Alert archive / Florida / Special Weather Statements in 2021

Special Weather Statement, NWS Tallahassee, FL

July 19, 2021Leon County, Florida

NWS Tallahassee, FL issued this special weather statement at Jul 19, 2021, 12:42 PM EDT for Leon County, Florida. It was in force for 33 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 19, 2021, 12:42 PM EDT (16:42 UTC)
Expired: Jul 19, 2021, 1:15 PM EDT
In force: 33 min
Issued by: NWS Tallahassee, FL

County Leon County, FL

The radar

The Tallahassee radar (KTLH), 20 km from the middle of the area, began a volume at 16:46 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, 4.7 hours before the alert went out and 19 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: 720 J/kg
Mixed-layer CIN: -15 J/kg
Mixed-layer LCL: 758 m above ground
0-6 km bulk shear: 9 kt
0-1 km storm-relative helicity: 31 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 Jul 19, 10:17 AM EDT, 2 hours 25 minutes earlier.

Area forecast discussion, Jul 19, 10:17 AM EDT, 2 hours 25 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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In the hours before

Special weather statement, Jul 19, 12:42 PM EDT, 0 minutes before

Special Weather Statement
National Weather Service Tallahassee FL
1242 PM EDT Mon Jul 19 2021

FLZ016-017-191715-
Gadsden FL-Leon FL-
1242 PM EDT Mon Jul 19 2021

...SIGNIFICANT WEATHER ADVISORY FOR EAST CENTRAL GADSDEN AND
NORTHEASTERN LEON COUNTIES UNTIL 115 PM EDT...

At 1242 PM EDT, Doppler radar was tracking a strong thunderstorm near
Tallahassee Comm College, or near Tallahassee, moving northeast at 15
mph.

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

Locations impacted include...
Tallahassee, Macon Community Park, Levy Park, Lake Iamonia,
Tallahassee Memorial Hosp, Orchard Pond, Maclay State Gardens,
Killearn Lakes, Iamonia, Tallahassee Coml Airport, Killearn Estates,
Lake Ella, Lake Jackson, Tallahassee Mall, Bradfordville, Winthrop
Park and Forest Meadows Park.

LAT...LON 3045 8426 3046 8445 3069 8430 3068 8419
      3065 8407
TIME...MOT...LOC 1642Z 215DEG 15KT 3053 8435

72-BUNKER

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 19, 2:50 PM EDT	Special Weather Statement	TAE	Leon, Wakulla	55 min
Jul 19, 3:41 PM EDT	Special Weather Statement	TAE	Gadsden	49 min
Jul 19, 4:22 PM EDT	Areal Flood Advisory	TAE	Gadsden, Jackson	113 min
Jul 19, 7:04 PM EDT	Areal Flood Advisory	TAE	Liberty, Wakulla	116 min
Jul 18, 8:00 PM EDT	Special Weather Statement	TAE	Berrien	45 min
Jul 18, 8:41 PM EDT	Areal Flood Advisory	TAE	Ben Hill, Irwin, Turner	2 hr
Jul 18, 9:04 PM EDT	Areal Flood Advisory	TAE	Worth	116 min
Jul 19, 1:29 PM EDT	Special Weather Statement	TAE	Lowndes	31 min
Jul 19, 1:41 PM EDT	Special Weather Statement	TAE	Thomas	49 min
Jul 19, 1:43 PM EDT	Special Weather Statement	TAE	Grady	47 min
Jul 19, 2:24 PM EDT	Special Weather Statement	TAE	Early, Miller	51 min
Jul 19, 2:34 PM EDT	Special Weather Statement	TAE	Quitman	41 min
Jul 19, 2:41 PM EDT	Areal Flood Advisory	TAE	Quitman	3 hr
Jul 19, 3:30 PM EDT	Special Weather Statement	TAE	Dougherty, Terrell, Worth	45 min
Jul 19, 4:10 PM EDT	Areal Flood Advisory	TAE	Dougherty	65 min
Jul 19, 6:30 PM EDT	Special Weather Statement	TAE	Brooks	30 min
Jul 19, 1:35 PM EDT	Special Weather Statement	TAE	Henry	40 min
Jul 19, 1:59 PM EDT	Special Weather Statement	TAE	Henry	46 min
Jul 19, 2:20 PM EDT	Special Weather Statement	TAE	Coffee	55 min

Nearby

Special Weather Statements in Florida, 2021 Every special weather statement in 2021

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.