Alert archive / Nebraska / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 39, NWS Cheyenne, WY
NWS Cheyenne, WY issued this severe thunderstorm warning at Jun 29, 1986, 9:26 PM MDT for Box Butte County, Dawes County, Sioux County, Nebraska. It was in force for 54 min.
The area
The counties it named.
The facts
- Issued
- Jun 29, 1986, 9:26 PM MDT (03:26 UTC)
- Expired
- Jun 29, 1986, 10:20 PM MDT
- In force
- 54 min
- Issued by
- NWS Cheyenne, WY
- Area
- Whole counties
Counties Box Butte County, NE, Dawes County, NE, 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, 3.4 hours before the alert went out and 181 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
- 2168 J/kg
- Mixed-layer CIN
- -9 J/kg
- Mixed-layer LCL
- 1204 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- -66 m²/s²
- 0-3 km storm-relative helicity
- -30 m²/s²
- Significant tornado parameter
- -0.7
- Supercell composite
- -8.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KBFF 300326 SVRBFF NEC013-045-165-300420- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SCOTTSBLUFF NE 926 PM MDT SUN JUN 29 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1020 PM MDT FOR PEOPLE IN THE FOLLOWING COUNTIES OF PANHANDLE OF NEBRASKA...NORTHWEST BOX BUTTE...WESTERN DAWES AND NORTHERN SIOUX AT 920 PM MDT..RADAR INDICATED SEVERE THUNDERSTORMS IN CENTRAL SIOUX COUNTY...30 MILES SOUTHWEST OF CHADRON NEBRASKA OR 6 MILES SOUTH OF HARRISON MOVING TO THE NORTHEAST AT 15 MILES AN HOUR. GOLFBALL SIZE HAIL WAS REPORTED 7 MILES SOUTH OF HARRISON WITH THIS STORM. ANOTHER SEVERE STORMS WAS JUST ACROSS THE STATELINE IN WYOMING MOVING NORTHEAST INTO SIOUX COUNTY AT 20 MILES AN HOUR. 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 AGREAS. 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. PFEIFFER
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, Jun 29, 5:20 PM MDT, 4 hours 6 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE VALENTINE NE ISSUED BY SCOTTSBLUFF NE 520 PM MDT SUN JUN 29 1986 ...A TORNADO WATCH REMAINS IN EFFECT FOR CHERRY COUNTY OF NORTH CENTRAL NEBRASKA bUNTIL 10PM CDT TONIGHT... AT 515PM MDT..NO THUNDERSTORMS WERE LOCATED IN CHERRY COUNTY NEBRASKA. THUNDERSTORMS HAVE DEVELOPED OVER PORTIONS OF SOUTHWEST SOUTH DAKOTA HOWEVER..THAT COULD MOVE INTO CHERRY COUNTY LATER THIS EVENING. KOSEL
Special weather statement, Jun 29, 7:37 PM MDT, 1 hour 49 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 737 PM MDT SUN JUN 29 1986 ...A SEVERE THUNDERSTORM WARNING CONTINUES FOR GOSHEN COUNTY IN SOUTHEAST WYOMING UNTIL 745 PM.. AT 730 PM MDT RADAR INDICATED TWO STRONG THUNDERSTORMS IN CENTRAL GOSHEN COUNTY IN SOUTHEAST WYOMING. ONE STORM WAS IN THE VICINITY OF TORRINGTON WYOMING. THE OTHER STORM WAS IN WEST CENTRAL GOSHEN COUNTY. BOTH STORMS WERE MOVING EAST AROUND 30 MPH. ALTHOUGH NO SEVERE WEATHER HAS BEEN REPORTED WITH THESE STORMS.. AS THEY PASS THROUGH RURAL WYOMING..THEY ARE CAPABLE OF PRODUCING LARGE HAIL AND DAMAGING WINDS. RESIDENTS SHOULD BE PREPARED TO TAKE COVER WHEN THREATENING WEATHER APPROACHES. RIZZO
