Alert archive / Alabama / Special Weather Statements in 2015

Special Weather Statement, NWS Mobile, AL

May 27, 2015Crenshaw County, Alabama

NWS Mobile, AL issued this special weather statement at May 27, 2015, 3:28 PM CDT for Crenshaw County, Alabama. It was in force for 47 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 27, 2015, 3:28 PM CDT (20:28 UTC)
Expired: May 27, 2015, 4:15 PM CDT
In force: 47 min
Issued by: NWS Mobile, AL

County Crenshaw County, AL

The radar

The Maxwell AFB radar (KMXX), 86 km from the middle of the area, began a volume at 20:28 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 12:00Z, 8.5 hours before the alert went out and 144 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: 206 J/kg
Mixed-layer CIN: -53 J/kg
Mixed-layer LCL: 652 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 54 m²/s²
0-3 km storm-relative helicity: 70 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.7

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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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 27, 12:51 PM CDT, 2 hours 37 minutes earlier.

Area forecast discussion, May 27, 12:51 PM CDT, 2 hours 37 minutes before

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Hazardous weather outlook, May 27, 5:42 AM CDT, 9 hours 46 minutes before

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In the hours before

Special weather statement, May 27, 12:44 PM CDT, 2 hours 44 minutes before

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Special weather statement, May 27, 2:25 PM CDT, 1 hour 3 minutes before

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Special weather statement, May 27, 2:29 PM CDT, 59 minutes before

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Special weather statement, May 27, 3:21 PM CDT, 7 minutes before

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Special weather statement, May 27, 3:28 PM 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 26, 8:00 PM CDT	Dense Fog Advisory	MOB	Butler, Choctaw, Clarke, Conecuh, Covington, Crenshaw and 4 more	8 hr
May 27, 5:10 AM CDT	Special Marine Warning	MOB		95 min
May 27, 9:56 AM CDT	Rip Current Statement	MOB		21 hr
May 27, 12:44 PM CDT	Special Weather Statement	MOB	Clarke	61 min
May 27, 2:25 PM CDT	Special Weather Statement	MOB	Crenshaw	65 min
May 27, 2:29 PM CDT	Special Weather Statement	MOB	Conecuh	61 min
May 27, 3:21 PM CDT	Special Weather Statement	MOB	Butler	39 min
May 27, 5:05 AM CDT	Special Weather Statement	MOB	Escambia	55 min

Nearby

Special Weather Statements in Alabama, 2015 Every special weather statement in 2015

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.