Alert archive / Georgia / Special Weather Statements in 2018

Special Weather Statement, NWS Atlanta, GA

May 24, 2018Clarke County, Oconee County, Georgia

NWS Atlanta, GA issued this special weather statement at May 24, 2018, 7:04 PM EDT for Clarke County, Oconee County, Georgia. It was in force for 41 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
May 24, 2018, 7:04 PM EDT (23:04 UTC)
Expired
May 24, 2018, 7:45 PM EDT
In force
41 min
Issued by
NWS Atlanta, GA
Wind
40

Counties Clarke County, GA, Oconee County, GA

The radar

The Atlanta radar (KFFC), 123 km from the middle of the area, began a volume at 23:04 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

Birmingham, AL (KBMX), launched 12:00Z, 11.1 hours before the alert went out and 324 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, Birmingham, AL at 12:00Z on 2018-05-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 637 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, Birmingham, AL at 12:00Z on 2018-05-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 18 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
637 J/kg
Mixed-layer CIN
-50 J/kg
Mixed-layer LCL
1037 m above ground
0-6 km bulk shear
7 kt
0-1 km storm-relative helicity
18 m²/s²
0-3 km storm-relative helicity
15 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 May 24, 3:26 PM EDT, 3 hours 38 minutes earlier.

Area forecast discussion, May 24, 3:26 PM EDT, 3 hours 38 minutes before
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Hazardous weather outlook, May 24, 5:15 AM EDT, 13 hours 49 minutes before
Hazardous Weather Outlook
National Weather Service Peachtree City GA
515 AM EDT Thu May 24 2018

GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086-
089>098-102>113-250915-
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-
515 AM EDT Thu May 24 2018

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

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

A lingering area of low pressure will continue to provide a focus
for shower and isolated thunderstorm development over portions of
central Georgia through the morning. The potential for flash
flooding will continue mainly across southwest portions of
central Georgia. A Flash Flood Watch remains in effect for this
area through 11am.

Isolated to scattered showers and thunderstorms are expected this
afternoon and evening across north and central Georgia. A strong
thunderstorm will be possible with the main hazards being gusty
winds, lightning, and heavy rainfall.

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

Scattered to numerous thunderstorms can be expected across the area
each day through Wednesday. On any given day, A few storms could
be strong with the main hazards being gusty winds, frequent
lightning and heavy rainfall. The best chance for thunderstorms
each day will be during the afternoon and evening hours. Localized
flooding will also be possible where storms remain over an area
for prolonged periods.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated at this time, but spotters
are encouraged to submit reports of any severe or significant
weather and flooding.

In the hours before

Special weather statement, May 24, 3:34 PM EDT, 3 hours 30 minutes before
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Special weather statement, May 24, 3:44 PM EDT, 3 hours 20 minutes before
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Special weather statement, May 24, 3:53 PM EDT, 3 hours 11 minutes before
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Special weather statement, May 24, 3:58 PM EDT, 3 hours 6 minutes before
Special Weather Statement
National Weather Service Peachtree City GA
358 PM EDT THU MAY 24 2018

GAZ005-007-012-013-242030-
Gilmer GA-Gordon GA-Pickens GA-Murray GA-
358 PM EDT THU MAY 24 2018

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN GILMER...
NORTHEASTERN GORDON...NORTHWESTERN PICKENS AND SOUTHERN MURRAY
COUNTIES UNTIL 430 PM EDT...

At 358 PM EDT...a line of strong thunderstorms was along a line
extending from near Carters to near Ranger to Talona...and moving
south at 5 mph.

  HAZARD...Heavy rain.

  IMPACT...Heavy rain may cause temporary street flooding especially
           in poor drainage areas.

Some locations in the path of these storms include
Fairmount, Ranger, Carters, Blaine, Oakman, Redbud, Audubon and
Roundtop.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Motorists should slow down and be prepared for possible loss of
control due to hydroplaning.

LAT...LON 3456 8488 3442 8469 3452 8453 3463 8452
      3460 8462 3467 8476
TIME...MOT...LOC 1958Z 022DEG 6KT 3461 8476 3452 8466 3459 8453
Special weather statement, May 24, 4:31 PM EDT, 2 hours 33 minutes before
Special Weather Statement
National Weather Service Peachtree City GA
431 PM EDT THU MAY 24 2018

GAZ078-242115-
Harris GA-
431 PM EDT THU MAY 24 2018

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN HARRIS COUNTY UNTIL
515 PM EDT...

