Alert archive / Tennessee / Severe Thunderstorm Warnings in 2019
Severe Thunderstorm Warning 112, NWS Morristown, TN
NWS Morristown, TN issued this severe thunderstorm warning at Aug 23, 2019, 2:30 PM EDT for McMinn County, Monroe 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
- Aug 23, 2019, 2:30 PM EDT (18:30 UTC)
- Expired
- Aug 23, 2019, 3:15 PM EDT
- In force
- 45 min
- Issued by
- NWS Morristown, TN
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties McMinn County, TN, Monroe County, TN
The radar
The Knoxville radar (KMRX), 124 km from the middle of the area, began a volume at 18:32 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, 6.5 hours before the alert went out and 230 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
- 894 J/kg
- Mixed-layer CIN
- -52 J/kg
- Mixed-layer LCL
- 959 m above ground
- 0-6 km bulk shear
- 7 kt
- 0-1 km storm-relative helicity
- -22 m²/s²
- 0-3 km storm-relative helicity
- -11 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 23, 1:55 PM EDT, 35 minutes earlier.
Area forecast discussion, Aug 23, 1:55 PM EDT, 35 minutes before
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</html>Hazardous weather outlook, Aug 23, 3:03 AM EDT, 11 hours 27 minutes before
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Local storm report, Aug 23, 1:06 PM EDT, 1 hour 24 minutes before
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</html>Special weather statement, Aug 23, 1:59 PM EDT, 31 minutes before
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</html>Special weather statement, Aug 23, 2:27 PM EDT, 3 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 22, 8:16 PM EDT | Areal Flood Advisory | MRX | Blount, McMinn, Monroe | 94 min |
| Aug 22, 8:30 PM EDT | Severe Thunderstorm Warning | MRX | Cocke, Jefferson, Sevier | 45 min |
| Aug 22, 8:59 PM EDT | Special Weather Statement | MRX | Sevier | 61 min |
| Aug 22, 9:16 PM EDT | Special Weather Statement | MRX | Cocke | 59 min |
| Aug 22, 10:46 PM EDT | Special Weather Statement | MRX | Sullivan, Washington | 59 min |
| Aug 22, 11:10 PM EDT | Special Weather Statement | MRX | Johnson, Sullivan, Washington | 65 min |
| Aug 23, 1:59 PM EDT | Special Weather Statement | MRX | McMinn | 46 min |
| Aug 23, 2:27 PM EDT | Special Weather Statement | MRX | Monroe | 48 min |
| Aug 23, 4:35 PM EDT | Special Weather Statement | MRX | Knox | 40 min |
| Aug 23, 6:40 PM EDT | Special Weather Statement | MRX | Grainger | 50 min |
| Aug 23, 7:40 PM EDT | Special Weather Statement | MRX | Anderson, Morgan | 50 min |
| Aug 23, 7:48 PM EDT | Areal Flood Advisory | MRX | Anderson, Morgan, Scott | 3 hr |
| Aug 23, 12:02 AM EDT | Special Weather Statement | MRX | Washington, City of Bristol | 58 min |
| Aug 23, 3:07 PM EDT | Special Weather Statement | MRX | Cherokee | 38 min |
Nearby
Severe Thunderstorm Warnings in Tennessee, 2019Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.