Alert archive / Wyoming / Severe Thunderstorm Warnings in 1995
Severe Thunderstorm Warning 42, NWS Cheyenne, WY
NWS Cheyenne, WY issued this severe thunderstorm warning at Jul 17, 1995, 4:23 PM MDT for Laramie County, Wyoming. It was in force for 52 min.
The area
The counties it named.
The facts
- Issued
- Jul 17, 1995, 4:23 PM MDT (22:23 UTC)
- Expired
- Jul 17, 1995, 5:15 PM MDT
- In force
- 52 min
- Issued by
- NWS Cheyenne, WY
- Area
- Whole counties
County Laramie County, WY
The radar
The Cheyenne radar (KCYS), 20 km from the middle of the area, began a volume at 22:22 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
Denver, CO (KDNR), launched 12:00Z, 10.4 hours before the alert went out and 202 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
- 1 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1485 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 10 m²/s²
- 0-3 km storm-relative helicity
- 64 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 172228 RRA SVRCYS WYC021-172315- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE CHEYENNE WY 423 PM MDT MON JUL 17 1995 THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 515 PM MDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHEAST WYOMING ...WESTERN AND NORTH CENTRAL LARAMIE COUNTY THIS INCLUDES THE TOWN OF HORSE CREEK. AT 420 PM THE PUBLIC REPORTED |TENNIS BALL SIZE HAIL AT HORSE CREEK...OR 25 MILES NORTHWEST OF CHEYENNE. THIS STORM WAS MOVING EAST AT 10 MPH. DAMAGING WINDS ARE LIKELY. GO INSIDE A STURDY BUILDING AND STAY AWAY FROM WINDOWS! DAW &
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, Jul 17, 1:39 PM MDT, 2 hours 44 minutes before
NEZ019-020-021-054-055-172030- SPECIAL WEATHER STATEMENT...CORRECTED NATIONAL WEATHER SERVICE CHEYENNE WY 140 PM MDT MON JUL 17 1995 ...STRONG THUNDERSTORM DEVELOPING RAPIDLY SOUTHWEST OF BRIDGEPORT IN MORRILL COUNTY... AT 115 PM DOPPLER RADAR IN CHEYENNE INDICATED THAT A STRONG THUNDERSTORM WAS INTENSIFYING IN SOUTHWEST MORRILL COUNTY OF THE NEBRASKA PANHANDLE. THIS STORM WAS MOVING SOUTHEAST AT 15 MPH AND IS CAPABLE OF PRODUCING HAIL...STRONG WINDS AND DEADLY LIGHTNING. IT WILL MOVE INTO NORTHERN CHEYENNE COUNTY AND AFFECT THE TOWN OF DALTON IN THE NEXT 15 TO 30 MINUTES. CONDITIONS ARE FAVORABLE FOR FURTHER INTENSIFICATION OF THIS STORM...AS WELL AS THUNDERSTORM DEVELOPMENT IN THE REMAINDER OF THE PANHANDLE. RESIDENTS SHOULD STAY IN CONTACT WITH NOAA WEATHER RADIO OR LOCAL MEDIA. CORRECTED CODING IN HEADER DAW
Special weather statement, Jul 17, 1:40 PM MDT, 2 hours 43 minutes before
NEZ019-020-021-054-055-172030- SPECIAL WEATHER STATEMENT...CORRECTED NATIONAL WEATHER SERVICE CHEYENNE WY 140 PM MDT MON JUL 17 1995 ...STRONG THUNDERSTORM DEVELOPING RAPIDLY SOUTHWEST OF BRIDGEPORT IN MORRILL COUNTY... AT 115 PM DOPPLER RADAR IN CHEYENNE INDICATED THAT A STRONG THUNDERSTORM WAS INTENSIFYING IN SOUTHWEST MORRILL COUNTY OF THE NEBRASKA PANHANDLE. THIS STORM WAS MOVING SOUTHEAST AT 15 MPH AND IS CAPABLE OF PRODUCING HAIL...STRONG WINDS AND DEADLY LIGHTNING. IT WILL MOVE INTO NORTHERN CHEYENNE COUNTY AND AFFECT THE TOWN OF DALTON IN THE NEXT 15 TO 30 MINUTES. CONDITIONS ARE FAVORABLE FOR FURTHER INTENSIFICATION OF THIS STORM...AS WELL AS THUNDERSTORM DEVELOPMENT IN THE REMAINDER OF THE PANHANDLE. RESIDENTS SHOULD STAY IN CONTACT WITH NOAA WEATHER RADIO OR LOCAL MEDIA. CORRECTED CODING IN HEADER DAW WUUS01KCYS 0
Special weather statement, Jul 17, 2:45 PM MDT, 1 hour 38 minutes before
