Alert archive / Tennessee / Tornado Warnings in 1989
Tornado Warning 4, NWS Nashville, TN
NWS Nashville, TN issued this tornado warning at Apr 4, 1989, 1:40 AM CDT for DeKalb County, Tennessee. It was in force for 35 min.
The area
The counties it named.
The facts
- Issued
- Apr 4, 1989, 1:40 AM CDT (06:40 UTC)
- Expired
- Apr 4, 1989, 2:15 AM CDT
- In force
- 35 min
- Issued by
- NWS Nashville, TN
- Area
- Whole counties
County DeKalb County, TN
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 00:00Z, 6.7 hours before the alert went out and 71 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
- 119 J/kg
- Mixed-layer CIN
- -120 J/kg
- Mixed-layer LCL
- 735 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 337 m²/s²
- 0-3 km storm-relative helicity
- 419 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KBNA 040641
TORBNA
TNC015-041-149-189-040715-
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
140 AM CDT TUE APR 4 1989
THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL 215 AM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN MIDDLE TENNESSEE
...CANNON...DEKALB...NORTHERN RUTHERFORD...SOUTHERN WILSON
POLICE REPORT A TORNADO TOUCHDOWN ON RICHLAND ROAD IN THE
CITY LIMITS OF SMYRNA IN THE PAST 15 MINUTES. DAMAGE WAS
UNKNOWN. THE TORNADO IS MOVING NORTHEAST TOWARDS SOUTHERN
WILSON AND COULD ALSO AFFECT DEKALB AND CANNON COUNTIES.
.
THIS IS A DANGEROUS STORM SITUATION. ACT QUICKLY. IF YOU ARE
IN THE PATH OF THIS TORNADO MOVE TO A SHELTER BELOW GROUND IF
AVAILABLE. OTHERWISE...GO TO A SMALL INTERIOR ROOM ON THE LOWEST
FLOOR POSSIBLE. AVOID WINDOWS. ABANDON CARS AND MOBILE HOMES
FOR A REINFORCED BUILDING OR GET INTO A DITCH OR CULVERT.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, Apr 3, 10:00 PM CDT, 3 hours 40 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NASHVILLE TN 1000 PM CDT MON APR 3 1989 ...TORNADO WATCH IN EFFECT FOR ALL OF MIDDLE TENNESSEE UNTIL 2 AM CDT... A LINE OF STRONG THUNDERSTORMS MOVING INTO EXTREME NORTHWEST MIDDLE TENNESSEE. WEATHER SERVICE RADAR INDICATED A LINE OF STRONG THUNDERSTORMS JUST ENTERING STEWART AND MONTGOMERY COUNTIES. GUSTY WINDS..FREQUENT LIGHTNING AND HAIL ARE POSSIBLE WITH THE PASSAGE OF THE STRONG THUNDERSTORMS. THE LINE OF THUNDERSTORMS WAS MOVING EAST AT 25 MILES AN HOUR.
Special weather statement, Apr 3, 11:00 PM CDT, 2 hours 40 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NASHVILLE TN 1100 PM CDT MON APR 3 1989 ...TORNADO WATCH IN EFFECT FOR ALL OF MIDDLE TENNESSEE UNTIL 2 AM CDT... A LINE OF STRONG THUNDERSTORMS IN NORTHWEST MIDDLE TENNESSEE... WEATHER SERVICE RADAR INDICATED A LINE OF STRONG THUNDERSTORMS FROM BOWLING GREEN KENTUCKY SOUTHWEST ACROSS MONTGOMERY AND HOUSTON COUNTIES IN NORTHWEST MIDDLE TENNESSEE AND CONTINUED INTO WEST TENNESSEE TO NEAR JACKSON. THE STRONGEST THUNDERSTORM ACTIVITY WAS IN SOUTHERN MONTGOMERY COUNTY SOUTH OF CLARKSVILLE TENNESSEE. GUSTY WINDS..FREQUENT LIGHTNING AND HAIL ARE POSSIBLE WITH THE PASSAGE OF THE STRONG THUNDERSTORMS. THE LINE OF THUNDERSTORMS WAS MOVING EAST AT 25 MILES AN HOUR.
The office that day
Everything else NWS Nashville, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 3, 11:38 PM CDT | Severe Thunderstorm Warning | OHX | Perry, Wayne | 67 min |
| Apr 3, 11:38 PM CDT | Severe Thunderstorm Warning | OHX | Humphreys | 67 min |
| Apr 4, 12:01 AM CDT | Severe Thunderstorm Warning | OHX | Hickman, Lewis | 44 min |
| Apr 4, 12:24 AM CDT | Tornado Warning | OHX | Lewis, Maury | 36 min |
| Apr 4, 12:52 AM CDT | Tornado Warning | OHX | Rutherford, Wilson | 38 min |
| Apr 4, 1:08 AM CDT | Severe Thunderstorm Warning | OHX | Macon, Smith, Trousdale | 52 min |
| Apr 4, 1:35 AM CDT | Severe Thunderstorm Warning | OHX | Clay, Jackson, Putnam | 40 min |
| Apr 4, 1:40 AM CDT | Tornado Warning | OHX | Cannon, Rutherford, Wilson | 35 min |
| Apr 4, 2:00 AM CDT | Tornado Warning | OHX | White | 45 min |
| Apr 4, 2:14 AM CDT | Severe Thunderstorm Warning | OHX | Warren | 31 min |
Nearby
Tornado Warnings in Tennessee, 1989Every tornado warning in 1989Tornadoes in 1989
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.