Alert archive / Georgia / Special Weather Statements in 2018

Special Weather Statement, NWS Atlanta, GA

August 7, 2018Walker County, Georgia

NWS Atlanta, GA issued this special weather statement at Aug 7, 2018, 9:16 PM EDT for Walker County, Georgia. It was in force for 29 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 7, 2018, 9:16 PM EDT (01:16 UTC)
Expired
Aug 7, 2018, 9:45 PM EDT
In force
29 min
Issued by
NWS Atlanta, GA
Wind
40

County Walker County, GA

The radar

The Northeast Alabama radar (KHTX), 76 km from the middle of the area, began a volume at 01:17 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

Nashville Metro, TN (KBNA), launched 00:00Z, 1.3 hours before the alert went out and 200 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, Nashville Metro, TN at 00:00Z on 2018-08-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 837 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, Nashville Metro, TN at 00:00Z on 2018-08-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 68 square meters per square second.1939Sfc1 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
837 J/kg
Mixed-layer CIN
-24 J/kg
Mixed-layer LCL
1761 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
68 m²/s²
0-3 km storm-relative helicity
79 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 7, 7:23 PM EDT, 1 hour 53 minutes earlier.

Area forecast discussion, Aug 7, 7:23 PM EDT, 1 hour 53 minutes before
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Hazardous weather outlook, Aug 7, 7:15 PM EDT, 2 hours 1 minute before
Hazardous Weather Outlook
National Weather Service Peachtree City GA
715 PM EDT Tue Aug 7 2018

GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086-
089>098-102>113-082315-
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-
714 PM EDT Tue Aug 7 2018

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

.DAY ONE...Tonight...

The probability for widespread hazardous weather is low.

The potential for isolated showers and thunderstorms will
continue through the overnight hours. Some thunderstorms could be
strong with gusty winds, dangerous lightning and heavy rain.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday...

Scattered showers and thunderstorms are expected each day, with
increasing chances Thursday through Sunday. Widespread severe
weather is not anticipated, however, some storms could produce
strong winds, frequent lightning and heavy rain.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed through tonight.

S$$

In the hours before

Special weather statement, Aug 7, 6:31 PM EDT, 2 hours 45 minutes before
Special Weather Statement
National Weather Service Peachtree City GA
631 PM EDT TUE AUG 7 2018

GAZ076-086-072300-
Jefferson GA-Emanuel GA-
631 PM EDT TUE AUG 7 2018

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN JEFFERSON AND
NORTHEASTERN EMANUEL COUNTIES UNTIL 700 PM EDT...

At 631 PM EDT...a strong thunderstorm was over Wadley, or 10 miles
south of Louisville...moving southeast at 15 mph.

  HAZARD...Up to 40 mph wind...pea sized hail and frequent cloud to
           ground lightning.

  IMPACT...Expect minor damage to tree limbs and blowing around of
           light...unsecured objects.

Some locations in the path of this storm include
Wadley, Summertown, Three Points, Moxley, Canoochee, Blundale and
Colemans Lake.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People outdoors should seek shelter immediately. If you can hear
thunder...you are close enough to be struck by lightning.

LAT...LON 3262 8217 3275 8244 3276 8243 3277 8247
      3280 8250 3296 8242 3293 8228 3284 8232
      3283 8231 3283 8226 3280 8221 3282 8216
      3281 8214 3274 8211
TIME...MOT...LOC 2231Z 293DEG 13KT 3285 8239

HAIL...0.25IN
WIND...40MPH
Special weather statement, Aug 7, 6:58 PM EDT, 2 hours 18 minutes before
Special Weather Statement
National Weather Service Peachtree City GA
658 PM EDT TUE AUG 7 2018

GAZ016-072330-
White GA-
658 PM EDT TUE AUG 7 2018

...SIGNIFICANT WEATHER ADVISORY FOR WHITE COUNTY UNTIL 730 PM EDT...

At 658 PM EDT...a strong thunderstorm was over Sautee, or near
Cleveland. This storm was nearly stationary.

  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
Cleveland, Helen, Unicoi State Park, Whitley Gap Shelter,
Robertstown, Anna Ruby Falls, Leaf, Mossy Creek, Smithgall Woods
Conservation Are, Sautee, Low Gap Shelter and Qualatchee Lake.

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 3476 8363 3473 8362 3472 8364 3469 8364
      3465 8366 3462 8364 3458 8364 3455 8362
      3453 8363 3451 8366 3452 8379 3472 8386
      3473 8383 3478 8383
TIME...MOT...LOC 2258Z 192DEG 4KT 3467 8368

WIND...40MPH
Special weather statement, Aug 7, 7:03 PM EDT, 2 hours 13 minutes before
Special Weather Statement
National Weather Service Peachtree City GA
703 PM EDT TUE AUG 7 2018

GAZ108>110-072330-
Telfair GA-Wilcox GA-Dodge GA-
703 PM EDT TUE AUG 7 2018

...SIGNIFICANT WEATHER ADVISORY FOR WESTERN TELFAIR...WILCOX AND
SOUTHERN DODGE COUNTIES UNTIL 730 PM EDT...

