Alert archive / Florida / Special Weather Statements in 2021

Special Weather Statement, NWS Mobile, AL

July 28, 2021Okaloosa County, Florida

NWS Mobile, AL issued this special weather statement at Jul 28, 2021, 3:21 PM CDT for Okaloosa 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: Jul 28, 2021, 3:21 PM CDT (20:21 UTC)
Expired: Jul 28, 2021, 4:00 PM CDT
In force: 39 min
Issued by: NWS Mobile, AL

County Okaloosa County, FL

The radar

The Eglin Afb radar (KEVX), 58 km from the middle of the area, began a volume at 20:20 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, 8.4 hours before the alert went out and 214 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: 679 J/kg
Mixed-layer CIN: -82 J/kg
Mixed-layer LCL: 861 m above ground
0-6 km bulk shear: 13 kt
0-1 km storm-relative helicity: 24 m²/s²
0-3 km storm-relative helicity: 20 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

463 
WWUS84 KMOB 282021
SPSMOB

Special Weather Statement
National Weather Service Mobile AL
321 PM CDT Wed Jul 28 2021
 
FLZ205-282100-
Okaloosa Inland FL-
321 PM CDT Wed Jul 28 2021

...A STRONG THUNDERSTORM WILL AFFECT THE FOLLOWING COUNTIES...
NORTHEASTERN OKALOOSA COUNTY UNTIL 400 PM CDT...

At 320 PM CDT, the strong thunderstorm was located 11 miles northwest
of Eglin Air Force Base, or 12 miles east of Crestview, moving west
at 15 mph.

Pea size hail and wind gusts of 40 to 50 mph will be possible with 
this storm.

Locations impacted include...
Crestview.

LAT...LON 3057 8659 3086 8660 3085 8639 3063 8639
TIME...MOT...LOC 2020Z 075DEG 11KT 3075 8637 

$$

JLH

The office that day

Everything else NWS Mobile, AL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 27, 8:06 PM CDT	Special Weather Statement	MOB	Choctaw	39 min
Jul 27, 8:26 PM CDT	Areal Flood Advisory	MOB	Choctaw	3 hr
Jul 27, 9:49 PM CDT	Special Weather Statement	MOB	Washington	41 min
Jul 27, 10:12 PM CDT	Areal Flood Advisory	MOB	Mobile, Washington	3 hr
Jul 28, 2:13 AM CDT	Heat Advisory	MOB	Butler, Choctaw, Clarke, Conecuh, Covington, Crenshaw and 4 more	16 hr
Jul 28, 1:46 PM CDT	Heat Advisory	MOB	Baldwin, Butler, Choctaw, Clarke, Conecuh, Covington and 6 more	44 hr
Jul 28, 1:46 PM CDT	Heat Advisory	MOB	Baldwin, Butler, Choctaw, Clarke, Conecuh, Covington and 6 more	4 days
Jul 28, 4:37 PM CDT	Special Weather Statement	MOB	Covington	38 min
Jul 28, 5:16 PM CDT	Areal Flood Advisory	MOB	Covington	3 hr
Jul 28, 5:16 PM CDT	Special Weather Statement	MOB	Covington	44 min
Jul 28, 5:29 PM CDT	Areal Flood Advisory	MOB	Conecuh, Covington	3 hr
Jul 28, 5:34 PM CDT	Special Weather Statement	MOB	Mobile	41 min
Jul 28, 5:39 PM CDT	Areal Flood Advisory	MOB	Covington, Escambia	3 hr
Jul 28, 6:24 PM CDT	Special Weather Statement	MOB	Escambia	51 min
Jul 28, 6:26 PM CDT	Special Weather Statement	MOB	Baldwin	49 min
Jul 28, 6:48 PM CDT	Areal Flood Advisory	MOB	Escambia	3 hr
Jul 28, 6:54 PM CDT	Special Weather Statement	MOB	Escambia	51 min
Jul 28, 3:27 PM CDT	Special Weather Statement	MOB	Santa Rosa	48 min
Jul 28, 3:37 PM CDT	Severe Thunderstorm Warning	MOB	Okaloosa, Santa Rosa	23 min
Jul 28, 3:55 PM CDT	Special Weather Statement	MOB	Okaloosa	50 min
Jul 28, 3:58 PM CDT	Severe Thunderstorm Warning	MOB	Santa Rosa	32 min
Jul 28, 4:08 PM CDT	Areal Flood Advisory	MOB	Okaloosa	14 min
Jul 28, 4:22 PM CDT	Flash Flood Warning	MOB	Okaloosa	5 hr
Jul 28, 4:32 PM CDT	Special Weather Statement	MOB	Santa Rosa	43 min
Jul 28, 4:33 PM CDT	Areal Flood Advisory	MOB	Santa Rosa	3 hr
Jul 27, 11:00 PM CDT	Special Weather Statement	MOB	Greene	45 min
Jul 27, 11:21 PM CDT	Areal Flood Advisory	MOB	Greene, Perry, Wayne	3 hr
Jul 27, 11:48 PM CDT	Special Weather Statement	MOB	George, Perry	57 min
Jul 28, 5:56 PM CDT	Special Weather Statement	MOB	Perry	34 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.