Alert archive / Georgia / Special Weather Statements in 2011

Special Weather Statement, NWS Atlanta, GA

May 27, 2011Bibb County, Jones County, Georgia

NWS Atlanta, GA issued this special weather statement at May 27, 2011, 1:44 PM EDT for Bibb County, Jones County, Georgia. It was in force for 31 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: May 27, 2011, 1:44 PM EDT (17:44 UTC)
Expired: May 27, 2011, 2:15 PM EDT
In force: 31 min
Issued by: NWS Atlanta, GA

Counties Bibb County, GA, Jones County, GA

The radar

The Robins AFB radar (KJGX), 43 km from the middle of the area, began a volume at 17:46 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, 5.7 hours before the alert went out and 90 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: 778 J/kg
Mixed-layer CIN: -30 J/kg
Mixed-layer LCL: 537 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 62 m²/s²
0-3 km storm-relative helicity: 68 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 2.2

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 May 27, 9:47 AM EDT, 3 hours 57 minutes earlier.

Area forecast discussion, May 27, 9:47 AM EDT, 3 hours 57 minutes before

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Hazardous weather outlook, May 27, 11:33 AM EDT, 2 hours 11 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1133 AM EDT FRI MAY 27 2011

GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086-
089>098-102>113-281545-
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-
1133 AM EDT FRI MAY 27 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH AND CENTRAL GEORGIA.

.DAY ONE...THIS AFTERNOON AND TONIGHT
SCATTERED THUNDERSTORMS ARE EXPECTED OVER MUCH OF NORTH AND
CENTRAL GEORGIA...MAINLY THIS AFTERNOON AND EVENING.

.SYNOPSIS...
HIGH PRESSURE CENTERED OVER THE MID ATLANTIC COAST WILL DRIFT
EASTWARD TODAY AS A SURFACE FRONT PUSHES SLOWLY EASTWARD ACROSS
GEORGIA.

.PRIMARY HAZARDS...
THE PRIMARY HAZARDS WILL BE CLOUD TO GROUND LIGHTNING...GUSTY WINDS
AND POSSIBLY SMALL HAIL.

.DISCUSSION...
LOW PRESSURE WILL CONTINUE TO MOVE THROUGH THE OHIO VALLEY
TODAY...PULLING A DIFFUSE SURFACE FRONT ACROSS GEORGIA. A
MODERATELY UNSTABLE AIR MASS...NUMEROUS OUTFLOW BOUNDARIES AND
SURFACE HEATING SHOULD SUPPORT DEVELOPMENT OF SCATTERED
THUNDERSTORMS THROUGH TONIGHT. THE BEST DYNAMICS SHOULD REMAIN
NORTH AND EAST OF THE STATE AND THUNDERSTORMS SHOULD REMAIN BELOW
SEVERE LIMITS...ALTHOUGH A FEW COULD BECOME STRONG WITH GUSTY
WINDS AND SMALL HAIL.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY
THERE IS A CHANCE OF THUNDERSTORMS ACROSS EAST CENTRAL GEORGIA ON
SATURDAY AND A CHANCE ACROSS NORTH AND CENTRAL GEORGIA TUESDAY
THROUGH THURSDAY.

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

In the hours before

Special weather statement, May 27, 12:28 PM EDT, 1 hour 16 minutes before

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Local storm report, May 27, 12:29 PM EDT, 1 hour 15 minutes before

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Special weather statement, May 27, 1:01 PM EDT, 43 minutes before

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Local storm report, May 27, 1:10 PM EDT, 34 minutes before

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Special weather statement, May 27, 1:16 PM EDT, 28 minutes before

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Special weather statement, May 27, 1:44 PM EDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
144 PM EDT FRI MAY 27 2011

GAZ072-082-271815-
144 PM EDT FRI MAY 27 2011

...SIGNIFICANT WEATHER ADVISORY FOR DIME SIZED HAIL AND 40 MPH WINDS
IN JONES AND BIBB COUNTIES UNTIL 215 PM EDT...

AT 141 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS AROUND CLINTON...MOVING NORTHEAST AT 25 MPH.

THESE STORMS HAVE THE POTENTIAL TO PRODUCE DIME SIZED HAIL...FREQUENT
CLOUD TO GROUND LIGHTNING AND WIND GUSTS TO 40 MPH AS THEY MOVE
ACROSS JONES AND BIBB COUNTIES THROUGH 215 PM EDT. SOME LOCATIONS IN
THE PATH OF THESE STORMS INCLUDE WESLEYAN...ARKWRIGHT...CROSS KEYS...
PAYNE CITY...MACON...POSTELL...GRISWOLDVILLE...MOUNTAIN SPRINGS...
CLINTON...GREENBERRY CROSSROADS...JAMES...WAYSIDE...GRAY AND BRADLEY.
BRIEF HEAVY DOWNPOURS WILL CAUSE PONDING OF WATER ON ROADWAYS.

