Alert archive / Tennessee / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 224, NWS Nashville, TN

August 13, 2023Cannon County, DeKalb County, Warren County, Tennessee

NWS Nashville, TN issued this severe thunderstorm warning at Aug 13, 2023, 4:34 PM CDT for Cannon County, DeKalb County, Warren County, Tennessee. 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 counties it named.

The facts

Issued: Aug 13, 2023, 4:34 PM CDT (21:34 UTC)
Expired: Aug 13, 2023, 5:15 PM CDT
In force: 41 min
Issued by: NWS Nashville, TN
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Cannon County, TN, DeKalb County, TN, Warren County, TN

The radar

The Nashville radar (KOHX), 77 km from the middle of the area, began a volume at 21:35 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Aug 13, 1:35 PM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 9.6 hours before the alert went out and 72 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: 64 J/kg
Mixed-layer CIN: -109 J/kg
Mixed-layer LCL: 864 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: 83 m²/s²
0-3 km storm-relative helicity: 80 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 Aug 13, 2:21 PM CDT, 2 hours 13 minutes earlier.

Area forecast discussion, Aug 13, 2:21 PM CDT, 2 hours 13 minutes before

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In the hours before

Local storm report, Aug 13, 4:10 PM CDT, 24 minutes before

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Local storm report, Aug 13, 4:11 PM CDT, 23 minutes before

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Local storm report, Aug 13, 4:15 PM CDT, 19 minutes before

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Local storm report, Aug 13, 4:16 PM CDT, 18 minutes before

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Local storm report, Aug 13, 4:24 PM CDT, 10 minutes before

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Special weather statement, Aug 13, 4:27 PM CDT, 7 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
Aug 13, 3:10 AM CDT	Dense Fog Advisory	OHX	Bedford, Cannon, Cheatham, Clay, Coffee, Cumberland and 32 more	5 hr
Aug 13, 1:30 PM CDT	Special Weather Statement	OHX	Houston, Humphreys, Stewart	45 min
Aug 13, 1:43 PM CDT	Severe Thunderstorm Warning	OHX	Houston, Humphreys, Stewart	47 min
Aug 13, 1:59 PM CDT	Special Weather Statement	OHX	Perry, Wayne	46 min
Aug 13, 2:09 PM CDT	Severe Thunderstorm Warning	OHX	Cheatham, Dickson, Hickman, Houston, Montgomery, Robertson and 1 more	51 min
Aug 13, 2:40 PM CDT	Special Weather Statement	OHX	Hickman, Lewis, Maury	50 min
Aug 13, 2:57 PM CDT	Severe Thunderstorm Warning	OHX	Cheatham, Davidson, Dickson, Robertson, Rutherford, Sumner and 2 more	48 min
Aug 13, 3:04 PM CDT	Special Weather Statement	OHX	Robertson	41 min
Aug 13, 3:17 PM CDT	Special Weather Statement	OHX	Bedford, Giles, Marshall, Maury, Rutherford	43 min
Aug 13, 3:44 PM CDT	Special Weather Statement	OHX	Davidson, DeKalb, Smith, Sumner, Trousdale, Wilson	46 min
Aug 13, 3:47 PM CDT	Areal Flood Advisory	OHX	Lawrence	118 min
Aug 13, 3:58 PM CDT	Special Weather Statement	OHX	Bedford, Cannon, Coffee, Marshall, Rutherford	47 min
Aug 13, 4:27 PM CDT	Special Weather Statement	OHX	Cannon, DeKalb, Warren	48 min
Aug 13, 5:11 PM CDT	Special Weather Statement	OHX	DeKalb, Van Buren, Warren, White	49 min
Aug 13, 5:35 PM CDT	Special Weather Statement	OHX	Putnam	55 min
Aug 13, 6:29 PM CDT	Special Weather Statement	OHX	Fentress	31 min

Nearby

Severe Thunderstorm Warnings in Tennessee, 2023 Every severe thunderstorm warning in 2023

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.