Alert archive / Tennessee / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 58, NWS Morristown, TN

June 21, 2016Carter County, Tennessee

NWS Morristown, TN issued this severe thunderstorm warning at Jun 21, 2016, 10:05 PM EDT for Carter County, Tennessee. It was in force for 25 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 21, 2016, 10:05 PM EDT (02:05 UTC)
Expired: Jun 21, 2016, 10:30 PM EDT
In force: 25 min
Issued by: NWS Morristown, TN
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Carter County, TN

The radar

The Knoxville radar (KMRX), 115 km from the middle of the area, began a volume at 02:06 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

Cncnati-Daytn, OH (KILN), launched 00:00Z, 2.1 hours before the alert went out and 378 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 2260 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 32 m²/s²
0-3 km storm-relative helicity: 69 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 Morristown, TN wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 21, 9:07 PM EDT, 58 minutes earlier.

Area forecast discussion, Jun 21, 9:07 PM EDT, 58 minutes before

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Hazardous weather outlook, Jun 21, 9:55 PM EDT, 10 minutes before

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In the hours before

Local storm report, Jun 21, 8:00 PM EDT, 2 hours 5 minutes before

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Local storm report, Jun 21, 8:04 PM EDT, 2 hours 1 minute before

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Local storm report, Jun 21, 8:15 PM EDT, 1 hour 50 minutes before

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Special weather statement, Jun 21, 8:35 PM EDT, 1 hour 30 minutes before

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Special weather statement, Jun 21, 8:45 PM EDT, 1 hour 20 minutes before

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Special weather statement, Jun 21, 9:50 PM EDT, 15 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, 8:45 PM EDT	Special Weather Statement	MRX	Jefferson, Knox	45 min
Jun 21, 8:56 PM EDT	Areal Flood Advisory	MRX	Hancock	3 hr
Jun 21, 9:50 PM EDT	Special Weather Statement	MRX	Carter	40 min
Jun 21, 10:36 PM EDT	Special Weather Statement	MRX	Hancock, Hawkins	39 min
Jun 22, 2:40 PM EDT	Severe Thunderstorm Warning	MRX	Sullivan	65 min
Jun 22, 2:54 PM EDT	Special Weather Statement	MRX	Loudon	51 min
Jun 22, 3:03 PM EDT	Special Weather Statement	MRX	Jefferson	42 min
Jun 22, 3:23 PM EDT	Severe Thunderstorm Warning	MRX	Johnson, Sullivan	37 min
Jun 21, 8:35 PM EDT	Special Weather Statement	MRX	Lee	55 min
Jun 21, 11:00 PM EDT	Special Weather Statement	MRX	Lee	45 min
Jun 21, 11:59 PM EDT	Areal Flood Advisory	MRX	Lee	3 hr
Jun 22, 1:18 PM EDT	Severe Thunderstorm Warning	MRX	Russell, Scott, Wise, City of Norton	42 min
Jun 22, 1:52 PM EDT	Special Weather Statement	MRX	Russell, Wise	53 min
Jun 22, 2:04 PM EDT	Special Weather Statement	MRX	Scott	41 min
Jun 22, 2:25 PM EDT	Special Weather Statement	MRX	Washington	65 min

Nearby

Severe Thunderstorm Warnings in Tennessee, 2016 Every severe thunderstorm warning in 2016

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.