Alert archive / Tennessee / Severe Thunderstorm Warnings in 2024

Severe Thunderstorm Warning 162, NWS Morristown, TN

August 16, 20244 counties in Tennessee

NWS Morristown, TN issued this severe thunderstorm warning at Aug 16, 2024, 5:12 PM EDT for 4 counties in Tennessee. It was in force for 48 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: Aug 16, 2024, 5:12 PM EDT (21:12 UTC)
Expired: Aug 16, 2024, 6:00 PM EDT
In force: 48 min
Issued by: NWS Morristown, TN
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Anderson County, TN, Blount County, TN, Knox County, TN, Sevier County, TN

The radar

The Knoxville radar (KMRX), 54 km from the middle of the area, began a volume at 21:15 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 nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 9.2 hours before the alert went out and 286 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: 4 J/kg
Mixed-layer CIN: -170 J/kg
Mixed-layer LCL: 1026 m above ground
0-6 km bulk shear: 10 kt
0-1 km storm-relative helicity: -7 m²/s²
0-3 km storm-relative helicity: 44 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 Aug 16, 3:15 PM EDT, 1 hour 57 minutes earlier.

Area forecast discussion, Aug 16, 3:15 PM EDT, 1 hour 57 minutes before

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Hazardous weather outlook, Aug 16, 2:43 PM EDT, 2 hours 29 minutes before

Hazardous Weather Outlook...UPDATED
National Weather Service Morristown TN
243 PM EDT Fri Aug 16 2024

NCZ060-061-TNZ012>018-035>047-067>074-081>087-098>102-VAZ001-002-
005-006-008-171845-
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-
243 PM EDT Fri Aug 16 2024 /143 PM CDT Fri Aug 16 2024/

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

.DAY ONE...This Afternoon and Tonight

Showers and thunderstorms are likely this afternoon. A few of
these storms may become strong to severe with damaging winds the
primary threat, along with the possibility of locally heavy
rainfall leading to localized flooding.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday

Showers and thunderstorms can be expected at times Saturday. A
few of these storms may become strong to severe with damaging
winds the primary threat, along with the possibility of locally
heavy rainfall leading to localized flooding.

.SPOTTER INFORMATION STATEMENT...

Any reports of thunderstorm damage or flooding Friday and
Saturday will be appreciated.

In the hours before

Special weather statement, Aug 16, 3:01 PM EDT, 2 hours 11 minutes before

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Special weather statement, Aug 16, 3:02 PM EDT, 2 hours 10 minutes before

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Special weather statement, Aug 16, 4:18 PM EDT, 54 minutes before

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Special weather statement, Aug 16, 4:27 PM EDT, 45 minutes before

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Special weather statement, Aug 16, 4:28 PM EDT, 44 minutes before

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Special weather statement, Aug 16, 5:08 PM EDT, 4 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
Aug 16, 3:01 PM EDT	Special Weather Statement	MRX	Greene	44 min
Aug 16, 3:02 PM EDT	Special Weather Statement	MRX	Hamilton	43 min
Aug 16, 4:18 PM EDT	Special Weather Statement	MRX	Hancock	42 min
Aug 16, 4:27 PM EDT	Special Weather Statement	MRX	Roane	48 min
Aug 16, 4:28 PM EDT	Special Weather Statement	MRX	Anderson	47 min
Aug 16, 4:43 PM EDT	Severe Thunderstorm Warning	MRX	Claiborne, Hancock, Hawkins	47 min
Aug 16, 4:47 PM EDT	Severe Thunderstorm Warning	MRX	Loudon, McMinn, Meigs, Monroe, Rhea, Roane	43 min
Aug 16, 5:08 PM EDT	Special Weather Statement	MRX	Marion	52 min
Aug 16, 5:23 PM EDT	Special Weather Statement	MRX	Blount, Loudon, Monroe	67 min
Aug 16, 5:27 PM EDT	Special Weather Statement	MRX	Hawkins, Sullivan, Unicoi, Washington	63 min
Aug 16, 5:38 PM EDT	Severe Thunderstorm Warning	MRX	Blount, Sevier	67 min
Aug 16, 5:45 PM EDT	Severe Thunderstorm Warning	MRX	Bradley, McMinn, Polk	60 min
Aug 16, 5:58 PM EDT	Severe Thunderstorm Warning	MRX	Carter, Johnson, Sullivan, Washington	62 min
Aug 16, 6:03 PM EDT	Special Weather Statement	MRX	Blount	42 min
Aug 16, 6:13 PM EDT	Special Weather Statement	MRX	Cocke	47 min
Aug 16, 6:14 PM EDT	Flash Flood Warning	MRX	Greene, Washington	3 hr
Aug 16, 6:24 PM EDT	Special Weather Statement	MRX	Polk	66 min
Aug 16, 6:34 PM EDT	Severe Thunderstorm Warning	MRX	Carter, Johnson, Sullivan	56 min
Aug 16, 6:55 PM EDT	Special Weather Statement	MRX	Clay	50 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.