Alert archive / Nebraska / Tornado Warnings in 1987
Tornado Warning 14, NWS Cheyenne, WY
NWS Cheyenne, WY issued this tornado warning at Jun 23, 1987, 6:35 PM MDT for Banner County, Scotts Bluff County, Nebraska. It was in force for 25 min.
The area
The counties it named.
The facts
- Issued
- Jun 23, 1987, 6:35 PM MDT (00:35 UTC)
- Expired
- Jun 23, 1987, 7:00 PM MDT
- In force
- 25 min
- Issued by
- NWS Cheyenne, WY
- Area
- Whole counties
Counties Banner County, NE, Scotts Bluff 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
Denver, CO (KDEN), launched 00:00Z, 0.6 hours before the alert went out and 207 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
- 815 J/kg
- Mixed-layer CIN
- -101 J/kg
- Mixed-layer LCL
- 1600 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 126 m²/s²
- 0-3 km storm-relative helicity
- 74 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.7
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KBFF 240035 TORBFF NEC007-157-240100- BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE SCOTTSBLUFF NE 635 PM MDT TUE JUN 23 1987 THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 700 PM MDT FOR PEOPLE IN THE FOLLOWING COUNTIES OF PANHANDLE OF NEBRASKA...NORTHERN BANNER AND SOUTHERN SCOTTS BLUFF AT 630 PM MDT A POSSIBLE TORNADO WAS INDICATED BY RADAR 20 MILES SOUTHWEST OF SCOTTSBLUFF MOVING TO THE EAST AT 30 MPH. PERSONS IN THE WARNED AREA SHOULD TAKE SHELTER IN A BASEMENT IF AVAILABLE. OTHERWISE GO TO A SMALL INTERIOR ROOM ON THE LOWEST FLOOR. CARS AND MOBILE HOMES SHOULD BE ABANDONED. IN ADDITION TO THE THREAT OF TORNADOES...LARGE HAIL...DANGEROUS LIGHTNING AND VERY HEAVY RAIN ARE LIKELY WITH THIS STORM. A TORNADO WAS REPORTED BY KIMBALL COUNTY CIVIL DEFENSE AT 622PM MDT IN NORTHWEST BANNER COUNTY OF THE NEBRASKA PANHANDLE. 3/4 INCH HAIL WAS REPOgRTED 4 MILES SOUTH OF MITCHELL NEBRASKA AT 629 PM MDT. KIRK
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 23, 3:31 PM MDT, 3 hours 4 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 330 PM MDT TUE JUN 23 1987 AT 325 PM A STRONG THUNDERSTORM HAS DEVELOPED IN SOUTHERN PLATTE COUNTY JUST NORTHWEST OF CHUGWATER...SOME 40 MILES NORTH OF CHEYENNE. THE STORM HAS DEVELOPED RAPIDLY...AND PEOPLE IN SOUTHERN PLATTE COUNTY SHOULD WATCH THIS STORM CLOSELY. GUSTY WINDS...BRIEF HEAVY RAIN...AND SOME SMALL HAIL ARE POSSIBLE AS IT MOVES NORTHEAST TOWARDS THE TOWN OF SLATER...ABOUT 50 MILES NORTH OF CHEYENNE. THE STORM SHOULD BE MOVING INTO GOSHEN COUNTY BY 415 PM. DASELER
Special weather statement, Jun 23, 3:57 PM MDT, 2 hours 38 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 350 PM MDT TUE JUN 23 1987 AT 345 PM VERY STRONG THUNDERSTORMS WERE IN SOUTH PLATTE COUNTY OF WYOMING 40 MILES NORTHWEST TO 60 MILES NORTH OF CHEYENNE AROUND SLATER... AND CHUGWATER. THESE STORMS HAVE PRODUCED PEA TO MARBLE SIZED HAIL ONE MILE NORTH OF SLATER. THESE STORMS WILL ALSO PRODUCE STRONG WINDS AND VERY HEAVY RAINS WITH POSSIBLE LOW AREA FLOODING. MOVEMENT WAS TO THE EAST TO 20 MILES AN HOUR. PERSONS LIVING AROUND SLATER AND CHUGWATER SHOULD STAY ALERT FOR DANGEROUS WEATHER. ROGASH
