Alert archive / Nebraska / Tornado Warnings in 1989
Tornado Warning 1, NWS Cheyenne, WY
NWS Cheyenne, WY issued this tornado warning at Apr 26, 1989, 8:11 PM MDT for Sioux County, Nebraska. It was in force for 34 min.
The area
The counties it named.
The facts
- Issued
- Apr 26, 1989, 8:11 PM MDT (02:11 UTC)
- Expired
- Apr 26, 1989, 8:45 PM MDT
- In force
- 34 min
- Issued by
- NWS Cheyenne, WY
- Area
- Whole counties
County Sioux 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 00:00Z, 2.2 hours before the alert went out and 190 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 592 m above ground
- 0-6 km bulk shear
- 60 kt
- 0-1 km storm-relative helicity
- 225 m²/s²
- 0-3 km storm-relative helicity
- 338 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.7
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KBFF 270211
TORBFF
NEC165-270245-
BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SCOTTSBLUFF NE
811 PM MDT WED APR 26 1989
THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING
EFFECTIVE UNTIL 845 PM MDT FOR PEOPLE IN THE FOLLOWING COUNTY
IN THE PANHANDLE OF NEBRASKA
SOUTHERN SIOUX
AT AT 810 PM MDT RADAR INDICATED A POSSIBLE TORNADO 18 MILES NORTH
OF SCOTTSBLUFF NEBRASKA IN SOUTHERN SIOUX COUNTY THAT WAS MOVING
NORTHEAST AT 20 MPH.
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.
IF YOU ARE CAUGHT OUTSIDE...FIND SHELTER IN A NEARBY REINFORCED
BUILDING. AS A LAST RESORT...TAKE SHELTER IN A CULVERT...DITCH OR
LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
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, Apr 26, 4:23 PM MDT, 3 hours 48 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 420 PM MDT WED APR 26 1989 ...WINTER STORM WATCH HAS BEEN POSTED FOR NORTH WYOMING ON THURSDAY... A DEVELOPING SPRING STORM OVER UTAH THIS AFTERNOON WILL MOVE NORTHEAST THROUGH FRIDAY. THIS STORM WILL BRING A RETURN TO WINTER WEATHER TO MUCH OF WYOMING...PARTICULARLY NORTH WYOMING ON THURSDAY. THEREFORE... A WINTER STORM WATCH HAS BEEN POSTED FOR NORTH WYOMING ON THURSDAY. THE PRECIPITATION WILL BE MAINLY IN THE FORM OF SNOW ACROSS NORTH WYOMING TONIGHT INTO FRIDAY. SNOWFALL AMOUNTS OF SIX TO EIGHT INCHES CAN BE EXPECTED LOWER ELEVATIONS THURSDAY WITH UP TO ONE FOOT IN THE MOUNTAINS. TRAVELERS ACROSS NORTH WYO MING TONIGHT INTO FRIDAY SHOULD BE PREPARED FOR WINTER DRIVING CONDITIONS...PARTICULARLY ALONG THE HIGH MOUNTAINS PASSES. ALSO...THIS COMBINATION OF WET SNOW... COLD TEMPERATURES AND BRISK WINDS WILL BE HAZARDOUS TO YOUNG LIVESTOCK. MCRANDAL
Special weather statement, Apr 26, 7:32 PM MDT, 39 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SCOTTSBLUFF NE 730 PM MDT WED APR 26 1989 ...THUNDERSTORMS MOVING INTO THE WEST NEBRASKA PANHANDLE... THUNDERSTORMS THAT DEVELOPED OVER SOUTHEAST WYOMING EARLIER THIS EVENING WERE BEGINNING TO MOVE INTO THE WEST NEBRASKA PANHANDLE. AT 725PM MDT A LINE OF THUNDERSTORMS EXTENDED FROM 25 MILES WEST OF SCOTTSBLUFF NEBRASKA TO NORTHWEST SIOUX COUNTY OF THE WEST NEBRASKA PANHANDLE. THE STRONGEST THUNDERSTORM WAS 25 WEST OF SCOTTSBLUFF THAT WAS MOVING NORTHEAST AT 30 MPH. BRIEF HEAVY RAIN...GUSTY WIND...AND HAIL IS LIKELY WITH THIS STORM OVER NORTHWEST SCOTTS BLUFF AND SOUTHERN SIOUX COUNTIES OF THE NEBRASKA PANHANDLE UNTIL 9PM MDT. KOSEL
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 26, 7:51 PM MDT | Severe Thunderstorm Warning | CYS | Sioux | 69 min |
| Apr 26, 8:24 PM MDT | Tornado Warning | CYS | Box Butte, Dawes, Sioux | 36 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.