Alert archive / Tennessee / Severe Thunderstorm Warnings in 2022
Severe Thunderstorm Warning 9, NWS Morristown, TN
NWS Morristown, TN issued this severe thunderstorm warning at Apr 6, 2022, 6:00 PM EDT for Hamilton County, Marion 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 6, 2022, 6:00 PM EDT (22:00 UTC)
- Expired
- Apr 6, 2022, 6:45 PM EDT
- In force
- 45 min
- Issued by
- NWS Morristown, TN
- Area
- Storm-based polygon
- Hail
- 1.25 in
- Wind
- 60.0 mph
Counties Hamilton County, TN, Marion County, TN
The radar
The Northeast Alabama radar (KHTX), 68 km from the middle of the area, began a volume at 22:02 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 6, 4:59 PM EDT | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 12:00Z, 10.0 hours before the alert went out and 154 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 634 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 310 m²/s²
- 0-3 km storm-relative helicity
- 329 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 Apr 6, 3:22 PM EDT, 2 hours 38 minutes earlier.
Area forecast discussion, Apr 6, 3:22 PM EDT, 2 hours 38 minutes before
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</html>Hazardous weather outlook, Apr 6, 3:10 PM EDT, 2 hours 50 minutes before
Hazardous Weather Outlook National Weather Service Morristown TN 310 PM EDT Wed Apr 6 2022 NCZ060-061-TNZ012>018-035>047-067>074-081>087-098>102-VAZ001-002- 005-006-008-071915- 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- 310 PM EDT Wed Apr 6 2022 /210 PM CDT Wed Apr 6 2022/ This Hazardous Weather Outlook is for portions of southwest North Carolina...east Tennessee and southwest Virginia. .DAY ONE...This Afternoon and Tonight ...Severe Storms Late this Afternoon and Evening... Showers and thunderstorms will move across the area late this afternoon and early tonight. Some of these storms may be severe, with damaging winds the primary threat. However, isolated tornadoes are possible as well, especially across the Plateau and southeast Tennessee. There is also a threat for isolated large hail with any stronger storms. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday ...Wintry Conditions Return across the Mountains Friday and Saturday... A storm system with unseasonably cold air will move into the southern Appalachians for Friday and Saturday. Widespread showers can be expected with the air mass becoming cold enough to change the rain to snow across the higher elevations, generally above 3000 feet. Light snow accumulations are anticipated across the highest elevations, such as the Smoky and Roane Mountains of east Tennessee, and High Knob in Virginia. Snowfall of 1 to 3 inches are expected, generally at or above 4000 feet. .SPOTTER INFORMATION STATEMENT... Spotter activation may be needed this afternoon and evening.
In the hours before
Special weather statement, Apr 6, 5:16 PM EDT, 44 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 |
|---|---|---|---|---|
| Apr 6, 5:16 PM EDT | Special Weather Statement | MRX | Morgan | 44 min |
| Apr 6, 5:23 PM EDT | Special Weather Statement | MRX | Marion | 52 min |
| Apr 6, 5:35 PM EDT | Severe Thunderstorm Warning | MRX | Marion | 40 min |
| Apr 6, 5:55 PM EDT | Special Weather Statement | MRX | Anderson, Campbell | 50 min |
| Apr 6, 6:22 PM EDT | Special Weather Statement | MRX | Meigs | 38 min |
| Apr 6, 6:43 PM EDT | Special Weather Statement | MRX | Bradley | 32 min |
| Apr 6, 7:04 PM EDT | Special Weather Statement | MRX | Knox | 41 min |
| Apr 6, 7:11 PM EDT | Special Weather Statement | MRX | Polk | 64 min |
| Apr 6, 7:24 PM EDT | Special Weather Statement | MRX | Grainger, Hamblen | 51 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.