Alert archive / Tennessee / Severe Thunderstorm Warnings in 2024
Severe Thunderstorm Warning 18, NWS Morristown, TN
NWS Morristown, TN issued this severe thunderstorm warning at May 6, 2024, 7:16 PM EDT for Greene County, Unicoi County, Washington County, Tennessee. It was in force for 44 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
- May 6, 2024, 7:16 PM EDT (23:16 UTC)
- Expired
- May 6, 2024, 8:00 PM EDT
- In force
- 44 min
- Issued by
- NWS Morristown, TN
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Greene County, TN, Unicoi County, TN, Washington County, TN
The radar
The Knoxville radar (KMRX), 73 km from the middle of the area, began a volume at 23:18 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
Roanoke, VA (KRNK), launched 12:00Z, 11.3 hours before the alert went out and 298 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
- 101 J/kg
- Mixed-layer CIN
- -53 J/kg
- Mixed-layer LCL
- 720 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 42 m²/s²
- 0-3 km storm-relative helicity
- 48 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 May 6, 2:46 PM EDT, 4 hours 30 minutes earlier.
Area forecast discussion, May 6, 2:46 PM EDT, 4 hours 30 minutes before
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</html>Hazardous weather outlook, May 6, 2:52 PM EDT, 4 hours 24 minutes before
Hazardous Weather Outlook National Weather Service Morristown TN 252 PM EDT Mon May 6 2024 NCZ060-061-TNZ012>018-035>047-067>074-081>087-098>102-VAZ001-002- 005-006-008-071900- 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- 252 PM EDT Mon May 6 2024 /152 PM CDT Mon May 6 2024/ This Hazardous Weather Outlook is for portions of southwest North Carolina...east Tennessee and southwest Virginia. .DAY ONE...This Afternoon and Tonight A few storms this afternoon into this evening may become strong to severe, especially across the southern and central portions of the area. Damaging winds and hail will be the main threats, although there is a very low threat of a brief tornado mainly south of Interstate 40. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday Scattered showers and thunderstorms are expected again Tuesday, mainly during the afternoon into the overnight period. Some of these storms could be strong to severe with damaging winds and hail as the main threats. Another round of even more organized storms is increasingly likely Wednesday evening through Wednesday night. With this round of storms, damaging winds and hail will be possible again, in addition to a low-end tornado risk. Also, localized flooding will remain possible through the week due to several rounds of storms that could produce heavy downpours. .SPOTTER INFORMATION STATEMENT... Spotter activation is not needed at this time, but reports may be needed this afternoon into this evening, Tuesday afternoon and night, as well as Wednesday evening and night.
In the hours before
Special weather statement, May 6, 5:46 PM EDT, 1 hour 30 minutes before
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</html>Local storm report, May 6, 6:47 PM EDT, 29 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 |
|---|---|---|---|---|
| May 6, 8:47 AM EDT | Special Weather Statement | MRX | Hamilton | 43 min |
| May 6, 9:19 AM EDT | Special Weather Statement | MRX | Knox, Sevier | 41 min |
| May 6, 9:58 AM EDT | Special Weather Statement | MRX | Grainger, Jefferson | 32 min |
| May 6, 11:48 AM EDT | Special Weather Statement | MRX | Hawkins, Sullivan, Unicoi, Washington | 57 min |
| May 6, 3:44 PM EDT | Special Weather Statement | MRX | Scott | 31 min |
| May 6, 3:50 PM EDT | Severe Thunderstorm Warning | MRX | Bledsoe, Sequatchie | 25 min |
| May 6, 4:19 PM EDT | Special Weather Statement | MRX | Scott | 56 min |
| May 6, 5:40 PM EDT | Severe Thunderstorm Warning | MRX | Cocke, Sevier | 35 min |
| May 6, 5:46 PM EDT | Special Weather Statement | MRX | Scott | 29 min |
| May 6, 6:14 PM EDT | Severe Thunderstorm Warning | MRX | Cocke, Sevier | 46 min |
| May 6, 6:20 PM EDT | Special Weather Statement | MRX | Campbell | 25 min |
| May 6, 6:25 PM EDT | Areal Flood Advisory | MRX | Campbell, Scott | 2 hr |
| May 6, 6:34 PM EDT | Severe Thunderstorm Warning | MRX | Bledsoe | 26 min |
| May 6, 6:59 PM EDT | Special Weather Statement | MRX | Greene | 46 min |
| May 6, 7:02 PM EDT | Special Weather Statement | MRX | Bledsoe | 28 min |
| May 6, 12:41 PM EDT | Special Weather Statement | MRX | City of Bristol | 64 min |
| May 6, 1:56 PM EDT | Special Weather Statement | MRX | Cherokee | 64 min |
| May 6, 3:02 PM EDT | Special Weather Statement | MRX | Cherokee, Clay | 43 min |
Nearby
Severe Thunderstorm Warnings in Tennessee, 2024Every 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.