Alert archive / Tennessee / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 310, NWS Morristown, TN
NWS Morristown, TN issued this severe thunderstorm warning at Jun 5, 1998, 7:13 PM EDT for Hamblen County, Jefferson County, Tennessee. It was in force for 32 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
- Jun 5, 1998, 7:13 PM EDT (23:13 UTC)
- Expired
- Jun 5, 1998, 7:45 PM EDT
- In force
- 32 min
- Issued by
- NWS Morristown, TN
- Area
- Whole counties
Counties Hamblen County, TN, Jefferson County, TN
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 5, 7:40 PM EDT | Hail 1 | Morristown, 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
Nashville Metro, TN (KBNA), launched 12:00Z, 11.2 hours before the alert went out and 291 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 552 m above ground
- 0-6 km bulk shear
- 63 kt
- 0-1 km storm-relative helicity
- -146 m²/s²
- 0-3 km storm-relative helicity
- -71 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
156 WUUS01 KMRX 052314 RRA SVRMRX TNC063-089-052345- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE KNOXVILLE/TRI-CITIES TN 713 PM EDT FRI JUN 5 1998 THE NATIONAL WEATHER SERVICE IN KNOXVILLE/TRI-CITIES HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... HAMBLEN COUNTY IN EASTERN TENNESSEE JEFFERSON COUNTY IN EASTERN TENNESSEE * UNTIL 745 PM EDT * AT 712 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERAL SEVERE THUNDERSTORMS IN SOUTHERN GRAINGER COUNTY AND EXTREME EASTERN KNOX COUNTY...MOVING EAST AT 30 MPH. * THE SEVERE THUNDERSTORMS WILL BE NEAR... MORRISTOWN AT 725 PM EDT DANDRIDGE AT 730 PM EDT DAMAGING WINDS AND LARGE HAIL ARE LIKELY. GO INSIDE A STURDY BUILDING AND STAY AWAY FROM WINDOWS
The office that day
Everything else NWS Morristown, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 5, 5:23 AM EDT | Flash Flood Warning | MRX | Cumberland | 3 hr |
| Jun 5, 6:51 AM EDT | Severe Thunderstorm Warning | MRX | Hamilton | 49 min |
| Jun 5, 6:55 AM EDT | Severe Thunderstorm Warning | MRX | Hamilton | 45 min |
| Jun 5, 7:38 AM EDT | Flash Flood Warning | MRX | Bradley, Polk | 2 hr |
| Jun 5, 7:38 AM EDT | Flash Flood Warning | MRX | Hamilton | 2 hr |
| Jun 5, 9:06 AM EDT | Flash Flood Warning | MRX | Sevier | 3 hr |
| Jun 5, 6:26 PM EDT | Severe Thunderstorm Warning | MRX | Monroe | 34 min |
| Jun 5, 6:50 PM EDT | Flash Flood Warning | MRX | Monroe | 3 hr |
| Jun 5, 7:03 PM EDT | Severe Thunderstorm Warning | MRX | Knox | 32 min |
| Jun 5, 7:08 PM EDT | Severe Thunderstorm Warning | MRX | Grainger | 32 min |
| Jun 5, 7:11 PM EDT | Flash Flood Warning | MRX | Cumberland | 3 hr |
| Jun 5, 7:16 PM EDT | Severe Thunderstorm Warning | MRX | Sevier | 19 min |
| Jun 5, 7:26 PM EDT | Tornado Warning | MRX | Jefferson, Sevier | 19 min |
| Jun 5, 7:45 PM EDT | Severe Thunderstorm Warning | MRX | Cocke, Sevier | 40 min |
| Jun 5, 7:50 PM EDT | Severe Thunderstorm Warning | MRX | Greene, Hamblen, Hawkins | 35 min |
Nearby
Severe Thunderstorm Warnings in Tennessee, 1998Every severe thunderstorm warning 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.