Alert archive / Georgia / Special Weather Statements in 2018
Special Weather Statement, NWS Atlanta, GA
NWS Atlanta, GA issued this special weather statement at Aug 18, 2018, 5:11 PM EDT for Barrow County, Walton County, Georgia. It was in force for 49 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 18, 2018, 5:11 PM EDT (21:11 UTC)
- Expired
- Aug 18, 2018, 6:00 PM EDT
- In force
- 49 min
- Issued by
- NWS Atlanta, GA
- Wind
- 40
Counties Barrow County, GA, Walton County, GA
The radar
The Atlanta radar (KFFC), 94 km from the middle of the area, began a volume at 21:14 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 12:00Z, 9.2 hours before the alert went out and 89 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.
- Mixed-layer CAPE
- 438 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 546 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 88 m²/s²
- 0-3 km storm-relative helicity
- 87 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
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</html>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 18, 2:32 PM EDT, 2 hours 39 minutes earlier.
Area forecast discussion, Aug 18, 2:32 PM EDT, 2 hours 39 minutes before
Area Forecast Discussion National Weather Service Peachtree City GA 232 PM EDT Sat Aug 18 2018 .SHORT TERM /Tonight through Sunday Night/... Scattered to widespread showers and thunderstorms will continue to develop across the area today as an upper trough axis shifts across the area. Continued southwest surface flow has kept a moist airmass in place with PWs remaining near or above two inches for much of the CWA. Given these elevated PWs, showers and thunderstorms will be efficient rainfall producers, and locally heavy rainfall can be expected. While coverage will decrease overnight, at least isolated activity can be expected to linger. While the upper trough axis will depart eastward on Sunday, deep southwest flow will continue at the surface and aloft. Though some slightly drier air may nose into far north Georgia Sunday (PWs around 1.5"), PWs will remain at or above two inches elsewhere. Scattered to widespread showers and thunderstorms will thus again develop by Sunday afternoon. As has been the case, a few thunderstorms could become strong with locally gusty winds and frequent lightning. Highs will remain largely in the 80s given widespread cloud cover and afternoon convection. RW .LONG TERM /Monday through Saturday/... No major changes needed to the extended portion of the forecast at this time. Moist flow off of the Gulf of Mexico will continue ahead of an approaching frontal boundary on Monday. The front should begin to cross the Mississippi River late Monday into early Tuesday. By mid- Tuesday, the front should be crossing the CWFA. This front should continue to slowly push south through the remainder of Tuesday into Wednesday and stall out across southern GA for the remainder of the week into the weekend. Drier air will settle over the area behind this front. NListemaa && .AVIATION... 18Z Update... While patches of MVFR ceilings linger, most ceilings have lifted into the VFR range this afternoon with this general trend expected into the evening. Scattered to numerous showers and thunderstorms will continue to develop this afternoon and evening with coverage becoming more isolated overnight. IFR ceilings are again expected by early Sunday morning. Coverage of showers and thunderstorms will increase by Sunday afternoon. Winds will remain from the SW through the period 5-10kts. //ATL Confidence...18Z Update... High confidence on all elements. RW && .PRELIMINARY POINT TEMPS/POPS... Athens 71 86 71 87 / 60 50 30 60 Atlanta 72 86 72 86 / 60 60 40 60 Blairsville 66 82 66 81 / 60 50 40 60 Cartersville 71 86 71 86 / 60 60 40 60 Columbus 73 87 73 89 / 50 60 30 50 Gainesville 70 84 71 84 / 60 50 40 60 Macon 72 87 72 89 / 50 60 30 40 Rome 71 86 71 86 / 50 50 40 60 Peachtree City 71 86 71 86 / 60 60 40 60 Vidalia 73 89 73 92 / 40 50 20 20 && .FFC WATCHES/WARNINGS/ADVISORIES... NONE. && SHORT TERM...RW LONG TERM....NListemaa AVIATION...RW
Hazardous weather outlook, Aug 18, 10:50 AM EDT, 6 hours 21 minutes before
Hazardous Weather Outlook National Weather Service Peachtree City GA 1050 AM EDT Sat Aug 18 2018 GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086- 089>098-102>113-191015- 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- 1050 AM EDT Sat Aug 18 2018 This Hazardous Weather Outlook is for portions of North and Central Georgia. .DAY ONE...This Afternoon and Tonight... Scattered to numerous showers and thunderstorms can be expected over much of Georgia through tonight. A few storms could be strong with gusty winds, frequent lightning and locally heavy rainfall. An isolated severe storm cannot be ruled out. Any severe thunderstorm that develops will be capable of producing damaging wind gusts. .DAYS TWO THROUGH SEVEN...Sunday through Friday... Scattered to numerous thunderstorms are expected across the area through Wednesday. A few storms could be strong to severe with gusty winds, frequent lightning and heavy rainfall. Isolated to scattered thunderstorms will be possible Thursday and Friday. .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 18, 4:08 PM EDT, 1 hour 3 minutes before
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Special Weather Statement
National Weather Service Peachtree City GA
451 PM EDT SAT AUG 18 2018
GAZ085-086-097-098-111>113-182130-
Toombs GA-Wheeler GA-Emanuel GA-Treutlen GA-Johnson GA-Montgomery GA-
Laurens GA-
451 PM EDT SAT AUG 18 2018
...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN TOOMBS...NORTHERN
WHEELER...SOUTHWESTERN EMANUEL...TREUTLEN...SOUTHERN JOHNSON...
