Alert archive / Wyoming / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 78, NWS Cheyenne, WY
NWS Cheyenne, WY issued this severe thunderstorm warning at Aug 8, 1986, 3:30 PM MDT for Goshen County, Wyoming. It was in force for 70 min.
The area
The counties it named.
The facts
- Issued
- Aug 8, 1986, 3:30 PM MDT (21:30 UTC)
- Expired
- Aug 8, 1986, 4:40 PM MDT
- In force
- 70 min
- Issued by
- NWS Cheyenne, WY
- Area
- Whole counties
County Goshen County, WY
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 12:00Z, 9.5 hours before the alert went out and 264 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
- 2269 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- -17 m²/s²
- 0-3 km storm-relative helicity
- 36 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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, Aug 8, 3:12 PM MDT, 18 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 310 PM MDT FRI AUG 8 1986 AT 305PM A VERY STRONG THUNDERSTORM WAS LOCATED ABOUT 10 MILES EAST OF WHEATLAND. THIS WAS ALONG THE PLATTE AND GOSHEN COUNTY BORDERS OF SOUTHEAST WYOMING. THE STORM WAS MOVING TO THE EAST SOUTHEAST AT 20 MPH. THIS STORM WILL BE BETWEEN LINGLE AND VETERAN ABOUT 400PM AND MOVE THROUGH THE TORRINGTON AREA AROUND 430PM. BRIEFLY HEAVY RAIN...STRONG GUS,TY WINDS AND HAIL WILL ACCOMPANY THIS STORM. COX
Special weather statement, Aug 8, 3:27 PM MDT, 3 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE VALENTINE NE ISSUED BY SCOTTSBLUFF NE 325 PM MST FRI AUG 8 1986 ...STRONG THUNDERSTORMS IN CHERRY COUNTY OF NORTH CENTRAL NEBRASKA... AT 320PM MDT...STRONG THUNDERSTORMS WERE IN WESTERN CHERY COUNTY...50 MILES WEST AND 30 MILES SOUTHWEST OF VALENTINE NEBRASKA. THESE STORMS WERE MOVING TO THE EAST AT 20 MPH. HEAVY RAIN..STRONG GUSTY WIND..AND SMALL HAIL ARE POSSIBLE WITH THESE STORMS AS T`HEY MOVE ACROSS CHERRY COUNTY UNTIL 430PM MDT THIS AFTERNOON. PFEIFFER
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 8, 4:21 PM MDT | Severe Thunderstorm Warning | CYS | Banner, Scotts Bluff | 69 min |
| Aug 8, 5:10 PM MDT | Severe Thunderstorm Warning | CYS | Banner, Kimball | 50 min |
Nearby
Severe Thunderstorm Warnings in Wyoming, 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.