Alert archive / Georgia / Special Weather Statements in 2017

Special Weather Statement, NWS Atlanta, GA

July 10, 2017Barrow County, Georgia

NWS Atlanta, GA issued this special weather statement at Jul 10, 2017, 1:53 PM EDT for Barrow County, Georgia. It was in force for 52 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
Jul 10, 2017, 1:53 PM EDT (17:53 UTC)
Expired
Jul 10, 2017, 2:45 PM EDT
In force
52 min
Issued by
NWS Atlanta, GA
Wind
50

County Barrow County, GA

The radar

The Atlanta radar (KFFC), 107 km from the middle of the area, began a volume at 17:56 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, 5.9 hours before the alert went out and 102 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, Peachtre/Fal Fld, GA at 12:00Z on 2017-07-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 96 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, Peachtre/Fal Fld, GA at 12:00Z on 2017-07-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -17 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
96 J/kg
Mixed-layer CIN
-83 J/kg
Mixed-layer LCL
1114 m above ground
0-6 km bulk shear
4 kt
0-1 km storm-relative helicity
-17 m²/s²
0-3 km storm-relative helicity
-36 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 Jul 10, 1:27 PM EDT, 26 minutes earlier.

Area forecast discussion, Jul 10, 1:27 PM EDT, 26 minutes before
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  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
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      <p id="message2">
        Please try again in a few minutes.
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Hazardous weather outlook, Jul 10, 9:57 AM EDT, 3 hours 56 minutes before
Hazardous Weather Outlook
National Weather Service Peachtree City GA
957 AM EDT Mon Jul 10 2017

GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086-
089>098-102>113-111200-
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-
957 AM EDT Mon Jul 10 2017

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

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

Scattered to numerous thunderstorms are expected across central
Georgia this afternoon and evening, generally south of a line from
Columbus, to Thomaston, to Warrenton. A few strong storms are
possible, with the main hazards being damaging winds to 50 MPH and
frequent lightning. Small hail and locally heavy rainfall will
also be possible.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday...

There is a chance of showers and thunderstorms across north and
central Georgia Tuesday through Sunday, particularly during the
afternoon and evening hours. A few storms could be strong to
severe with gusty winds and frequent lightning the main hazards.
Hail and locally heavy rainfall will also be possible.

Heat Index values will approach 105 degrees over portions of
central Georgia Wednesday through Sunday.

.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, Jul 10, 12:15 PM EDT, 1 hour 38 minutes before
Special Weather Statement
National Weather Service Peachtree City GA
1215 PM EDT MON JUL 10 2017

GAZ023-025-034-035-101700-
Hall GA-Jackson GA-Barrow GA-Gwinnett GA-
1215 PM EDT MON JUL 10 2017

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN HALL...WESTERN
JACKSON...WESTERN BARROW AND NORTHEASTERN GWINNETT COUNTIES UNTIL 100
PM EDT...

At 1215 PM EDT...a strong thunderstorm was over Hog Mountain, or 9
miles north of Lawrenceville...moving east at 10 mph.

  HAZARD...40 to 50 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
Suwanee, Buford, Braselton, Auburn, Flowery Branch, Dacula, Oakwood,
Hoschton, Carl, Talmo, Rest Haven, County Line, Thompsons Mill,
Harbin, Chateau Elan, Aqualand Park, Chestnut Mountain, Road
Atlanta-Lanier Speedway and Hog Mountain.

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 3420 8369 3393 8379 3393 8380 3392 8382
      3402 8405 3422 8396
TIME...MOT...LOC 1615Z 285DEG 7KT 3409 8394

HAIL...0.25IN
WIND...50MPH
Special weather statement, Jul 10, 1:53 PM EDT, 0 minutes before
Special Weather Statement
National Weather Service Peachtree City GA
153 PM EDT MON JUL 10 2017

GAZ025-034-035-047-101845-
Jackson GA-Walton GA-Barrow GA-Gwinnett GA-
153 PM EDT MON JUL 10 2017

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN JACKSON...
NORTHEASTERN WALTON...BARROW AND EASTERN GWINNETT COUNTIES UNTIL 245
PM EDT...

At 153 PM EDT...a strong thunderstorm was over Fort Yargo State Park,
or over Winder...moving east at 10 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
Winder, Auburn, Statham, Bethlehem, Carl, Russell, Fort Yargo State
Park, Gratis, Bold Springs, County Line, Nicholasville and Campton.

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 3404 8353 3395 8357 3391 8364 3389 8363
      3388 8359 3379 8363 3390 8387 3407 8380
TIME...MOT...LOC 1753Z 288DEG 7KT 3397 8376

WIND...50MPH

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 9, 8:15 PM EDTSpecial Weather StatementFFCHouston30 min
Jul 9, 9:18 PM EDTSpecial Weather StatementFFCHouston27 min
Jul 10, 12:15 PM EDTSpecial Weather StatementFFCBarrow45 min
Jul 10, 2:55 PM EDTSpecial Weather StatementFFCPike50 min
Jul 10, 3:11 PM EDTSpecial Weather StatementFFCWheeler49 min
Jul 10, 4:05 PM EDTSpecial Weather StatementFFCDodge40 min
Jul 10, 4:11 PM EDTSpecial Weather StatementFFCWilcox34 min
Jul 10, 4:14 PM EDTSpecial Weather StatementFFCHancock46 min
Jul 10, 5:20 PM EDTSevere Thunderstorm WarningFFCGreene13 min
Jul 10, 5:38 PM EDTSpecial Weather StatementFFCWilkes37 min
Jul 10, 5:42 PM EDTSpecial Weather StatementFFCNewton33 min
Jul 10, 6:15 PM EDTSpecial Weather StatementFFCNewton30 min
Jul 10, 6:24 PM EDTSpecial Weather StatementFFCTaylor36 min
Jul 10, 6:39 PM EDTSpecial Weather StatementFFCNewton, Rockdale51 min
Jul 10, 6:44 PM EDTSpecial Weather StatementFFCBibb46 min
Jul 10, 6:55 PM EDTSpecial Weather StatementFFCMuscogee35 min
Jul 10, 7:05 PM EDTSpecial Weather StatementFFCRockdale25 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.