Alert archive / Tennessee / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 114, NWS Morristown, TN

October 31, 20194 counties in Tennessee

NWS Morristown, TN issued this severe thunderstorm warning at Oct 31, 2019, 10:58 AM EDT for 4 counties in 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: Oct 31, 2019, 10:58 AM EDT (14:58 UTC)
Expired: Oct 31, 2019, 11:45 AM EDT
In force: 47 min
Issued by: NWS Morristown, TN
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Anderson County, TN, Campbell County, TN, Knox County, TN, Union County, TN

The radar

The Knoxville radar (KMRX), 57 km from the middle of the area, began a volume at 14:59 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 Oct 31, 7:04 AM EDT, 3 hours 54 minutes earlier.

Area forecast discussion, Oct 31, 7:04 AM EDT, 3 hours 54 minutes before

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Hazardous weather outlook, Oct 31, 3:28 AM EDT, 7 hours 30 minutes before

Hazardous Weather Outlook
National Weather Service Morristown TN
328 AM EDT Thu Oct 31 2019

NCZ060-061-TNZ012>018-035>047-067>074-081>087-098>102-VAZ001-002-
005-006-008-010730-
Cherokee-Clay-Scott-Campbell-Claiborne-Hancock-Hawkins-Sullivan-
Johnson-Morgan-Anderson-Union-Grainger-Hamblen-Northwest Cocke-
Cocke Smoky Mountains-Northwest Greene-Southeast Greene-
Washington-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-Russell-
328 AM EDT Thu Oct 31 2019 /228 AM CDT Thu Oct 31 2019/

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

.DAY ONE...Today and Tonight

Severe storms will be possible early Thursday morning into early
Thursday afternoon ahead of a cold front with strong winds being
the primary hazard. A brief weak isolated tornado or two will also
be possible. Best chances for severe storms will be to the north
and east of Knoxville during the morning and early afternoon
hours.

Periods of locally heavy rainfall are possible Thursday morning
and afternoon which may cause localized flooding, especially
across the Smoky Mountains, southeast Tennessee, and southwest
North Carolina.

Strong winds will continue across the higher elevations into the
early afternoon with gusts as high as 45 mph possible.

Freeze temperatures along with patchy to widespread frost are
expected late tonight.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

Freeze temperatures along with patchy to widespread frost will
continue into Friday morning.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed today.

In the hours before

Special weather statement, Oct 31, 8:41 AM EDT, 2 hours 17 minutes before

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Special weather statement, Oct 31, 9:42 AM EDT, 1 hour 16 minutes before

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Special weather statement, Oct 31, 10:32 AM EDT, 26 minutes before

Special Weather Statement
National Weather Service Morristown TN
1032 AM EDT Thu Oct 31 2019

TNZ036-067-069-311515-
Anderson TN-Roane TN-Knox TN-
1032 AM EDT Thu Oct 31 2019

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN KNOX...ANDERSON AND
EASTERN ROANE COUNTIES UNTIL 1115 AM EDT...

At 1031 AM EDT, Doppler radar was tracking a strong shower over
Kingston, moving northeast at 55 mph.

Wind gusts up to 50 mph will be possible with this storm.

Locations impacted include...
Oak Ridge, Clinton, Kingston, Fairview, Oliver Springs, Midtown,
Harriman, Rocky Top, Norris and Bradbury.

LAT...LON 3585 8463 3599 8447 3599 8444 3605 8434
      3608 8437 3624 8417 3624 8414 3606 8394
      3589 8426 3590 8428 3587 8429 3589 8433
      3584 8434 3573 8455
TIME...MOT...LOC 1431Z 229DEG 47KT 3583 8453

DGS

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 31, 3:16 AM EDT	Freeze Warning	MRX	Anderson, Bledsoe, Blount, Bradley, Campbell, Carter and 27 more	31 hr
Oct 31, 8:41 AM EDT	Special Weather Statement	MRX	Bledsoe, Marion, Sequatchie	49 min
Oct 31, 9:42 AM EDT	Special Weather Statement	MRX	Rhea, Roane	48 min
Oct 31, 10:32 AM EDT	Special Weather Statement	MRX	Anderson, Roane	43 min
Oct 31, 11:24 AM EDT	Severe Thunderstorm Warning	MRX	Grainger, Jefferson, Knox	36 min
Oct 31, 11:33 AM EDT	Severe Thunderstorm Warning	MRX	Claiborne, Hancock, Union	42 min
Oct 31, 11:40 AM EDT	Severe Thunderstorm Warning	MRX	Claiborne, Grainger, Hamblen, Hancock, Hawkins	50 min
Oct 31, 11:44 AM EDT	Severe Thunderstorm Warning	MRX	Cocke, Grainger, Greene, Hamblen, Jefferson, Sevier	33 min
Oct 31, 11:50 AM EDT	Tornado Warning	MRX	Claiborne, Hancock	40 min
Oct 31, 12:11 PM EDT	Severe Thunderstorm Warning	MRX	Hamblen, Hancock, Hawkins, Sullivan	34 min
Oct 31, 12:27 PM EDT	Severe Thunderstorm Warning	MRX	Cocke, Greene, Hawkins	48 min
Oct 31, 12:47 PM EDT	Severe Thunderstorm Warning	MRX	Hawkins, Sullivan	43 min
Oct 31, 12:58 PM EDT	Severe Thunderstorm Warning	MRX	Carter, Sullivan, Washington	27 min
Oct 31, 1:24 PM EDT	Special Weather Statement	MRX	Sullivan	66 min
Oct 31, 12:26 PM EDT	Severe Thunderstorm Warning	MRX	Lee, Scott, Wise, City of Norton	49 min

Nearby

Severe Thunderstorm Warnings in Tennessee, 2019 Every severe thunderstorm warning in 2019

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.