WYZ065-066-067-069-172130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 245 PM MDT MON JUL 17 1995 ...A FEW STRONG THUNDERSTORMS HAVE DEVELOPED OVER FAR SOUTHEAST WYOMING AT 245 PM... THE STRONGEST STORM WAS LOCATED ABOUT 30 MILES WEST OF CHEYENNE...RIGHT ALONG THE ALBANY/LARAMIE COUNTY LINE. SOME OTHER STORMS WERE POPPING UP 30 TO 50 MILES NORTH OF LARAMIE. ALL STORMS WERE MOVING TO THE EAST AT ABOUT 15 TO 20 MPH. PEOPLE IN PLATTE...LARAMIE AND EASTERN ALBANY COUNTIES SHOULD STAY AWARE OF ANY THUNDERSTORMS MOVING INTO YOUR AREA. CONDITIONS ARE FAVORABLE FOR THESE STORMS TO GET STRONGER...WITH HAIL AND HEAVY RAIN THE MAIN THREATS. STAY TUNED TO THIS STATION FOR LATER INFORMATION. WCJIN-WYSE JAD WUUS01KCTP 0
Special weather statement, Jul 17, 2:46 PM MDT, 1 hour 37 minutes before
WYZ065-066-067-069-172130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 245 PM MDT MON JUL 17 1995 ...A FEW STRONG THUNDERSTORMS HAVE DEVELOPED OVER FAR SOUTHEAST WYOMING AT 245 PM... THE STRONGEST STORM WAS LOCATED ABOUT 30 MILES WEST OF CHEYENNE...RIGHT ALONG THE ALBANY/LARAMIE COUNTY LINE. SOME OTHER STORMS WERE POPPING UP 30 TO 50 MILES NORTH OF LARAMIE. ALL STORMS WERE MOVING TO THE EAST AT ABOUT 15 TO 20 MPH. PEOPLE IN PLATTE...LARAMIE AND EASTERN ALBANY COUNTIES SHOULD STAY AWARE OF ANY THUNDERSTORMS MOVING INTO YOUR AREA. CONDITIONS ARE FAVORABLE FOR THESE STORMS TO GET STRONGER...WITH HAIL AND HEAVY RAIN THE MAIN THREATS. STAY TUNED TO THIS STATION FOR LA>TER INFORMATION. WCJIN-WYSE JAD
Special weather statement, Jul 17, 3:25 PM MDT, 58 minutes before
WYZ066-067>070-172200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 325 PM MDT MON JUL 17 1995 ...A TORNADO WATCH HAS BEEN ISSUED FOR FAR SOUTHEAST WYOMING UNTIL 10 PM THIS EVENING... WARM HUMID AIR COUPLED WITH A WEAK UPSLOPE FLOW HAS LEAD TO THE DEVELOPMENT OF SOME STRONG STORMS ACROSS FAR SOUTHEAST WYOMING SINCE 2 PM. THESE STORMS WILL LIKELY BECOME STRONGER...AND SO A TORNADO WATCH HAS BEEN POSTED. COUNTIES AFFECTED BY THE WATCH ARE LARAMIE...SOUTHERN PLATTE...AND SOUTHERN GOSHEN. TOWNS INCLUDED ARE CHEYENNE...WHEATLAND...TORRINGTON AND PINE BLUFFS. AT 320 PM...A STRONG STORM WAS LOCATED ABOUT 30 MILES WEST OF CHEYENNE. ANOTHER STORM WAS ABOUT 35 MILES NORTHEAST OF CHEYENNE...WITH A FEW MORE WEAKER STORMS POPPING UP OVER THE LARAMIE RANGE WEST OF PLATTE COUNTY. THESE STORMS WERE MOVING EAST AT ABOUT 15 MPH. PEOPLE IN FAR SOUTHEAST WYOMING SHOULD STAY ALERT TO ANY THUNDERSTORMS MOVING INTO YOUR AREA. STAY TUNED TO THIS STATION FOR LATER INFORMATION. WCJIN-WYSE JAD WWUS34KDEN 0
Special weather statement, Jul 17, 3:25 PM MDT, 58 minutes before
WYZ066-067>070-172200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 325 PM MDT MON JUL 17 1995 ...A TORNADO WATCH HAS BEEN ISSUED FOR FAR SOUTHEAST WYOMING UNTIL 10 PM THIS EVENING... WARM HUMID AIR COUPLED WITH A WEAK UPSLOPE FLOW HAS LEAD TO THE DEVELOPMENT OF SOME STRONG STORMS ACROSS FAR SOUTHEAST WYOMING SINCE 2 PM. THESE STORMS WILL LIKELY BECOME STRONGER...AND SO A TORNADO WATCH HAS BEEN POSTED. COUNTIES AFFECTED BY THE WATCH ARE LARAMIE...SOUTHERN PLATTE...AND SOUTHERN GOSHEN. TOWNS INCLUDED ARE CHEYENNE...WHEATLAND...TORRINGTON AND PINE BLUFFS. AT 320 PM...A STRONG STORM WAS LOCATED ABOUT 30 MILES WEST OF CHEYENNE. ANOTHER STORM WAS ABOUT 35 MILES NORTHEAST OF CHEYENNE...WITH A FEW MORE WEAKER STORMS POPPING UP OVER THE LARAMIE RANGE WEST OF PLATTE COUNTY. THESE STORMS WERE MOVING EAST AT ABOUT 15 MPH. PEOPLE IN FAR SOUTHEAST WYOMING SHOULD STAY ALERT TO ANY THUNDERSTORMS MOVING INTO YOUR AREA. STAY TUNED TO THIS STATION FOR LATER INFORMATION. WCJIN-WYSE JAD WWUS34KDEN 0
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 17, 5:13 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 62 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.