND
WINDOWS UNTIL THE STORMS HAVE PASSED. LAND-LINE TELEPHONES SHOULD
ONLY BE USED IN AN EMERGENCY.

&&

LAT...LON 3191 8439 3195 8443 3200 8445 3200 8444
      3212 8443 3217 8428 3216 8427 3217 8426
      3191 8417
TIME...MOT...LOC 2357Z 248DEG 1KT 3206 8436

19

Special weather statement, Jul 11, 9:18 PM EDT, 1 hour 15 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
918 PM EDT MON JUL 11 2011

GAZ012-120145-
918 PM EDT MON JUL 11 2011

...SIGNIFICANT WEATHER ADVISORY FOR FREQUENT CLOUD-TO-GROUND
LIGHTNING IN WESTERN GORDON COUNTY UNTIL 945 PM EDT...

AT 914 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM DEVELOPING JUST NORTHWEST OF CALHOUN...DRIFTING
VERY SLOWLY SOUTH AT 5 MPH.

FREQUENT CLOUD-TO-GROUND LIGHTNING IS OCCURRING WITH THESE
THUNDERSTORMS. MOVE INDOORS IMMEDIATELY! LIGHTNING IS ONE OF NATURES
NUMBER ONE KILLERS. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE
CLOSE ENOUGH TO BE STRUCK BY LIGHTNING. RESIDENTS IN THE AREA SHOULD
REMAIN INDOORS AND AWAY FROM ELECTRICAL APPLIANCES...DOORS...AND
WINDOWS UNTIL THE STORMS HAVE PASSED. LAND-LINE TELEPHONES SHOULD
ONLY BE USED IN AN EMERGENCY.

IN ADDITION...WIND GUSTS TO 40 MPH WILL BE POSSIBLE WITH THESE
THUNDERSTORMS. THESE WINDS MAY BLOW DOWN SMALL OR WEAK TREES AND
IMPACT A FEW POWER LINES. LOOSE AND LIGHT WEIGHT OBJECTS MAY BE
BLOWN ABOUT.

&&

LAT...LON 3462 8490 3460 8484 3440 8484 3439 8503
      3440 8503 3441 8511 3443 8509 3446 8511
      3447 8509 3454 8509 3455 8506 3462 8506
      3462 8493 3464 8491
TIME...MOT...LOC 0117Z 171DEG 3KT 3451 8496

19

Special weather statement, Jul 11, 9:48 PM EDT, 45 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
948 PM EDT MON JUL 11 2011

GAZ019-120215-
948 PM EDT MON JUL 11 2011

...SIGNIFICANT WEATHER ADVISORY FOR 40 MPH WIND GUSTS AND FREQUENT
CLOUD-TO-GROUND LIGHTNING IN NORTHERN FLOYD COUNTY UNTIL 1015 PM
EDT...

AT 944 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM IN EXTREME SOUTHWEST GORDON COUNTY...NEARING
EVERETT SPRINGS...MOVING SOUTHWEST AT 15 MPH.

FREQUENT CLOUD-TO-GROUND LIGHTNING IS OCCURRING WITH THESE
THUNDERSTORMS. MOVE INDOORS IMMEDIATELY! LIGHTNING IS ONE OF NATURES
NUMBER ONE KILLERS. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE
CLOSE ENOUGH TO BE STRUCK BY LIGHTNING. RESIDENTS IN THE AREA SHOULD
REMAIN INDOORS AND AWAY FROM ELECTRICAL APPLIANCES...DOORS...AND
WINDOWS UNTIL THE STORMS HAVE PASSED. LAND-LINE TELEPHONES SHOULD
ONLY BE USED IN AN EMERGENCY.

&&

LAT...LON 3443 8518 3448 8516 3455 8507 3453 8509
      3447 8509 3446 8511 3443 8509 3442 8511
      3440 8509 3439 8501 3435 8501 3428 8507
      3441 8524
TIME...MOT...LOC 0146Z 051DEG 12KT 3444 8509

19

Special weather statement, Jul 11, 9:57 PM EDT, 36 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
957 PM EDT MON JUL 11 2011

GAZ012-120230-
957 PM EDT MON JUL 11 2011

...SIGNIFICANT WEATHER ADVISORY FOR HEAVY RAIN AND POSSIBLE BRIEF
MINOR FLOODING IN GORDON COUNTY UNTIL 1030 PM EDT...

AT 952 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM OVER OOSTANAULA...MOVING SOUTHWEST AT 10 MPH.

DOPPLER RADAR ESTIMATES THAT UP TO 2.0 INCHES OF RAIN HAS FALLEN
ACROSS PARTS OF WESTERN GORDON COUNTY...BETWEEN OOSTANAULA AND SUGAR
VALLEY DURING THE LAST 30 TO 45 MINUTES...AND AN ADDITIONAL 1/2 TO 1
INCH OF RAIN IS POSSIBLE THROUGH 1030 PM EDT.

RUNOFF FROM THESE STORMS MAY RESULT IN MINOR FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND
UNDERPASSES IN THIS REGION OF GORDON COUNTY...INCLUDING AREAS AROUND
SUGAR VALLEY AD OOSTANAULA. ADDITIONALLY...COUNTRY ROADS AND
FARMLANDS ALONG THE BANKS OF CREEKS AND STREAMS ARE SUBJECT TO MINOR
FLOODING.

