Alert archive / Tennessee / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 1, NWS Nashville, TN

January 1, 2022Stewart County, Tennessee

NWS Nashville, TN issued this severe thunderstorm warning at Jan 1, 2022, 2:20 AM CST for Stewart County, Tennessee. It was in force for 40 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: Jan 1, 2022, 2:20 AM CST (08:20 UTC)
Expired: Jan 1, 2022, 3:00 AM CST
In force: 40 min
Issued by: NWS Nashville, TN
Area: Storm-based polygon
Tornado: Possible
Hail: 0.75 in
Wind: 60.0 mph

County Stewart County, TN

The radar

The Ft Campbell radar (KHPX), 56 km from the middle of the area, began a volume at 08:23 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
Dec 31, 11:57 PM CST	Tornado Watch	SPC	7 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 8.3 hours before the alert went out and 118 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: 336 J/kg
Mixed-layer CIN: -83 J/kg
Mixed-layer LCL: 894 m above ground
0-6 km bulk shear: 79 kt
0-1 km storm-relative helicity: 223 m²/s²
0-3 km storm-relative helicity: 268 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 2.3

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 Dec 31, 10:40 PM CST, 3 hours 40 minutes earlier.

Area forecast discussion, Dec 31, 10:40 PM CST, 3 hours 40 minutes before

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Hazardous weather outlook, Dec 31, 5:55 PM CST, 8 hours 25 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
Jan 1, 2:55 AM CST	Special Weather Statement	OHX	Montgomery	50 min
Jan 1, 10:27 AM CST	Wind Advisory	OHX	Bedford, Cannon, Cheatham, Clay, Coffee, Cumberland and 32 more	6 hr
Jan 1, 10:37 AM CST	Severe Thunderstorm Warning	OHX	Montgomery, Stewart	38 min
Jan 1, 11:10 AM CST	Severe Thunderstorm Warning	OHX	Montgomery, Robertson	35 min
Jan 1, 11:30 AM CST	Severe Thunderstorm Warning	OHX	Houston, Humphreys	30 min
Jan 1, 11:59 AM CST	Severe Thunderstorm Warning	OHX	Hickman, Perry	31 min
Jan 1, 12:03 PM CST	Special Weather Statement	OHX	Pickett	27 min
Jan 1, 12:18 PM CST	Severe Thunderstorm Warning	OHX	Hickman, Humphreys, Perry	27 min
Jan 1, 12:28 PM CST	Tornado Warning	OHX	Dickson, Hickman, Humphreys	19 min
Jan 1, 12:43 PM CST	Severe Thunderstorm Warning	OHX	Hickman, Maury, Williamson	47 min
Jan 1, 12:56 PM CST	Tornado Warning	OHX	Hickman, Maury, Williamson	16 min
Jan 1, 1:02 PM CST	Severe Thunderstorm Warning	OHX	Clay, Davidson, Macon, Rutherford, Smith, Sumner and 3 more	43 min
Jan 1, 1:29 PM CST	Severe Thunderstorm Warning	OHX	Clay, Jackson, Macon, Smith, Wilson	31 min
Jan 1, 1:48 PM CST	Special Weather Statement	OHX	Bedford, Giles, Lawrence, Marshall	27 min
Jan 1, 1:57 PM CST	Special Weather Statement	OHX	Clay, Jackson, Pickett, Smith	48 min
Jan 1, 2:07 PM CST	Severe Thunderstorm Warning	OHX	Giles, Marshall	23 min
Jan 1, 2:25 PM CST	Severe Thunderstorm Warning	OHX	Clay, Fentress, Overton, Pickett	35 min
Jan 1, 2:53 PM CST	Severe Thunderstorm Warning	OHX	Bedford, Coffee	26 min
Jan 1, 3:18 PM CST	Special Weather Statement	OHX	Warren	42 min
Jan 1, 3:44 PM CST	Special Weather Statement	OHX	Marshall	31 min
Jan 1, 3:58 PM CST	Special Weather Statement	OHX	Giles	32 min
Jan 1, 4:11 PM CST	Severe Thunderstorm Warning	OHX	Giles	19 min
Jan 1, 4:14 PM CST	Tornado Warning	OHX	Giles	16 min
Jan 1, 4:17 PM CST	Special Weather Statement	OHX	Van Buren, Warren	43 min
Jan 1, 5:02 PM CST	Special Weather Statement	OHX	Coffee	43 min
Jan 1, 5:08 PM CST	Severe Thunderstorm Warning	OHX	Bedford, Coffee, Grundy, Warren	37 min
Jan 1, 5:14 PM CST	Special Weather Statement	OHX	Cumberland	46 min
Jan 1, 5:35 PM CST	Special Weather Statement	OHX	Giles	25 min
Jan 1, 5:39 PM CST	Severe Thunderstorm Warning	OHX	Coffee, Grundy, Van Buren, Warren	36 min
Jan 1, 5:51 PM CST	Severe Thunderstorm Warning	OHX	Coffee, Grundy, Warren	24 min

Nearby

Severe Thunderstorm Warnings in Tennessee, 2022 Every severe thunderstorm warning in 2022

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.