Alert archive / Tennessee / Severe Thunderstorm Warnings in 2025

Severe Thunderstorm Warning 221, NWS Morristown, TN

September 4, 2025Roane County, Tennessee

NWS Morristown, TN issued this severe thunderstorm warning at Sep 4, 2025, 3:43 PM EDT for Roane County, Tennessee. It was in force for 47 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: Sep 4, 2025, 3:43 PM EDT (19:43 UTC)
Expired: Sep 4, 2025, 4:30 PM EDT
In force: 47 min
Issued by: NWS Morristown, TN
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Roane County, TN

The radar

The Knoxville radar (KMRX), 107 km from the middle of the area, began a volume at 19:41 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.

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 Sep 4, 1:11 PM EDT, 2 hours 32 minutes earlier.

Area forecast discussion, Sep 4, 1:11 PM EDT, 2 hours 32 minutes before

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Hazardous weather outlook, Sep 4, 1:15 PM EDT, 2 hours 28 minutes before

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In the hours before

Local storm report, Sep 4, 2:47 PM EDT, 56 minutes before

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Local storm report, Sep 4, 2:49 PM EDT, 54 minutes before

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Local storm report, Sep 4, 2:54 PM EDT, 49 minutes before

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Local storm report, Sep 4, 2:59 PM EDT, 44 minutes before

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Special weather statement, Sep 4, 3:35 PM EDT, 8 minutes before

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      <p id="message2">
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        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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Local storm report, Sep 4, 3:38 PM EDT, 5 minutes before

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      <p id="message1">
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      </p>
      <p id="message2">
        Please try again in a few minutes.
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      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 3, 10:56 PM EDT	Special Weather Statement	MRX	Bledsoe, Meigs, Rhea	34 min
Sep 4, 6:02 AM EDT	Areal Flood Advisory	MRX	Blount	118 min
Sep 4, 10:02 AM EDT	Special Weather Statement	MRX	Claiborne	43 min
Sep 4, 10:15 AM EDT	Severe Thunderstorm Warning	MRX	Campbell, Claiborne, Union	45 min
Sep 4, 10:58 AM EDT	Severe Thunderstorm Warning	MRX	Claiborne, Grainger, Hancock, Hawkins	32 min
Sep 4, 11:29 AM EDT	Severe Thunderstorm Warning	MRX	Hancock, Hawkins, Sullivan	46 min
Sep 4, 11:43 AM EDT	Special Weather Statement	MRX	Grainger, Hamblen	47 min
Sep 4, 12:02 PM EDT	Severe Thunderstorm Warning	MRX	Carter, Sullivan	43 min
Sep 4, 12:09 PM EDT	Special Weather Statement	MRX	Roane	51 min
Sep 4, 12:14 PM EDT	Severe Thunderstorm Warning	MRX	Greene, Hamblen, Hawkins	46 min
Sep 4, 12:39 PM EDT	Special Weather Statement	MRX	Johnson	51 min
Sep 4, 12:46 PM EDT	Tornado Warning	MRX	Anderson, Knox, Morgan, Roane	44 min
Sep 4, 12:51 PM EDT	Severe Thunderstorm Warning	MRX	Greene, Unicoi, Washington	39 min
Sep 4, 1:01 PM EDT	Severe Thunderstorm Warning	MRX	Greene	44 min
Sep 4, 1:04 PM EDT	Special Weather Statement	MRX	Carter	41 min
Sep 4, 1:15 PM EDT	Severe Thunderstorm Warning	MRX	Anderson, Knox	45 min
Sep 4, 1:22 PM EDT	Severe Thunderstorm Warning	MRX	Unicoi	38 min
Sep 4, 1:25 PM EDT	Severe Thunderstorm Warning	MRX	Anderson, Knox, Morgan, Roane	35 min
Sep 4, 1:52 PM EDT	Severe Thunderstorm Warning	MRX	Blount, Knox, Sevier	41 min
Sep 4, 1:56 PM EDT	Severe Thunderstorm Warning	MRX	Anderson, Blount, Knox	49 min
Sep 4, 2:04 PM EDT	Areal Flood Advisory	MRX	Anderson, Knox, Morgan, Roane	3 hr
Sep 4, 2:12 PM EDT	Special Weather Statement	MRX	Claiborne, Hancock	33 min
Sep 4, 2:18 PM EDT	Severe Thunderstorm Warning	MRX	Claiborne, Grainger, Hancock	42 min
Sep 4, 2:25 PM EDT	Severe Thunderstorm Warning	MRX	Sevier	50 min
Sep 4, 2:30 PM EDT	Severe Thunderstorm Warning Considerable damage threat	MRX	Blount, Knox, Sevier	45 min
Sep 4, 2:43 PM EDT	Severe Thunderstorm Warning	MRX	Anderson, Campbell, Scott	20 min
Sep 4, 2:55 PM EDT	Severe Thunderstorm Warning	MRX	Grainger, Greene, Hamblen, Hancock, Hawkins	50 min
Sep 4, 2:56 PM EDT	Severe Thunderstorm Warning	MRX	Blount, Knox	19 min
Sep 4, 3:07 PM EDT	Severe Thunderstorm Warning	MRX	Cocke, Sevier	18 min
Sep 4, 3:09 PM EDT	Severe Thunderstorm Warning	MRX	Cocke, Sevier	45 min
Sep 4, 3:35 PM EDT	Special Weather Statement	MRX	Grainger, Union	40 min
Sep 4, 3:57 PM EDT	Severe Thunderstorm Warning	MRX	Anderson, Knox, Loudon, Roane	14 min
Sep 4, 4:27 PM EDT	Areal Flood Advisory	MRX	Blount, Knox, Loudon, Roane	3 hr
Sep 4, 4:31 PM EDT	Severe Thunderstorm Warning	MRX	Loudon, Roane	11 min
Sep 4, 4:36 PM EDT	Special Weather Statement	MRX	Sevier	39 min
Sep 4, 4:54 PM EDT	Special Weather Statement	MRX	Meigs, Rhea	51 min
Sep 4, 11:20 AM EDT	Special Weather Statement	MRX	Lee, Scott	40 min

Nearby

Severe Thunderstorm Warnings in Tennessee, 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; radar from the NEXRAD Level II archive.