Alert archive / Georgia / Special Weather Statements in 2012

Special Weather Statement, NWS Atlanta, GA

May 14, 2012Montgomery County, Wheeler County, Georgia

NWS Atlanta, GA issued this special weather statement at May 14, 2012, 3:10 PM EDT for Montgomery County, Wheeler County, Georgia. It was in force for 35 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 14, 2012, 3:10 PM EDT (19:10 UTC)
Expired: May 14, 2012, 3:45 PM EDT
In force: 35 min
Issued by: NWS Atlanta, GA

Counties Montgomery County, GA, Wheeler County, GA

The radar

The Robins AFB radar (KJGX), 98 km from the middle of the area, began a volume at 19:12 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

Jacksonville, FL (KJAX), launched 12:00Z, 7.2 hours before the alert went out and 194 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: 909 J/kg
Mixed-layer CIN: -14 J/kg
Mixed-layer LCL: 693 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: 28 m²/s²
0-3 km storm-relative helicity: 48 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.4

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 14, 1:53 PM EDT, 1 hour 17 minutes earlier.

Area forecast discussion, May 14, 1:53 PM EDT, 1 hour 17 minutes before

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Hazardous weather outlook, May 14, 11:47 AM EDT, 3 hours 23 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1147 AM EDT MON MAY 14 2012

GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086-
089>098-102>113-151600-
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-
1147 AM EDT MON MAY 14 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH AND CENTRAL GEORGIA.

.DAY ONE...THIS AFTERNOON AND TONIGHT...
SCATTERED THUNDERSTORMS ARE POSSIBLE THROUGH TONIGHT.

.SYNOPSIS...
A LOW PRESSURE SYSTEM CENTERED OVER NORTH GEORGIA WILL DRIFT
NORTHEAST AND CONTINUE TO SPREAD SHOWERS AND SCATTERED
THUNDERSTORMS ACROSS NORTH AND CENTRAL GEORGIA INTO TONIGHT.

.PRIMARY HAZARDS...
THE PRIMARY HAZARDS ASSOCIATED WITH THE THUNDERSTORMS WILL BE
GUSTY WINDS...MODERATE TO HEAVY RAIN AND OCCASIONAL LIGHTNING.
WHILE THUNDERSTORMS WILL BE POSSIBLE AT ANY TIME...THE BEST CHANCE
WILL BE THIS AFTERNOON AND EVENING.

.DISCUSSION...
SHOWERS AND SCATTERED THUNDERSTORMS WILL ACCOMPANY A LOW PRESSURE
SYSTEM AS IT DRIFTS NORTHEAST FROM NORTH GEORGIA THIS AFTERNOON. WITH
AFTERNOON HEATING...CAPES VALUES ARE EXPECTED TO INCREASE INTO THE
1000 TO 2000 J/KG RANGE. THIS MAY BE ENOUGH TO PRODUCE ISOLATED
STRONG THUNDERSTORMS THIS AFTERNOON. THE BEST LOCATION FOR
THUNDERSTORM DEVELOPMENT WILL BE EAST OF A LINE FROM DALTON TO
ATLANTA TO CORDELE.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY...
THERE IS A CHANCE FOR THUNDERSTORMS TUESDAY AND WEDNESDAY. NO
HAZARDOUS WEATHER IS ANTICIPATED THURSDAY THROUGH SUNDAY AT THIS
TIME.

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

In the hours before

Special weather statement, May 14, 3:10 PM EDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
310 PM EDT MON MAY 14 2012

GAZ110>112-141945-
310 PM EDT MON MAY 14 2012

...SIGNIFICANT WEATHER ADVISORY FOR PENNY SIZED HAIL IN WHEELER...
TELFAIR AND MONTGOMERY COUNTIES UNTIL 345 PM EDT...

AT 305 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM OVER TOWNS...MOVING NORTHEAST AT 20 MPH.

THIS STORM HAS THE POTENTIAL TO PRODUCE PENNY SIZED HAIL...FREQUENT
CLOUD TO GROUND LIGHTNING AND WIND GUSTS TO 35 MPH AS IT MOVES ACROSS
WHEELER...TELFAIR AND MONTGOMERY COUNTIES THROUGH 345 PM EDT. SOME
LOCATIONS IN THE PATH OF THIS STORM INCLUDE TOWNS...SCOTLAND...SPRING
HILL...JORDAN...GLENWOOD...UVALDA...ALSTON...AILEY AND MOUNT VERNON.
HEAVY DOWNPOURS WILL CAUSE PONDING OF WATER ON ROADWAYS.

&&

LAT...LON 3191 8279 3207 8289 3226 8253 3213 8245
      3213 8246 3204 8247 3203 8248
TIME...MOT...LOC 1910Z 242DEG 19KT 3203 8275

The office that day

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

Issued	Product	Office	Counties	Lasted
May 13, 10:08 PM EDT	Special Weather Statement	FFC	Stewart	37 min
May 14, 4:34 PM EDT	Special Weather Statement	FFC	Towns	26 min
May 14, 4:42 PM EDT	Special Weather Statement	FFC	Emanuel	48 min
May 14, 4:53 PM EDT	Severe Thunderstorm Warning	FFC	Emanuel	37 min
May 14, 5:27 PM EDT	Special Weather Statement	FFC	White	18 min

Nearby

Special Weather Statements in Georgia, 2012 Every special weather statement in 2012

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.