Alert archive / Georgia / Special Weather Statements in 2018

Special Weather Statement, NWS Atlanta, GA

August 29, 2018Murray County, Georgia

NWS Atlanta, GA issued this special weather statement at Aug 29, 2018, 9:52 AM EDT for Murray County, Georgia. It was in force for 38 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 29, 2018, 9:52 AM EDT (13:52 UTC)
Expired: Aug 29, 2018, 10:30 AM EDT
In force: 38 min
Issued by: NWS Atlanta, GA

County Murray County, GA

The radar

The Northeast Alabama radar (KHTX), 131 km from the middle of the area, began a volume at 13:53 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, 1.9 hours before the alert went out and 163 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 779 J/kg
Mixed-layer CIN: -61 J/kg
Mixed-layer LCL: 959 m above ground
0-6 km bulk shear: 13 kt
0-1 km storm-relative helicity: 10 m²/s²
0-3 km storm-relative helicity: -2 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.6

Open this sounding in Storm Lab

The text

As transmitted.

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <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.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</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 29, 7:50 AM EDT, 2 hours 2 minutes earlier.

Area forecast discussion, Aug 29, 7:50 AM EDT, 2 hours 2 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <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.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

Hazardous weather outlook, Aug 29, 4:15 AM EDT, 5 hours 37 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <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.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

In the hours before

Special weather statement, Aug 29, 9:52 AM EDT, 0 minutes before

Special Weather Statement
National Weather Service Peachtree City GA
952 AM EDT WED AUG 29 2018

GAZ005-007-291430-
Gilmer GA-Murray GA-
952 AM EDT WED AUG 29 2018

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN GILMER AND
EAST CENTRAL MURRAY COUNTIES UNTIL 1030 AM EDT...

At 950 AM EDT...a strong thunderstorm was near Fort Mountain State
Park, or near Chatsworth. This storm was nearly stationary.

  HAZARD...Heavy rain.

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

Some locations in the path of this storm include
Chatsworth, Eton, Crandall, Conasauga Lake and Fort Mountain State
Park.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

LAT...LON 3489 8462 3485 8462 3485 8454 3468 8464
      3475 8480 3492 8472
TIME...MOT...LOC 1350Z 290DEG 4KT 3481 8468

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 28, 8:02 PM EDT	Special Weather Statement	FFC	Talbot	43 min
Aug 28, 8:08 PM EDT	Severe Thunderstorm Warning	FFC	Harris, Muscogee, Talbot	32 min
Aug 29, 2:18 PM EDT	Special Weather Statement	FFC	Chattooga	27 min
Aug 29, 2:21 PM EDT	Special Weather Statement	FFC	Carroll	24 min
Aug 29, 3:02 PM EDT	Special Weather Statement	FFC	Fulton	28 min
Aug 29, 4:05 PM EDT	Special Weather Statement	FFC	Polk	25 min
Aug 29, 4:08 PM EDT	Special Weather Statement	FFC	Bartow	37 min
Aug 29, 4:13 PM EDT	Severe Thunderstorm Warning	FFC	Bartow	33 min
Aug 29, 4:37 PM EDT	Special Weather Statement	FFC	Gordon	23 min
Aug 29, 4:48 PM EDT	Special Weather Statement	FFC	Polk	27 min
Aug 29, 5:00 PM EDT	Special Weather Statement	FFC	Forsyth	30 min
Aug 29, 6:19 PM EDT	Special Weather Statement	FFC	Dooly	26 min
Aug 29, 6:23 PM EDT	Special Weather Statement	FFC	Meriwether	37 min
Aug 29, 6:46 PM EDT	Severe Thunderstorm Warning	FFC	Meriwether	29 min
Aug 29, 6:47 PM EDT	Special Weather Statement	FFC	Harris	28 min
Aug 29, 7:07 PM EDT	Special Weather Statement	FFC	Sumter	23 min
Aug 29, 7:16 PM EDT	Special Weather Statement	FFC	Troup	29 min

Nearby

Special Weather Statements in Georgia, 2018 Every 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.