Alert archive / Georgia / Special Weather Statements in 2019

Special Weather Statement, NWS Atlanta, GA

December 17, 2019Coweta County, Meriwether County, Georgia

NWS Atlanta, GA issued this special weather statement at Dec 17, 2019, 1:41 AM EST for Coweta County, Meriwether County, Georgia. It was in force for 34 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: Dec 17, 2019, 1:41 AM EST (06:41 UTC)
Expired: Dec 17, 2019, 2:15 AM EST
In force: 34 min
Issued by: NWS Atlanta, GA
Wind: 40

Counties Coweta County, GA, Meriwether County, GA

The radar

The Atlanta radar (KFFC), 17 km from the middle of the area, began a volume at 06:45 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 00:00Z, 6.7 hours before the alert went out and 19 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: 15 J/kg
Mixed-layer CIN: -120 J/kg
Mixed-layer LCL: 864 m above ground
0-6 km bulk shear: 61 kt
0-1 km storm-relative helicity: 272 m²/s²
0-3 km storm-relative helicity: 353 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 Dec 16, 9:06 PM EST, 4 hours 35 minutes earlier.

Area forecast discussion, Dec 16, 9:06 PM EST, 4 hours 35 minutes before

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Hazardous weather outlook, Dec 16, 10:37 PM EST, 3 hours 4 minutes before

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In the hours before

Special weather statement, Dec 16, 9:34 PM EST, 4 hours 7 minutes before

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Special weather statement, Dec 16, 11:14 PM EST, 2 hours 27 minutes before

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Special weather statement, Dec 16, 11:33 PM EST, 2 hours 8 minutes before

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Special weather statement, Dec 17, 12:40 AM EST, 1 hour 1 minute before

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Special weather statement, Dec 17, 12:50 AM EST, 51 minutes before

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Special weather statement, Dec 17, 1:41 AM EST, 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
Dec 16, 7:56 PM EST	Special Weather Statement	FFC	Dade	49 min
Dec 16, 8:04 PM EST	Severe Thunderstorm Warning	FFC	Dade, Walker	26 min
Dec 16, 8:20 PM EST	Special Weather Statement	FFC	Walker	25 min
Dec 16, 8:29 PM EST	Special Weather Statement	FFC	Catoosa, Whitfield	31 min
Dec 16, 9:00 PM EST	Special Weather Statement	FFC	Whitfield	30 min
Dec 16, 9:25 PM EST	Special Weather Statement	FFC	Murray	35 min
Dec 16, 9:34 PM EST	Special Weather Statement	FFC	Fannin	41 min
Dec 16, 11:14 PM EST	Special Weather Statement	FFC	Fannin	31 min
Dec 16, 11:33 PM EST	Special Weather Statement	FFC	Chattooga	27 min
Dec 17, 12:40 AM EST	Special Weather Statement	FFC	Chattooga, Floyd, Gilmer, Gordon	65 min
Dec 17, 12:50 AM EST	Special Weather Statement	FFC	Heard, Troup	55 min
Dec 17, 2:04 AM EST	Special Weather Statement	FFC	Clayton, Henry	26 min
Dec 17, 2:28 AM EST	Special Weather Statement	FFC	Newton, Walton	32 min
Dec 17, 2:30 AM EST	Special Weather Statement	FFC	Harris	30 min
Dec 17, 3:00 AM EST	Special Weather Statement	FFC	Talbot, Upson	30 min
Dec 17, 3:04 AM EST	Special Weather Statement	FFC	Greene, Morgan, Oconee, Oglethorpe	26 min
Dec 17, 3:25 AM EST	Special Weather Statement	FFC	Oglethorpe, Wilkes	35 min
Dec 17, 7:12 AM EST	River Flood Warning	FFC	Dade	20 hr
Dec 17, 9:12 AM EST	River Flood Warning	FFC	Whitfield	35 hr
Dec 17, 9:50 AM EST	Special Weather Statement	FFC	Sumter	25 min
Dec 17, 10:08 AM EST	Special Weather Statement	FFC	Dooly	37 min
Dec 17, 10:33 AM EST	Special Weather Statement	FFC	Pulaski	27 min
Dec 17, 12:05 PM EST	Tornado Warning Tornado observedConsiderable damage threat	FFC	Telfair	27 min
Dec 17, 12:45 PM EST	Special Weather Statement	FFC	Toombs	45 min

Nearby

Special Weather Statements in Georgia, 2019 Every special weather statement in 2019

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.