Alert archive / Georgia / Special Weather Statements in 2017

Special Weather Statement, NWS Tallahassee, FL

August 30, 2017Seminole County, Georgia

NWS Tallahassee, FL issued this special weather statement at Aug 30, 2017, 12:18 PM EDT for Seminole County, Georgia. It was in force for 42 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 30, 2017, 12:18 PM EDT (16:18 UTC)
Expired: Aug 30, 2017, 1:00 PM EDT
In force: 42 min
Issued by: NWS Tallahassee, FL

County Seminole County, GA

The radar

The Tallahassee radar (KTLH), 76 km from the middle of the area, began a volume at 16:21 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

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 4.3 hours before the alert went out and 78 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: 334 J/kg
Mixed-layer CIN: -50 J/kg
Mixed-layer LCL: 832 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: 117 m²/s²
0-3 km storm-relative helicity: 123 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.8

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 Tallahassee, FL wrote its last area forecast discussion before this special weather statement went out at Aug 30, 10:41 AM EDT, 1 hour 37 minutes earlier.

Area forecast discussion, Aug 30, 10:41 AM EDT, 1 hour 37 minutes before

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  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
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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.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
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        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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In the hours before

Special weather statement, Aug 30, 11:53 AM EDT, 25 minutes before

Special Weather Statement
National Weather Service Tallahassee FL
1053 AM CDT WED AUG 30 2017

ALZ066-068-069-FLZ009>011-301645-
Dale AL-Houston AL-Geneva AL-Holmes FL-Jackson FL-Washington FL-
1053 AM CDT WED AUG 30 2017

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN DALE...EASTERN
GENEVA...CENTRAL HOUSTON...NORTHWESTERN JACKSON...NORTHEASTERN HOLMES
AND NORTHEASTERN WASHINGTON COUNTIES UNTIL 1145 AM CDT...

At 1053 AM CDT, National Weather Service doppler radar indicated a
strong thunderstorm 7 miles northeast of Bonifay, moving northeast at
30 mph.

Winds in excess of 40 mph will be possible with this storm.

Locations impacted include...
Cottonwood, Graceville, Dothan, Bonifay, Taylor, Midland City,
Slocomb, Cowarts, Malvern, Rehobeth, Avon, Esto, Madrid, Campbellton,
Noma, Memphis, Garretts Crossroads, Tendil Crossing, Wilson Mill and
Southern Junction.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

&&

LAT...LON 3085 8577 3132 8551 3113 8522 3076 8559
TIME...MOT...LOC 1553Z 212DEG 25KT 3088 8563

30-PULLIN

Special weather statement, Aug 30, 12:18 PM EDT, 0 minutes before

Special Weather Statement
National Weather Service Tallahassee FL
1218 PM EDT WED AUG 30 2017

ALZ069-FLZ011-GAZ155-156-301700-
Houston AL-Jackson FL-Decatur GA-Seminole GA-
1218 PM EDT WED AUG 30 2017

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN HOUSTON...EASTERN
JACKSON AND SEMINOLE COUNTIES UNTIL 100 PM EDT/NOON CDT/...

At 1217 PM EDT/1117 AM CDT/, National Weather Service doppler radar
indicated a strong thunderstorm 10 miles southeast of Marianna,
moving northeast at 30 mph.

Winds in excess of 40 mph will be possible with this storm.

Locations impacted include...
Donalsonville, Grand Ridge, Greenwood, Bascom, Little Hope, Blue
Spring, Union City, Lovedale, Dellwood, Riverturn, Star, Hornsville,
Donaldsonville A/P, Alliance, Buena Vista, Seminole State Park, Steam
Mill, Desser, Lela and Haynes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

&&

LAT...LON 3102 8487 3090 8475 3088 8476 3087 8476
      3088 8477 3087 8477 3061 8508 3061 8517
      3059 8517 3063 8525 3106 8507
TIME...MOT...LOC 1617Z 214DEG 28KT 3065 8514

30-PULLIN

The office that day

Everything else NWS Tallahassee, FL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 29, 9:34 PM EDT	Flash Flood Watch	TAE	Bay, Walton, Washington	7 hr
Aug 29, 10:29 PM EDT	Special Marine Warning	TAE		2 hr
Aug 30, 3:48 AM EDT	Small Craft Advisory	TAE		36 hr
Aug 30, 1:44 PM EDT	Special Weather Statement	TAE	Leon	46 min
Aug 30, 1:51 PM EDT	Severe Thunderstorm Warning	TAE	Gadsden, Leon	26 min
Aug 30, 4:08 PM EDT	Special Weather Statement	TAE	Gadsden	37 min
Aug 30, 4:31 PM EDT	Severe Thunderstorm Warning	TAE	Gadsden	26 min
Aug 30, 5:19 PM EDT	Special Weather Statement	TAE	Gadsden	41 min
Aug 30, 12:54 PM EDT	Special Weather Statement	TAE	Miller, Seminole	51 min
Aug 30, 1:25 PM EDT	Severe Thunderstorm Warning	TAE	Clay, Quitman, Randolph	35 min
Aug 30, 1:42 PM EDT	Severe Thunderstorm Warning	TAE	Calhoun, Clay, Early, Randolph, Terrell	33 min
Aug 30, 2:00 PM EDT	Severe Thunderstorm Warning	TAE	Clay, Quitman, Randolph	45 min
Aug 30, 2:10 PM EDT	Severe Thunderstorm Warning	TAE	Calhoun, Clay, Dougherty, Early, Lee, Randolph and 1 more	50 min
Aug 30, 2:52 PM EDT	Severe Thunderstorm Warning	TAE	Dougherty, Lee, Terrell, Worth	38 min
Aug 30, 3:06 PM EDT	Special Weather Statement	TAE	Decatur, Seminole	39 min
Aug 30, 3:26 PM EDT	Severe Thunderstorm Warning	TAE	Lee, Worth	34 min
Aug 30, 4:26 PM EDT	Special Weather Statement	TAE	Ben Hill, Irwin, Tift	49 min
Aug 30, 5:02 PM EDT	Severe Thunderstorm Warning	TAE	Ben Hill, Irwin	28 min
Aug 30, 5:31 PM EDT	Severe Thunderstorm Warning	TAE	Ben Hill	14 min
Aug 30, 11:53 AM EDT	Special Weather Statement	TAE	Houston	52 min
Aug 30, 12:29 PM EDT	Special Weather Statement	TAE	Henry	61 min
Aug 30, 12:52 PM EDT	Special Weather Statement	TAE	Houston	38 min

Nearby

Special Weather Statements in Georgia, 2017 Every 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.