Alert archive / Florida / Special Weather Statements in 2021

Special Weather Statement, NWS Tallahassee, FL

July 6, 2021Holmes County, Florida; Geneva County, Alabama

NWS Tallahassee, FL issued this special weather statement at Jul 6, 2021, 12:38 PM CDT for Holmes County, Florida; Geneva County, Alabama. It was in force for 52 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 6, 2021, 12:38 PM CDT (17:38 UTC)
Expired: Jul 6, 2021, 1:30 PM CDT
In force: 52 min
Issued by: NWS Tallahassee, FL

Counties Geneva County, AL, Holmes County, FL

The radar

The Eglin Afb radar (KEVX), 39 km from the middle of the area, began a volume at 17:41 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, 5.6 hours before the alert went out and 170 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: 721 J/kg
Mixed-layer CIN: -50 J/kg
Mixed-layer LCL: 780 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: 8 m²/s²
0-3 km storm-relative helicity: 46 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

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 6, 4:38 AM CDT, 8 hours earlier.

Area forecast discussion, Jul 6, 4:38 AM CDT, 8 hours 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.
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In the hours before

Special weather statement, Jul 6, 11:46 AM CDT, 52 minutes before

Special Weather Statement
National Weather Service Tallahassee FL
1246 PM EDT Tue Jul 6 2021

FLZ008-010-012-112-061730-
Coastal Bay FL-Central Walton FL-Inland Bay FL-Washington FL-
1246 PM EDT Tue Jul 6 2021

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN BAY...SOUTHEASTERN
WALTON AND SOUTHWESTERN WASHINGTON COUNTIES UNTIL 130 PM EDT/1230 PM
CDT/...

At 1245 PM EDT/1145 AM CDT/, Doppler radar was tracking strong
thunderstorms 12 miles northwest of Lynn Haven, moving northwest at
25 mph.

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

Locations impacted include...
Live Oak, Ebro, Bruce, Red Head, Millers Ferry, West Bay, Pine Log,
Seminole Hills and Riverside.

LAT...LON 3041 8558 3028 8585 3048 8608 3063 8580
TIME...MOT...LOC 1645Z 132DEG 21KT 3041 8575

22-BARRY

Special weather statement, Jul 6, 12:38 PM CDT, 0 minutes before

Special Weather Statement
National Weather Service Tallahassee FL
1238 PM CDT Tue Jul 6 2021

ALZ068-069-FLZ007>011-061830-
Geneva AL-Houston AL-Central Walton FL-Holmes FL-Jackson FL-
North Walton FL-Washington FL-
1238 PM CDT Tue Jul 6 2021

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHERN GENEVA...SOUTH CENTRAL
HOUSTON...WESTERN JACKSON...NORTHERN WALTON...HOLMES AND NORTHERN
WASHINGTON COUNTIES UNTIL 130 PM CDT...

At 1238 PM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from 6 miles east of Eglin Air Force Base to 11
miles southeast of Chipley. Movement was north at 30 mph.

Winds in excess of 40 mph will be possible with these storms.

Locations impacted include...
Cottonwood, Vernon, De Funiak Springs, Bonifay, Geneva, Chipley,
Graceville, Hartford, Slocomb, Eglin Air Force Base, Bradford, Union,
Liberty, Cottondale, Paxton, Ponce De Leon, Alford, Caryville, Wausau
and Esto.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3099 8631 3099 8619 3107 8619 3113 8525
      3064 8535 3058 8625
TIME...MOT...LOC 1738Z 183DEG 26KT 3060 8617 3064 8543

22-BARRY

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 6, 1:45 AM CDT	Flood Watch	TAE	Dixie, Jefferson, Lafayette, Madison, Taylor	39 hr
Jul 6, 2:50 AM CDT	Rip Current Statement	TAE	Bay, Franklin, Gulf, Walton	48 hr
Jul 6, 3:53 AM CDT	Hurricane Watch	TAE	Dixie	9 hr
Jul 6, 10:07 AM CDT	Special Marine Warning	TAE		23 min
Jul 6, 11:46 AM CDT	Special Weather Statement	TAE	Washington	44 min
Jul 6, 1:13 PM CDT	Hurricane Warning	TAE	Dixie	21 hr
Jul 6, 1:17 PM CDT	Severe Thunderstorm Warning	TAE	Holmes	28 min
Jul 6, 4:36 PM CDT	Special Weather Statement	TAE	Jefferson, Taylor	54 min
Jul 6, 5:04 PM CDT	Special Marine Warning	TAE		56 min
Jul 6, 5:46 PM CDT	Special Weather Statement	TAE	Jefferson	29 min
Jul 6, 6:36 PM CDT	Small Craft Advisory	TAE		18 hr
Jul 6, 3:30 PM CDT	Special Weather Statement	TAE	Berrien, Irwin	30 min
Jul 6, 4:32 PM CDT	Special Weather Statement	TAE	Ben Hill, Irwin, Turner	43 min
Jul 6, 1:44 PM CDT	Special Weather Statement	TAE	Dale	46 min
Jul 6, 2:22 PM CDT	Special Weather Statement	TAE	Henry	38 min
Jul 6, 3:42 PM CDT	Areal Flood Advisory	TAE	Henry	2 hr

Nearby

Special Weather Statements in Florida, 2021 Special Weather Statements in Alabama, 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.