Alert archive / Tennessee / Severe Thunderstorm Warnings in 2024

Severe Thunderstorm Warning 11, NWS Morristown, TN

April 11, 2024Blount County, Knox County, Loudon County, Tennessee

NWS Morristown, TN issued this severe thunderstorm warning at Apr 11, 2024, 4:15 PM EDT for Blount County, Knox County, Loudon County, Tennessee. It was in force for 45 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: Apr 11, 2024, 4:15 PM EDT (20:15 UTC)
Expired: Apr 11, 2024, 5:00 PM EDT
In force: 45 min
Issued by: NWS Morristown, TN
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Blount County, TN, Knox County, TN, Loudon County, TN

The radar

The Knoxville radar (KMRX), 72 km from the middle of the area, began a volume at 20:16 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 Apr 11, 3:43 PM EDT, 32 minutes earlier.

Area forecast discussion, Apr 11, 3:43 PM EDT, 32 minutes before

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Hazardous weather outlook, Apr 11, 3:52 PM EDT, 23 minutes before

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In the hours before

Special weather statement, Apr 11, 1:48 PM EDT, 2 hours 27 minutes before

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Special weather statement, Apr 11, 2:29 PM EDT, 1 hour 46 minutes before

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Special weather statement, Apr 11, 2:39 PM EDT, 1 hour 36 minutes before

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Special weather statement, Apr 11, 3:14 PM EDT, 1 hour 1 minute before

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Special weather statement, Apr 11, 3:57 PM EDT, 18 minutes before

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Special weather statement, Apr 11, 4:05 PM EDT, 10 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
Apr 11, 6:23 AM EDT	Special Weather Statement	MRX	Campbell	52 min
Apr 11, 1:17 PM EDT	Special Weather Statement	MRX	Knox	43 min
Apr 11, 1:48 PM EDT	Special Weather Statement	MRX	Knox	42 min
Apr 11, 2:29 PM EDT	Special Weather Statement	MRX	Grainger	31 min
Apr 11, 2:39 PM EDT	Special Weather Statement	MRX	Claiborne	36 min
Apr 11, 3:14 PM EDT	Special Weather Statement	MRX	Hancock	31 min
Apr 11, 3:57 PM EDT	Special Weather Statement	MRX	Monroe	33 min
Apr 11, 4:05 PM EDT	Special Weather Statement	MRX	Loudon	25 min
Apr 11, 4:39 PM EDT	Special Weather Statement	MRX	Greene, Hawkins	51 min
Apr 11, 4:43 PM EDT	Severe Thunderstorm Warning	MRX	Blount, Grainger, Jefferson, Knox, Union	47 min
Apr 11, 5:06 PM EDT	Special Weather Statement	MRX	Sullivan, Washington	39 min
Apr 11, 5:33 PM EDT	Special Weather Statement	MRX	Anderson, Knox, Loudon, McMinn, Roane	57 min
Apr 11, 5:35 PM EDT	Special Weather Statement	MRX	Blount, McMinn, Monroe, Polk	55 min
Apr 11, 5:39 PM EDT	Special Weather Statement	MRX	Sullivan	51 min
Apr 11, 7:03 PM EDT	Special Weather Statement	MRX	Hamblen, Jefferson	42 min

Nearby

Severe Thunderstorm Warnings in Tennessee, 2024 Every severe thunderstorm warning in 2024

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.