Alert archive / Georgia / Special Weather Statements in 2017

Special Weather Statement, NWS Atlanta, GA

August 31, 2017Warren County, Georgia

NWS Atlanta, GA issued this special weather statement at Aug 31, 2017, 3:27 PM EDT for Warren County, Georgia. It was in force for 33 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: Aug 31, 2017, 3:27 PM EDT (19:27 UTC)
Expired: Aug 31, 2017, 4:00 PM EDT
In force: 33 min
Issued by: NWS Atlanta, GA
Hail: 0.75 in
Wind: 50

County Warren County, GA

The radar

The Robins AFB radar (KJGX), 105 km from the middle of the area, began a volume at 19:30 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, 7.5 hours before the alert went out and 246 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: 331 J/kg
Mixed-layer CIN: -38 J/kg
Mixed-layer LCL: 812 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 69 m²/s²
0-3 km storm-relative helicity: 110 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 1.7

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 Aug 31, 2:17 PM EDT, 1 hour 10 minutes earlier.

Area forecast discussion, Aug 31, 2:17 PM EDT, 1 hour 10 minutes before

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Hazardous weather outlook, Aug 31, 5:11 AM EDT, 10 hours 16 minutes before

Hazardous Weather Outlook
National Weather Service Peachtree City GA
511 AM EDT Thu Aug 31 2017

GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086-
089>098-102>113-010915-
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-
511 AM EDT Thu Aug 31 2017

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

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

The remnants of Harvey will move north of the area today but
still allow for numerous showers and thunderstorms. There is a
slight chance of severe storms with this activity with isolated
tornadoes being the primary concern. Heavy rain will also be
present with the activity with isolated instances of flash
flooding possible, mainly in the normal poor drainage areas.

Strong wind gusts will be possible as well over portions of NW
Georgia, especially in the higher elevations. Wind gusts to 25 to
30 mph will be possible by this evening and conditions will need
to be monitored for a possible wind advisory.

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

There will be a chance of thunderstorms across the area on Friday
and across mainly central Georgia Saturday  The main hazards will
be occasional lightning and locally heavy rainfall. A cold front
will bring another good chance of showers and thunderstorms to the
area late Tue into Wed.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed through tonight.

In the hours before

Local storm report, Aug 31, 2:24 PM EDT, 1 hour 3 minutes before

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Local storm report, Aug 31, 2:30 PM EDT, 57 minutes before

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Special weather statement, Aug 31, 2:38 PM EDT, 49 minutes before

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Special weather statement, Aug 31, 2:48 PM EDT, 39 minutes before

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Special weather statement, Aug 31, 3:23 PM EDT, 4 minutes before

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Special weather statement, Aug 31, 3:27 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
Aug 31, 12:26 PM EDT	Special Weather Statement	FFC	Schley	34 min
Aug 31, 12:46 PM EDT	Special Weather Statement	FFC	Sumter	29 min
Aug 31, 12:51 PM EDT	Special Weather Statement	FFC	Macon	24 min
Aug 31, 1:02 PM EDT	Severe Thunderstorm Warning	FFC	Macon	28 min
Aug 31, 1:25 PM EDT	Severe Thunderstorm Warning	FFC	Houston, Macon, Peach	50 min
Aug 31, 1:28 PM EDT	Special Weather Statement	FFC	Crisp, Dooly, Pulaski	47 min
Aug 31, 1:43 PM EDT	Special Weather Statement	FFC	Jones	32 min
Aug 31, 1:59 PM EDT	Special Weather Statement	FFC	Twiggs, Wilkinson	46 min
Aug 31, 2:19 PM EDT	Special Weather Statement	FFC	Bleckley, Dodge, Wilcox	26 min
Aug 31, 2:38 PM EDT	Special Weather Statement	FFC	Warren	37 min
Aug 31, 2:48 PM EDT	Special Weather Statement	FFC	Dodge, Laurens, Washington, Wilcox	27 min
Aug 31, 3:23 PM EDT	Special Weather Statement	FFC	Telfair	37 min
Aug 31, 3:38 PM EDT	Wind Advisory	FFC	Bartow, Carroll, Catoosa, Chattooga, Cherokee, Cobb and 18 more	28 hr
Aug 31, 3:53 PM EDT	Special Weather Statement	FFC	Montgomery, Wheeler	37 min
Aug 31, 4:22 PM EDT	Special Weather Statement	FFC	Toombs	23 min
Aug 31, 4:28 PM EDT	Special Weather Statement	FFC	Emanuel	32 min
Aug 31, 4:48 PM EDT	Severe Thunderstorm Warning	FFC	Toombs	16 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.