Alert archive / Tennessee / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 304, NWS Morristown, TN
NWS Morristown, TN issued this severe thunderstorm warning at Jun 4, 1998, 1:15 PM EDT for Bradley County, Hamilton County, Tennessee. It was in force for 45 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
- Jun 4, 1998, 1:15 PM EDT (17:15 UTC)
- Expired
- Jun 4, 1998, 2:00 PM EDT
- In force
- 45 min
- Issued by
- NWS Morristown, TN
- Area
- Whole counties
Counties Bradley County, TN, Hamilton County, TN
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 12:00Z, 5.3 hours before the alert went out and 179 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
- 1318 J/kg
- Mixed-layer CIN
- -57 J/kg
- Mixed-layer LCL
- 527 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 202 m²/s²
- 0-3 km storm-relative helicity
- 218 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 4.8
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 Jun 4, 9:45 AM EDT, 3 hours 30 minutes earlier.
Area forecast discussion, Jun 4, 9:45 AM EDT, 3 hours 30 minutes before
AREA FORECAST DISCUSSION...CORRECTED NATIONAL WEATHER SERVICE KNOXVILLE/TRI-CITIES TN 945 AM EDT THU JUN 4 1998 KHTX AND KMRX 88DS SHOWING THUNDERSTORMS ENTERING EAST TN. SURFACE FRONT PROVIDING A FOCUS FOR ACTIVITY. BNA 12Z SOUNDING INDICATING VERY UNSTABLE CONDITIONS TODAY. SHORTWAVE EXPECTED TO PASS OVER EAST TN LATE THIS AFTERNOON...SO THINK LIKELY POPS FOR THUNDERSTORMS OVER THE ENTIRE CWA LOOKS GOOD FOR THE REST OF TODAY. MAY GET SOME BREAKS OF SUNSHINE THIS AFTERNOON AFTER THIS FIRST BATCH OF CONVECTION MOVES THROUGH...BUT CU WILL DEVELOP QUICKLY. TEMPERATURES SHOULD BE OK. RDU AND CRW...MAY WANT TO RAISE POPS TO 60% FOR TODAY. GH
In the hours before
Local storm report, Jun 4, 12:05 PM EDT, 1 hour 10 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KNOXVILLE/TRI-CITIES TN
1202 AM EDT THU JUN 4 1998
TIME(EDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION..6..
1115 AM HANGING DOG AREA NC WIND DAMAGE
06/04/98 CHEROKEE TREES DOWN HANGING DOG AND
ED GRAVES ROAD AREASThe office that day
Everything else NWS Morristown, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 3, 8:02 PM EDT | Tornado Warning | MRX | Carter, Johnson | 63 min |
| Jun 3, 8:02 PM EDT | Tornado Warning | MRX | Unicoi, Washington | 63 min |
| Jun 3, 8:37 PM EDT | Flash Flood Warning | MRX | Carter, Johnson | 2 hr |
| Jun 4, 10:00 AM EDT | Severe Thunderstorm Warning | MRX | Johnson, Sullivan | 60 min |
| Jun 4, 2:56 PM EDT | Flash Flood Warning | MRX | Johnson, Sullivan | 6 hr |
| Jun 4, 2:56 PM EDT | Flash Flood Warning | MRX | Carter, Washington | 6 hr |
| Jun 4, 2:56 PM EDT | Flash Flood Warning | MRX | Hawkins | 6 hr |
| Jun 4, 2:56 PM EDT | Flash Flood Warning | MRX | Lee, Wise | 6 hr |
| Jun 4, 10:59 AM EDT | Severe Thunderstorm Warning | MRX | Cherokee, Clay | 31 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; the sounding from the Mesonet's radiosonde archive.