Alert archive / Alabama / Special Weather Statements in 2014

Special Weather Statement, NWS Huntsville, AL

October 12, 2014Madison County, Alabama

NWS Huntsville, AL issued this special weather statement at Oct 12, 2014, 12:49 PM CDT for Madison County, Alabama. 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: Oct 12, 2014, 12:49 PM CDT (17:49 UTC)
Expired: Oct 12, 2014, 1:30 PM CDT
In force: 41 min
Issued by: NWS Huntsville, AL

County Madison County, AL

The radar

The Northeast Alabama radar (KHTX), 30 km from the middle of the area, began a volume at 17:51 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

Nashville Metro, TN (KBNA), launched 12:00Z, 5.8 hours before the alert went out and 149 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 476 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 105 m²/s²
0-3 km storm-relative helicity: 131 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 Huntsville, AL wrote its last area forecast discussion before this special weather statement went out at Oct 12, 12:38 PM CDT, 11 minutes earlier.

Area forecast discussion, Oct 12, 12:38 PM CDT, 11 minutes before

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Hazardous weather outlook, Oct 12, 11:16 AM CDT, 1 hour 33 minutes before

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In the hours before

Special weather statement, Oct 12, 11:22 AM CDT, 1 hour 27 minutes before

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Special weather statement, Oct 12, 12:11 PM CDT, 38 minutes before

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Special weather statement, Oct 12, 12:49 PM CDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 11, 8:03 PM CDT	Special Weather Statement	HUN	Cullman	27 min
Oct 11, 8:24 PM CDT	Severe Thunderstorm Warning	HUN	Cullman	36 min
Oct 12, 11:22 AM CDT	Special Weather Statement	HUN	Lawrence	38 min
Oct 12, 12:11 PM CDT	Special Weather Statement	HUN	Limestone	49 min
Oct 12, 1:02 PM CDT	Special Weather Statement	HUN	Madison	43 min
Oct 12, 1:12 PM CDT	Special Weather Statement	HUN	Marshall	48 min
Oct 12, 1:31 PM CDT	Special Weather Statement	HUN	Madison	44 min
Oct 12, 2:30 PM CDT	Special Weather Statement	HUN	Marshall	45 min
Oct 12, 3:06 PM CDT	Severe Thunderstorm Warning	HUN	DeKalb, Marshall	24 min
Oct 12, 3:30 PM CDT	Special Weather Statement	HUN	DeKalb	45 min
Oct 12, 3:58 PM CDT	Severe Thunderstorm Warning	HUN	DeKalb	47 min
Oct 12, 4:27 PM CDT	Special Weather Statement	HUN	DeKalb	33 min
Oct 12, 4:41 PM CDT	Special Weather Statement	HUN	Cullman	34 min
Oct 12, 5:18 PM CDT	Special Weather Statement	HUN	Marshall	27 min
Oct 12, 5:23 PM CDT	Special Weather Statement	HUN	Lawrence	37 min
Oct 12, 6:17 PM CDT	Special Weather Statement	HUN	DeKalb	28 min
Oct 12, 6:49 PM CDT	Special Weather Statement	HUN	DeKalb	26 min
Oct 12, 2:11 PM CDT	Special Weather Statement	HUN	Franklin	49 min

Nearby

Special Weather Statements in Alabama, 2014 Every special weather statement in 2014

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.