Alert archive / Tennessee / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 51, NWS Morristown, TN
NWS Morristown, TN issued this severe thunderstorm warning at Mar 5, 1997, 8:39 AM CST for Cumberland County, Fentress County, Tennessee. It was in force for 66 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Mar 5, 1997, 8:39 AM CST (14:39 UTC)
- Expired
- Mar 5, 1997, 9:45 AM CST
- In force
- 66 min
- Issued by
- NWS Morristown, TN
- Area
- Whole counties
Counties Cumberland County, TN, Fentress County, TN
The radar
The Knoxville radar (KMRX), 140 km from the middle of the area, began a volume at 14:43 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 was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 5, 9:05 AM CST | Hail 0.75 | South Part Of County, TN |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 2.7 hours before the alert went out and 314 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
- 11 J/kg
- Mixed-layer CIN
- -224 J/kg
- Mixed-layer LCL
- 672 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 81 m²/s²
- 0-3 km storm-relative helicity
- 153 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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 Mar 5, 8:35 AM CST, 4 minutes earlier.
Area forecast discussion, Mar 5, 8:35 AM CST, 4 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 |
|---|---|---|---|---|
| Mar 5, 7:38 AM CST | Severe Thunderstorm Warning | MRX | Fentress | 52 min |
| Mar 5, 7:54 AM CST | Severe Thunderstorm Warning | MRX | Scott | 66 min |
| Mar 5, 8:59 AM CST | Severe Thunderstorm Warning | MRX | Morgan | 61 min |
| Mar 5, 9:04 AM CST | Severe Thunderstorm Warning | MRX | Scott | 56 min |
| Mar 5, 9:21 AM CST | Severe Thunderstorm Warning | MRX | Campbell | 69 min |
| Mar 5, 9:47 AM CST | Severe Thunderstorm Warning | MRX | Claiborne, Union | 58 min |
| Mar 5, 9:53 AM CST | Tornado Warning | MRX | Campbell | 37 min |
| Mar 5, 10:30 AM CST | Tornado Warning | MRX | Anderson, Campbell, Morgan, Scott | 60 min |
| Mar 5, 10:35 AM CST | Severe Thunderstorm Warning | MRX | Hancock | 55 min |
| Mar 5, 10:41 AM CST | Flash Flood Warning | MRX | Cumberland, Fentress, Morgan, Scott | 4 hr |
| Mar 5, 10:41 AM CST | Flash Flood Warning | MRX | Claiborne, Hancock | 4 hr |
| Mar 5, 10:41 AM CST | Flash Flood Warning | MRX | Anderson, Campbell, Union | 4 hr |
| Mar 5, 10:59 AM CST | Flash Flood Warning | MRX | Claiborne, Union | 46 min |
| Mar 5, 10:59 AM CST | Severe Thunderstorm Warning | MRX | Claiborne, Union | 46 min |
| Mar 5, 11:49 AM CST | Flash Flood Warning | MRX | Grainger, Hawkins | 4 hr |
| Mar 5, 1:10 PM CST | Severe Thunderstorm Warning | MRX | Rhea, Roane | 35 min |
| Mar 5, 1:36 PM CST | Severe Thunderstorm Warning | MRX | Knox, Loudon | 39 min |
| Mar 5, 1:54 PM CST | Severe Thunderstorm Warning | MRX | Blount, Sevier | 36 min |
| Mar 5, 2:29 PM CST | Severe Thunderstorm Warning | MRX | Cocke, Greene | 61 min |
| Mar 5, 3:09 PM CST | Severe Thunderstorm Warning | MRX | Carter | 51 min |
| Mar 5, 10:03 AM CST | Severe Thunderstorm Warning | MRX | Lee | 57 min |
| Mar 5, 11:49 AM CST | Flash Flood Warning | MRX | Scott, Wise | 4 hr |
Nearby
Severe Thunderstorm Warnings in Tennessee, 1997Every severe thunderstorm warning in 1997
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.