Alert archive / Nebraska / Tornado Warnings in 1989
Tornado Warning 11, NWS Cheyenne, WY
NWS Cheyenne, WY issued this tornado warning at Jun 29, 1989, 3:40 PM MDT for Sheridan County, Nebraska. It was in force for 35 min.
The area
The counties it named.
The facts
- Issued
- Jun 29, 1989, 3:40 PM MDT (21:40 UTC)
- Expired
- Jun 29, 1989, 4:15 PM MDT
- In force
- 35 min
- Issued by
- NWS Cheyenne, WY
- Area
- Whole counties
County Sheridan County, NE
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
Rapid City, SD (KRAP), launched 12:00Z, 9.7 hours before the alert went out and 178 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
- 26 J/kg
- Mixed-layer CIN
- -480 J/kg
- Mixed-layer LCL
- 2520 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 30 m²/s²
- 0-3 km storm-relative helicity
- 35 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 KBFF 292140
TORBFF
NEC161-292215-
BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SCOTTSBLUFF NE
340 PM MDT THU JUN 29 1989
THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING
EFFECTIVE UNTIL 415 PM MDT FOR PEOPLE IN THE FOLLOWING COUNTY
IN THE PANHANDLE OF NEBRASKA
EXTREME NORTHERN SHERIDAN
AT 331 PM MDT THE PUBLIC REPORTED A FUNNEL CLOUD SIGHTED JUST TO
THE SOUTH OF WHITE CLAY NEBRASKA WHICH IS 30 MILES NORTHEAST OF
CHADRON. MOVEMENT WAS SLOWLY TO THE NORTHEAST.
TAKE SHELTER IN A BASEMENT IF AVAILABLE. OTHERWISE GO TO A SMALL
INTERIOR ROOM ON THE LOWEST FLOOR. STAY AWAY FROM WINDOWS. ABANDON
CARS AND MOBILE HOMES.
GIVE REPORTS OF SEVERE WEATHER OR DAMAGE TO A LAW ENFORCEMENT AGENCY
FOR RELAY TO THE NATIONAL WEATHER SERVICE.
KOSELWhat 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 29, 1:01 PM MDT, 2 hours 39 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SCOTTSBLUFF NE 100 PM MDT THU JUN 29 1989 ...THUNDERSTORMS DEVELOPING OVER THE NEBRASKA PANHANDLE... THUNDERSTORMS WERE DEVELOPING RAPIDLY OVER THE NEBRASKA PANHANDLE EARLY THIS AFTERNOON. AT 1250 PM MDT...THE STRONGEST THUNDERSTORM WAS LOCATED ABOUT 10 MILES NORTHWEST OF SIDNEY NEBRASKA IN THE SOUTHERN PANHANDLE THAT WAS MOVING EAST AT 15 MPH. OTHER THUNDERSTORMS WERE ALSO INTENSIFYING OVER SHERIDAN COUNTY IN THE NORTHEAST NEBRASKA PANHANDLE FROM 25 MILES NORTHEAST OF ALLIANCE NEBRASKA TO 35 MILES EAST OF CHADRON. THESE STORMS WERE ALSO MOVING EAST AT 15 MPH. BRIEF HEAVY RAIN...STRONG GUSTY WIND AND SMALL HAIL IS LIKELY WIT H THESE STORMS OVER SHERIDAN AND CHEYENNE COUNTIES OF THE NEBRASKA PANHANDLE UNTIL 230 PM MDT. KOSEL
Special weather statement, Jun 29, 2:57 PM MDT, 43 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE VALENTINE NE ISSUED BY SCOTTSBLUFF NE 350 PM CDT THU JUN 29 1989 ...SEVERE THUNDERSTORM WATCH FOR CHERRY...GRANT AND HOOKER COUNTIES OF NORTH CENTRAL NEBRAKA UNTIL 10 PM CDT... AT 350 PM CDT THUNDERSTORMS HAVE MOVED INTO THE WEST PORTION OF CHERRY COUNTY NEBRASKA. THE STRONGEST THUNDERSTORM WAS LOCATED ABOUT 60 MILES SOUTHWEST OF VALENTINE NEBRASKA THAT WAS MOVING NORTHEAST AT 10 MPH. BRIEF HEAVY RAIN...GUSTY WIND AND SMALL HAIL IS LIKELY WITH THIS STORM OVER CENTRAL CHERRY COUNTY NEBRASKA UNTIL 530 PM CDT. KOSEL
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 29, 1:40 PM MDT | Tornado Warning | CYS | Sheridan | 35 min |
| Jun 29, 2:29 PM MDT | Tornado Warning | CYS | Box Butte | 31 min |
| Jun 29, 2:47 PM MDT | Tornado Warning | CYS | Box Butte | 28 min |
| Jun 29, 3:17 PM MDT | Severe Thunderstorm Warning | CYS | Box Butte, Sheridan | 38 min |
Nearby
Tornado Warnings in Nebraska, 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.