Alert archive / Tennessee / Tornado Warnings in 1998
Tornado Warning 39, NWS Morristown, TN
NWS Morristown, TN issued this tornado warning at Apr 16, 1998, 11:36 PM EDT for Bradley County, Tennessee. It was in force for 34 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
- Apr 16, 1998, 11:36 PM EDT (03:36 UTC)
- Expired
- Apr 17, 1998, 12:10 AM EDT
- In force
- 34 min
- Issued by
- NWS Morristown, TN
- Area
- Whole counties
County Bradley County, TN
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 17, 12:20 AM EDT | Tornado F1 | Cleveland, 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 16, 11:00 PM EDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 3.6 hours before the alert went out and 201 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
- 1217 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 573 m above ground
- 0-6 km bulk shear
- 69 kt
- 0-1 km storm-relative helicity
- 280 m²/s²
- 0-3 km storm-relative helicity
- 368 m²/s²
- Significant tornado parameter
- 3.0
- Supercell composite
- 10.6
The text
As transmitted, in the capitals the NWS used until 2016.
639 WFUS01 KMRX 170337 RRA TORMRX TNC011-170410- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE KNOXVILLE/TRI-CITIES TN 1136 PM EDT THU APR 16 1998 THE NATIONAL WEATHER SERVICE IN KNOXVILLE/TRI-CITIES HAS ISSUED A * TORNADO WARNING FOR... BRADLEY COUNTY IN EASTERN TENNESSEE * UNTIL 1210 AM EDT * AT 1134 PM EDT... SPOTTERS INDICATED A TORNADO NEAR CLEVELAND... MOVING NORTHEAST AT 40 MPH. * THE TORNADO IS EXPECTED TO BE NEAR... EAST CLEVELAND AT 1145 PM EDT A TORNADO IS ON THE GROUND GO TO THE BASEMENT IF A BASEMENT IS NOT AVAILABLE...GO TO A SMALL INTERIOR ROOM ON THE LOWEST FLOOR HSA &
The office that day
Everything else NWS Morristown, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 16, 8:02 PM EDT | Tornado Warning | MRX | Hancock | 63 min |
| Apr 16, 8:06 PM EDT | Severe Thunderstorm Warning | MRX | Loudon, Roane | 59 min |
| Apr 16, 8:20 PM EDT | Severe Thunderstorm Warning | MRX | Knox | 65 min |
| Apr 16, 8:37 PM EDT | Severe Thunderstorm Warning | MRX | Cumberland | 63 min |
| Apr 16, 8:50 PM EDT | Severe Thunderstorm Warning | MRX | Jefferson, Sevier | 65 min |
| Apr 16, 9:01 PM EDT | Tornado Warning | MRX | Hamblen, Jefferson | 64 min |
| Apr 16, 9:27 PM EDT | Severe Thunderstorm Warning | MRX | Cocke, Greene | 63 min |
| Apr 16, 9:32 PM EDT | Severe Thunderstorm Warning | MRX | Morgan | 48 min |
| Apr 16, 9:38 PM EDT | Tornado Warning | MRX | Meigs, Rhea | 62 min |
| Apr 16, 9:53 PM EDT | Flash Flood Warning | MRX | Anderson, Campbell, Claiborne, Union | 6 hr |
| Apr 16, 9:55 PM EDT | Severe Thunderstorm Warning | MRX | Campbell | 50 min |
| Apr 16, 10:51 PM EDT | Severe Thunderstorm Warning | MRX | Hamilton | 64 min |
| Apr 16, 11:20 PM EDT | Flash Flood Warning | MRX | Anderson, Roane | 5 hr |
| Apr 16, 11:24 PM EDT | Severe Thunderstorm Warning | MRX | Meigs, Rhea | 61 min |
| Apr 16, 11:24 PM EDT | Severe Thunderstorm Warning | MRX | Bradley | 61 min |
| Apr 16, 11:41 PM EDT | Tornado Warning | MRX | McMinn | 49 min |
| Apr 16, 11:54 PM EDT | Severe Thunderstorm Warning | MRX | Loudon, Monroe, Roane | 61 min |
| Apr 16, 11:54 PM EDT | Tornado Warning | MRX | Blount, Loudon | 46 min |
| Apr 17, 12:10 AM EDT | Flash Flood Warning | MRX | Loudon | 3 hr |
| Apr 17, 12:17 AM EDT | Severe Thunderstorm Warning | MRX | Polk | 63 min |
| Apr 17, 12:35 AM EDT | Flash Flood Warning | MRX | Knox | 3 hr |
Nearby
Tornado Warnings in Tennessee, 1998Every tornado warning in 1998Tornadoes in 1998
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.