Special weather statement, Jun 29, 7:49 PM MDT, 1 hour 37 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SCOTTSBLUFF NE 745PM MDT SUN JUN 29 1986 THUNDERSTORMS HAVE DEVELOPED IN EASTERN WYOMING BETWEEN TORRINGTON.. WHEATLAND..AND GUERNSEY. THIS SMALL AREA OF STORMS IS 28 TO 45 MILES WEST AND NORTHWEST OF SCOTSBLUFF NEBRASKA AND MOVING TO THE EAST AT 20 MILES AN HOUR. BRIEF HEAVY RAIN..STRONG GUSTY WIND AND SMALL HAIL IS POSSIBLE ACROSS SOUTHERN SIOUX AND MOST OF SCOTTS BLUFF COUNTY UNTIL J930 PM MDT THIS EVENING. PFEIFFER
Special weather statement, Jun 29, 7:54 PM MDT, 1 hour 32 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 748 PM MDT SUN JUN 29 1986 ...SEVERE THUNDERSTORM WARNING EXPIRES FOR GOSHEN COUNTY IN SOUTHEAST WYOMING... THE SEVERE THUNDERSTORM WARNING FOR GOSHEN COUNTY HAS EXPIRED. SCATTERED THUNDERSTORMS CONTINUE IN GOSHEN COUNTY..BUT THE INTENSITY OF THE STORMS HAS DIMINISHED. NO SEVERE WEATHER WAS REPORTED WITH THESE STORMS. SCATTERED THUNDERSTORMS ARE EXPECTED TO CONTINUE EARLY TONIGHT. RESIDENTS CAN STILL EXPECT BRIEF HEAVY RAIN..POSSIBLE GUSTY WINDS AND SMALL HAIL WITH THESE THUNDERSTORMS. RIZZO
Special weather statement, Jun 29, 8:30 PM MDT, 56 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 815 PM MDT SUN JUN 29 1986 ...A SEVERE THUNDERSTORM WARNING CONTINUES FOR NORTHERN GOSHEN COUNTY IN SOUTHEAST WYOMING UNTIL 830 PM.. AT 805 PM MDT RADAR INDICATED A STRONG THUNDERSTORM IN CENTRAL GOSHEN COUNTY IN SOUTHEAST WYOMING. THE STORM WAS CENTERED OVER AN AREA JUST EAST OF GUERNSEY WYOMING THROUGH TORRINGTON WYOMING. THE STORM WAS MOVING SLOWLY NORTHEAST AT AROUND 10 MILES AN HOUR. ALTHOUGH NO SEVERE WEATHER HAS BEEN REPORTED WITH THIS STORM YET.. THEY ARE CAPABLE OF PRODUCING LARGE HAIL AND DAMAGING WEATHER. RESIDENTS SHOULD BE PREPARED TO TAKE COVER WHEN THREATENING WEATHER APPROACHES. MICKELSON
Special weather statement, Jun 29, 8:51 PM MDT, 35 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 850 PM MDT SUN JUN 29 1986 ...SEVERE THUNDERSTORM WATCH NUMBER 318 IS CANCELLED FOR SHERIDAN...JOHNSON..AND CONVERSE COUNTIES... ...SEVERE THUNDERSTORM WATCH NUMBER 318 CONTINUES UNTIL 10 PM FOR CAMPBELL...CROOK...WESTON AND NIOBRARA COUNTIES IN NORTHEAST WYOMING.. AT 850 PM THE POTENTIAL FOR SEVERE THUNDERSTORMS IS CONCENTRATED IN EXTREME NORTHEAST WYOMING...THEREFORE THE SEVERE THUNDERSTORM WATCH HAS BEEN CANCELLED FOR THE WESTERN PORTION OF THE SEVERE THUNDERSTORM WATCH IN WYOMING. RIZZO
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 29, 8:21 PM MDT | Severe Thunderstorm Warning | CYS | Sioux | 54 min |
| Jun 29, 8:34 PM MDT | Tornado Warning | CYS | Sioux | 26 min |
| Jun 29, 8:58 PM MDT | Tornado Warning | CYS | Sioux | 32 min |
| Jun 29, 10:24 PM MDT | Severe Thunderstorm Warning | CYS | Dawes, Sioux | 51 min |
| Jun 30, 4:31 AM MDT | Severe Thunderstorm Warning | CYS | Dawes | 59 min |
| Jun 30, 5:28 AM MDT | Severe Thunderstorm Warning | CYS | Sheridan | 57 min |
| Jun 30, 4:44 PM MDT | Severe Thunderstorm Warning | CYS | Sioux | 51 min |
| Jun 30, 5:10 PM MDT | Severe Thunderstorm Warning | CYS | Dawes, Sheridan | 55 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.