Alert archive / Georgia / Special Weather Statements in 2013

Special Weather Statement, NWS Atlanta, GA

April 19, 2013Johnson County, Laurens County, Georgia

NWS Atlanta, GA issued this special weather statement at Apr 19, 2013, 3:06 PM EDT for Johnson County, Laurens County, Georgia. It was in force for 24 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: Apr 19, 2013, 3:06 PM EDT (19:06 UTC)
Expired: Apr 19, 2013, 3:30 PM EDT
In force: 24 min
Issued by: NWS Atlanta, GA

Counties Johnson County, GA, Laurens County, GA

The radar

The Robins AFB radar (KJGX), 63 km from the middle of the area, began a volume at 19:06 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, 7.1 hours before the alert went out and 191 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: 292 J/kg
Mixed-layer CIN: -15 J/kg
Mixed-layer LCL: 572 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 252 m²/s²
0-3 km storm-relative helicity: 286 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 2.7

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 Apr 19, 2:19 PM EDT, 47 minutes earlier.

Area forecast discussion, Apr 19, 2:19 PM EDT, 47 minutes before

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Hazardous weather outlook, Apr 19, 11:52 AM EDT, 3 hours 14 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1152 AM EDT FRI APR 19 2013

GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086-
089>098-102>113-201600-
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-
1152 AM EDT FRI APR 19 2013

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

.DAY ONE...THIS AFTERNOON AND TONIGHT...

WIDESPREAD SHOWERS AND THUNDERSTORMS WILL CONTINUE TO MOVE ACROSS
THE REGION TODAY...ASSOCIATED WITH A COLD FRONTAL PASSAGE. THE
BEST CHANCE FOR THUNDERSTORMS WILL BE MAINLY SOUTH AND EAST OF
ATLANTA ACROSS CENTRAL GEORGIA WHERE THE MORE UNSTABLE AIR EXISTS
AHEAD OF THE FRONT. WITH STRONG LOW LEVEL SHEAR NEAR THE FRONT
EDGE OF THE SYSTEM...SOME STORMS COULD BE STRONG AND A FEW
ISOLATED SEVERE WITH THE MOST LIKELY HAZARDS BEING STRONG GUSTY
WINDS... SMALL HAIL...LIGHTNING AND HEAVY RAIN. A BRIEF ISOLATED
TORNADO WOULD NOT BE OUT OF THE QUESTION AS WELL.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY...

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. SPOTTERS SHOULD
REMAIN ALERT IN CASE CONDITIONS CHANGE.

In the hours before

Special weather statement, Apr 19, 2:00 PM EDT, 1 hour 6 minutes before

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Special weather statement, Apr 19, 2:24 PM EDT, 42 minutes before

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Special weather statement, Apr 19, 2:31 PM EDT, 35 minutes before

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Local storm report, Apr 19, 2:34 PM EDT, 32 minutes before

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Special weather statement, Apr 19, 2:56 PM EDT, 10 minutes before

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Special weather statement, Apr 19, 3:06 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
Apr 19, 4:33 AM EDT	Special Weather Statement	FFC	Dade, Walker	42 min
Apr 19, 5:19 AM EDT	Special Weather Statement	FFC	Walker	26 min
Apr 19, 5:43 AM EDT	Special Weather Statement	FFC	Chattooga, Walker	32 min
Apr 19, 6:05 AM EDT	Severe Thunderstorm Warning	FFC	Chattooga, Floyd	40 min
Apr 19, 6:14 AM EDT	Special Weather Statement	FFC	Whitfield	31 min
Apr 19, 6:27 AM EDT	Special Weather Statement	FFC	Floyd	33 min
Apr 19, 6:47 AM EDT	Special Weather Statement	FFC	Murray	28 min
Apr 19, 7:22 AM EDT	Special Weather Statement	FFC	Murray	23 min
Apr 19, 11:21 AM EDT	Special Weather Statement	FFC	Chattahoochee, Muscogee	24 min
Apr 19, 11:49 AM EDT	Special Weather Statement	FFC	Talbot	26 min
Apr 19, 12:13 PM EDT	Special Weather Statement	FFC	Upson	32 min
Apr 19, 12:29 PM EDT	Special Weather Statement	FFC	Webster	31 min
Apr 19, 12:40 PM EDT	Special Weather Statement	FFC	Lamar, Monroe	35 min
Apr 19, 1:00 PM EDT	Special Weather Statement	FFC	Sumter	30 min
Apr 19, 1:02 PM EDT	Special Weather Statement	FFC	Morgan, Newton	28 min
Apr 19, 1:10 PM EDT	Severe Thunderstorm Warning	FFC	Jasper, Morgan, Newton, Walton	35 min
Apr 19, 1:16 PM EDT	Special Weather Statement	FFC	Bibb, Jasper, Jones	29 min
Apr 19, 1:21 PM EDT	Tornado Warning	FFC	Morgan, Walton	24 min
Apr 19, 1:33 PM EDT	Severe Thunderstorm Warning	FFC	Clarke, Greene, Madison, Oconee, Oglethorpe, Wilkes	42 min
Apr 19, 1:36 PM EDT	Severe Thunderstorm Warning	FFC	Houston, Peach, Twiggs	39 min
Apr 19, 2:00 PM EDT	Special Weather Statement	FFC	Baldwin, Twiggs	30 min
Apr 19, 2:24 PM EDT	Special Weather Statement	FFC	Crisp, Pulaski	36 min
Apr 19, 2:31 PM EDT	Special Weather Statement	FFC	Wilkinson	44 min
Apr 19, 2:56 PM EDT	Special Weather Statement	FFC	Washington	34 min
Apr 19, 3:18 PM EDT	Frost Advisory	FFC	Bartow, Carroll, Catoosa, Chattooga, Cherokee, Coweta and 20 more	17 hr
Apr 19, 3:22 PM EDT	Special Weather Statement	FFC	Glascock, Jefferson	38 min

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.