Alert archive / Tennessee / Severe Thunderstorm Warnings in 2025

Severe Thunderstorm Warning 57, NWS Morristown, TN

April 10, 20254 counties in Tennessee

NWS Morristown, TN issued this severe thunderstorm warning at Apr 10, 2025, 6:48 PM CDT for 4 counties in Tennessee. It was in force for 57 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 10, 2025, 6:48 PM CDT (23:48 UTC)
Expired: Apr 10, 2025, 7:45 PM CDT
In force: 57 min
Issued by: NWS Morristown, TN
Area: Storm-based polygon
Hail: 1.25 in
Wind: 50.0 mph

Counties Bledsoe County, TN, Hamilton County, TN, Meigs County, TN, Rhea County, TN

The radar

The Northeast Alabama radar (KHTX), 114 km from the middle of the area, began a volume at 23:50 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
Apr 10, 4:03 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 11.8 hours before the alert went out and 239 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: 1911 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 94 m²/s²
0-3 km storm-relative helicity: 111 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 Apr 10, 6:14 PM CDT, 34 minutes earlier.

Area forecast discussion, Apr 10, 6:14 PM CDT, 34 minutes before

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Hazardous weather outlook, Apr 10, 1:38 PM CDT, 5 hours 10 minutes before

Hazardous Weather Outlook...UPDATED
National Weather Service Morristown TN
238 PM EDT Thu Apr 10 2025

NCZ060-061-TNZ012>018-035>047-067>074-081>087-098>102-VAZ001-002-
005-006-008-111845-
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-
238 PM EDT Thu Apr 10 2025 /138 PM CDT Thu Apr 10 2025/

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

.DAY ONE...This Afternoon and Tonight

Severe thunderstorms will be possible this afternoon and evening,
especially across the southern Cumberland Plateau and southern
Tennessee Valley. Large hail and gusty winds will be the primary
hazards.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

Light snow accumulation will be possible across the higher
elevations of the mountains on Friday night, mainly above 3000
feet.

.SPOTTER INFORMATION STATEMENT...

Spotter reports may be needed this afternoon and evening due to
the potential of severe thunderstorms.

In the hours before

Special weather statement, Apr 10, 5:22 PM CDT, 1 hour 26 minutes before

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Local storm report, Apr 10, 5:24 PM CDT, 1 hour 24 minutes before

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Local storm report, Apr 10, 5:33 PM CDT, 1 hour 15 minutes before

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Special weather statement, Apr 10, 5:37 PM CDT, 1 hour 11 minutes before

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Local storm report, Apr 10, 6:44 PM CDT, 4 minutes before

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Local storm report, Apr 10, 6:45 PM CDT, 3 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 10, 2:33 PM CDT	Special Weather Statement	MRX	Morgan	42 min
Apr 10, 2:39 PM CDT	Special Weather Statement	MRX	Campbell	51 min
Apr 10, 3:15 PM CDT	Special Weather Statement	MRX	Marion	45 min
Apr 10, 3:17 PM CDT	Special Weather Statement	MRX	Anderson	43 min
Apr 10, 3:25 PM CDT	Special Weather Statement	MRX	Morgan	50 min
Apr 10, 3:33 PM CDT	Severe Thunderstorm Warning	MRX	Morgan, Scott	19 min
Apr 10, 3:34 PM CDT	Severe Thunderstorm Warning	MRX	Anderson, Morgan, Roane	30 min
Apr 10, 3:39 PM CDT	Severe Thunderstorm Warning	MRX	Marion	51 min
Apr 10, 3:49 PM CDT	Severe Thunderstorm Warning	MRX	Bledsoe, Sequatchie	44 min
Apr 10, 3:52 PM CDT	Severe Thunderstorm Warning	MRX	Anderson, Morgan, Roane	29 min
Apr 10, 4:07 PM CDT	Severe Thunderstorm Warning	MRX	Anderson, Knox	53 min
Apr 10, 4:08 PM CDT	Severe Thunderstorm Warning	MRX	Loudon, McMinn, Meigs, Monroe, Rhea, Roane	55 min
Apr 10, 4:14 PM CDT	Severe Thunderstorm Warning	MRX	Morgan, Roane	30 min
Apr 10, 4:21 PM CDT	Severe Thunderstorm Warning	MRX	McMinn, Monroe, Polk	54 min
Apr 10, 4:22 PM CDT	Flash Flood Warning	MRX	Anderson, Morgan, Roane	80 min
Apr 10, 4:31 PM CDT	Severe Thunderstorm Warning	MRX	Bledsoe, Bradley, Hamilton, Meigs, Sequatchie	44 min
Apr 10, 4:37 PM CDT	Severe Thunderstorm Warning	MRX	Blount, Knox, Sevier	53 min
Apr 10, 4:46 PM CDT	Severe Thunderstorm Warning	MRX	Blount, Loudon, Monroe	18 min
Apr 10, 4:48 PM CDT	Special Weather Statement	MRX	McMinn	42 min
Apr 10, 5:06 PM CDT	Severe Thunderstorm Warning	MRX	Blount, Knox, Loudon	29 min
Apr 10, 5:08 PM CDT	Severe Thunderstorm Warning	MRX	McMinn, Monroe, Polk	39 min
Apr 10, 5:16 PM CDT	Severe Thunderstorm Warning	MRX	Sevier	29 min
Apr 10, 5:33 PM CDT	Severe Thunderstorm Warning	MRX	Sevier	42 min
Apr 10, 5:37 PM CDT	Special Weather Statement	MRX	Marion	23 min
Apr 10, 5:22 PM CDT	Special Weather Statement	MRX	Clay	38 min
Apr 10, 5:42 PM CDT	Severe Thunderstorm Warning	MRX	Cherokee, Clay	28 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.