SIGNIFICANT WEATHER ADVISORIES ARE ISSUED FOR WINDS UP TO 50 MPH...
HAIL LESS THAN THE SIZE OF QUARTERS...OR SIGNIFICANT CLOUD-TO-GROUND
LIGHTNING.

&&

LAT...LON 3285 8381 3294 8374 3295 8373 3296 8370
      3297 8372 3304 8367 3317 8350 3293 8338
      3277 8370
TIME...MOT...LOC 1744Z 230DEG 22KT 3301 8363

The office that day

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

Issued	Product	Office	Counties	Lasted
May 26, 9:37 PM EDT	Special Weather Statement	FFC	Jefferson, Johnson	38 min
May 26, 9:39 PM EDT	Severe Thunderstorm Warning	FFC	Emanuel, Montgomery, Toombs, Treutlen	51 min
May 26, 9:49 PM EDT	Special Weather Statement	FFC	Emanuel	26 min
May 26, 10:04 PM EDT	Severe Thunderstorm Warning	FFC	Emanuel, Jefferson	41 min
May 27, 12:53 AM EDT	Special Weather Statement	FFC	Fayette	22 min
May 27, 1:37 AM EDT	Special Weather Statement	FFC	Washington	38 min
May 27, 2:13 AM EDT	Special Weather Statement	FFC	Johnson	32 min
May 27, 2:17 AM EDT	Special Weather Statement	FFC	Coweta	43 min
May 27, 2:26 AM EDT	Special Weather Statement	FFC	Coweta	34 min
May 27, 2:35 AM EDT	Special Weather Statement	FFC	Jefferson	40 min
May 27, 2:50 AM EDT	Special Weather Statement	FFC	DeKalb, Fulton	2 hr
May 27, 2:55 AM EDT	Special Weather Statement	FFC	Coweta, Fayette	50 min
May 27, 4:49 AM EDT	Flash Flood Warning	FFC	DeKalb, Fulton	90 min
May 27, 10:09 AM EDT	Special Weather Statement	FFC	Jefferson	36 min
May 27, 11:32 AM EDT	Special Weather Statement	FFC	Telfair	28 min
May 27, 12:28 PM EDT	Special Weather Statement	FFC	Taliaferro	32 min
May 27, 1:01 PM EDT	Special Weather Statement	FFC	Wilkes	29 min
May 27, 1:16 PM EDT	Special Weather Statement	FFC	Taliaferro, Wilkes	59 min
May 27, 2:00 PM EDT	Special Weather Statement	FFC	Taliaferro	30 min
May 27, 2:08 PM EDT	Severe Thunderstorm Warning	FFC	Hancock, Taliaferro, Warren, Wilkes	52 min
May 27, 2:21 PM EDT	Special Weather Statement	FFC	Baldwin	24 min
May 27, 2:59 PM EDT	Special Weather Statement	FFC	Glascock, Hancock, Warren	46 min
May 27, 3:44 PM EDT	Special Weather Statement	FFC	Glascock, Hancock, Taliaferro, Warren	46 min
May 27, 4:02 PM EDT	Special Weather Statement	FFC	Wilkinson	28 min
May 27, 4:32 PM EDT	Special Weather Statement	FFC	Wilkinson	43 min
May 27, 4:38 PM EDT	Severe Thunderstorm Warning	FFC	Laurens, Wilkinson	52 min
May 27, 5:09 PM EDT	Special Weather Statement	FFC	Emanuel	21 min
May 27, 5:27 PM EDT	Special Weather Statement	FFC	Johnson	48 min
May 27, 5:29 PM EDT	Severe Thunderstorm Warning	FFC	Laurens	46 min
May 27, 5:38 PM EDT	Severe Thunderstorm Warning	FFC	Jefferson, Johnson, Washington	33 min
May 27, 5:51 PM EDT	Special Weather Statement	FFC	Telfair	39 min
May 27, 6:14 PM EDT	Special Weather Statement	FFC	Emanuel	46 min
May 27, 6:25 PM EDT	Severe Thunderstorm Warning	FFC	Laurens, Treutlen	50 min
May 27, 6:56 PM EDT	Special Weather Statement	FFC	Montgomery, Toombs	49 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.