Alert archive / Tennessee / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 375, NWS Nashville, TN

November 25, 20105 counties in Tennessee

NWS Nashville, TN issued this severe thunderstorm warning at Nov 25, 2010, 4:27 PM CST for 5 counties in Tennessee. It was in force for 48 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Nov 25, 2010, 4:27 PM CST (22:27 UTC)
Expired: Nov 25, 2010, 5:15 PM CST
In force: 48 min
Issued by: NWS Nashville, TN
Area: Storm-based polygon

Counties Cheatham County, TN, Davidson County, TN, Macon County, TN, Robertson County, TN, Sumner County, TN

The radar

The Nashville radar (KOHX), 18 km from the middle of the area, began a volume at 22:28 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

Nashville Metro, TN (KBNA), launched 12:00Z, 10.5 hours before the alert went out and 29 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: 15 J/kg
Mixed-layer CIN: -8 J/kg
Mixed-layer LCL: 717 m above ground
0-6 km bulk shear: 60 kt
0-1 km storm-relative helicity: 324 m²/s²
0-3 km storm-relative helicity: 336 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Nashville, TN wrote its last area forecast discussion before this severe thunderstorm warning went out at Nov 25, 3:37 PM CST, 50 minutes earlier.

Area forecast discussion, Nov 25, 3:37 PM CST, 50 minutes before

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Hazardous weather outlook, Nov 25, 8:35 AM CST, 7 hours 52 minutes before

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In the hours before

Local storm report, Nov 25, 4:01 PM CST, 26 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 25, 2:47 AM CST	Wind Advisory	OHX	Bedford, Benton, Cannon, Cheatham, Clay, Coffee and 33 more	15 hr
Nov 25, 2:50 PM CST	Severe Thunderstorm Warning	OHX	Stewart	25 min
Nov 25, 3:16 PM CST	Severe Thunderstorm Warning	OHX	Houston, Stewart	29 min
Nov 25, 3:28 PM CST	Severe Thunderstorm Warning	OHX	Montgomery	32 min
Nov 25, 3:57 PM CST	Severe Thunderstorm Warning	OHX	Robertson	33 min

Nearby

Severe Thunderstorm Warnings in Tennessee, 2010 Every severe thunderstorm warning in 2010

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.