Alert archive / Georgia / Special Weather Statements in 2017

Special Weather Statement, NWS Atlanta, GA

May 4, 201710 counties in Georgia

NWS Atlanta, GA issued this special weather statement at May 4, 2017, 11:31 AM EDT for 10 counties in Georgia. It was in force for 59 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 4, 2017, 11:31 AM EDT (15:31 UTC)
Expired: May 4, 2017, 12:30 PM EDT
In force: 59 min
Issued by: NWS Atlanta, GA
Wind: 50

Counties Butts County, GA, Clayton County, GA, Cobb County, GA, DeKalb County, GA, Fayette County, GA, Fulton County, GA, Gwinnett County, GA, Henry County, GA, Rockdale County, GA, Spalding County, GA

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 3.5 hours before the alert went out and 54 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 568 m above ground
0-6 km bulk shear: 54 kt
0-1 km storm-relative helicity: 116 m²/s²
0-3 km storm-relative helicity: 198 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

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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 4, 10:42 AM EDT, 49 minutes earlier.

Area forecast discussion, May 4, 10:42 AM EDT, 49 minutes before

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Hazardous weather outlook, May 4, 4:29 AM EDT, 7 hours 2 minutes before

Hazardous Weather Outlook
National Weather Service Peachtree City GA
429 AM EDT Thu May 4 2017

GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086-
089>098-102>113-050830-
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 Thu May 4 2017

This Hazardous Weather Outlook is for portions of North and Central Georgia.

.DAY ONE...Today and Tonight...

Isolated strong to possibly severe storms are possible today into
this evening across parts of north and central Georgia.

Showers and thunderstorms will continue to increase across Georgia
today. A few storms may become severe over central Georgia this
morning...and area wide this afternoon and evening. The main
threats will be strong gusty winds and frequent lightning.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday...

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected through tonight.

In the hours before

Local storm report, May 4, 10:42 AM EDT, 49 minutes before

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Local storm report, May 4, 10:43 AM EDT, 48 minutes before

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Local storm report, May 4, 10:58 AM EDT, 33 minutes before

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Local storm report, May 4, 10:59 AM EDT, 32 minutes before

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Local storm report, May 4, 11:22 AM EDT, 9 minutes before

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Special weather statement, May 4, 11:31 AM 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
May 4, 8:22 AM EDT	Special Weather Statement	FFC	Bartow, Fannin, Gilmer, Gordon, Pickens, Union	53 min
May 4, 9:04 AM EDT	Special Weather Statement	FFC	Floyd, Haralson, Polk	56 min
May 4, 9:09 AM EDT	Special Weather Statement	FFC	Catoosa, Chattooga, Murray, Walker, Whitfield	66 min
May 4, 9:31 AM EDT	High Wind Warning	FFC	Bartow, Dawson, Fannin, Gilmer, Gordon, Lumpkin and 5 more	2 hr
May 4, 9:31 AM EDT	Wind Advisory	FFC	Bartow, Dawson, Fannin, Gilmer, Gordon, Lumpkin and 5 more	10 hr
May 4, 10:30 AM EDT	Special Weather Statement	FFC	Carroll, Cherokee, Clayton, Cobb, Coweta, Douglas and 4 more	60 min
May 4, 12:50 PM EDT	Special Weather Statement	FFC	Barrow, Butts, DeKalb, Gwinnett, Henry, Jackson and 4 more	55 min
May 4, 7:13 PM EDT	Special Weather Statement	FFC	Harris, Troup	47 min

Nearby

Special Weather Statements in Georgia, 2017 Every special weather statement in 2017

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.