Alert archive / Tennessee / Special Weather Statements in 2012

Special Weather Statement, NWS Nashville, TN

March 23, 20124 counties in Tennessee

NWS Nashville, TN issued this special weather statement at Mar 23, 2012, 10:06 PM CDT for 4 counties in Tennessee. It was in force for 24 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: Mar 23, 2012, 10:06 PM CDT (03:06 UTC)
Expired: Mar 23, 2012, 10:30 PM CDT
In force: 24 min
Issued by: NWS Nashville, TN

Counties Cumberland County, TN, Overton County, TN, Putnam County, TN, White County, TN

The radar

The Nashville radar (KOHX), 130 km from the middle of the area, began a volume at 03:06 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 00:00Z, 3.1 hours before the alert went out and 132 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: 26 J/kg
Mixed-layer CIN: -5 J/kg
Mixed-layer LCL: 2498 m above ground
0-6 km bulk shear: 50 kt
0-1 km storm-relative helicity: 71 m²/s²
0-3 km storm-relative helicity: 128 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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The office that day

Everything else NWS Nashville, TN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Mar 23, 7:50 PM CDT	Special Weather Statement	OHX	Davidson, Sumner, Trousdale	55 min
Mar 23, 8:30 PM CDT	Special Weather Statement	OHX	Clay	30 min
Mar 23, 9:22 PM CDT	Special Weather Statement	OHX	Van Buren, Warren	53 min
Mar 23, 10:37 PM CDT	Severe Thunderstorm Warning	OHX	Fentress, Overton, Pickett, Putnam	23 min
Mar 23, 11:15 PM CDT	Special Weather Statement	OHX	Van Buren	30 min
Mar 23, 11:18 PM CDT	Severe Thunderstorm Warning	OHX	Cumberland, Van Buren, White	27 min

Nearby

Special Weather Statements in Tennessee, 2012 Every special weather statement in 2012

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.