Alert archive / Tennessee / Special Weather Statements in 2012

Special Weather Statement, NWS Nashville, TN

February 22, 2012Cheatham County, Davidson County, Tennessee

NWS Nashville, TN issued this special weather statement at Feb 22, 2012, 6:36 AM CST for Cheatham County, Davidson County, 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: Feb 22, 2012, 6:36 AM CST (12:36 UTC)
Expired: Feb 22, 2012, 7:00 AM CST
In force: 24 min
Issued by: NWS Nashville, TN

Counties Cheatham County, TN, Davidson County, TN

The radar

The Nashville radar (KOHX), 21 km from the middle of the area, began a volume at 12:40 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, 0.6 hours before the alert went out and 23 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: 2212 m above ground
0-6 km bulk shear: 91 kt
0-1 km storm-relative helicity: 217 m²/s²
0-3 km storm-relative helicity: 295 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
Feb 22, 7:14 AM CST	Special Weather Statement	OHX	Bedford, Cannon, Clay, Coffee, DeKalb, Jackson and 12 more	61 min
Feb 22, 5:27 PM CST	Special Weather Statement	OHX	Warren	48 min
Feb 22, 5:39 PM CST	Severe Thunderstorm Warning	OHX	Cumberland, Van Buren, Warren, White	51 min
Feb 22, 5:47 PM CST	Tornado Warning	OHX	Cumberland, Van Buren, Warren, White	58 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.