Alert archive / Tennessee / Tornado Warnings in 1993
Tornado Warning 4, NWS Morristown, TN
NWS Morristown, TN issued this tornado warning at Jun 30, 1993, 8:09 PM EDT for Knox County, Tennessee. It was in force for 51 min.
The area
The counties it named.
The facts
- Issued
- Jun 30, 1993, 8:09 PM EDT (00:09 UTC)
- Expired
- Jun 30, 1993, 9:00 PM EDT
- In force
- 51 min
- Issued by
- NWS Morristown, TN
- Area
- Whole counties
County Knox County, TN
The nearest sounding before it
Athens Municipal, GA (KAHN), launched 00:00Z, 0.2 hours before the alert went out and 234 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
- 834 J/kg
- Mixed-layer CIN
- -13 J/kg
- Mixed-layer LCL
- 1655 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- -19 m²/s²
- 0-3 km storm-relative helicity
- 55 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KTYS 010010 TORTYS TNC093-010100- BULLETIN - EBS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE KNOXVILLE TN 809 PM EDT WED JUN 30 1993 THE NATIONAL WEATHER SERVICE IN KNOXVILLE HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 900 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN EAST CENTRAL TENNESSEE ...KNOX COUNTY AT 807 PM EDT THE 911 CENTER REPORTED SEVERAL CALL-INS ON FUNNEL CLOUDS. THEY WERE MOVING SOUTHEAST AT 15 MPH. IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS A BASEMENT. GET UNDER A WORKBENCH OR PIECE OF STURDY FURNITURE. IF NO BASEMENT IS AVAILABLE...SEEK SHELTER IN AN INTERIOR ROOM SUCH AS A CLOSET ON THE LOWEST FLOOR. USE BLANKETS...PILLOWS... O&R CUSHIONS TO COVER YOUR BODY. AVOID WINDOWS.
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.
In the hours before
Special weather statement, Jun 30, 5:35 PM EDT, 2 hours 34 minutes before
TNZ001-004-016-VAZ015-016-010300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BRISTOL TN 535 PM EDT WED JUN 30 1993 ...SEVERE THUNDERSTORM WATCH FOR PORTIONS OF SOUTHWESTERN VIRGINIA... THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR PORTIONS OF SOUTHWESTERN VIRGINIA. THE COUNTIES IN THIS WATCH ARE BUCHANAN...DICKENSON...LEE...RUSSELL...SCOTT...TAZEWELL AND WISE. ALSO INCLUDED IS THE INDEPENDENT CITY OF NORTON. REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS IN OR NEAR THE WATCH AREA. IF YOU OBSERVE SEVERE WEATHER...GET INTO SHELTER AND WAIT FOR CONDTIONS TO IMPROVE. STAY TUNDED TO LOCAL TV...RADIO OR NOAA WEATHER RADIO FOR FURTHER INFORMATION OR POSSIBLE WARNINGS.
Special weather statement, Jun 30, 5:39 PM EDT, 2 hours 30 minutes before
TNZ001-004-016-VAZ015-016-010300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BRISTOL TN 535 PM EDT WED JUN 30 1993 ...SEVERE THUNDERSTORM WATCH FOR PORTIONS OF SOUTHWESTERN VIRGINIA... THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR PORTIONS OF SOUTHWESTERN VIRGINIA. THE COUNTIES IN THIS WATCH ARE BUCHANAN...DICKENSON...LEE...RUSSELL...SCOTT...TAZEWELL AND WISE. ALSO INCLUDED IS THE INDEPENDENT CITY OF NORTON. REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS IN OR NEAR THE WATCH AREA. IF YOU OBSERVE SEVERE WEATHER...GET INTO SHELTER AND WAIT FOR CONDTIONS TO IMPROVE. STAY TUNDED TO LOCAL TV...RADIO OR NOAA WEATHER RADIO FOR FURTHER INFORMATION OR POSSIBLE WARNINGS.
Special weather statement, Jun 30, 6:25 PM EDT, 1 hour 44 minutes before
TNZ001>016-VAZ008-009-013>016-KYZ006>009-WVZ003-004-006>008-
NCZ006>013-SCZ001>004-GAZ002-190045-
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE BRISTOL TN
625 PM EDT WED JUN 30 1993
...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR EXTREME
SOUTHWESTERN VIRGINIA UNTIL 11 PM EDT...
AT 6 25 PM...WIDELY SCATTERED THUNDERSTORMS...SOME WITH VERY
HEAVY RAIN...WERE OVER A 90 MILE WIDE AREA FROM 50 MILES
SOUTHWEST OF KNOXVILLE TENNESSEE...NORTH ACROSS EASTERN
KENTUCKY...TO 40 MILES NORTH OF HUNTINGTON WEST VIRGINIA.Special weather statement, Jun 30, 6:39 PM EDT, 1 hour 30 minutes before
TNZ001>016-VAZ008-009-013>016-KYZ006>009-WVZ003-004-006>008-
NCZ006>013-SCZ001>004-GAZ002-190045-
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE BRISTOL TN
625 PM EDT WED JUN 30 1993
...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR EXTREME
SOUTHWESTERN VIRGINIA UNTIL 11 PM EDT...
AT 6 25 PM...WIDELY SCATTERED THUNDERSTORMS...SOME WITH VERY
HEAVY RAIN...WERE OVER A 90 MILE WIDE AREA FROM 50 MILES
SOUTHWEST OF KNOXVILLE dTENNESSEE...NORTH ACROSS EASTERN
KENTUCKY...TO 40 MILES NORTH OF HUNTINGTON WEST VIRGINIA.Special weather statement, Jun 30, 7:25 PM EDT, 44 minutes before
TNZ001>016-VAZ008-009-013>016-KYZ006>009-WVZ003-004-006>008-
NCZ006>013-SCZ001>004-GAZ002-190045-
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE BRISTOL TN
725 PM EDT WED JUN 30 1993
...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR EXTREME
SOUTHWESTERN VIRGINIA UNTIL 11 PM EDT...
AT 7 25 PM...SCATTERED THUNDERSTORMS...SOME WITH VERY
HEAVY RAIN...WERE OVER EAST TENNESSEE NORTH AND WEST OF
KNOXVILLE...OVER MOST OF EASTERN KENTUCKY...OVER SOUTHWESTERN
WEST VIRGINIA SOUTH AND WEST OF CHARLESTON...AND WERE JUST
BEGINNING TO ENTER EXTREME SOUTHWESTERN VIRGINIA.Special weather statement, Jun 30, 7:35 PM EDT, 34 minutes before
TNZ001>016-VAZ008-009-013>016-KYZ006>009-WVZ003-004-006>008-
NCZ006>013-SCZ001>004-GAZ002-190045-
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE BRISTOL TN
725 PM EDT WED JUN 30 1993
...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR EXTREME
SOUTHWESTERN VIRGINIA UNTIL 11 PM EDT...
AT 7 25 PM...SCATTERED THUNDERSTORMS...SOME WITH VERY
HEAVY RAIN...WERE OVER EAST TENNESSEE NORTH AND WEST OF
KNOXVILLE...OVER MOST OF EASTERN KENTUCKY...OVER SOUTHWESTERN
WEST VIRGINIA SOUTH AND WEST OF CHARLESTON...AND WERE JUST
BEGINNING TO ENTER EXTREME SOUTHWESTERN VIRGINIA.The office that day
Everything else NWS Morristown, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 30, 8:10 PM EDT | Severe Thunderstorm Warning | MRX | Hawkins | 35 min |
Nearby
Tornado Warnings in Tennessee, 1993Every tornado warning in 1993Tornadoes in 1993
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.