Alert archive / Florida / Special Weather Statements in 2018

Special Weather Statement, NWS Mobile, AL

December 1, 2018Escambia County, Florida

NWS Mobile, AL issued this special weather statement at Dec 1, 2018, 5:34 PM CST for Escambia County, Florida. It was in force for 41 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 1, 2018, 5:34 PM CST (23:34 UTC)
Expired: Dec 1, 2018, 6:15 PM CST
In force: 41 min
Issued by: NWS Mobile, AL

County Escambia County, FL

The radar

The Mobile radar (KMOB), 74 km from the middle of the area, began a volume at 23:37 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

Slidell Radar S, LA (KSIL), launched 12:00Z, 11.6 hours before the alert went out and 208 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: 1669 J/kg
Mixed-layer CIN: -12 J/kg
Mixed-layer LCL: 460 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 288 m²/s²
0-3 km storm-relative helicity: 274 m²/s²
Significant tornado parameter: 2.2
Supercell composite: 11.1

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 Mobile, AL wrote its last area forecast discussion before this special weather statement went out at Dec 1, 4:16 PM CST, 1 hour 18 minutes earlier.

Area forecast discussion, Dec 1, 4:16 PM CST, 1 hour 18 minutes before

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Hazardous weather outlook, Dec 1, 3:54 PM CST, 1 hour 40 minutes before

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In the hours before

Local storm report, Dec 1, 3:07 PM CST, 2 hours 27 minutes before

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Local storm report, Dec 1, 4:38 PM CST, 56 minutes before

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Local storm report, Dec 1, 4:43 PM CST, 51 minutes before

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Special weather statement, Dec 1, 4:51 PM CST, 43 minutes before

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Local storm report, Dec 1, 5:11 PM CST, 23 minutes before

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Special weather statement, Dec 1, 5:34 PM CST, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 1, 3:33 AM CST	Special Marine Warning	MOB		87 min
Dec 1, 3:42 AM CST	Special Marine Warning	MOB		93 min
Dec 1, 3:48 AM CST	Special Weather Statement	MOB	Mobile	57 min
Dec 1, 5:31 AM CST	Special Marine Warning	MOB		14 min
Dec 1, 7:10 AM CST	Special Marine Warning	MOB		55 min
Dec 1, 8:31 AM CST	Special Marine Warning	MOB		89 min
Dec 1, 10:00 AM CST	Special Marine Warning	MOB		2 hr
Dec 1, 11:55 AM CST	Special Marine Warning	MOB		35 min
Dec 1, 12:33 PM CST	Areal Flood Advisory	MOB	Baldwin	3 hr
Dec 1, 12:37 PM CST	Special Marine Warning	MOB		23 min
Dec 1, 1:15 PM CST	Flash Flood Warning	MOB	Baldwin	6 hr
Dec 1, 2:01 PM CST	Special Marine Warning	MOB		27 min
Dec 1, 4:52 PM CST	Special Marine Warning	MOB		83 min
Dec 1, 5:31 PM CST	Special Marine Warning	MOB		89 min
Dec 1, 5:33 AM CST	Special Weather Statement	MOB	Escambia	42 min
Dec 1, 12:34 PM CST	Special Weather Statement	MOB	Escambia, Santa Rosa	41 min
Dec 1, 4:51 PM CST	Special Weather Statement	MOB	Okaloosa	39 min
Dec 1, 5:16 PM CST	Areal Flood Advisory	MOB	Okaloosa	3 hr
Dec 1, 5:35 PM CST	Special Weather Statement	MOB	Okaloosa	40 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.