Alert archive / Georgia / Special Weather Statements in 2017

Special Weather Statement, NWS Atlanta, GA

May 1, 20174 counties in Georgia

NWS Atlanta, GA issued this special weather statement at May 1, 2017, 12:40 PM EDT for 4 counties in Georgia. It was in force for 50 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 1, 2017, 12:40 PM EDT (16:40 UTC)
Expired: May 1, 2017, 1:30 PM EDT
In force: 50 min
Issued by: NWS Atlanta, GA
Wind: 50

Counties Greene County, GA, Jones County, GA, Morgan County, GA, Putnam County, GA

The radar

The Robins AFB radar (KJGX), 63 km from the middle of the area, began a volume at 16:43 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, 4.7 hours before the alert went out and 98 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: 118 J/kg
Mixed-layer CIN: -14 J/kg
Mixed-layer LCL: 715 m above ground
0-6 km bulk shear: 60 kt
0-1 km storm-relative helicity: 300 m²/s²
0-3 km storm-relative helicity: 336 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 2.3

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 1, 11:16 AM EDT, 1 hour 24 minutes earlier.

Area forecast discussion, May 1, 11:16 AM EDT, 1 hour 24 minutes before

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Hazardous weather outlook, May 1, 5:17 AM EDT, 7 hours 23 minutes before

Hazardous Weather Outlook
National Weather Service Peachtree City GA
517 AM EDT Mon May 1 2017

GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086-
089>098-102>113-021200-
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-
517 AM EDT Mon May 1 2017

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

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

A line of showers and thunderstorms, associated with a potent
weather system, is expected to impact portions North and Central
Georgia today. Isolated to scattered severe thunderstorms are
possible within this line. The primary mode of severe weather will
be damaging wind gusts up to 60 MPH. Isolated brief tornadoes
cannot be ruled out.

A Wind Advisory is in effect for the higher terrain of north
Georgia through 4 PM.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday...

Another potent weather system is expected to impact the region
Wednesday Night through Thursday. This system will bring another
round of thunderstorms to the area.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed through tonight.

In the hours before

Special weather statement, May 1, 11:08 AM EDT, 1 hour 32 minutes before

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Special weather statement, May 1, 11:53 AM EDT, 47 minutes before

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Local storm report, May 1, 12:11 PM EDT, 29 minutes before

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Local storm report, May 1, 12:32 PM EDT, 8 minutes before

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Local storm report, May 1, 12:34 PM EDT, 6 minutes before

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Special weather statement, May 1, 12:40 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
May 1, 9:31 AM EDT	Special Weather Statement	FFC	Chattahoochee, Harris, Muscogee, Stewart	59 min
May 1, 10:05 AM EDT	Tornado Warning	FFC	Chattahoochee, Muscogee	40 min
May 1, 10:29 AM EDT	Special Weather Statement	FFC	Chattahoochee, Talbot	46 min
May 1, 11:08 AM EDT	Special Weather Statement	FFC	Marion, Taylor, Upson	52 min
May 1, 11:53 AM EDT	Special Weather Statement	FFC	Bibb, Crawford, Jones, Monroe	52 min
May 1, 1:27 PM EDT	Special Weather Statement	FFC	Hancock, Taliaferro	48 min
May 1, 1:58 PM EDT	Special Weather Statement	FFC	Hancock, Taliaferro, Warren, Wilkes	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; radar from the NEXRAD Level II archive.