Alert archive / Nebraska / Tornado Warnings in 1986
Tornado Warning 19, NWS Cheyenne, WY
NWS Cheyenne, WY issued this tornado warning at Aug 1, 1986, 6:04 AM MDT for Dawes County, Nebraska. It was in force for 31 min.
The area
The counties it named.
The facts
- Issued
- Aug 1, 1986, 6:04 AM MDT (12:04 UTC)
- Expired
- Aug 1, 1986, 6:35 AM MDT
- In force
- 31 min
- Issued by
- NWS Cheyenne, WY
- Area
- Whole counties
County Dawes 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, 0.1 hours before the alert went out and 152 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
- 1793 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- -26 m²/s²
- 0-3 km storm-relative helicity
- 30 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 011204 TORBFF NEC045-011235- BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE SCOTTSBLUFF NE 604 AM MDT FRI AUG 1 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 635 AM MDT FOR PEOPLE IN THE FOLLOWING COUNTY OF PANHANDLE OF NEBRASKA...WESTERN DAWES AT 603AM MDT A TORNADO WAS INDICATED BY RADAR 4 MILES NORTHEAST OF CRAWFORD...OR 22 MILES WEST OF CHADRON...MOVING SOUTHEAST AT 30 MILES AN HOUR. THIS WARNING INCLUDES THE TOWNS OF CRAWFORD AND WHITNEY...AND THE CHADRON STATE PARK RECREATIONAL AREA. IF YOU ARE IN THE PATH OF THIS TORNADO..YOU SHOULD GO TO A BASEMENT SHELTER IF AVAILABLE. OTHERWISE GO TO A CENTRAL INTERIOR ROOM ON THE LOWEST FLOOR POSSIBLE. CARS AND MOBILE HOMES SHOULD BE ABANDONED FOR A REINFORCED BUILDING. IN ADDITION TO THE THREAT OF TORNADOES..LARGE HAIL..DANGEROUS LIGHTNING AND VERY HEAVY RAIN IS LIKELY WITH THIS STORM. PFEIFFER
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 1, 1:46 AM MDT, 4 hours 18 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE ALLIANCE NE 130 AM MDT FRI AUG 1 1986 ..A SEVERE THUNDERSTORM WARNING IS IN EFFECT UNTIL 215 AM MDT FOR PEOPLE IN NORTH SHANNON COUNTY OF SOUTHWEST SOUTH DAKOTA.. AT 1.30 AM MDT..RADAR SHOWED A SEVERE THUNDERSTORM 40 MILES SOUTHEAST OF RAPID CITY SOUTH DAKOTA..OR 25 MILES NORTHWEST OF PINE RIDGE SOUTH DAKOTA MOVING EAST AT 35 MILES AN HOUR. LARGE HAIL AND DAMAGING THUNDERSTORM WINDS WILL ACCOMPANY THIS THUNDERSTORM AND PERSONS IN SHANNON COUNTY OF SOUTH DAKOTA SHOULD SEEK A PLACE OF SAFETY WITH THE APPROACH OF THIS THUNDERSTORM. OTHER SCATTERED THUNDERSTORMS AND SHOWERS WERE ALSO OVER THE NORTH NEBRASKA PANHA NDLE AND SOUTHWEST SOUTH DAKOTA MOVING EAST AT 35 MILES AN HOUR. WIRTH
Special weather statement, Aug 1, 4:02 AM MDT, 2 hours 2 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 400 AM MDT FRI AUG 1 1986 ...COUPLE STRONG THUNDERSTORMS IN EAST WYOMING... AT 350AM A STRONG THUNDERSTORM WAS 25 MILES NORTH NORTHEAST OF LANCE CREEK IN NIOBRARA COUNTY OF EAST CENTRAL WYOMING. ANOTHER STRONG THUNDERSTORM WAS 20 MILES SOUTHWEST OF NEWCASTLE IN WESTON COUNTY OF WYOMING/S NORTHEAST CORNER. THE STORMS WERE MOVING TO THE SOUTHEAST AT 35 MILES AN HOUR AND WIL*L MOVE EAST OF THE STATE AROUND 500AM THIS FRIDAY MORNING. STRONG GUSTY WINDS...BRIEFLY HEAVY RAIN AND HAIL SHOULD BE EXPECTED WITH THESE STORMS. COX
Special weather statement, Aug 1, 4:54 AM MDT, 1 hour 10 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE ALLIANCE NE 435 AM MDT FRI AUG 1 1986 ..A SEVERE THUNDERSTORM WARNING IS IN EFFECT FOR PERSONS IN WEST FALL-RIVER COUNTY OF SOUTHWEST SOUTH DAKOTA UNTIL 5.45 AM MDT.. AT 4.35 AM MDT..RADAR SHOWED A SEVERE THUNDERSTORM OVER SOUTHWEST SOUTH DAKOTA NEAR EDGEMONT..LARGE HAIL..DAMAGING THUNDERSTORM WINDS AND DEADLY LIGHTNING ARE LIKELY WITH THE PASSAGE OF THIS STORM. THE THUNDERSTORM WAS MOVING SOUTHEAST AT 35 MILES AN HOUR. PERSONS IN FALL-RIVER COUNTY SHOULD TAKE SHELTER IMMEDIATELY. OTHER SCATTERED THUNDERSTORMS AND SHOWERS CONTINUED OVER THE NORTHEAST PANHANDLE AND NORTH CENTRAL NEBRASKA..MOVING SOUTHEAST AT 35 MILES AN HOUR. WIRTH
Special weather statement, Aug 1, 5:26 AM MDT, 38 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SCOTTSBLUFF NE 525 AM MDT FRI AUG 1 1986 AT 520 AM MDT...RADAR SHOWED A VERY STRONG THUNDERSTORM 25 MILES NORTHWEST OF CHADRON NEBRASKA...JUST NORTH OF THS STATELINE NEAR ARDMORE SOUTH DAKOTA. THE STORM WAS MOVING SOUTHEAST AT 30 MILES AN HOUR. THIS STORM WILL MOVE ACROSS NORTHEAST SIOUX COUNTY AND WESTERN DAWES COUNTY OF THE NORTHERN PANHANDLE BETWEEN 530 AM AND 630 AM THIS FRIDAY MORNING. HEAVY RAINS...STRONG GUSTY WINDS...AND SOME HAIL ARE POSSIBLE WITH THIS STRONG THUNDERSTORM. PFEIFFER
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 31, 8:38 PM MDT | Severe Thunderstorm Warning | CYS | Kimball | 22 min |
| Aug 1, 5:51 AM MDT | Tornado Warning | CYS | Dawes | 19 min |
| Aug 1, 6:29 AM MDT | Tornado Warning | CYS | Dawes | 31 min |
| Aug 1, 6:57 AM MDT | Tornado Warning | CYS | Sheridan | 18 min |
Nearby
Tornado Warnings in Nebraska, 1986Every tornado warning in 1986Tornadoes in 1986
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.