Alert archive / Tennessee / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 310, NWS Morristown, TN

June 5, 1998Hamblen County, Jefferson County, Tennessee

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

TimeReportWhereRemark
Jun 5, 7:40 PM EDTHail 1Morristown, 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.

Skew-T log-pSkew-T log-p diagram, Nashville Metro, TN at 12:00Z on 1998-06-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Nashville Metro, TN at 12:00Z on 1998-06-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -146 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
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

Open this sounding in Storm Lab

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.

IssuedProductOfficeCountiesLasted
Jun 5, 5:23 AM EDTFlash Flood WarningMRXCumberland3 hr
Jun 5, 6:51 AM EDTSevere Thunderstorm WarningMRXHamilton49 min
Jun 5, 6:55 AM EDTSevere Thunderstorm WarningMRXHamilton45 min
Jun 5, 7:38 AM EDTFlash Flood WarningMRXBradley, Polk2 hr
Jun 5, 7:38 AM EDTFlash Flood WarningMRXHamilton2 hr
Jun 5, 9:06 AM EDTFlash Flood WarningMRXSevier3 hr
Jun 5, 6:26 PM EDTSevere Thunderstorm WarningMRXMonroe34 min
Jun 5, 6:50 PM EDTFlash Flood WarningMRXMonroe3 hr
Jun 5, 7:03 PM EDTSevere Thunderstorm WarningMRXKnox32 min
Jun 5, 7:08 PM EDTSevere Thunderstorm WarningMRXGrainger32 min
Jun 5, 7:11 PM EDTFlash Flood WarningMRXCumberland3 hr
Jun 5, 7:16 PM EDTSevere Thunderstorm WarningMRXSevier19 min
Jun 5, 7:26 PM EDTTornado WarningMRXJefferson, Sevier19 min
Jun 5, 7:45 PM EDTSevere Thunderstorm WarningMRXCocke, Sevier40 min
Jun 5, 7:50 PM EDTSevere Thunderstorm WarningMRXGreene, Hamblen, Hawkins35 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.