Alert archive / Georgia / Special Weather Statements in 2017

Special Weather Statement, NWS Atlanta, GA

August 10, 2017Meriwether County, Georgia

NWS Atlanta, GA issued this special weather statement at Aug 10, 2017, 9:44 PM EDT for Meriwether County, Georgia. It was in force for 46 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 10, 2017, 9:44 PM EDT (01:44 UTC)
Expired: Aug 10, 2017, 10:30 PM EDT
In force: 46 min
Issued by: NWS Atlanta, GA
Wind: 50

County Meriwether County, GA

The radar

The Atlanta radar (KFFC), 37 km from the middle of the area, began a volume at 01:46 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, 1.7 hours before the alert went out and 39 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: 919 J/kg
Mixed-layer CIN: -6 J/kg
Mixed-layer LCL: 787 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 30 m²/s²
0-3 km storm-relative helicity: 95 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 Aug 10, 9:27 PM EDT, 17 minutes earlier.

Area forecast discussion, Aug 10, 9:27 PM EDT, 17 minutes before

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Hazardous weather outlook, Aug 10, 4:00 AM EDT, 17 hours 44 minutes before

Hazardous Weather Outlook
National Weather Service Peachtree City GA
400 AM EDT Thu Aug 10 2017

GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086-
089>098-102>113-111000-
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-
400 AM EDT Thu Aug 10 2017

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

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

Isolated to scattered thunderstorms are expected. A few strong
storms are possible. The primary hazards will be gusty winds,
frequent lightning and very heavy rainfall. With soils at or
approaching saturation across much of north and central Georgia,
localized flooding is possible.

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

There will be scattered thunderstorms each day, especially during
the afternoon and evening hours. A few storms could be strong with
the main hazards being gusty winds, frequent lightning and locally
heavy rain.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not requested, but spotters are encouraged to
submit reports of severe weather through the web by going to
weather.gov/atlanta.

In the hours before

Special weather statement, Aug 10, 7:32 PM EDT, 2 hours 12 minutes before

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Special weather statement, Aug 10, 7:37 PM EDT, 2 hours 7 minutes before

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Special weather statement, Aug 10, 7:56 PM EDT, 1 hour 48 minutes before

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Special weather statement, Aug 10, 8:23 PM EDT, 1 hour 21 minutes before

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Special weather statement, Aug 10, 8:53 PM EDT, 51 minutes before

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Special weather statement, Aug 10, 9:44 PM EDT, 0 minutes before

Special Weather Statement
National Weather Service Peachtree City GA
944 PM EDT THU AUG 10 2017

GAZ067-110230-
Meriwether GA-
944 PM EDT THU AUG 10 2017

...SIGNIFICANT WEATHER ADVISORY FOR MERIWETHER COUNTY UNTIL 1030 PM
EDT...

At 944 PM EDT...a strong thunderstorm was near Saint Marks, or near
Greenville...moving southeast at 15 mph.

  HAZARD...40 to 50 mph wind and heavy rain.

  IMPACT...Expect minor damage to tree limbs and blowing around of
           light...unsecured objects. Heavy rain may cause temporary
           street flooding especially in poor drainage areas.

Some locations in the path of this storm include
Greenville, Manchester, Woodbury, Luthersville, Warm Springs, Lone
Oak, Gay, Rocky Mount, Saint Marks, Raleigh, Harris City, Imlac and
Wooster.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People outdoors should seek shelter immediately. Motorists should
slow down and be prepared for possible loss of control due to
hydroplaning.

LAT...LON 3322 8483 3322 8471 3309 8451 3308 8453
      3305 8452 3304 8454 3301 8454 3298 8452
      3296 8453 3295 8452 3291 8452 3284 8461
      3285 8466 3309 8486 3312 8486
TIME...MOT...LOC 0144Z 317DEG 13KT 3311 8473

WIND...50MPH

The office that day

Everything else NWS Atlanta, GA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 10, 8:23 PM EDT	Special Weather Statement	FFC	Meriwether, Troup	37 min
Aug 10, 8:29 PM EDT	Flash Flood Warning	FFC	Troup	6 hr
Aug 10, 8:53 PM EDT	Special Weather Statement	FFC	Pike	52 min
Aug 10, 11:30 PM EDT	Flash Flood Warning	FFC	Meriwether	4 hr
Aug 11, 3:44 AM EDT	Flash Flood Watch	FFC	Bartow, Carroll, Catoosa, Chattooga, Cherokee, Clayton and 25 more	11 hr
Aug 11, 1:13 PM EDT	Special Weather Statement	FFC	Clarke, Greene, Madison, Morgan, Oconee, Oglethorpe	32 min
Aug 11, 1:40 PM EDT	Special Weather Statement	FFC	Madison, Oglethorpe	35 min
Aug 11, 2:17 PM EDT	Special Weather Statement	FFC	Taliaferro, Wilkes	28 min
Aug 11, 4:08 PM EDT	Special Weather Statement	FFC	Dodge	37 min
Aug 11, 6:29 PM EDT	Special Weather Statement	FFC	Barrow, Clarke, Greene, Jackson, Oconee, Oglethorpe	31 min
Aug 11, 6:37 PM EDT	River Flood Warning	FFC	Troup	24 hr
Aug 11, 7:10 PM EDT	Special Weather Statement	FFC	Clarke, Madison, Oconee, Oglethorpe, Walton	35 min
Aug 11, 7:51 PM EDT	Areal Flood Warning	FFC	Clarke, Madison, Oconee, Oglethorpe	6 hr

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.