Alert archive / Tennessee / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 67, NWS Morristown, TN

June 22, 2019Marion County, Tennessee

NWS Morristown, TN issued this severe thunderstorm warning at Jun 22, 2019, 6:23 PM CDT for Marion County, Tennessee. It was in force for 52 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 22, 2019, 6:23 PM CDT (23:23 UTC)
Expired: Jun 22, 2019, 7:15 PM CDT
In force: 52 min
Issued by: NWS Morristown, TN
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

County Marion County, TN

The radar

The Northeast Alabama radar (KHTX), 47 km from the middle of the area, began a volume at 23:23 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 nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 11.4 hours before the alert went out and 142 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: 477 J/kg
Mixed-layer CIN: -338 J/kg
Mixed-layer LCL: 1237 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: 230 m²/s²
0-3 km storm-relative helicity: 204 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.9

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 Morristown, TN wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 22, 2:33 PM CDT, 3 hours 50 minutes earlier.

Area forecast discussion, Jun 22, 2:33 PM CDT, 3 hours 50 minutes before

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Hazardous weather outlook, Jun 22, 2:41 PM CDT, 3 hours 42 minutes before

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In the hours before

Special weather statement, Jun 22, 12:41 PM CDT, 5 hours 42 minutes before

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Special weather statement, Jun 22, 1:27 PM CDT, 4 hours 56 minutes before

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Special weather statement, Jun 22, 1:33 PM CDT, 4 hours 50 minutes before

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Local storm report, Jun 22, 4:33 PM CDT, 1 hour 50 minutes before

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Special weather statement, Jun 22, 6:04 PM CDT, 19 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 21, 9:03 PM CDT	Special Weather Statement	MRX	Greene, Washington	42 min
Jun 21, 9:17 PM CDT	Severe Thunderstorm Warning	MRX	Morgan, Scott	58 min
Jun 21, 9:29 PM CDT	Severe Thunderstorm Warning	MRX	Bledsoe, Hamilton, Meigs, Rhea, Sequatchie	61 min
Jun 21, 9:32 PM CDT	Severe Thunderstorm Warning	MRX	Hamilton, Marion, Sequatchie	58 min
Jun 21, 9:45 PM CDT	Severe Thunderstorm Warning	MRX	Roane	45 min
Jun 21, 9:53 PM CDT	Severe Thunderstorm Warning	MRX	Anderson, Campbell	37 min
Jun 21, 10:11 PM CDT	Severe Thunderstorm Warning	MRX	Blount, Loudon, McMinn, Meigs, Monroe, Roane	64 min
Jun 21, 10:15 PM CDT	Severe Thunderstorm Warning	MRX	Claiborne, Knox, Union	45 min
Jun 21, 10:19 PM CDT	Severe Thunderstorm Warning	MRX	Anderson, Blount, Knox	41 min
Jun 21, 10:25 PM CDT	Severe Thunderstorm Warning	MRX	Bradley, Hamilton, McMinn, Meigs, Monroe, Polk and 1 more	65 min
Jun 21, 10:37 PM CDT	Severe Thunderstorm Warning	MRX	Blount, Claiborne, Grainger, Hancock, Jefferson, Knox and 1 more	38 min
Jun 21, 10:46 PM CDT	Areal Flood Advisory	MRX	Meigs, Rhea, Roane	3 hr
Jun 21, 10:55 PM CDT	Severe Thunderstorm Warning	MRX	Cocke, Grainger, Greene, Hamblen, Hancock, Hawkins and 2 more	50 min
Jun 21, 11:04 PM CDT	Severe Thunderstorm Warning	MRX	Monroe, Polk	56 min
Jun 21, 11:26 PM CDT	Severe Thunderstorm Warning	MRX	Cocke, Greene, Unicoi, Washington	49 min
Jun 21, 11:35 PM CDT	Severe Thunderstorm Warning	MRX	Hawkins, Sullivan	55 min
Jun 22, 12:08 AM CDT	Severe Thunderstorm Warning	MRX	Carter, Johnson, Sullivan, Washington	56 min
Jun 22, 9:24 AM CDT	Special Weather Statement	MRX	Campbell, Claiborne, Scott	66 min
Jun 22, 10:05 AM CDT	Special Weather Statement	MRX	Anderson, Campbell, Claiborne, Grainger, Morgan, Scott and 1 more	55 min
Jun 22, 10:55 AM CDT	Special Weather Statement	MRX	Anderson, Knox, Loudon, Morgan, Roane, Union	65 min
Jun 22, 11:06 AM CDT	Special Weather Statement	MRX	Cocke, Grainger, Greene, Hamblen, Jefferson	54 min
Jun 22, 11:44 AM CDT	Special Weather Statement	MRX	Blount, Loudon, McMinn, Meigs, Monroe, Polk and 2 more	61 min
Jun 22, 12:09 PM CDT	Special Weather Statement	MRX	Cocke	51 min
Jun 22, 12:41 PM CDT	Special Weather Statement	MRX	McMinn, Monroe, Polk	64 min
Jun 22, 1:33 PM CDT	Special Weather Statement	MRX	Polk	42 min
Jun 22, 6:04 PM CDT	Special Weather Statement	MRX	Marion	41 min
Jun 22, 6:49 PM CDT	Special Weather Statement	MRX	Hamilton	26 min
Jun 22, 6:57 PM CDT	Special Weather Statement	MRX	Polk	48 min
Jun 21, 11:53 PM CDT	Severe Thunderstorm Warning	MRX	Clay	22 min
Jun 22, 1:27 PM CDT	Special Weather Statement	MRX	Cherokee	48 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.