MOTORISTS IN THE AREA SHOULD REDUCE SPEED IN AREAS OF HEAVY RAIN AND
POOR VISIBILITY. DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE
ROAD. THE WATER DEPTH MAY BE TOO GREAT FOR YOU TO PROCEED SAFELY.

&&

LAT...LON 3447 8509 3454 8509 3454 8507 3456 8506
      3458 8501 3450 8492 3439 8502 3440 8503
      3440 8509 3442 8511 3443 8509 3446 8511
TIME...MOT...LOC 0154Z 050DEG 7KT 3451 8502

19

Special weather statement, Jul 11, 9:59 PM EDT, 34 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
959 PM EDT MON JUL 11 2011

GAZ012-120230-
959 PM EDT MON JUL 11 2011

...SIGNIFICANT WEATHER ADVISORY FOR HEAVY RAIN AND POSSIBLE BRIEF
MINOR FLOODING IN WESTERN GORDON COUNTY UNTIL 1030 PM EDT...

AT 952 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM OVER OOSTANAULA...MOVING SOUTHWEST AT 10 MPH.

DOPPLER RADAR ESTIMATES THAT UP TO 2.0 INCHES OF RAIN HAS FALLEN
ACROSS PARTS OF WESTERN GORDON COUNTY...BETWEEN OOSTANAULA AND SUGAR
VALLEY DURING THE LAST 30 TO 45 MINUTES...AND AN ADDITIONAL 1/2 TO 1
INCH OF RAIN IS POSSIBLE THROUGH 1030 PM EDT.

RUNOFF FROM THESE STORMS MAY RESULT IN MINOR FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND
UNDERPASSES IN THIS REGION OF GORDON COUNTY...INCLUDING AREAS AROUND
SUGAR VALLEY AD OOSTANAULA. ADDITIONALLY...COUNTRY ROADS AND
FARMLANDS ALONG THE BANKS OF CREEKS AND STREAMS ARE SUBJECT TO MINOR
FLOODING.

MOTORISTS IN THE AREA SHOULD REDUCE SPEED IN AREAS OF HEAVY RAIN AND
POOR VISIBILITY. DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE
ROAD. THE WATER DEPTH MAY BE TOO GREAT FOR YOU TO PROCEED SAFELY.

&&

LAT...LON 3447 8509 3454 8509 3454 8507 3456 8506
      3458 8501 3450 8492 3439 8502 3440 8503
      3440 8509 3442 8511 3443 8509 3446 8511
TIME...MOT...LOC 0154Z 050DEG 7KT 3451 8502

19

Special weather statement, Jul 11, 10:33 PM EDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 11, 9:18 PM EDT	Special Weather Statement	FFC	Gordon	27 min
Jul 11, 9:22 PM EDT	Severe Thunderstorm Warning	FFC	Gordon	23 min
Jul 11, 9:48 PM EDT	Special Weather Statement	FFC	Floyd	27 min
Jul 11, 9:57 PM EDT	Special Weather Statement	FFC	Gordon	33 min
Jul 11, 9:59 PM EDT	Special Weather Statement	FFC	Gordon	31 min
Jul 12, 8:56 AM EDT	Special Weather Statement	FFC	Bartow	34 min
Jul 12, 11:54 AM EDT	Special Weather Statement	FFC	Haralson	36 min
Jul 12, 1:42 PM EDT	Special Weather Statement	FFC	Douglas	33 min
Jul 12, 1:50 PM EDT	Special Weather Statement	FFC	Rockdale	40 min
Jul 12, 1:55 PM EDT	Severe Thunderstorm Warning	FFC	Dade, Walker	35 min
Jul 12, 2:11 PM EDT	Special Weather Statement	FFC	Rockdale	34 min
Jul 12, 2:30 PM EDT	Special Weather Statement	FFC	Clayton	30 min
Jul 12, 2:44 PM EDT	Special Weather Statement	FFC	Chattooga	31 min
Jul 12, 2:52 PM EDT	Severe Thunderstorm Warning	FFC	Clayton, Henry	23 min
Jul 12, 3:04 PM EDT	Special Weather Statement	FFC	Gwinnett	26 min
Jul 12, 3:08 PM EDT	Heat Advisory	FFC	Baldwin, Banks, Barrow, Bartow, Bibb, Bleckley and 75 more	37 hr
Jul 12, 3:13 PM EDT	Special Weather Statement	FFC	DeKalb	32 min
Jul 12, 3:16 PM EDT	Special Weather Statement	FFC	Fayette	29 min
Jul 12, 3:21 PM EDT	Severe Thunderstorm Warning	FFC	Coweta, Fayette	39 min
Jul 12, 3:32 PM EDT	Severe Thunderstorm Warning	FFC	Fulton	30 min
Jul 12, 3:41 PM EDT	Special Weather Statement	FFC	Gwinnett	49 min
Jul 12, 4:09 PM EDT	Special Weather Statement	FFC	Coweta	36 min
Jul 12, 4:23 PM EDT	Special Weather Statement	FFC	Meriwether	37 min
Jul 12, 4:35 PM EDT	Special Weather Statement	FFC	Meriwether	25 min

Nearby

Special Weather Statements in Georgia, 2011 Every special weather statement in 2011

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.