Alert archive / Tennessee / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 45, NWS Morristown, TN

June 22, 2026Monroe County, Polk County, Tennessee; Cherokee County, Clay County, North Carolina

NWS Morristown, TN issued this severe thunderstorm warning at Jun 22, 2026, 7:45 PM EDT for Monroe County, Polk County, Tennessee; Cherokee County, Clay County, North Carolina. It was in force for 29 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, 2026, 7:45 PM EDT (23:45 UTC)
Expired: Jun 22, 2026, 8:14 PM EDT
In force: 29 min
Issued by: NWS Morristown, TN
Area: Storm-based polygon
Tornado: Possible
Hail: 0.75 in
Wind: 60.0 mph

Counties Cherokee County, NC, Clay County, NC, Monroe County, TN, Polk County, TN

The radar

The Knoxville radar (KMRX), 128 km from the middle of the area, began a volume at 23:46 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
Jun 22, 5:30 PM EDT	Severe Thunderstorm Watch	SPC	4 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 11.8 hours before the alert went out and 205 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: 915 J/kg
Mixed-layer CIN: -10 J/kg
Mixed-layer LCL: 568 m above ground
0-6 km bulk shear: 7 kt
0-1 km storm-relative helicity: -30 m²/s²
0-3 km storm-relative helicity: -24 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 22, 7:27 PM EDT, 18 minutes earlier.

Area forecast discussion, Jun 22, 7:27 PM EDT, 18 minutes before

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Hazardous weather outlook, Jun 22, 2:32 PM EDT, 5 hours 13 minutes before

Hazardous Weather Outlook
National Weather Service Morristown TN
232 PM EDT Mon Jun 22 2026

NCZ060-061-TNZ012>018-035>047-067>074-081>087-098>102-VAZ001-002-
005-006-008-231845-
Cherokee-Clay-Scott TN-Campbell-Claiborne-Hancock-Hawkins-
Sullivan-Johnson-Morgan-Anderson-Union-Grainger-Hamblen-
Northwest Cocke-Cocke Smoky Mountains-Northwest Greene-
Southeast Greene-Washington TN-Unicoi-Northwest Carter-
Southeast Carter-Roane-Loudon-Knox-Jefferson-Northwest Blount-
Blount Smoky Mountains-North Sevier-Sevier Smoky Mountains-
Sequatchie-Bledsoe-Rhea-Meigs-McMinn-Northwest Monroe-
Southeast Monroe-Marion-Hamilton-Bradley-West Polk-East Polk-Lee-
Wise-Scott VA-Russell-Washington VA-
232 PM EDT Mon Jun 22 2026 /132 PM CDT Mon Jun 22 2026/

This Hazardous Weather Outlook is for portions of southwest North
Carolina...east Tennessee and southwest Virginia.

.DAY ONE...This Afternoon and Tonight

Periods of showers and thunderstorms are expected through this
evening. TSome storms could be strong to severe, with damaging
winds being the primary threat. An isolated tornado cannot be
ruled out in the southern Tennessee Valley. Localized flash
flooding may also occur where storms repeatedly track over the
same area.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Any reports of severe weather or flooding this afternoon and
evening are greatly appreciated.

In the hours before

Local storm report, Jun 22, 4:09 PM EDT, 3 hours 36 minutes before

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Special weather statement, Jun 22, 4:24 PM EDT, 3 hours 21 minutes before

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Local storm report, Jun 22, 6:34 PM EDT, 1 hour 11 minutes before

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Local storm report, Jun 22, 6:40 PM EDT, 1 hour 5 minutes before

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Local storm report, Jun 22, 7:19 PM EDT, 26 minutes before

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Local storm report, Jun 22, 7:20 PM EDT, 25 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 22, 2:48 PM EDT	Special Weather Statement	MRX	Hamilton, Marion, Sequatchie	57 min
Jun 22, 3:01 PM EDT	Severe Thunderstorm Warning	MRX	Hamilton, Marion, Sequatchie	25 min
Jun 22, 3:55 PM EDT	Severe Thunderstorm Warning	MRX	Bradley, Hamilton	35 min
Jun 22, 4:24 PM EDT	Special Weather Statement	MRX	Knox, Loudon	51 min
Jun 22, 4:24 PM EDT	Severe Thunderstorm Warning	MRX	Bradley, Polk	13 min
Jun 22, 5:29 PM EDT	Severe Thunderstorm Warning Considerable damage threat	MRX	Marion	46 min
Jun 22, 5:56 PM EDT	Severe Thunderstorm Warning Destructive damage threat	MRX	Hamilton, Marion, Sequatchie	49 min
Jun 22, 6:28 PM EDT	Severe Thunderstorm Warning Considerable damage threat	MRX	Bradley, Hamilton, McMinn, Polk	31 min
Jun 22, 6:47 PM EDT	Severe Thunderstorm Warning	MRX	Bradley, Hamilton, McMinn, Polk	43 min
Jun 22, 7:07 PM EDT	Severe Thunderstorm Warning	MRX	Polk	38 min

Nearby

Severe Thunderstorm Warnings in Tennessee, 2026 Severe Thunderstorm Warnings in North Carolina, 2026 Every severe thunderstorm warning in 2026

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.