At 702 PM EDT...a line of strong thunderstorms was along a line
extending from Milan to Rochelle...and moving southeast at 10 mph.

  HAZARD...40 to 50 mph wind...up to penny sized hail...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 these storms include
McRae, Abbeville, Helena, Rochelle, Milan, Rhine, Chauncey, Pitts,
Union, Cedar Creek, Antioch Church, Temperance, Browning, China Hill,
Five Points, Achord, Double Run and Owensboro.

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 3181 8309 3181 8314 3182 8314 3182 8315
      3185 8318 3184 8323 3185 8361 3212 8347
      3212 8344 3213 8341 3213 8336 3210 8335
      3213 8331 3210 8290 3207 8288 3179 8305
TIME...MOT...LOC 2302Z 235DEG 7KT 3203 8307 3194 8345

HAIL...0.75IN
WIND...50MPH
Special weather statement, Aug 7, 7:16 PM EDT, 2 hours before
Special Weather Statement
National Weather Service Peachtree City GA
716 PM EDT TUE AUG 7 2018

GAZ086-072345-
Emanuel GA-
716 PM EDT TUE AUG 7 2018

...SIGNIFICANT WEATHER ADVISORY FOR EMANUEL COUNTY UNTIL 745 PM
EDT...

At 716 PM EDT...a line of strong thunderstorms was along a line
extending from near Three Points to Dellwood. These storms were
nearly stationary.

  HAZARD...40 to 50 mph wind...up to penny sized hail...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 these storms include
Swainsboro, Twin City, Stillmore, Garfield, Summertown, Nunez, Modoc,
Canoochee, Blundale, Three Points, Norristown Junction, Dellwood,
Lexsy, Colemans Lake and George L Smith State Park.

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 3255 8206 3256 8208 3252 8215 3248 8218
      3243 8219 3240 8222 3258 8259 3262 8252
      3264 8250 3264 8249 3265 8247 3266 8249
      3268 8250 3271 8247 3283 8228 3280 8221
      3281 8215 3266 8208 3261 8200
TIME...MOT...LOC 2316Z 062DEG 2KT 3279 8219 3267 8240

HAIL...0.75IN
WIND...50MPH
Local storm report, Aug 7, 9:07 PM EDT, 9 minutes before
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Special weather statement, Aug 7, 9:16 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 8, 12:41 PM EDTSpecial Weather StatementFFCFannin34 min
Aug 8, 12:57 PM EDTSpecial Weather StatementFFCTowns18 min
Aug 8, 2:59 PM EDTSpecial Weather StatementFFCCatoosa, Dade, Gordon, Murray, Walker, Whitfield31 min
Aug 8, 3:33 PM EDTSpecial Weather StatementFFCCatoosa, Chattooga, Murray, Walker, Whitfield27 min
Aug 8, 3:39 PM EDTSevere Thunderstorm WarningFFCCatoosa, Murray, Whitfield36 min
Aug 8, 3:43 PM EDTSevere Thunderstorm WarningFFCChattooga, Walker32 min
Aug 8, 4:02 PM EDTSevere Thunderstorm WarningFFCFannin, Gilmer, Murray28 min
Aug 8, 4:16 PM EDTSpecial Weather StatementFFCGordon29 min
Aug 8, 4:33 PM EDTSpecial Weather StatementFFCFannin, Gilmer, Union27 min
Aug 8, 4:50 PM EDTSpecial Weather StatementFFCFloyd, Gordon40 min
Aug 8, 5:00 PM EDTSpecial Weather StatementFFCFannin, Gilmer, Pickens, Towns, Union30 min
Aug 8, 5:31 PM EDTSpecial Weather StatementFFCBartow, Floyd, Gordon, Pickens, Polk29 min
Aug 8, 5:52 PM EDTSpecial Weather StatementFFCForsyth, Hall, Jackson23 min
Aug 8, 6:17 PM EDTSpecial Weather StatementFFCBanks, Forsyth, Hall, Jackson28 min
Aug 8, 6:48 PM EDTSpecial Weather StatementFFCBanks, Barrow, Gwinnett, Hall, Jackson, Madison27 min
Aug 8, 6:56 PM EDTSpecial Weather StatementFFCCarroll, Cobb, Douglas, Fulton, Haralson, Paulding34 min
Aug 8, 7:06 PM EDTSevere Thunderstorm WarningFFCCrawford, Peach24 min
Aug 8, 7:06 PM EDTSevere Thunderstorm WarningFFCBanks, Barrow, Clarke, Jackson, Madison, Oconee24 min
Aug 8, 7:36 PM EDTSpecial Weather StatementFFCCarroll, Douglas24 min
Aug 8, 7:43 PM EDTSpecial Weather StatementFFCCrawford32 min
Aug 8, 7:50 PM EDTSpecial Weather StatementFFCTwiggs25 min
Aug 8, 7:53 PM EDTSevere Thunderstorm WarningFFCCrawford, Peach37 min

Nearby

Special Weather Statements in Georgia, 2018Every special weather statement in 2018

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.