Alert archive / Georgia / Special Weather Statements in 2017

Special Weather Statement, NWS Atlanta, GA

October 23, 2017Toombs County, Georgia

NWS Atlanta, GA issued this special weather statement at Oct 23, 2017, 4:22 PM EDT for Toombs County, Georgia. It was in force for 23 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: Oct 23, 2017, 4:22 PM EDT (20:22 UTC)
Expired: Oct 23, 2017, 4:45 PM EDT
In force: 23 min
Issued by: NWS Atlanta, GA

County Toombs County, GA

The radar

The Robins AFB radar (KJGX), 115 km from the middle of the area, began a volume at 20:22 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

Charleston AFB, SC (KCHS), launched 12:00Z, 8.4 hours before the alert went out and 226 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: 252 J/kg
Mixed-layer CIN: -21 J/kg
Mixed-layer LCL: 739 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 129 m²/s²
0-3 km storm-relative helicity: 143 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 1.0

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 Oct 23, 3:54 PM EDT, 28 minutes earlier.

Area forecast discussion, Oct 23, 3:54 PM EDT, 28 minutes before

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Hazardous weather outlook, Oct 23, 1:01 PM EDT, 3 hours 21 minutes before

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In the hours before

Special weather statement, Oct 23, 11:42 AM EDT, 4 hours 40 minutes before

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Special weather statement, Oct 23, 11:44 AM EDT, 4 hours 38 minutes before

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Special weather statement, Oct 23, 12:19 PM EDT, 4 hours 3 minutes before

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Special weather statement, Oct 23, 12:45 PM EDT, 3 hours 37 minutes before

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Special weather statement, Oct 23, 1:15 PM EDT, 3 hours 7 minutes before

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Special weather statement, Oct 23, 4:22 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
Oct 23, 2:09 AM EDT	Special Weather Statement	FFC	Bleckley	51 min
Oct 23, 3:40 AM EDT	Special Weather Statement	FFC	Sumter	50 min
Oct 23, 3:49 AM EDT	Special Weather Statement	FFC	Crawford	26 min
Oct 23, 4:10 AM EDT	Wind Advisory	FFC	Fannin, Lumpkin, Towns, Union, White	9 hr
Oct 23, 4:14 AM EDT	Special Weather Statement	FFC	Webster	31 min
Oct 23, 4:24 AM EDT	Special Weather Statement	FFC	Sumter	36 min
Oct 23, 4:58 AM EDT	Special Weather Statement	FFC	Dooly, Macon, Schley, Taylor	32 min
Oct 23, 9:49 AM EDT	Special Weather Statement	FFC	Cobb, Coweta, Douglas, Harris, Meriwether	26 min
Oct 23, 10:13 AM EDT	Special Weather Statement	FFC	Cherokee, Clayton, Cobb, Dawson, Fayette, Fulton and 1 more	32 min
Oct 23, 10:15 AM EDT	Special Weather Statement	FFC	Marion, Talbot	30 min
Oct 23, 10:40 AM EDT	Special Weather Statement	FFC	Marion, Taylor, Upson	35 min
Oct 23, 10:42 AM EDT	Special Weather Statement	FFC	Clayton, Dawson, DeKalb, Forsyth, Spalding	33 min
Oct 23, 11:11 AM EDT	Special Weather Statement	FFC	Crawford, Monroe, Taylor	34 min
Oct 23, 11:13 AM EDT	Special Weather Statement	FFC	Butts, Forsyth, Gwinnett, Hall, Henry, Lumpkin and 3 more	32 min
Oct 23, 11:16 AM EDT	Special Weather Statement	FFC	Union	29 min
Oct 23, 11:40 AM EDT	Special Weather Statement	FFC	Crawford, Macon, Monroe	35 min
Oct 23, 11:42 AM EDT	Special Weather Statement	FFC	Barrow, Butts, Hall, Newton, Walton	33 min
Oct 23, 11:44 AM EDT	Special Weather Statement	FFC	Fannin, Lumpkin, Towns, Union, White	31 min
Oct 23, 12:19 PM EDT	Special Weather Statement	FFC	Banks, Barrow, Clarke, Greene, Jackson, Jasper and 6 more	26 min
Oct 23, 12:33 PM EDT	River Flood Warning	FFC	Fulton, Gwinnett	24 hr
Oct 23, 12:45 PM EDT	Special Weather Statement	FFC	Banks, Clarke, Greene, Jackson, Madison, Morgan and 3 more	30 min
Oct 23, 1:08 PM EDT	River Flood Warning	FFC	Gwinnett	24 hr
Oct 23, 1:15 PM EDT	Special Weather Statement	FFC	Baldwin, Greene, Hancock, Madison, Oglethorpe, Taliaferro and 2 more	45 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.