Alert archive / Florida / Special Weather Statements in 2019

Special Weather Statement, NWS Tallahassee, FL

August 9, 2019Bay County, Florida

NWS Tallahassee, FL issued this special weather statement at Aug 9, 2019, 2:06 PM CDT for Bay County, Florida. It was in force for 39 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 9, 2019, 2:06 PM CDT (19:06 UTC)
Expired: Aug 9, 2019, 2:45 PM CDT
In force: 39 min
Issued by: NWS Tallahassee, FL

County Bay County, FL

The radar

The Eglin Afb radar (KEVX), 72 km from the middle of the area, began a volume at 19:06 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, 7.1 hours before the alert went out and 110 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: 698 J/kg
Mixed-layer CIN: -83 J/kg
Mixed-layer LCL: 994 m above ground
0-6 km bulk shear: 8 kt
0-1 km storm-relative helicity: -32 m²/s²
0-3 km storm-relative helicity: -11 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 9, 12:43 PM CDT, 1 hour 23 minutes earlier.

Area forecast discussion, Aug 9, 12:43 PM CDT, 1 hour 23 minutes before

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  <link rel="stylesheet" href="index.css">
</head>
<body>
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    <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>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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In the hours before

Special weather statement, Aug 9, 2:06 PM CDT, 0 minutes before

Special Weather Statement
National Weather Service Tallahassee FL
306 PM EDT Fri Aug 9 2019

FLZ010-012>014-112-091945-
Coastal Bay FL-Inland Bay FL-Calhoun FL-Inland Gulf FL-Washington FL-
306 PM EDT Fri Aug 9 2019

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN GULF...NORTHEASTERN
BAY...SOUTHWESTERN CALHOUN AND SOUTHEASTERN WASHINGTON COUNTIES IN
THE PANHANDLE OF FLORIDA UNTIL 345 PM EDT/245 PM CDT/...

At 306 PM EDT/206 PM CDT/, Doppler radar was tracking strong
thunderstorms along a line extending from 12 miles northeast of Lynn
Haven to near Callaway. Movement was southeast at 10 mph.

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

Locations impacted include...
Callaway, Nixon, Bayhead, College Station, Saunders, Bayou George,
Camp Flowers, Overstreet, Gainer Spring, Bennett, Youngstown, Cairo,
Kinard, Broad Branch, Wetappo and Majette.

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.

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 2999 8537 3001 8537 3002 8539 3001 8539
      3011 8558 3049 8559 3036 8523 2992 8524
TIME...MOT...LOC 1906Z 309DEG 10KT 3038 8552 3016 8552

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 9, 1:57 AM CDT	Heat Advisory	TAE	Calhoun, Franklin, Gadsden, Gulf, Jackson, Jefferson and 2 more	16 hr
Aug 9, 9:36 AM CDT	Rip Current Statement	TAE	Gulf	18 hr
Aug 9, 3:04 PM CDT	Special Weather Statement	TAE	Dixie	41 min
Aug 9, 4:29 PM CDT	Special Weather Statement	TAE	Holmes	46 min
Aug 9, 5:39 PM CDT	Special Weather Statement	TAE	Washington	51 min

Nearby

Special Weather Statements in Florida, 2019 Every special weather statement in 2019

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.