Alert archive / Alabama / Special Weather Statements in 2016

Special Weather Statement, NWS Mobile, AL

August 13, 2016Butler County, Conecuh County, Monroe County, Alabama

NWS Mobile, AL issued this special weather statement at Aug 13, 2016, 11:45 AM CDT for Butler County, Conecuh County, Monroe County, Alabama. It was in force for 45 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: Aug 13, 2016, 11:45 AM CDT (16:45 UTC)
Expired: Aug 13, 2016, 12:30 PM CDT
In force: 45 min
Issued by: NWS Mobile, AL

Counties Butler County, AL, Conecuh County, AL, Monroe County, AL

The radar

The Ft Rucker radar (KEOX), 140 km from the middle of the area, began a volume at 16:44 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, 4.8 hours before the alert went out and 282 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: 856 J/kg
Mixed-layer CIN: -49 J/kg
Mixed-layer LCL: 908 m above ground
0-6 km bulk shear: 17 kt
0-1 km storm-relative helicity: 35 m²/s²
0-3 km storm-relative helicity: 64 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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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 Aug 13, 9:53 AM CDT, 1 hour 52 minutes earlier.

Area forecast discussion, Aug 13, 9:53 AM CDT, 1 hour 52 minutes before

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Hazardous weather outlook, Aug 13, 4:56 AM CDT, 6 hours 49 minutes before

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In the hours before

Special weather statement, Aug 13, 7:23 AM CDT, 4 hours 22 minutes before

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Special weather statement, Aug 13, 11:45 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
Aug 13, 7:23 AM CDT	Special Weather Statement	MOB	Mobile	52 min
Aug 13, 7:26 AM CDT	Special Marine Warning	MOB		64 min
Aug 13, 8:29 AM CDT	Special Marine Warning	MOB		91 min
Aug 13, 12:23 PM CDT	Special Marine Warning	MOB		67 min
Aug 13, 12:27 PM CDT	Special Marine Warning	MOB		63 min
Aug 13, 12:38 PM CDT	Special Weather Statement	MOB	Butler	52 min
Aug 13, 1:24 PM CDT	Special Marine Warning	MOB		66 min
Aug 13, 1:46 PM CDT	Special Marine Warning	MOB		59 min
Aug 13, 2:28 PM CDT	Special Weather Statement	MOB	Escambia	47 min
Aug 13, 3:22 PM CDT	Special Marine Warning	MOB		53 min
Aug 13, 1:45 PM CDT	Special Weather Statement	MOB	Escambia	45 min

Nearby

Special Weather Statements in Alabama, 2016 Every special weather statement in 2016

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.