Alert archive / Florida / Special Weather Statements in 2021

Special Weather Statement, NWS Tallahassee, FL

February 10, 2021Walton County, Florida

NWS Tallahassee, FL issued this special weather statement at Feb 10, 2021, 1:58 PM CST for Walton County, Florida. It was in force for 62 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: Feb 10, 2021, 1:58 PM CST (19:58 UTC)
Expired: Feb 10, 2021, 3:00 PM CST
In force: 62 min
Issued by: NWS Tallahassee, FL

County Walton County, FL

The radar

The Eglin Afb radar (KEVX), 26 km from the middle of the area, began a volume at 19:58 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, 8.0 hours before the alert went out and 182 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: 84 J/kg
Mixed-layer CIN: -136 J/kg
Mixed-layer LCL: 473 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 99 m²/s²
0-3 km storm-relative helicity: 188 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.6

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 Feb 10, 11:34 AM CST, 2 hours 24 minutes earlier.

Area forecast discussion, Feb 10, 11:34 AM CST, 2 hours 24 minutes before

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  <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.
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In the hours before

Special weather statement, Feb 10, 1:58 PM CST, 0 minutes before

Special Weather Statement
National Weather Service Tallahassee FL
158 PM CST Wed Feb 10 2021

FLZ007>009-108-102100-
Central Walton FL-Holmes FL-South Walton FL-North Walton FL-
158 PM CST Wed Feb 10 2021

...SIGNIFICANT WEATHER ADVISORY FOR WALTON AND SOUTHWESTERN HOLMES
COUNTIES UNTIL 300 PM CST...

At 156 PM CST, Doppler radar was tracking strong thunderstorms along
a line extending from near Crestview to 10 miles northwest of
Niceville to near Wright. Movement was east at 30 mph.

Pea size hail and winds up to 40 mph will be possible with these
storms.

Locations impacted include...
De Funiak Springs, Eglin Air Force Base, Union, Liberty, Freeport,
Ponce De Leon, Pond Creek, Oakwood Hills, Cluster Springs, Portland,
Alpine Heights, Villa Tasso, Arrant Settlement, De Funiak Spring
Airport, Rock Hill, Glendale, Pleasant Ridge, Center Ridge, Knox Hill
and New Harmony.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3094 8639 3093 8592 3060 8594 3041 8603
      3042 8614 3043 8612 3043 8615 3044 8616
      3046 8616 3047 8613 3046 8619 3048 8620
      3049 8619 3050 8620 3048 8622 3049 8626
      3047 8630 3048 8633 3046 8639
TIME...MOT...LOC 1956Z 274DEG 24KT 3082 8656 3064 8656 3049 8668

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 10, 2:06 PM CST	Dense Fog Advisory	TAE	Bay, Calhoun, Dixie, Franklin, Gadsden, Gulf and 10 more	19 hr
Feb 10, 2:49 PM CST	Special Weather Statement	TAE	Washington	56 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.