Alert archive / Wyoming / Severe Thunderstorm Warnings in 1995
Severe Thunderstorm Warning 55, NWS Cheyenne, WY
NWS Cheyenne, WY issued this severe thunderstorm warning at Aug 25, 1995, 9:06 PM MDT for Platte County, Wyoming. It was in force for 65 min.
The area
The counties it named.
The facts
- Issued
- Aug 25, 1995, 9:06 PM MDT (03:06 UTC)
- Expired
- Aug 25, 1995, 10:11 PM MDT
- In force
- 65 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 03:06 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 (KRAP), launched 00:00Z, 3.1 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
- 554 J/kg
- Mixed-layer CIN
- -76 J/kg
- Mixed-layer LCL
- 1018 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- -35 m²/s²
- 0-3 km storm-relative helicity
- -35 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KCYS 260307 RRA SVRCYS WYC031-260415- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE CHEYENNE WY 906 PM MDT FRI AUG 25 1995 THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1015 PM MDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHEAST WYOMING ...NORTHEASTERN PLATTE COUNTY THIS INCLUDES THE TOWN OF GLENDO AT 855 PM HAIL UP TO ONE INCH IN DIAMETER WAS REPORTED IN THE TOWN OF GLENDO...25 MILES SOUTHEAST OF DOUGLAS. THE STORM WAS MOVING SOUTHEAST AT 15 MPH. THIS STORM HAS A HISTORY OF LARGE HAIL. STAY INDOORS AWAY FROM WINDOWS! HARRISON &
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 25, 5:59 PM MDT, 3 hours 7 minutes before
WYZ064-067-260100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 559 PM MDT FRI AUG 25 1995 AT 550PM THE DOPPLER RADAR AT CHEYENNE SHOWED A STRONG THUNDERSTORM 22 MILES NORTHWEST OF WHEATLAND IN THE MOUNTAINS. THE STORM WAS ABOUT 13 MILES SOUTH-SOUTHWEST OF GLENDO. THE THUNDERSTORM WAS MOVING TO THE NORTH AT 25 MILES AN HOUR AND WILL MOVE JUST WEST OF GLENDO BY 630PM. HAIL...STRONG GUSTY WINDS AND BRIEF HEAVY RAIN SHOULD BE EXPECTED WITH THIS STORM. BOATERS ON GLENDO RESERVOIR SHOULD BE PREPARED TO SEEK SHELTER QUICKLY IF THE STORM APPROACHES. WCJIN-WYSE COX
Special weather statement, Aug 25, 6:01 PM MDT, 3 hours 5 minutes before
WYZ064-067-260100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 559 PM MDT FRI AUG 25 1995 AT 550PM THE DOPPLER RADAR AT CHEYENNE SHOWED A STRONG THUNDERSTORM 22 MILES NORTHWEST OF WHEATLAND IN THE MOUNTAINS. THE STORM WAS ABOUT 13 MILES SOUTH-SOUTHWEST OF GLENDO. THE THUNDERSTORM WAS MOVING TO THE NORTH AT 25 MILES AN HOUR AND WILL MOVE JUST WEST OF GLENDO BY 630PM. HAIL...STRONG GUSTY WINDS AND BRIEF HEAVY RAIN SHOULD BE EXPECTED WITH THIS STORM. BOATERS ON GLENDO RESERVOIR SHOULD BE PREPARED TO SEEK SHELTER QUICKLY IF THE STORM APPROACHES. WCJIN-WYSE COX
Special weather statement, Aug 25, 6:30 PM MDT, 2 hours 36 minutes before
WYZ059-060-067-260130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 630 PM MDT FRI AUG 25 1995 AT 620PM THE DOPPLER RADAR AT CHEYENNE SHOWED A VERY STRONG THUNDERSTORM ABOUT 5 MILES WEST OF GLENDO...OR ABOUT 18 MILES SOUTHEAST OF DOUGLAS. ANOTHER STORM HAD JUST DEVELOPED OVER DOUGLAS. A THIRD STORM OVER WHEATLAND WAS PRODUCING VERY HEAVY RAIN BUT NO HAIL HAD BEEN REPORTED. THE STORMS WERE MOVING TO THE NORTHEAST AT 10 TO 15 MILES AN HOUR. HAIL...BRIEF HEAVY RAIN AND STRONG WINDS SHOULD BE EXPECTED WITH THESE STORMS. DEADLY LIGHTNING ALSO WILL OCCUR. THE HEAVY RAIN MAY CAUSE MINOR FLOODING OF CREEKS...URBAN AREAS AND OTHER LOW LYING SPOTS. IF THREATENING WEATHER APPROACHES...BE PREPARED TO MOVE TO A SAFE PLACE QUICKLY. WCJIN-WYSE-WYNE COX
Special weather statement, Aug 25, 6:33 PM MDT, 2 hours 33 minutes before
WYZ059-060-067-260130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 630 PM MDT FRI AUG 25 1995 AT 620PM THE DOPPLER RADAR AT CHEYENNE SHOWED A VERY STRONG THUNDERSTORM ABOUT 5 MILES WEST OF GLENDO...OR ABOUT 18 MILES SOUTHEAST OF DOUGLAS. ANOTHER STORM HAD JUST DEVELOPED OVER DOUGLAS. A THIRD STORM OVER WHEATLAND WAS PRODUCING VERY HEAVY RAIN BUT NO HAIL HAD BEEN REPORTED. THE STORMS WERE MOVING TO THE NORTHEAST AT 10 TO 15 MILES AN HOUR. HAIL...BRIEF HEAVY RAIN AND STRONG WINDS SHOULD BE EXPECTED WITH THESE STORMS. DEADLY LIGHTNING ALSO WILL OCCUR. THE HEAVY RAIN MAY CAUSE MINOR FLOODING OF CREEKS...URBAN AREAS AND OTHER LOW LYING SPOTS. IF THREATENINDG WEATHER APPROACHES...BE PREPARED TO MOVE TO A SAFE PLACE QUICKLY. WCJIN-WYSE-WYNE COX
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 25, 7:24 PM MDT | Severe Thunderstorm Warning | CYS | Converse | 66 min |
| Aug 25, 11:07 PM MDT | Severe Thunderstorm Warning | CYS | Platte | 32 min |
Nearby
Severe Thunderstorm Warnings in Wyoming, 1995Every severe thunderstorm warning in 1995
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.