Alert archive / Nebraska / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 64, NWS Cheyenne, WY
NWS Cheyenne, WY issued this severe thunderstorm warning at Jul 31, 1986, 8:38 PM MDT for Kimball County, Nebraska. It was in force for 22 min.
The area
The counties it named.
The facts
- Issued
- Jul 31, 1986, 8:38 PM MDT (02:38 UTC)
- Expired
- Jul 31, 1986, 9:00 PM MDT
- In force
- 22 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.
The nearest sounding before it
Denver, CO (KDEN), launched 00:00Z, 2.6 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
- 855 J/kg
- Mixed-layer CIN
- -78 J/kg
- Mixed-layer LCL
- 2151 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 3 m²/s²
- 0-3 km storm-relative helicity
- 109 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KBFF 010238 SVRBFF NEC105-010300- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SCOTTSBLUFF NE 838 PM MDT THU JUL 31 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 900 PM MDT FOR PEOPLE IN THE FOLLOWING COUNTY OF PANHANDLE OF NEBRASKA...SOUTHERN KIMBALL AT 835 PM MDT..RADAR INDICATED A SEVERE THUNDERSTORM 15 MILES SOUTHWEST OF KIMBALL NEBRASKA OR 40 MILES WEST OF SIDNEY NEBRASKA. MOVEMENT WAS SOUTHEAST AT 35 MPH. REMEMBER A SEVERE THUNDERSTORM CAN PRODUCE DAMAGING WINDS IN EXCESS OF 60 MPH..LARGE HAIL..DEADLY LIGHTNING AND VERY HEAVY RAIN THAT CAN QUICKLY FLOOD LOW LYING AREAS. THESE STORMS CAN$ AND OCCASIONALLY DO PRODUCE A TORNADO WITH LITTLE OR NO ADVANCE WARNING..SO BE ON THE LOOKOUT AND BE PREPARED TO MOVE TO A PLACE OF SAFETY IF ONE IS SPOTTED. KARR
What forecasters said that day
The local office's own words before this severe thunderstorm 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, Jul 31, 5:49 PM MDT, 2 hours 49 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE ALLIANCE NE 530 PM MDT THU JUL 31 1986 A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHWEST NEBRASKA UNTIL 6.30 PM MDT. AT 5.30 PM MDT A SEVERE THUNDERSTORM WAS LOCATED 10 MILES NORTH OF IMPERIAL NEBRASKA..THIS STORM WAS LOCATED IN A WIDER AREA OF THUNDERSTORM ACTIVITY THAT WAS FROM 25 MILES SOUTH OF NORTH PLATTE TO 20 MILES NORTH OF IMPERIAL TO 10 MILES SOUTH OF IMPERIAL. STRONG WINDS HEAVY RAIN AND SMALL TO LARGE HAIL WILL ACCOMPANY THESE THUNDERSTORMS. OTHER STRONG THUNDERSTORMS WERE LOCATED IN SOUTHEAST WYOMING 20 MILES NORTHEAST OF CHEYENNE AND 5 MILES SOUTH OF WHEATLAND OR 40 MILES WEST OF TORRINGTON. THESE THUNDERSTORMS WERE MOVING EAST AT 25 MILES AN HOUR. DOUGHERTY
Special weather statement, Jul 31, 6:07 PM MDT, 2 hours 31 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SCOTTSBLUFF NE 606 PM MDT THU JUL 31 1986 AT 6 PM MDT...RADAR SHOWED A THUNDERSTORM WITH HEAVY RAIN 25 MILES WEST OF KIMBALL NEABRASKA OR 45 MILES SOUTHWEST OF SCOTTSBLUFF NEBRASKA. THIS STORM MAY ALSO PRODUCE SOME SMALL HAIL AND STRONG GUSTY WINDS AS IT MOVES SOUTHEAST AT 35 MPH. PEOPLE IN THE WEST AND SOUTH PARTS OF KIMBALL COUNTY IN THE SOUTHWEST NEBRASKA PANHANDLE SHOULD REMAIN ALERT FOR THIS STORM UNTIL 730 PM MDT. THE STORM SHOULD REACH BUSHNELL IN THE WEST PART OF KIMBALL COUNTY AROUND 615 PM MDT. KARR
Special weather statement, Jul 31, 7:47 PM MDT, 51 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SCOTTSBLUFF NE 745 PM MDT THU JUL 31 1986 ONE THUNDERSTORM WAS JUST LEAVING THE SOUTHEAST PART OF KIMBALL COUNTY OF THE SOUTHWEST NEBRASKA PANHANDLE AND ANOTHER THUNDERSTORM WAS NEARING NORTHWEST KIMBALL COUNTY. AT 740 PM MDT...RADAR SHOWED THE THUNDERSTORM WHICH PRODUCED SMALL HAIL IN WEST AND SOUTH PARTS OF KIMBALL COUNTY OF THE SOUTHWEST NEBRASKA PANHANDLE WAS NOW LEAVING SOUTHEAST KIMBALL COUNTY INTO COLORADO. HOWEVER...ANOTHER THUNDERSTORM WITH HEAVY RAIN WAS 30 MILES NORTHWEST OF KIMBALL NEBRASKA OR 40 MILES SOUTHWEST OF SCOTTSBLUFF NEBRASKA. THIS SECOND STORM MAY PRODUCE SOME HAIL AND STRONG GUSTY WINDS IN ADDITION TO HEAVY RAIN AS IT MOVES SOUTHEAST AT 40 MPH THROUGH KIMBALL COUNTY OF THE NEBRASKA PANHANDLE. PEOPLE IN THE KIMBALL COUNTY SHOULD REMAIN ALERT FOR THIS SECOND STORM UNTIL 915 PM MDT. THE STORM SHOULD BE NEAR BUSHNELL IN WEST KIMBALL COUNTY BY 805 PM MDT. KARR
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 1, 5:51 AM MDT | Tornado Warning | CYS | Dawes | 19 min |
| Aug 1, 6:04 AM MDT | Tornado Warning | CYS | Dawes | 31 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
Severe Thunderstorm Warnings in Nebraska, 1986Every severe thunderstorm warning 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.