Alert archive / Tennessee / Severe Thunderstorm Warnings in 2025

Severe Thunderstorm Warning 182, NWS Morristown, TN

June 25, 2025Monroe County, Tennessee; Cherokee County, North Carolina

NWS Morristown, TN issued this severe thunderstorm warning at Jun 25, 2025, 2:41 PM EDT for Monroe County, Tennessee; Cherokee County, North Carolina. It was in force for 49 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 25, 2025, 2:41 PM EDT (18:41 UTC)
Expired: Jun 25, 2025, 3:30 PM EDT
In force: 49 min
Issued by: NWS Morristown, TN
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Cherokee County, NC, Monroe County, TN

The radar

The Knoxville radar (KMRX), 119 km from the middle of the area, began a volume at 18:43 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 7, 3:05 PM EDT	Severe Thunderstorm Watch	SPC	18 days

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 6.7 hours before the alert went out and 336 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: 2696 J/kg
Mixed-layer CIN: -21 J/kg
Mixed-layer LCL: 1138 m above ground
0-6 km bulk shear: 7 kt
0-1 km storm-relative helicity: -2 m²/s²
0-3 km storm-relative helicity: 13 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

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 Morristown, TN wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 25, 1:50 PM EDT, 51 minutes earlier.

Area forecast discussion, Jun 25, 1:50 PM EDT, 51 minutes before

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Hazardous weather outlook, Jun 25, 1:18 PM EDT, 1 hour 23 minutes before

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In the hours before

Special weather statement, Jun 25, 1:51 PM EDT, 50 minutes before

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Special weather statement, Jun 25, 2:28 PM EDT, 13 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 24, 8:08 PM EDT	Flash Flood Warning	MRX	Cocke, Sevier	3 hr
Jun 24, 8:12 PM EDT	Severe Thunderstorm Warning	MRX	Cocke, Greene, Jefferson	48 min
Jun 25, 2:46 PM EDT	Special Weather Statement	MRX	Marion	44 min
Jun 25, 4:25 PM EDT	Special Weather Statement	MRX	Bledsoe	35 min
Jun 25, 5:05 PM EDT	Special Weather Statement	MRX	Sequatchie	40 min
Jun 25, 5:48 PM EDT	Special Weather Statement	MRX	Bledsoe	42 min
Jun 25, 7:39 PM EDT	Special Weather Statement	MRX	Anderson	51 min
Jun 25, 1:51 PM EDT	Special Weather Statement	MRX	Cherokee	39 min
Jun 25, 2:28 PM EDT	Special Weather Statement	MRX	Cherokee	47 min
Jun 25, 3:18 PM EDT	Special Weather Statement	MRX	Cherokee	42 min

Nearby

Severe Thunderstorm Warnings in Tennessee, 2025 Severe Thunderstorm Warnings in North Carolina, 2025 Every severe thunderstorm warning in 2025

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.