Alert archive / Tennessee / Tornado Warnings in 1998
Tornado Warning 52, NWS Morristown, TN
NWS Morristown, TN issued this tornado warning at May 31, 1998, 10:25 PM EDT for Campbell County, Tennessee. It was in force for 50 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 31, 1998, 10:25 PM EDT (02:25 UTC)
- Expired
- May 31, 1998, 11:15 PM EDT
- In force
- 50 min
- Issued by
- NWS Morristown, TN
- Area
- Whole counties
County Campbell County, TN
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 31, 9:45 PM EDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 00:00Z, 2.4 hours before the alert went out and 222 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
- 3629 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 1064 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 156 m²/s²
- 0-3 km storm-relative helicity
- 302 m²/s²
- Significant tornado parameter
- 5.1
- Supercell composite
- 21.7
The text
As transmitted, in the capitals the NWS used until 2016.
510 WFUS01 KMRX 010226 RRA TORMRX TNC013-010315- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE KNOXVILLE/TRI-CITIES TN 1025 PM EDT SUN MAY 31 1998 THE NATIONAL WEATHER SERVICE IN KNOXVILLE/TRI-CITIES HAS ISSUED A * TORNADO WARNING FOR... NORTHEASTERN CAMPBELL COUNTY IN EASTERN TENNESSEE * UNTIL 1115 PM EDT * AT 1025 PM EDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A TORNADO NEAR JELLICO... MOVING SOUTHEAST AT 35 MPH. * THE TORNADO IS EXPECTED TO BE NEAR... MORLEY AT 1030 PM EDT WHITE OAK AT 1035 PM EDT HABERSHAM AT 1040 PM EDT GO TO THE BASEMENT OR A SMALL INTERIOR ROOM ON THE LOWEST FLOOR
What forecasters said that day
The local office's own words before this tornado 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 tornado warning went out at May 31, 8:25 PM EDT, 2 hours earlier.
Area forecast discussion, May 31, 8:25 PM EDT, 2 hours before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE KNOXVILLE/TRI-CITIES TN 825 PM EDT SUN MAY 31 1998 MODIFIED BNA SOUNDING RATHER LETHAL THIS EVE WITH CAPE ARND 2800 AND HELICITY ARND 300. WITH THIS PROFILE...SUPERCELL STORMS MAY DEVELOP ALTHOUGH MAIN THREAT APPEARS TO BE DOWNBURST WIND AND HAIL. INITIAL LINE OF STORMS MOVG ALONG OUTFLOW WL REACH SW VA ZONES ARND 02Z AND LATER WHILE DEVELOPMENT WL OCCUR AFT MIDNITE MUCH OF THE REMAINDER OF THE FA WITH TE EXCEPTION OF EXTREME NE TN ZONES. STORMS WL REACH THIS AREA ARND 03-04Z. DONT EXPECT CD FNT ON PLATEAU UNTIL 08Z.
The office that day
Everything else NWS Morristown, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 31, 10:28 PM EDT | Severe Thunderstorm Warning | MRX | Claiborne | 62 min |
| May 31, 10:43 PM EDT | Tornado Warning | MRX | Claiborne | 47 min |
| May 31, 10:52 PM EDT | Severe Thunderstorm Warning | MRX | Scott | 63 min |
| May 31, 11:10 PM EDT | Severe Thunderstorm Warning | MRX | Campbell | 65 min |
| May 31, 11:30 PM EDT | Severe Thunderstorm Warning | MRX | Anderson, Claiborne, Union | 60 min |
| May 31, 11:30 PM EDT | Severe Thunderstorm Warning | MRX | Fentress, Morgan | 60 min |
| May 31, 11:54 PM EDT | Severe Thunderstorm Warning | MRX | Scott | 66 min |
| Jun 1, 12:12 AM EDT | Flash Flood Warning | MRX | Campbell, Scott | 3 hr |
| Jun 1, 12:19 AM EDT | Severe Thunderstorm Warning | MRX | Grainger | 61 min |
| Jun 1, 12:28 AM EDT | Severe Thunderstorm Warning | MRX | Anderson | 62 min |
| Jun 1, 12:33 AM EDT | Severe Thunderstorm Warning | MRX | Claiborne | 47 min |
| Jun 1, 12:35 AM EDT | Severe Thunderstorm Warning | MRX | Campbell | 50 min |
| Jun 1, 12:45 AM EDT | Severe Thunderstorm Warning | MRX | Hamblen, Jefferson | 65 min |
| Jun 1, 12:45 AM EDT | Severe Thunderstorm Warning | MRX | Knox | 65 min |
| Jun 1, 1:00 AM EDT | Severe Thunderstorm Warning | MRX | Cocke, Sevier | 65 min |
| Jun 1, 1:00 AM EDT | Severe Thunderstorm Warning | MRX | Blount | 65 min |
| Jun 1, 1:30 AM EDT | Flash Flood Warning | MRX | Anderson, Knox | 3 hr |
| Jun 1, 2:02 AM EDT | Flash Flood Warning | MRX | Blount | 3 hr |
| Jun 1, 2:18 AM EDT | Severe Thunderstorm Warning | MRX | Meigs, Rhea | 32 min |
| Jun 1, 2:20 AM EDT | Severe Thunderstorm Warning | MRX | Meigs, Rhea | 30 min |
| Jun 1, 2:58 AM EDT | Severe Thunderstorm Warning | MRX | McMinn | 47 min |
| Jun 1, 4:24 AM EDT | Flash Flood Warning | MRX | Blount, 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; the sounding from the Mesonet's radiosonde archive.