Alert archive / Nebraska / Tornado Warnings in 1987
Tornado Warning 18, NWS Cheyenne, WY
NWS Cheyenne, WY issued this tornado warning at Aug 6, 1987, 4:35 PM MDT for Kimball County, Nebraska. It was in force for 25 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Aug 6, 1987, 4:35 PM MDT (22:35 UTC)
- Expired
- Aug 6, 1987, 5:00 PM MDT
- In force
- 25 min
- Issued by
- NWS Cheyenne, WY
- Area
- Whole counties
County Kimball County, NE
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 6, 4:37 PM MDT | Tornado F0 | Kimball, NE |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Denver, CO (KDEN), launched 12:00Z, 10.6 hours before the alert went out and 153 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
- 3312 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- -11 m²/s²
- 0-3 km storm-relative helicity
- 13 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 062235 TORBFF NEC105-062300- BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE SCOTTSBLUFF NE 435 PM MDT THU AUG 6 1987 THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 500 PM MDT FOR PEOPLE IN THE FOLLOWING COUNTIES OF PANHANDLE OF NEBRASKA...KIMBALL AND THE CITY OF KIMBALL AT 427 PM MDT A TORNADO WAS INDICATED BY RADAR 2 MILES WEST OF BUSHNELL OR 14 MILES WEST OF KIMBALL NEBRASKA IN THE EXTREME WEST PART OF KIMBAL COUNTY OF THE SOUTHWEST NEBRASKA PANHANDLE. MOVEMENT WAS EAST AT 25 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. PEOPLE IN THE PATH OF THIS TORNADO SHOULD TAKE COVER IMMEDIATELY TO SAVE YOUR LIVES. IN ADDITION TO THE THREAT OF TORNADOES...LARGE HAIL...DANGEROUS LIGHTNING AND VERY HEAVY RAIN ARE LIKELY WITH THIS STORM. IN ADDITION TO THIS STORM...A VERY STRONG THUNDERSTORM WAS NEAR KIMBALL NEBRASKA AND MAY ALSO PRODUCE SEVERE WEATHER. KARR
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, Aug 6, 2:38 PM MDT, 1 hour 57 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 240 PM MDT THU AUG 6 1987 A SEVERE THUNDERSTORM WATCH FOR SOUTHEAST WYOMING UNTIL 8 PM TONIGHT AT 230 PM MDT THUNDERSTORMS WITH HEAVY RAINS AND STRONG WINDS WERE OVER CHEYENNE WYOMING AND ALSO 30 MILES NORTHWEST OF CHEYENNE NEAR HORSE CREEK. OTHER STRONG THUNDERSTORMS WERE BETWEEN RAWLINS AND ROCK SPRINGS AND 50 MILES EAST OF DOUGLAS. MOVEMENT WAS TO THE EAST AT 30 MILES AN HOUR. p ROGASH
Special weather statement, Aug 6, 3:04 PM MDT, 1 hour 31 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 305 PM MDT THU AUG 6 1987 A SEVERE THUNDERSTORM WATCH FOR SOUTHEAST WYOMING UNTIL 8 PM TONIGHT AT 3 PM MDT A VERY STRONG THUNDERSTORM WITH HEAVY RAINS...HIGH WINDS AND HAIL WAS 30 MILES NORTH OF CHEYENNE MOVING INTO THE VICINITY OF HAWK SPRINGS...LA GRANGE AND YODER WYOMING. PERSONS IN THE PATH OF THIS STORM SHOULD BE PREPARED TO TAKE SHELTER AS IT APPROACHES THEIR AREA. OTHER STRONG THUNDERSTORMS WERE IN THE VICINITY OF CHEYENNE...LARAMIE AND RAWLINS. MOVEMENT WAS TO THE EAST AT 30 MILES AN HOUR. ROGASH
Special weather statement, Aug 6, 3:35 PM MDT, 1 hour before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 335 PM MDT THU AUG 6 1987 A VERY STRONG THUNDERSTORM WAS INDICATED BY RADAR ABOUT 25 MILES NORTHEAST OF RAWLINS. THIS STORM WAS MOVING TOWARDS THE NORTHEAST AT 25 MILES AN HOUR. THE STORM WILL REACH THE SOUTHERN END OF THE SEMINOE RESERVOIR ABOUT 430 PM MDT THIS AFTERNOON. THIS STORM IS CAPABLE OF PRODUCING HAIL AND STRONG GUSTY WINDS. PEOPLE WHO ARE BOATING ON THE SEMINOE RESERVOIR SHOULD MOVE OFF THE LAKE. REMEMBER...LIGHTNING IS VERY DANGEROUS AND CAN KILL. MENTZER
Special weather statement, Aug 6, 4:12 PM MDT, 23 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 410 PM MDT THU AUG 6 1987 AT 400 PM MDT A SEVERE THUNDERSTORM WITH LARGE HAIL...HIGH WINDS AND HEAVY RAINS WAS 40 MILES NORTHEAST OF CHEYENNE MOVING INTO THE VICINITY OF LAGRANGE AND ALBIN. PERSONS IN THE PATH OF THIS STORM SHOULD BE PREPARED TO TAKE SHELTER. NUMEROUS THUNDERSTORMS AND RAINSHOWERS COVERED SOUTHEAST WYOMING WITH OTHER HEAVY ACTIVTY NEAR CHEYENNE...10 TO 30 MILES EAST OF CHEYENNE NEAR BURNS AND PINE BLUFFS AND 40 MILES SOUTH OF DOUGLAS. THESE STORMS MAY PRODUCE SMALL HAIL AND HEAVY RAINS. MOVEMENT WAS TO THE EAST AT 30 MILES AN HOUR. ROGASH
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 6, 5:03 PM MDT | Severe Thunderstorm Warning | CYS | Cheyenne | 57 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.