At 430 PM EDT...a line of strong thunderstorms was along a line
extending from near Hamilton to Mulberry Grove...and moving west at
15 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 these storms include
Mountain Hill, Mulberry Grove, Whitesville-Pine Lake and Lake
Harding.

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 3284 8491 3266 8489 3266 8509 3269 8512
      3272 8512 3274 8511 3274 8513 3276 8514
      3278 8512 3281 8517 3283 8517 3285 8515
      3285 8518 3287 8519
TIME...MOT...LOC 2030Z 101DEG 14KT 3281 8495 3267 8493

WIND...40MPH
Special weather statement, May 24, 7:04 PM EDT, 0 minutes before
Special Weather Statement
National Weather Service Peachtree City GA
704 PM EDT THU MAY 24 2018

GAZ036>038-047-049-242345-
Morgan GA-Walton GA-Oglethorpe GA-Clarke GA-Oconee GA-
704 PM EDT THU MAY 24 2018

...SIGNIFICANT WEATHER ADVISORY FOR NORTHERN MORGAN...NORTHEASTERN
WALTON...NORTHWESTERN OGLETHORPE...SOUTHERN CLARKE AND OCONEE
COUNTIES UNTIL 745 PM EDT...

At 704 PM EDT...a line of strong thunderstorms was along a line
extending from near Smithonia to Watkinsville...and moving southwest
at 15 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 these storms include
Watkinsville, Athens, Winterville, Bogart, North High Shoals,
Arnoldsville, Good Hope, Bishop, Athens-Clarke County, Whitehall,
Beechwood Hills, Eastville, Barnett Shoals, Dunlap, State Botanical
Garden Of Ga and Farmington.

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 3383 8322 3373 8360 3393 8361 3394 8358
      3401 8309
TIME...MOT...LOC 2304Z 054DEG 13KT 3396 8315 3388 8340

WIND...40MPH

The office that day

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

IssuedProductOfficeCountiesLasted
May 23, 8:07 PM EDTSpecial Weather StatementFFCTowns23 min
May 23, 8:28 PM EDTSpecial Weather StatementFFCTowns32 min
May 24, 12:25 AM EDTSpecial Weather StatementFFCMeriwether, Talbot35 min
May 24, 1:06 AM EDTSpecial Weather StatementFFCMeriwether, Talbot24 min
May 24, 1:43 AM EDTFlash Flood WarningFFCTalbot6 hr
May 24, 1:45 AM EDTSpecial Weather StatementFFCMeriwether30 min
May 24, 1:47 AM EDTSpecial Weather StatementFFCMuscogee28 min
May 24, 2:17 AM EDTSpecial Weather StatementFFCChattahoochee, Muscogee28 min
May 24, 3:12 AM EDTSpecial Weather StatementFFCHarris33 min
May 24, 12:12 PM EDTFlash Flood WatchFFCBaldwin, Banks, Barrow, Bibb, Bleckley, Butts and 75 more39 hr
May 24, 2:08 PM EDTSpecial Weather StatementFFCDodge37 min
May 24, 2:13 PM EDTSpecial Weather StatementFFCEmanuel32 min
May 24, 2:15 PM EDTSpecial Weather StatementFFCGilmer45 min
May 24, 2:31 PM EDTSpecial Weather StatementFFCTreutlen29 min
May 24, 2:40 PM EDTSpecial Weather StatementFFCTelfair35 min
May 24, 2:48 PM EDTSpecial Weather StatementFFCEmanuel27 min
May 24, 3:00 PM EDTSpecial Weather StatementFFCGilmer30 min
May 24, 3:02 PM EDTSpecial Weather StatementFFCPulaski28 min
May 24, 3:14 PM EDTSpecial Weather StatementFFCLaurens31 min
May 24, 3:29 PM EDTSpecial Weather StatementFFCPulaski31 min
May 24, 3:34 PM EDTSpecial Weather StatementFFCGilmer26 min
May 24, 3:44 PM EDTSpecial Weather StatementFFCLaurens31 min
May 24, 3:53 PM EDTSpecial Weather StatementFFCDooly37 min
May 24, 3:58 PM EDTSpecial Weather StatementFFCGordon32 min
May 24, 4:31 PM EDTSpecial Weather StatementFFCHarris44 min
May 24, 7:44 PM EDTSpecial Weather StatementFFCOconee, Walton46 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.