Alert archive / Florida / Special Weather Statements in 2021

Special Weather Statement, NWS Tallahassee, FL

December 8, 2021Bay County, Calhoun County, Gadsden County, Florida

NWS Tallahassee, FL issued this special weather statement at Dec 8, 2021, 11:29 AM CST for Bay County, Calhoun County, Gadsden County, Florida. It was in force for 61 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
Dec 8, 2021, 11:29 AM CST (17:29 UTC)
Expired
Dec 8, 2021, 12:30 PM CST
In force
61 min
Issued by
NWS Tallahassee, FL
Hail
0.00 in
Wind
40
Spout
Possible

Counties Bay County, FL, Calhoun County, FL, Gadsden County, FL

The radar

The Eglin Afb radar (KEVX), 61 km from the middle of the area, began a volume at 17:33 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, 5.5 hours before the alert went out and 97 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 2021-12-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 353 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 2021-12-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 160 square meters per square second.19395878Sfc1 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
353 J/kg
Mixed-layer CIN
-9 J/kg
Mixed-layer LCL
594 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
160 m²/s²
0-3 km storm-relative helicity
221 m²/s²
Significant tornado parameter
0.3
Supercell composite
2.0

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 Dec 8, 9:00 AM CST, 2 hours 29 minutes earlier.

Area forecast discussion, Dec 8, 9:00 AM CST, 2 hours 29 minutes before
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In the hours before

Special weather statement, Dec 8, 10:26 AM CST, 1 hour 3 minutes before
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Special weather statement, Dec 8, 10:34 AM CST, 55 minutes before
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Special weather statement, Dec 8, 11:29 AM CST, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Dec 7, 7:10 PM CSTDense Fog AdvisoryTAEBay, Calhoun, Dixie, Franklin, Gadsden, Gulf and 10 more13 hr
Dec 8, 12:09 AM CSTTornado WarningTAEWalton, Washington36 min
Dec 8, 1:21 AM CSTAreal Flood AdvisoryTAEWalton3 hr
Dec 8, 3:13 AM CSTSpecial Weather StatementTAEJackson32 min
Dec 8, 3:37 AM CSTSpecial Weather StatementTAEJackson23 min
Dec 8, 5:50 AM CSTSpecial Marine WarningTAE25 min
Dec 8, 9:40 AM CSTSpecial Marine WarningTAE65 min
Dec 8, 10:42 AM CSTSpecial Marine WarningTAE93 min
Dec 8, 11:37 AM CSTSpecial Marine WarningTAE83 min
Dec 8, 12:11 PM CSTSpecial Marine WarningTAE66 min
Dec 8, 12:24 PM CSTSpecial Weather StatementTAELiberty51 min
Dec 8, 12:28 PM CSTSpecial Marine WarningTAE62 min
Dec 8, 12:33 PM CSTSpecial Weather StatementTAEJefferson, Madison42 min
Dec 8, 1:06 PM CSTSpecial Weather StatementTAETaylor24 min
Dec 8, 1:10 PM CSTSpecial Weather StatementTAEMadison50 min
Dec 8, 10:26 AM CSTSpecial Weather StatementTAEBen Hill, Irwin, Worth64 min
Dec 8, 10:34 AM CSTSpecial Weather StatementTAETift56 min

Nearby

Special Weather Statements in Florida, 2021Every 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.