Alert archive / Florida / Special Weather Statements in 2018

Special Weather Statement, NWS Mobile, AL

July 29, 2018Okaloosa County, Florida

NWS Mobile, AL issued this special weather statement at Jul 29, 2018, 8:54 AM CDT for Okaloosa County, Florida. It was in force for 51 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 29, 2018, 8:54 AM CDT (13:54 UTC)
Expired: Jul 29, 2018, 9:45 AM CDT
In force: 51 min
Issued by: NWS Mobile, AL

County Okaloosa County, FL

The radar

The Eglin Afb radar (KEVX), 78 km from the middle of the area, began a volume at 13:55 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, 1.9 hours before the alert went out and 232 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: 1555 J/kg
Mixed-layer CIN: -24 J/kg
Mixed-layer LCL: 803 m above ground
0-6 km bulk shear: 5 kt
0-1 km storm-relative helicity: -20 m²/s²
0-3 km storm-relative helicity: -4 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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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 28, 8:09 PM CDT	Special Weather Statement	MOB	Mobile	51 min
Jul 29, 9:01 AM CDT	Special Marine Warning	MOB		59 min
Jul 29, 9:34 AM CDT	Special Marine Warning	MOB		42 min
Jul 29, 12:37 PM CDT	Special Marine Warning	MOB		53 min
Jul 29, 2:07 PM CDT	Special Weather Statement	MOB	Escambia	23 min
Jul 29, 3:24 PM CDT	Special Weather Statement	MOB	Washington	21 min
Jul 28, 7:33 PM CDT	Special Weather Statement	MOB	Stone	42 min
Jul 28, 7:43 PM CDT	Special Weather Statement	MOB	George	47 min

Nearby

Special Weather Statements in Florida, 2018 Every special weather statement in 2018

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.