Alert archive / Tennessee / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 13, NWS Morristown, TN

June 28, 1994Greene County, Washington County, Tennessee

NWS Morristown, TN issued this severe thunderstorm warning at Jun 28, 1994, 4:46 PM EDT for Greene County, Washington County, Tennessee. It was in force for 29 min.

The area

The counties it named.

The facts

Issued
Jun 28, 1994, 4:46 PM EDT (20:46 UTC)
Expired
Jun 28, 1994, 5:15 PM EDT
In force
29 min
Issued by
NWS Morristown, TN
Area
Whole counties

Counties Greene County, TN, Washington County, TN

The nearest sounding before it

Huntington/Tri S, WV (KHTS), launched 12:00Z, 8.8 hours before the alert went out and 238 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, Huntington/Tri S, WV at 12:00Z on 1994-06-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Huntington/Tri S, WV at 12:00Z on 1994-06-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 38 square meters per square second.193958Sfc1 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
778 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
38 m²/s²
0-3 km storm-relative helicity
95 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.

000 
TTAA00 KTRI 282051 RRA
SVRTRI
TNC059-179-282115-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BRISTOL TN
446 PM EDT TUE JUN 28 1994
 
THE NATIONAL WEATHER SERVICE IN BRISTOL HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  515 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...S...
 
IN NORTHEAST TENNESSEE
 
   ...EASTERN GREENE COUNTY...WASHINGTON COUNTY
 
NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM 10 MILES
WEST OF JONESBORO IN EASTERN GREENE COUNTY. THE CITIES OF JONESBORO...
ERWIN... UNICOI... AND JOHNSON CITY ARE IN THE PATH OF THIS STORM.
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS.  HEAVY RAINS FLOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
 
 
 
&

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.

In the hours before

Special weather statement, Jun 28, 11:51 AM EDT, 4 hours 55 minutes before
GAZ001-002-003-004-TNZ082-100-079-099-085-098-084-101-102-083-081-
080-281800-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHATTANOOGA TN
1152 AM EDT (1052 AM CDT) TUE JUN 28 1994

...SEVERE THUNDERSTORMS ARE POSSIBLE THIS AFTERNOON AND EVENING...

THUNDERSTORMS ARE EXPECTED TO DEVELOP ACROSS SOUTHEAST TENNESSEE AND
NORTHWEST GEORGIA THIS AFTERNOON AND CONTINUE INTO THE EVENING HOURS.
SOME OF THESE THUNDERSTORMS COULD BECOME SEVERE AND PRODUCE DAMAGING
WIND...DEADLY LIGHTNING...HAIL AND HEAVY RAIN.

ALL PERSONS IN SOUTHEAST TENNESSEE AND NORTHWEST GEORGIA ARE ENCOURAGED
TO STAY CURRENT ON THE LATEST WEATHER CONDITIONS BY LISTENING TO NOAA
WEATHER RADIO...TELEVISION OR RADIO STATIONS.

STAY TUNED TO THIS STATION FOR LATER STATEMENTS.
Special weather statement, Jun 28, 11:51 AM EDT, 4 hours 55 minutes before
GAZ001-002-003-004-TNZ082-100-079-099-085-098-084-101-102-083-081-
080-281800-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHATTANOOGA TN
1152 AM EDT (1052 AM CDT) TUE JUN 28 1994

...SEVERE THUNDERSTORMS ARE POSSIBLE THIS AFTERNOON AND EVENING...

THUNDERSTORMS ARE EXPECTED TO DEVELOP ACROSS SOUTHEAST TENNESSEE AND
NORTHWEST GEORGIA THIS AFTERNOON AND CONTINUE INTO THE EVENING HOURS.
SOME OF THESE THUNDERSTORMS COULD BECOME SEVERE AND PRODUCE DAMAGING
WIND...DEADLY LIGHTNING...HAIL AND HEAVY RAIN.

ALL PERSONS IN SOUTHEAST TENNESSEE AND NORTHWEST GEORGIA ARE ENCOURAGED
TO STAY CURRENT ON THE LATEST WEATHER CONDITIONS BY LISTENING TO NOAA
WEATHER RADIO...TELEVISION OR RADIO STATIONS.