NORTHERN MONTGOMERY AND EASTERN LAURENS COUNTIES UNTIL 530 PM EDT...
At 449 PM EDT...a strong thunderstorm was near Landsburg, moving
northeast at 25 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 will cause temporary
street flooding, especially in poor drainage areas.
Some locations in the path of this storm include
Soperton, Alamo, Mount Vernon, Glenwood, Adrian, Ailey, Tarrytown,
Lothair, Covena, Landsburg, Cedar Grove, Orland, Rockledge, Orianna,
Norristown, Barnhill, Kibbee, Minter, Lowery and Blackville.
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 3211 8277 3232 8297 3266 8274 3254 8246
3230 8233
TIME...MOT...LOC 2049Z 234DEG 20KT 3227 8278
WIND...40MPHSpecial weather statement, Aug 18, 4:53 PM EDT, 18 minutes before
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</html>Special weather statement, Aug 18, 5:11 PM EDT, 0 minutes before
Special Weather Statement
National Weather Service Peachtree City GA
511 PM EDT SAT AUG 18 2018
GAZ034-035-046>048-182200-
Walton GA-Rockdale GA-Barrow GA-Gwinnett GA-Newton GA-
511 PM EDT SAT AUG 18 2018
...SIGNIFICANT WEATHER ADVISORY FOR WALTON...NORTHEASTERN ROCKDALE...
BARROW...SOUTHEASTERN GWINNETT AND NORTHERN NEWTON COUNTIES UNTIL 600
PM EDT...
At 510 PM EDT...a strong thunderstorm was over Big Haynes Creek
Park northeast of Conyers, moving east at 25 mph.
HAZARD...Up to 40 mph wind, occasional cloud-to-ground lightning
and heavy rain.
IMPACT...Expect minor damage to tree limbs and blowing around of
light, unsecured objects. Heavy rain will cause temporary
street flooding, especially in poor drainage areas.
Some locations in the path of this storm include
Conyers, Winder, Monroe, Snellville, Loganville, Auburn, Dacula,
Social Circle, Grayson, Statham, Oxford, Walnut Grove, Bethlehem,
Between, Good Hope, Carl, Jersey, Lakeview Estates, Georgia
International Horse Park and Fort Yargo 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 3405 8371 3405 8369 3393 8360 3391 8364
3389 8363 3388 8359 3387 8359 3386 8358
3375 8356 3368 8362 3363 8396 3372 8406
3375 8403 3378 8408 3380 8409 3407 8375
3407 8374
TIME...MOT...LOC 2110Z 252DEG 24KT 3377 8395
WIND...40MPHThe office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 17, 8:05 PM EDT | Severe Thunderstorm Warning | FFC | Dade, Walker | 40 min |
| Aug 17, 8:24 PM EDT | Special Weather Statement | FFC | Chattooga, Walker | 51 min |
| Aug 17, 8:39 PM EDT | Special Weather Statement | FFC | Catoosa, Dade | 36 min |
| Aug 17, 8:47 PM EDT | Special Weather Statement | FFC | Butts, Jasper, Monroe | 43 min |
| Aug 17, 9:12 PM EDT | Special Weather Statement | FFC | Catoosa, Chattooga, Floyd, Walker, Whitfield | 48 min |
| Aug 17, 9:21 PM EDT | Severe Thunderstorm Warning | FFC | Catoosa, Walker, Whitfield | 39 min |
| Aug 17, 9:26 PM EDT | Special Weather Statement | FFC | Greene, Jasper, Morgan, Putnam | 49 min |
| Aug 17, 9:48 PM EDT | Special Weather Statement | FFC | Floyd, Gordon, Murray, Whitfield | 42 min |
| Aug 18, 2:37 PM EDT | Special Weather Statement | FFC | Stewart, Webster | 38 min |
| Aug 18, 3:25 PM EDT | Special Weather Statement | FFC | Bibb, Houston, Jones, Monroe, Peach | 50 min |
| Aug 18, 3:29 PM EDT | Special Weather Statement | FFC | Crisp, Dooly, Sumter, Webster | 46 min |
| Aug 18, 3:54 PM EDT | Special Weather Statement | FFC | DeKalb, Fulton, Gwinnett | 51 min |
| Aug 18, 4:08 PM EDT | Special Weather Statement | FFC | Crisp, Dodge, Dooly, Montgomery, Pulaski, Telfair and 2 more | 37 min |
| Aug 18, 4:25 PM EDT | Special Weather Statement | FFC | Barrow, Clayton, DeKalb, Gwinnett, Jackson, Rockdale and 1 more | 50 min |
| Aug 18, 4:40 PM EDT | Special Weather Statement | FFC | Baldwin, Putnam | 50 min |
| Aug 18, 4:51 PM EDT | Special Weather Statement | FFC | Treutlen | 39 min |
| Aug 18, 4:53 PM EDT | Special Weather Statement | FFC | Coweta, Heard, Troup | 52 min |
| Aug 18, 5:17 PM EDT | Special Weather Statement | FFC | Clayton, Fayette, Henry, Newton, Rockdale | 43 min |
| Aug 18, 5:26 PM EDT | Special Weather Statement | FFC | Emanuel | 49 min |
| Aug 18, 5:52 PM EDT | Special Weather Statement | FFC | Morgan, Newton, Oconee | 38 min |
| Aug 18, 6:05 PM EDT | Severe Thunderstorm Warning | FFC | Jasper, Morgan, Newton, Walton | 40 min |
| Aug 18, 7:41 PM EDT | Special Weather Statement | FFC | Banks, Hall | 49 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.