Alert archive / Wyoming / Tornado Warnings in 1996
Tornado Warning 35, NWS Cheyenne, WY
NWS Cheyenne, WY issued this tornado warning at Aug 22, 1996, 8:25 PM MDT for Platte County, Wyoming. It was in force for 35 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Aug 22, 1996, 8:25 PM MDT (02:25 UTC)
- Expired
- Aug 22, 1996, 9:00 PM MDT
- In force
- 35 min
- Issued by
- NWS Cheyenne, WY
- Area
- Whole counties
County Platte County, WY
The radar
The Cheyenne radar (KCYS), 110 km from the middle of the area, began a volume at 02:25 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Rapid City, SD (KUNR), launched 00:00Z, 2.4 hours before the alert went out and 274 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
- 2705 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- -26 m²/s²
- 0-3 km storm-relative helicity
- 48 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 KCYS 230225 TORCYS WYC031-230300- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE CHEYENNE WY 825 PM MDT THU AUG 22 1996 THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 900 PM MDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHEAST WYOMING ...WEST CENTRAL PLATTE COUNTY THIS WARNING REPLACES THE SEVERE THUNDERSTORM WARNING FOR WEST CENTRAL PLATTE COUNTY THAT WAS TO EXPIRE AT 830 PM MDT. AT 724 PM MDT...DOPPLER RADAR IN CHEYENNE SHOWED A SEVERE THUNDERSTORM WITH THE POTENTIAL TO PRODUCE A TORNADO LOCATED 8 MILES WEST OF WHEATLAND. THIS STORM WAS MOVING SOUTHEAST AROUND 10 MPH. IF YOU ARE WEST OR SOUTHWEST OF WHEATLAND...>YOU SHOULD TAKE COVER NOW! DOPPLER RADAR DETECTED STRONG ROTATION IN THIS STORM. IT HAS THE POTENTIAL TO PRODUCE A TORNADO AT ANY MOMENT! SULLIVAN WCJIN-WYSE
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 22, 2:48 PM MDT, 5 hours 37 minutes before
WYZ069-222115- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 252 PM MDT THU AUG 22 1996 ...THIS IS A TEST OF THE ABT BACKUP... PAL
Special weather statement, Aug 22, 4:23 PM MDT, 4 hours 2 minutes before
WYZ059-060-064>067-069-222255- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 422 PM MDT THU AUG 22 1996 ...THUNDERSTORMS WERE DEVELOPING IN PARTS OF SOUTHEAST WYOMING... CHEYENNE DOPPLER WEATHER RADAR SHOWED THAT WIDELY SCATTERED THUNDERSTORMS HAD DEVELOPED OVER SOUTHEAST WYOMING THIS AFTERNOON. AT 420 PM MDT...THE STRONGEST THUNDERSTORM WAS ABOUT 20 MILES SOUTHWEST OF DOUGLAS. THIS STORM WAS ON THE WEST OF EDGE OF SOME WEAKER THUNDERSTORMS ALREADY IN THE DOUGLAS AREA. ANOTHER THUNDERSTORM WAS BEGINNING TO INTENSIFY 15 MILES NORTHWEST OF CHEYENNE. ALL OF THE THUNDERSTORMS WERE MOVING EAST AT 10 MPH. THUNDERSTORMS WILL CONTINUE IN SOUTHEAST WYOMING INTO THE EVENING HOURS. A FEW OF THESE STORMS MAY PRODUCE HEAVY RAIN...GUSTY WINDS AND SMALL HAIL. SHOULD A THUNDERSTORM APPROACH YOUR LOCATION...GET TO A SAFE SHELTER. < WCJIN-WYSE-WYNE JLH
Special weather statement, Aug 22, 6:02 PM MDT, 2 hours 23 minutes before
WYZ059-060-064-067>069-230040- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 600 PM MDT THU AUG 22 1996 ...SOME STRONG THUNDERSTORMS WERE RUMBLING IN THE DOUGLAS AREA... AT 555 PM MD
Special weather statement, Aug 22, 7:53 PM MDT, 32 minutes before
WYZ068-230220- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 752 PM MDT THU AUG 22 1996 ...A FEW STRONG THUNDERSTORMS WERE OVER NORTHERN GOSHEN COUNTY... SOME THUNDERSTORMS HAD MOVED INTO NORTHERN GOSHEN COUNTY OF SOUTHEAST WYOMING EARLY THIS EVENING. AT 750 PM MDT...THE STRONGEST STORM WAS 25 MILES NORTHWEST OF TORRINGTON OR JUST NORTHWEST OF FORT LARAMIE. THIE STORM WAS LIKELY PRODUCING HEAVY RAIN...SMALL HAIL AND DANGEROUS .LIGHTNING. ALL OF THE THUNDERSTORMS WERE MOVING SOUTHEAST AT 10 MPH. IF A THUNDERSTORM APPROACHES YOUR LOCATION...GET TO A SAFE SHELTER. WCJIN-WYSE JLH
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 22, 6:39 PM MDT | Severe Thunderstorm Warning | CYS | Albany, Platte | 36 min |
| Aug 22, 7:16 PM MDT | Severe Thunderstorm Warning | CYS | Platte | 29 min |
| Aug 22, 7:28 PM MDT | Severe Thunderstorm Warning | CYS | Albany | 17 min |
| Aug 22, 7:45 PM MDT | Severe Thunderstorm Warning | CYS | Platte | 45 min |
| Aug 23, 5:16 PM MDT | Severe Thunderstorm Warning | CYS | Platte | 29 min |
Nearby
Tornado Warnings in Wyoming, 1996Every tornado warning in 1996Tornadoes in 1996
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; radar from the NEXRAD Level II archive.