STAY TUNED TO THIS STATION FOR LATER STATEMENTS.
Special weather statement, Jun 28, 2:30 PM EDT, 2 hours 16 minutes before
TNZ015>018-042>047-VAZ001>009-281950-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE BRISTOL TENNESSEE
230 PM EDT TUE JUN 28 1994

...STRONG THUNDERSTORMS WERE APPROACHING HANCOCK AND HAWKINS
COUNTIES OF NORTHEAST TENNESSEE...

AT 2:26 PM RAPIDLY MOVING THUNDERSTORMS WITH STRONG WINDS AND
POSSIBLE HAIL EXTENDED FROM NORTHWEST THROUGH SOUTHWEST OF MORRISTOWN
TENNESSEE AND WERE MOVING EAST NEAR 50 MILES AN HOUR. THESE WERE THE
LEADING EDGE OF A VERY LARGE AREA OF THUNDERSTORMS THAT EXTENDED
WEST AND NORTHWEST TO NASHVILLE TENNESSEE AND BOWLING GREEN KENTUCKY.

AT THE PRESENT MOVEMENT THESE STORMS WILL ENTER THE LOCAL TRI-CITY
AREA WITHIN THE NEXT TWO HOURS.
Special weather statement, Jun 28, 2:36 PM EDT, 2 hours 10 minutes before
TNZ015>018-042>047-VAZ001>009-281950-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE BRISTOL TENNESSEE
230 PM EDT TUE JUN 28 1994

...STRONG THUNDERSTORMS WERE APPROACHING HANCOCK AND HAWKINS
COUNTIES OF NORTHEAST TENNESSEE...

AT 2:26 PM RAPIDLY MOVING THUNDERSTORMS WITH STRONG WINDS AND
POSSIBLE HAIL EXTENDED FROM NORTHWEST THROUGH SOUTHWEST OF MORRISTOWN
TENNESSEE AND WERE MOVING EAST NEAR 50 MILES AN HOUR. THESE WERE THEX
LEADING EDGE OF A VERY LARGE AREA OF THUNDERSTORMS THAT EXTENDED
WEST AND NORTHWEST TO NASHVILLE TENNESSEE AND BOWLING GREEN KENTUCKY.

AT THE PRESENT MOVEMENT THESE STORMS WILL ENTER THE LOCAL TRI-CITY
AREA WITHIN THE NEXT TWO HOURS.
Special weather statement, Jun 28, 3:30 PM EDT, 1 hour 16 minutes before
TNZ015>018-042>047-VAZ001>009-282050-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE BRISTOL TENNESSEE
330 PM EDT TUE JUN 28 1994

...STRONG THUNDERSTORMS MOVING INTO THE TRI-CITIES...

AT 3:28 PM RAPIDLY MOVING THUNDERSTORMS WITH STRONG WINDS AND
POSSIBLE HAIL WERE IN NORTHEAST TENNESSEE AND SOUTHWESTERN
VIRGINIA SOUTHWEST THROUGH WEST THROUGH NORTHWEST OF THE TRI-CITY
AIRPORT. THEY EXTENDED WELL WEST TO THE NASHVILLE TENNESSEE AND
BOWLING GREEN KENTUCKY VICINITIES.

THE STORMS WERE MOVING TO THE EAST NEAR 50 MILES AN HOUR.
Special weather statement, Jun 28, 3:37 PM EDT, 1 hour 9 minutes before
TNZ015>018-042>047-VAZ001>009-282050-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE BRISTOL TENNESSEE
330 PM EDT TUE JUN 28 1994

...STRONG THUNDERSTORMS MOVING INTO THE TRI-CITIES...

AT 3:28 PM RAPIDLY MOVING THUNDERSTORMS WITH STRONG WINDS AND
POSSIBLE HAIL WERE IN NORTHEAST TENNESSEE AND SOUTHWESTERN
VIRGINIA SOUTHWEST THROUGH WEST THROUGH NORTHWEST OF THE TRI-CITY
AIRPORT. THEY EXTENDED WELL WEST TO THE NASHVILLE TENNESSEE AND
BOWLING GREEN KENTUCKY VICINITIES.

THE STORMS WERE MOVING TO THE EAST NEAR 50 MILES AN HOUR.

The office that day

Everything else NWS Morristown, TN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 28, 5:20 PM EDTSevere Thunderstorm WarningMRXUnicoi40 min

Nearby

Severe Thunderstorm Warnings in Tennessee, 1994Every severe thunderstorm warning in 1994

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.