Alert archive / Alabama / Special Weather Statements in 2017

Special Weather Statement, NWS Mobile, AL

May 29, 2017Covington County, Alabama; Okaloosa County, Florida

NWS Mobile, AL issued this special weather statement at May 29, 2017, 6:59 AM CDT for Covington County, Alabama; Okaloosa County, Florida. It was in force for 61 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: May 29, 2017, 6:59 AM CDT (11:59 UTC)
Expired: May 29, 2017, 8:00 AM CDT
In force: 61 min
Issued by: NWS Mobile, AL

Counties Covington County, AL, Okaloosa County, FL

The radar

The Eglin Afb radar (KEVX), 72 km from the middle of the area, began a volume at 12:02 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

Birmingham, AL (KBMX), launched 00:00Z, 12.0 hours before the alert went out and 244 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: 49 J/kg
Mixed-layer CIN: -397 J/kg
Mixed-layer LCL: 1480 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 128 m²/s²
0-3 km storm-relative helicity: 1 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.9

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 May 29, 6:51 AM CDT, 8 minutes earlier.

Area forecast discussion, May 29, 6:51 AM CDT, 8 minutes before

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Hazardous weather outlook, May 29, 6:11 AM CDT, 48 minutes before

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In the hours before

Special weather statement, May 29, 4:42 AM CDT, 2 hours 17 minutes before

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Special weather statement, May 29, 5:13 AM CDT, 1 hour 46 minutes before

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Special weather statement, May 29, 5:28 AM CDT, 1 hour 31 minutes before

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Special weather statement, May 29, 5:58 AM CDT, 1 hour 1 minute before

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Special weather statement, May 29, 6:10 AM CDT, 49 minutes before

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Special weather statement, May 29, 6:59 AM CDT, 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
May 29, 1:56 AM CDT	Special Weather Statement	MOB	Choctaw, Clarke, Wilcox	64 min
May 29, 4:05 AM CDT	Special Marine Warning	MOB		85 min
May 29, 5:13 AM CDT	Special Weather Statement	MOB	Baldwin	62 min
May 29, 5:25 AM CDT	Special Marine Warning	MOB		50 min
May 29, 6:04 AM CDT	Special Marine Warning	MOB		86 min
May 29, 6:10 AM CDT	Special Weather Statement	MOB	Escambia	65 min
May 29, 4:42 AM CDT	Special Weather Statement	MOB	Escambia	63 min
May 29, 5:28 AM CDT	Special Weather Statement	MOB	Okaloosa, Santa Rosa	77 min
May 29, 5:58 AM CDT	Special Weather Statement	MOB	Escambia	62 min

Nearby

Special Weather Statements in Alabama, 2017 Special Weather Statements in Florida, 2017 Every special weather statement in 2017

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.