Alert archive / Nebraska / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 40, NWS Cheyenne, WY
NWS Cheyenne, WY issued this severe thunderstorm warning at Jun 29, 1986, 10:24 PM MDT for Dawes County, Sioux County, Nebraska. It was in force for 51 min.
The area
The counties it named.
The facts
- Issued
- Jun 29, 1986, 10:24 PM MDT (04:24 UTC)
- Expired
- Jun 29, 1986, 11:15 PM MDT
- In force
- 51 min
- Issued by
- NWS Cheyenne, WY
- Area
- Whole counties
Counties 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, 4.4 hours before the alert went out and 169 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
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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, 7:54 PM MDT, 2 hours 30 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, 1 hour 54 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, 1 hour 33 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
Special weather statement, Jun 29, 9:27 PM MDT, 57 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 925 PM MDT SUN JUN 29 1986 ...SEVERE THUNDERSTORM WATCH NUMBER 318 FOR NORTHEAST WYOMING HAS BEEN CANCELLED... THUNDERSTORM ACTIVITY WAS BEGINNING TO DECREASE IN INTENSITY IN WYOMING. HOWEVER...AT 920 PM RADAR INDICATED A STRONG THUNDERSTORM IN NORTH CENTRAL GOSHEN COUNTY ABOUT 55 MILES NORTHWEST OF SCOTTSBLUFF NEBRASKA. THIS STORM WAS MOVING TO THE NORTHEAST AT 20 MILES AN HOUR. RESIDENTS OF NORTHERN GOSHEN COUNTY SHOULD BE WATCHFUL AS THIS STORM MOVES TO THE EAST. SMALL HAIL...STRONG GUSTY WINDS...AND DANGEROUS LIGHTNING ARE ALL POSSIBLE. IF ANY SEVERE WEATHER IS SPOTTED...TAKE COVER...AND WHEN SAFE NOTIFY YOUR C5OUNTY SHERIFF. GLANCY
Local storm report, Jun 29, 9:51 PM MDT, 33 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE CHEYENNE WY
945 PM MDT SUN JUNE 30 1985
ALL TIMES MOUNTAIN DAYLIGHT TIME..
858 PM... PATROL CAR DRIVING BACK FROM 25 MILES NORTH OF TORRINGTON
IN GOSHENA COUNTY IN SOUTHEAST WY..BROUGHT BACK EGG AND
BASEBALL SIZE HAIL TO TORRINGTION PD OFFICE ...APPROXIMATE
TIME OF OCCURANCE 815 TO 830 PM MDT
RIZZOSpecial weather statement, Jun 29, 10:17 PM MDT, 7 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SCOTTSBLUFF NE 1015PM MDT SUN JUN 29 1986 ...SEVERE THUNDERSTORM WARNING CANCELLED FOR NORTHERN NEBRASKA PANHANDLE... THE SEVERE THUNDERSTORM WARNING ISSUED AT 920 PM MDT FOR NORTHERN SIOUX...WESTERN DAWES...AND NORTHWEST BOX BUTTE COUNTIES IN THE NORTHERN NEBRASKA PANHANDLE HAS BEEN CANCELLED. THE THUNDERSTORMS WHICH PROMPTED THE WARNING HAVE WEAKENED GREATLY AND ARE NO LONGER A THREAT TO THE AREA. AT 1010 PM MDT...RADAR INDICATES A STRONG THUNDERSTORM 8 MILES WEST OF HARRISON NEBRASKA ALONG THE NEBRASKA/WYOMING STATELINE MOVING NORTHEAST AT 20 MILES AN HOUR. HEAVY RAIN AND HAIL ARE POSSIBLE WITH THIS STORM AS IT MOVES NORTH OF HARRISON TOWARDS THE SOUTH DAKOTA LINE. PFEIFFER
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, 9:26 PM MDT | Severe Thunderstorm Warning | CYS | Box Butte, Dawes, Sioux | 54 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 |
| Jun 29, 7:15 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 30 min |
| Jun 29, 8:06 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 24 min |
| Jun 30, 12:01 AM MDT | Severe Thunderstorm Warning | CYS | Weston | 44 min |
| Jun 30, 12:50 AM MDT | Severe Thunderstorm Warning | CYS | Weston | 40 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.