Alert archive / Tennessee / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 54, NWS Nashville, TN

June 20, 20194 counties in Tennessee

NWS Nashville, TN issued this severe thunderstorm warning at Jun 20, 2019, 2:43 PM CDT for 4 counties in Tennessee. It was in force for 32 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: Jun 20, 2019, 2:43 PM CDT (19:43 UTC)
Expired: Jun 20, 2019, 3:15 PM CDT
In force: 32 min
Issued by: NWS Nashville, TN
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Clay County, TN, Jackson County, TN, Macon County, TN, Smith County, TN

The radar

The Nashville radar (KOHX), 71 km from the middle of the area, began a volume at 19:47 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, 7.7 hours before the alert went out and 79 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: 73 J/kg
Mixed-layer CIN: -95 J/kg
Mixed-layer LCL: 946 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 119 m²/s²
0-3 km storm-relative helicity: 108 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.5

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 Jun 20, 2:19 PM CDT, 24 minutes earlier.

Area forecast discussion, Jun 20, 2:19 PM CDT, 24 minutes before

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Hazardous weather outlook, Jun 20, 10:56 AM CDT, 3 hours 47 minutes before

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In the hours before

Special weather statement, Jun 20, 2:19 PM CDT, 24 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
Jun 19, 7:23 PM CDT	Special Weather Statement	OHX	Davidson	37 min
Jun 19, 7:27 PM CDT	Special Weather Statement	OHX	Williamson	33 min
Jun 19, 7:34 PM CDT	Severe Thunderstorm Warning	OHX	Davidson, Rutherford, Williamson, Wilson	26 min
Jun 19, 7:54 PM CDT	Severe Thunderstorm Warning	OHX	Hickman, Humphreys, Perry	51 min
Jun 19, 7:58 PM CDT	Severe Thunderstorm Warning	OHX	Cannon, Davidson, Rutherford, Williamson, Wilson	62 min
Jun 19, 8:18 PM CDT	Special Weather Statement	OHX	Maury	42 min
Jun 19, 8:25 PM CDT	Severe Thunderstorm Warning	OHX	DeKalb, Smith, Wilson	35 min
Jun 19, 8:31 PM CDT	Severe Thunderstorm Warning	OHX	Cannon, DeKalb, Rutherford, Wilson	44 min
Jun 19, 8:46 PM CDT	Special Weather Statement	OHX	Bedford	44 min
Jun 19, 8:56 PM CDT	Severe Thunderstorm Warning	OHX	Bedford, Cannon, Coffee, DeKalb, Marshall, Rutherford and 2 more	34 min
Jun 19, 9:04 PM CDT	Special Weather Statement	OHX	Jackson, Putnam	41 min
Jun 19, 9:17 PM CDT	Severe Thunderstorm Warning	OHX	Jackson, Overton, Putnam	43 min
Jun 19, 9:29 PM CDT	Special Weather Statement	OHX	Cumberland, Putnam, White	61 min
Jun 19, 9:39 PM CDT	Special Weather Statement	OHX	Coffee	36 min
Jun 19, 9:50 PM CDT	Severe Thunderstorm Warning	OHX	Fentress, Overton, Pickett	40 min
Jun 19, 10:01 PM CDT	Severe Thunderstorm Warning	OHX	Cumberland, Fentress, Overton, Putnam, Van Buren, White	47 min
Jun 19, 10:04 PM CDT	Severe Thunderstorm Warning	OHX	Coffee, Grundy, Warren	26 min
Jun 20, 1:51 AM CDT	Special Weather Statement	OHX	Hickman	24 min
Jun 20, 2:19 AM CDT	Special Weather Statement	OHX	Perry	41 min
Jun 20, 2:21 AM CDT	Special Weather Statement	OHX	Humphreys	39 min
Jun 20, 2:46 AM CDT	Special Weather Statement	OHX	Williamson	44 min
Jun 20, 2:48 AM CDT	Special Weather Statement	OHX	Dickson	42 min
Jun 20, 2:58 AM CDT	Special Weather Statement	OHX	Giles, Marshall, Maury	47 min
Jun 20, 3:03 AM CDT	Severe Thunderstorm Warning	OHX	Marshall, Maury, Williamson	27 min
Jun 20, 3:28 AM CDT	Severe Thunderstorm Warning	OHX	Rutherford, Williamson	20 min
Jun 20, 4:35 AM CDT	Special Weather Statement	OHX	Grundy	40 min
Jun 20, 7:21 AM CDT	Special Weather Statement	OHX	Cheatham, Montgomery, Robertson	39 min
Jun 20, 2:19 PM CDT	Special Weather Statement	OHX	Macon, Trousdale	41 min
Jun 20, 3:11 PM CDT	Special Weather Statement	OHX	Jackson	49 min
Jun 20, 3:17 PM CDT	Special Weather Statement	OHX	Cumberland	43 min
Jun 20, 3:35 PM CDT	Special Weather Statement	OHX	Jackson	40 min
Jun 20, 4:48 PM CDT	Special Weather Statement	OHX	Cumberland	42 min
Jun 20, 5:08 PM CDT	Tornado Warning	OHX	Cumberland, White	16 min

Nearby

Severe Thunderstorm Warnings in Tennessee, 2019 Every severe thunderstorm warning in 2019

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.