Special weather statement, Jun 23, 4:01 PM MDT, 2 hours 34 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 350 PM MDT TUE JUN 23 1987 AT 345 PM VERY STRONG THUNDERSTORMS WERE IN SOUTH PLATTE COUNTY OF WYOMING 40 MILES NORTHWEST TO 60 MILES NORTH OF CHEYENNE AROUND SLATER... AND CHUGWATER. THESE STORMS HAVE PRODUCED PEA TO MARBLE SIZED HAIL ONE MILE NORTH OF SLATER. THESE STORMS WILL ALSO PRODUCE STRONG WINDS AND VERY HEAVY RAINS WITH POSSIBLE LOW AREA FLOODING. MOVEMENT WAS TO THE EAST AT 20 MILES AN HOUR. PERSONS LIVING AROUND SLATER AND CHUGWATER SHOULD STAY ALERT FOR DANGEROUS WEATHER. ROGASH
Special weather statement, Jun 23, 4:44 PM MDT, 1 hour 51 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 440 PM MDT TUE JUN 23 1987 AT 435 PM TWO VERY STRONG THUNDERSTORMS WERE NOTED BY WEATHER RADAR. ONE THUNDERSTORM WAS LOCATED IN SOUTHERN PLATTE COUNTY AND THE OTHER THUNDERSTORM WAS IN SOUTH CENTRAL GOSHEN COUNTY IN SOUTHEAST WYOMING. THE TWO SEPERATE STORMS WERE MOVING TO THE EAST AT NEARLY 20 MILES AN HOUR. THE STORM IN SOUTHERN PLATTE COUNTY IS 60 MILES NORTH OF CHEYENNE NEAR THE TOWN OF CHUGWATER AND THE OTHER STORM IN GOSHEN COUNTY IS SOME 80 MILES NORTH NORTHEAST OF CHEYENNE NEAR THE TOWN OF YODER. THESE STORMS WILL PRODUCE STRONG WINDS AND BRIEF HEAVY RAIN WITH HAIL. SOME LOW AREA FLOODING IS POSSIBLE UNTIL 6PM THIS TUESDAY EVENING. NEAR THE THUNDERSTORMS. PERSONS LIVING AROUND YODER AND CHUGWATER SHOULD STAY ALERT FOR DANGEROUS WEATHER. SIGLER
Special weather statement, Jun 23, 5:46 PM MDT, 49 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SCOTTSBLUFF NE 545 PM MDT TUE JUN 23 1987 AT 543 PM MDT A VERY STRONG THUNDERSTORM THAT FORMED OVER EASTERN WYOMING THIS AFTERNOON HAD MOVED TO THE EAST AND WAS ENTERING THE NEBRASKA PANHANDLE 20 MILES WEST OF SCOTTSBLUFF NEBRASKA. THIS THUNDERSTORM WAS MOVING TO THE EAST AT 25 MPH AND WILL MOVE OVER SCOTTS BLUFF...THE NORTHERN HALF OF BANNER AND SOUTHERN SIOUX COUNTIES OF THE NEBRASKA PA3NHANDLE. BRIEF HEAVY RAIN...STRONG GUSTY WINDS AND HAIL IS POSSIBLE WITH THIS STORM OVER SCOTTS BLUFF...SOUTHERN SIOUX AND NORTHERN BANNER COUNTIES OF THE CENTRAL AND NORTHERN NEBRASKA PANHANDLE UNTIL 700PM MDT THIS TUESDAY EVENING. KIRK
Special weather statement, Jun 23, 5:51 PM MDT, 44 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 545 PM MDT TUE JUN 23 1987 AT 535 PM A SEVERE THUNDERSTORM WAS 60 MILES NORTHEAST OF CHEYENNE IN SOUTH GOSHEN COUNTY AROUND HAWK SPRINGS AND YODER. THIS IS A DANGEROUS STORM WITH STRONG WINDS...LARGE HAIL AND HEAVY RAINS. PERSONS LIVING IN THE VICINITY OF HAWK SPRINGS AND YODER SHOULD SEEK SHELTER AS THESE STORMS APPROACH. AN AREA OF STRONG THUNDERSTORMS WAS JUST SOUTHEAST OF CHEYENN E MOVING INTO THE VICINITY OF CARPENTER. PERSONS IN SOUTHEAST LARAMIE COUNTY SHOULD STAY ALERT FOR STRONG WINDS...HAIL AND HEAVY RAINS ESPECIALLY IN THE VICINITY OF CARPENTER...EGBERT AND BURNS UNTIL 8PM MDT. ROGASH SIGLER
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 23, 6:02 PM MDT | Tornado Warning | CYS | Banner, Scotts Bluff | 28 min |
Nearby
Tornado Warnings in Nebraska, 1987Every tornado warning in 1987Tornadoes in 1987
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.