Alert archive / Georgia / Special Weather Statements in 2017

Special Weather Statement, NWS Atlanta, GA

August 31, 2017Bleckley County, Dodge County, Wilcox County, Georgia

NWS Atlanta, GA issued this special weather statement at Aug 31, 2017, 2:19 PM EDT for Bleckley County, Dodge County, Wilcox County, Georgia. It was in force for 26 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, 2:19 PM EDT (18:19 UTC)
Expired
Aug 31, 2017, 2:45 PM EDT
In force
26 min
Issued by
NWS Atlanta, GA
Wind
40

Counties Bleckley County, GA, Dodge County, GA, Wilcox County, GA

The radar

The Robins AFB radar (KJGX), 65 km from the middle of the area, began a volume at 18:21 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

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 6.3 hours before the alert went out and 211 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-pSkew-T log-p diagram, Tallahassee Rgnl, FL at 12:00Z on 2017-08-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1781 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tallahassee Rgnl, FL at 12:00Z on 2017-08-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 124 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
1781 J/kg
Mixed-layer CIN
-12 J/kg
Mixed-layer LCL
676 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
124 m²/s²
0-3 km storm-relative helicity
159 m²/s²
Significant tornado parameter
1.0
Supercell composite
6.0

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 31, 2:17 PM EDT, 2 minutes earlier.

Area forecast discussion, Aug 31, 2:17 PM EDT, 2 minutes before
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Hazardous weather outlook, Aug 31, 5:11 AM EDT, 9 hours 8 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

Special weather statement, Aug 31, 12:46 PM EDT, 1 hour 33 minutes before
Special Weather Statement
National Weather Service Peachtree City GA
1246 PM EDT THU AUG 31 2017

GAZ104-105-311715-
Dooly GA-Sumter GA-
1246 PM EDT THU AUG 31 2017

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN DOOLY AND SUMTER
COUNTIES UNTIL 115 PM EDT...

At 1246 PM EDT...a strong thunderstorm was near Smithville, or 10
miles south of Americus...moving northeast at 35 mph.

  HAZARD...40 to 50 mph wind...frequent cloud to ground lightning
           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
Americus, Leslie, De Soto, Desoto, Sumter, Lamar, Croxton Crossroads,
New Era, Flint River Wma, Huntington, Pennington, Drayton, Maddox and
Methvins.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People outdoors should seek shelter immediately. If you can hear
thunder...you are close enough to be struck by lightning. Motorists
should slow down and be prepared for possible loss of control due to
hydroplaning.

LAT...LON 3192 8437 3219 8412 3219 8409 3217 8403
      3218 8403 3221 8400 3211 8383 3203 8392
      3203 8396 3200 8395 3191 8405 3192 8434
      3190 8434
TIME...MOT...LOC 1646Z 216DEG 29KT 3193 8420

WIND...50MPH
Special weather statement, Aug 31, 12:51 PM EDT, 1 hour 28 minutes before
Special Weather Statement
National Weather Service Peachtree City GA
1251 PM EDT THU AUG 31 2017

GAZ092-093-104-311715-
Macon GA-Schley GA-Sumter GA-
1251 PM EDT THU AUG 31 2017

...SIGNIFICANT WEATHER ADVISORY FOR MACON...EASTERN SCHLEY AND
NORTHERN SUMTER COUNTIES UNTIL 115 PM EDT...

At 1251 PM EDT...a strong thunderstorm was over Fountainville, or
near Oglethorpe...moving northeast at 30 mph.

  HAZARD...Up to 40 mph wind...frequent cloud to ground lightning
           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
Oglethorpe, Montezuma, Marshallville, Andersonville, Saint Louis,
Andersonville National Historic, Whitewater State Park, Clearview,
Fountainville, Pennington, Winchester and Bartlett.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People outdoors should seek shelter immediately. If you can hear
thunder...you are close enough to be struck by lightning. Motorists
should slow down and be prepared for possible loss of control due to
hydroplaning.

LAT...LON 3227 8426 3251 8403 3250 8403 3250 8402
      3253 8402 3253 8400 3251 8401 3251 8392
      3250 8392 3249 8389 3247 8385 3238 8384
      3238 8386 3232 8385 3214 8411
TIME...MOT...LOC 1651Z 225DEG 27KT 3226 8413

WIND...40MPH
Special weather statement, Aug 31, 1:28 PM EDT, 51 minutes before
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Special weather statement, Aug 31, 1:43 PM EDT, 36 minutes before
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Special weather statement, Aug 31, 1:59 PM EDT, 20 minutes before
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Special weather statement, Aug 31, 2:19 PM EDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Aug 31, 12:26 PM EDTSpecial Weather StatementFFCSchley34 min
Aug 31, 12:46 PM EDTSpecial Weather StatementFFCSumter29 min
Aug 31, 12:51 PM EDTSpecial Weather StatementFFCMacon24 min
Aug 31, 1:02 PM EDTSevere Thunderstorm WarningFFCMacon28 min
Aug 31, 1:25 PM EDTSevere Thunderstorm WarningFFCHouston, Macon, Peach50 min
Aug 31, 1:28 PM EDTSpecial Weather StatementFFCCrisp, Dooly, Pulaski47 min
Aug 31, 1:43 PM EDTSpecial Weather StatementFFCJones32 min
Aug 31, 1:59 PM EDTSpecial Weather StatementFFCTwiggs, Wilkinson46 min
Aug 31, 2:38 PM EDTSpecial Weather StatementFFCWarren37 min
Aug 31, 2:48 PM EDTSpecial Weather StatementFFCDodge, Laurens, Washington, Wilcox27 min
Aug 31, 3:23 PM EDTSpecial Weather StatementFFCTelfair37 min
Aug 31, 3:27 PM EDTSpecial Weather StatementFFCWarren33 min
Aug 31, 3:38 PM EDTWind AdvisoryFFCBartow, Carroll, Catoosa, Chattooga, Cherokee, Cobb and 18 more28 hr
Aug 31, 3:53 PM EDTSpecial Weather StatementFFCMontgomery, Wheeler37 min
Aug 31, 4:22 PM EDTSpecial Weather StatementFFCToombs23 min
Aug 31, 4:28 PM EDTSpecial Weather StatementFFCEmanuel32 min
Aug 31, 4:48 PM EDTSevere Thunderstorm WarningFFCToombs16 min

Nearby

Special Weather Statements in Georgia, 2017Every 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.