Alert archive / Florida / Special Weather Statements in 2021

Special Weather Statement, NWS Tallahassee, FL

July 13, 2021Holmes County, Florida

NWS Tallahassee, FL issued this special weather statement at Jul 13, 2021, 3:16 PM CDT for Holmes County, Florida. It was in force for 29 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 13, 2021, 3:16 PM CDT (20:16 UTC)
Expired: Jul 13, 2021, 3:45 PM CDT
In force: 29 min
Issued by: NWS Tallahassee, FL

County Holmes County, FL

The radar

The Eglin Afb radar (KEVX), 38 km from the middle of the area, began a volume at 20:18 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, 8.3 hours before the alert went out and 140 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: 285 J/kg
Mixed-layer CIN: -93 J/kg
Mixed-layer LCL: 1055 m above ground
0-6 km bulk shear: 8 kt
0-1 km storm-relative helicity: 7 m²/s²
0-3 km storm-relative helicity: 17 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

842 
WWUS82 KTAE 132016
SPSTAE

Special Weather Statement
National Weather Service Tallahassee FL
316 PM CDT Tue Jul 13 2021
 
FLZ009-010-132045-
Holmes FL-Washington FL-
316 PM CDT Tue Jul 13 2021

...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL HOLMES AND NORTHEASTERN
WASHINGTON COUNTIES UNTIL 345 PM CDT...

At 316 PM CDT, Doppler radar was tracking a strong thunderstorm near
Bonifay, moving northwest at 10 mph.

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

Locations impacted include...
Vernon, Bonifay, Chipley, Caryville, Westville, Miller Crossroads,
Brock Crossroad, Whitehead Crossroads, Cerrogordo, Bethlehem,
Prosperity, Gritney, Arrant Settlement, Five Points, Ards Crossroads,
Hulaw, Hickory Hill, Izagora, Baker Settlement and Poplar Head.

LAT...LON 3099 8569 3084 8560 3083 8560 3083 8559
      3073 8553 3062 8569 3087 8601
TIME...MOT...LOC 2016Z 141DEG 8KT 3074 8567 

$$

42-DVD

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 12, 7:32 PM CDT	Areal Flood Advisory	TAE	Bay, Holmes, Jackson, Walton, Washington	118 min
Jul 12, 10:00 PM CDT	Areal Flood Advisory	TAE	Holmes, Jackson, Walton, Washington	3 hr
Jul 13, 1:52 PM CDT	Special Weather Statement	TAE	Washington	38 min
Jul 13, 1:54 PM CDT	Special Marine Warning	TAE		36 min
Jul 13, 4:40 PM CDT	Special Weather Statement	TAE	Dixie	35 min
Jul 13, 5:03 PM CDT	Special Weather Statement	TAE	Taylor	42 min
Jul 13, 5:05 PM CDT	Special Weather Statement	TAE	Jefferson	40 min
Jul 13, 5:24 PM CDT	Special Weather Statement	TAE	Dixie	36 min
Jul 13, 5:34 PM CDT	Special Marine Warning	TAE		66 min
Jul 13, 5:47 PM CDT	Special Weather Statement	TAE	Taylor	28 min
Jul 12, 8:28 PM CDT	Special Weather Statement	TAE	Colquitt	47 min
Jul 12, 9:01 PM CDT	Special Weather Statement	TAE	Lee, Tift, Turner, Worth	74 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.