Alert archive / Florida / Special Weather Statements in 2018

Special Weather Statement, NWS Tallahassee, FL

August 6, 2018Calhoun County, Liberty County, Florida

NWS Tallahassee, FL issued this special weather statement at Aug 6, 2018, 2:38 PM CDT for Calhoun County, Liberty County, Florida. It was in force for 37 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 6, 2018, 2:38 PM CDT (19:38 UTC)
Expired
Aug 6, 2018, 3:15 PM CDT
In force
37 min
Issued by
NWS Tallahassee, FL

Counties Calhoun County, FL, Liberty County, FL

The radar

The Eglin Afb radar (KEVX), 79 km from the middle of the area, began a volume at 19:39 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, 7.6 hours before the alert went out and 86 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, Tallahassee Rgnl, FL at 12:00Z on 2018-08-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2081 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, Tallahassee Rgnl, FL at 12:00Z on 2018-08-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 22 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
2081 J/kg
Mixed-layer CIN
-39 J/kg
Mixed-layer LCL
901 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
22 m²/s²
0-3 km storm-relative helicity
43 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 Tallahassee, FL wrote its last area forecast discussion before this special weather statement went out at Aug 6, 12:57 PM CDT, 1 hour 41 minutes earlier.

Area forecast discussion, Aug 6, 12:57 PM CDT, 1 hour 41 minutes before
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<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.
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In the hours before

Special weather statement, Aug 6, 1:56 PM CDT, 42 minutes before
Special Weather Statement
National Weather Service Tallahassee FL
Issued by National Weather Service Mobile AL
256 PM EDT MON AUG 6 2018

GAZ127-145>147-157>160-061945-
Brooks GA-Worth GA-Lowndes GA-Colquitt GA-Mitchell GA-Cook GA-
Grady GA-Thomas GA-
256 PM EDT MON AUG 6 2018

...A STRONG THUNDERSTORM WILL AFFECT THE FOLLOWING COUNTIES...
SOUTHWESTERN COOK...NORTHEASTERN GRADY...SOUTHEASTERN MITCHELL...
NORTHWESTERN LOWNDES...THOMAS...NORTHWESTERN BROOKS...COLQUITT AND
SOUTH CENTRAL WORTH COUNTIES UNTIL 345 PM EDT...

At 253 PM EDT, A strong thunderstorm was located near Coolidge, or
11 miles south of Moultrie moving southwest at 15 mph.

Winds in excess of 30 mph will be possible with this storm.

Locations impacted include...
Pelham, Moultrie, Thomasville, Camilla, Boston, Norman Park, Doerun,
Ochlocknee, Pavo, Coolidge and Riverside.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 3066 8373 3066 8375 3110 8429 3141 8382
      3102 8337
TIME...MOT...LOC 1853Z 045DEG 15KT 3101 8381

DRJ
Special weather statement, Aug 6, 2:38 PM CDT, 0 minutes before
Special Weather Statement
National Weather Service Tallahassee FL
Issued by National Weather Service Mobile AL
338 PM EDT MON AUG 6 2018

FLZ012>014-026-062015-
Liberty FL-Inland Bay FL-Calhoun FL-Inland Gulf FL-
338 PM EDT MON AUG 6 2018

...A STRONG THUNDERSTORM WILL AFFECT THE FOLLOWING COUNTIES...
NORTHERN GULF...EAST CENTRAL BAY...SOUTHERN CALHOUN AND WESTERN
LIBERTY COUNTIES UNTIL 415 PM EDT/315 PM CDT/...

At 337 PM EDT/237 PM CDT/ A strong thunderstorm was located 12 miles
south of Blountstown moving southwest at 15 mph.

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

Locations impacted include...
Blountstown, Stonemill Creek and Wewahitchka.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 3034 8547 3049 8491 3023 8479 2992 8525
TIME...MOT...LOC 1937Z 056DEG 13KT 3026 8501

DRJ

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 6, 3:07 PM CDTSpecial Weather StatementTAELeon23 min
Aug 6, 3:24 PM CDTSevere Thunderstorm WarningTAELeon14 min
Aug 6, 3:45 PM CDTSevere Thunderstorm WarningTAEJefferson, Leon, Wakulla30 min
Aug 6, 4:00 PM CDTSpecial Weather StatementTAEBay30 min
Aug 6, 4:05 PM CDTSpecial Weather StatementTAEJefferson25 min
Aug 6, 4:18 PM CDTSpecial Marine WarningTAE57 min
Aug 6, 4:19 PM CDTSpecial Marine WarningTAE56 min
Aug 6, 4:23 PM CDTSpecial Weather StatementTAEWashington37 min
Aug 6, 4:37 PM CDTSpecial Weather StatementTAEJefferson38 min
Aug 6, 5:02 PM CDTSpecial Weather StatementTAEWalton28 min
Aug 6, 5:04 PM CDTSpecial Marine WarningTAE56 min
Aug 6, 5:09 PM CDTSpecial Marine WarningTAE66 min
Aug 6, 5:31 PM CDTSpecial Weather StatementTAEWalton29 min
Aug 6, 6:03 PM CDTSpecial Marine WarningTAE57 min
Aug 6, 6:17 PM CDTSpecial Weather StatementTAEWalton43 min
Aug 6, 1:56 PM CDTSpecial Weather StatementTAEBrooks, Colquitt, Thomas49 min
Aug 6, 2:43 PM CDTSpecial Weather StatementTAEBrooks, Thomas47 min
Aug 6, 3:49 PM CDTSpecial Weather StatementTAEBen Hill26 min
Aug 6, 4:14 PM CDTSpecial Weather StatementTAEBen Hill, Irwin31 min
Aug 6, 4:20 PM CDTSevere Thunderstorm WarningTAEBen Hill, Berrien, Irwin, Tift, Turner55 min
Aug 6, 4:33 PM CDTSpecial Weather StatementTAELanier27 min
Aug 6, 5:00 PM CDTSevere Thunderstorm WarningTAEIrwin, Tift, Turner, Worth45 min
Aug 6, 5:15 PM CDTSpecial Weather StatementTAELee30 min
Aug 6, 5:28 PM CDTSpecial Weather StatementTAEBerrien32 min
Aug 6, 5:42 PM CDTSpecial Weather StatementTAEBerrien, Colquitt, Cook, Tift, Worth48 min
Aug 6, 6:10 PM CDTSevere Thunderstorm WarningTAEDougherty, Lee, Mitchell, Worth33 min
Aug 6, 6:20 PM CDTSpecial Weather StatementTAEBaker, Calhoun40 min
Aug 6, 6:22 PM CDTSpecial Weather StatementTAEEarly38 min
Aug 6, 6:42 PM CDTSpecial Weather StatementTAEBaker, Mitchell48 min
Aug 6, 6:56 PM CDTSpecial Weather StatementTAECalhoun, Early34 min
Aug 6, 4:34 PM CDTSpecial Weather StatementTAECoffee26 min

Nearby

Special Weather Statements in Florida, 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.