Alert archive / Florida / Special Weather Statements in 2021

Special Weather Statement, NWS Tallahassee, FL

December 19, 2021Wakulla County, Florida

NWS Tallahassee, FL issued this special weather statement at Dec 19, 2021, 3:21 AM EST for Wakulla County, Florida. It was in force for 54 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 19, 2021, 3:21 AM EST (08:21 UTC)
Expired
Dec 19, 2021, 4:15 AM EST
In force
54 min
Issued by
NWS Tallahassee, FL
Hail
0.00 in
Wind
30

County Wakulla County, FL

The radar

The Tallahassee radar (KTLH), 58 km from the middle of the area, began a volume at 08:25 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 00:00Z, 8.4 hours before the alert went out and 60 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 00:00Z on 2021-12-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 430 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tallahassee Rgnl, FL at 00:00Z on 2021-12-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 55 square meters per square second.193958Sfc1 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
430 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
561 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
55 m²/s²
0-3 km storm-relative helicity
96 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

Open this sounding in Storm Lab

The text

As transmitted.

544 
WWUS82 KTAE 190821
SPSTAE

Special Weather Statement
National Weather Service Tallahassee FL
321 AM EST Sun Dec 19 2021
 
FLZ014-015-017-026-027-114-115-127-190915-
Inland Franklin FL-Liberty FL-Coastal Wakulla FL-Inland Gulf FL-
Coastal Franklin FL-Inland Wakulla FL-Leon FL-Coastal Gulf FL-
321 AM EST Sun Dec 19 2021

...A strong thunderstorm will impact portions of southeastern Gulf,
Wakulla, southeastern Liberty, southern Leon and Franklin Counties
through 415 AM EST/315 AM CST/...

At 321 AM EST/221 AM CST/, Doppler radar was tracking a strong
thunderstorm 11 miles west of Crawfordville, moving northeast at 15
mph.

HAZARD...Winds in excess of 30 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around 
         unsecured objects.

Locations impacted include...
Carrabelle, Eastpoint, Apalachicola, Woodville, Crawfordville,
Tallahassee, Franklin, Sopchoppy, Jewel Fire Tower, Shadeville, Leon
Sinks, Royal Bluff, Wakulla Springs, Eight Mile Pond, Beverly, Poplar
Camp, Bloxham, Bethel, Curtis Mill and Fort Gadsden.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building. 

&&

LAT...LON 2966 8525 3039 8466 3041 8462 3038 8409
      2973 8475
TIME...MOT...LOC 0821Z 227DEG 14KT 3020 8455 

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...30 MPH

$$

72-BUNKER

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 18, 10:37 PM ESTSpecial Weather StatementTAEHolmes38 min
Dec 19, 1:36 AM ESTSpecial Weather StatementTAEGulf, Liberty39 min
Dec 19, 2:27 AM ESTSpecial Weather StatementTAEWakulla48 min
Dec 19, 2:58 AM ESTSpecial Marine WarningTAE32 min
Dec 19, 2:30 AM ESTSpecial Weather StatementTAEBen Hill, Irwin, Tift30 min
Dec 19, 3:29 AM ESTSpecial Weather StatementTAEThomas46 min
Dec 19, 5:06 AM ESTSpecial Weather StatementTAEBrooks, Cook54 min
Dec 18, 7:39 PM ESTAreal Flood AdvisoryTAECoffee, Dale, Geneva, Henry3 hr
Dec 18, 10:08 PM ESTAreal Flood AdvisoryTAECoffee, Dale, Geneva, Houston3 hr

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.