Alert archive / Tennessee / Severe Thunderstorm Warnings in 2022
Severe Thunderstorm Warning 157, NWS Morristown, TN
NWS Morristown, TN issued this severe thunderstorm warning at Aug 3, 2022, 9:49 PM EDT for 6 counties in Tennessee. It was in force for 71 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 3, 2022, 9:49 PM EDT (01:49 UTC)
- Expired
- Aug 3, 2022, 11:00 PM EDT
- In force
- 71 min
- Issued by
- NWS Morristown, TN
- Area
- Storm-based polygon
- Hail
- 0.88 in
- Wind
- 60.0 mph
Counties Anderson County, TN, Campbell County, TN, Claiborne County, TN, Morgan County, TN, Scott County, TN, Union County, TN
The radar
The Knoxville radar (KMRX), 70 km from the middle of the area, began a volume at 01:51 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 00:00Z, 1.8 hours before the alert went out and 328 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.
- Mixed-layer CAPE
- 933 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 1521 m above ground
- 0-6 km bulk shear
- 4 kt
- 0-1 km storm-relative helicity
- 3 m²/s²
- 0-3 km storm-relative helicity
- 42 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 3, 7:31 PM EDT, 2 hours 18 minutes earlier.
Area forecast discussion, Aug 3, 7:31 PM EDT, 2 hours 18 minutes before
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</html>Hazardous weather outlook, Aug 3, 3:34 PM EDT, 6 hours 15 minutes before
Hazardous Weather Outlook National Weather Service Morristown TN 334 PM EDT Wed Aug 3 2022 NCZ060-061-TNZ012>018-035>047-067>074-081>087-098>102-VAZ001-002- 005-006-008-041930- 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- 334 PM EDT Wed Aug 3 2022 /234 PM CDT Wed Aug 3 2022/ This Hazardous Weather Outlook is for portions of southwest North Carolina...east Tennessee and southwest Virginia. .DAY ONE...This Afternoon and Tonight The probability for widespread hazardous weather is low. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday A wet pattern will be in place this time period with showers and thunderstorms possible day or overnight, although activity will peak during the afternoon and evening hours. Localized flooding will be possible at times if stronger storms move slowly or train over the same areas. .SPOTTER INFORMATION STATEMENT... Spotter activation is not needed at this time. TD/BW
In the hours before
Local storm report, Aug 3, 8:25 PM EDT, 1 hour 24 minutes before
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</html>Local storm report, Aug 3, 8:32 PM EDT, 1 hour 17 minutes before
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</html>Local storm report, Aug 3, 8:48 PM EDT, 1 hour 1 minute before
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</html>Special weather statement, Aug 3, 8:59 PM EDT, 50 minutes before
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</html>Special weather statement, Aug 3, 9:09 PM EDT, 40 minutes before
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</html>Local storm report, Aug 3, 9:29 PM EDT, 20 minutes before
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</html>The office that day
Everything else NWS Morristown, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 3, 8:12 PM EDT | Severe Thunderstorm Warning | MRX | Blount, Knox, Loudon, Monroe, Morgan, Roane | 48 min |
| Aug 3, 8:23 PM EDT | Severe Thunderstorm Warning | MRX | Blount, Knox, Sevier | 52 min |
| Aug 3, 8:42 PM EDT | Severe Thunderstorm Warning | MRX | Anderson, Blount, Knox, Loudon, Morgan, Roane | 48 min |
| Aug 3, 8:59 PM EDT | Special Weather Statement | MRX | Roane | 46 min |
| Aug 3, 9:05 PM EDT | Severe Thunderstorm Warning | MRX | Anderson, Campbell, Knox, Union | 55 min |
| Aug 3, 9:09 PM EDT | Special Weather Statement | MRX | Cocke, Jefferson, Sevier | 51 min |
| Aug 3, 9:10 PM EDT | Areal Flood Advisory | MRX | Blount, Knox | 3 hr |
| Aug 3, 9:40 PM EDT | Areal Flood Advisory | MRX | Anderson, Knox | 3 hr |
| Aug 3, 9:54 PM EDT | Special Weather Statement | MRX | Grainger, Hamblen, Jefferson | 66 min |
| Aug 3, 10:41 PM EDT | Areal Flood Advisory | MRX | Blount, Grainger, Jefferson, Knox, Sevier | 3 hr |
| Aug 3, 10:50 PM EDT | Special Weather Statement | MRX | Knox | 40 min |
| Aug 3, 10:52 PM EDT | Special Weather Statement | MRX | Bradley | 38 min |
| Aug 4, 12:21 AM EDT | Areal Flood Advisory | MRX | Anderson, Campbell, Scott, Union | 114 min |
| Aug 4, 5:40 PM EDT | Special Weather Statement | MRX | Blount | 50 min |
| Aug 4, 5:44 PM EDT | Special Weather Statement | MRX | Sullivan | 46 min |
| Aug 4, 5:50 PM EDT | Special Weather Statement | MRX | Greene | 40 min |
| Aug 4, 6:00 PM EDT | Severe Thunderstorm Warning | MRX | Anderson, Blount, Knox, Loudon | 45 min |
| Aug 4, 6:12 PM EDT | Special Weather Statement | MRX | Greene | 48 min |
| Aug 4, 6:22 PM EDT | Severe Thunderstorm Warning | MRX | Greene, Hamblen, Hawkins | 53 min |
| Aug 4, 6:43 PM EDT | Special Weather Statement | MRX | Anderson | 47 min |
| Aug 4, 6:53 PM EDT | Special Weather Statement | MRX | Hawkins | 52 min |
| Aug 4, 7:38 PM EDT | Special Weather Statement | MRX | Union | 52 min |
| Aug 3, 11:33 PM EDT | Special Weather Statement | MRX | Wise, City of Norton | 42 min |
| Aug 4, 12:19 AM EDT | Areal Flood Advisory | MRX | Lee, Scott, Wise, City of Norton | 116 min |
| Aug 4, 6:36 PM EDT | Special Weather Statement | MRX | Washington | 39 min |
Nearby
Severe Thunderstorm Warnings in Tennessee, 2022Every severe thunderstorm warning in 2022
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.