Alert archive / Wyoming / Severe Thunderstorm Warnings in 1995
Severe Thunderstorm Warning 8, NWS Cheyenne, WY
NWS Cheyenne, WY issued this severe thunderstorm warning at Jun 7, 1995, 7:37 PM MDT for Goshen County, Niobrara County, Platte County, Wyoming. It was in force for 53 min.
The area
The counties it named.
The facts
- Issued
- Jun 7, 1995, 7:37 PM MDT (01:37 UTC)
- Expired
- Jun 7, 1995, 8:30 PM MDT
- In force
- 53 min
- Issued by
- NWS Cheyenne, WY
- Area
- Whole counties
Counties Goshen County, WY, Niobrara County, WY, Platte County, WY
The nearest sounding before it
Rapid City, SD (KRAP), launched 00:00Z, 1.6 hours before the alert went out and 230 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
- 546 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- -77 m²/s²
- 0-3 km storm-relative helicity
- 130 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 080140 RRA SVRCYS WYC015-027-031-080230- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE CHEYENNE WY 737 PM MDT WED JUN 7 1995 THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 830 PM MDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTHEAST WYOMING ...EXTREME NORTHWEST GOSHEN COUNTY...NORTHEASTERN PLATTE COUNTY. THIS WARNING INCLUDES THE CITIES OF HARTVILLE AND SUNRISE. AT 730 PM...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM WAS LOCATED 20 MILES NORTH OF WHEATLAND...OR 5 MILES NORTHWEST OF GUERNSEY. THIS SEVERE THUNDERSTORM WAS NOW MOVING TO THE NORTHEAST AT 20 MPH. AT 715 PM...HAIL COVERED THE GROUND TO A DEPTH OF 3 INCHES ABOUT 10 MILES NORTH OF WHEATLAND. THE HEAVY RAIN ASSOCIATED WITH THIS THUNDERSTORM MAY PRODUCE LOWLAND FLOODING AND SMALL STREAMS TO RISE RAPIDLY. THIS SEVERE THUNDERSTORM MAY ALSO PRODUCE FUNNEL CLOUDS. THIS IS A DANGEROUS STORM! STAY INDOORS AWAY FROM WINDOWS! WEILAND
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 7, 5:35 PM MDT, 2 hours 2 minutes before
WYZ020>025-061>070-080500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 535 PM MDT WED JUN 7 1995 ...STRONG THUNDERSTORMS WERE DEVELOPING OVER SOUTHERN WYOMING LATE THIS AFTERNOON... AT 530 PM STRONG THUNDERSTORMS WERE DEVELOPING OVER SOUTHERN WYOMING. IN PARTICULAR...A STRONG THUNDERSTORM HAS DEVELOPED 20 MILES SOUTHWEST OF CHEYENNE...JUST OVER THE COLORADO BORDER. THIS STORM IS MOVING TO THE NORTHEAST AT 20 MPH. HEAVY RAIN...SMALL HAIL...DANGEROUS LIGHTENING AND GUSTY WINDS CAN BE EXPECTED WITH THIS STORM. THUNDESTORMS ARE EXPECTED TO CONTINUE TO DEVELOP ACROSS SOUTHERN WYOMING DURING THE EVENING HOURS. PEOPLE LIVING IN SOUTHERN WYOMING SHOULD BE AWARE OF THE DEVELOPING THUNDERSTORMS AND BE ON THE LOOKOUT FOR HEAVY RAINS...DANGEROUS LIGHTENING...HAIL AND GUSTY WINDS. IF THUNDERSTORMS APPROACH YOUR AREA STAY INSIDE AND AWAY FROM WINDOWS. MATHEWSON
Special weather statement, Jun 7, 5:48 PM MDT, 1 hour 49 minutes before
WYZ020>025-061>070-080500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 535 PM MDT WED JUN 7 1995 ...STRONG THUNDERSTORMS WERE DEVELOPING OVER SOUTHERN WYOMING LATE THIS AFTERNOON... AT 530 PM STRONG THUNDERSTORMS WERE DEVELOPING OVER SOUTHERN WYOMING. IN PARTICULAR...A STRONG THUNDERSTORM HAS DEVELOPED 20 MILES SOUTHWEST OF CHEYENNE...JUST OVER THE COLORADO BORDER. THIS STORM IS MOVING TO THE NORTHEAST AT 20 MPH. HEAVY RAIN...SMALL HAIL...DANGEROUS LIGHTENING AND GUSTY WINDS CAN BE EXPECTED WITH THIS STORM. THUNDESTORMS ARE EXPECTED TO CONTINUE TO DEVELOP ACROSS SOUTHERN WYOMING DURING THE EVENING HOURS. PEOPLE LIVING IN SOUTHERN WYOMING SHOULD BE AWARE OF THE DEVEL@OPING THUNDERSTORMS AND BE ON THE LOOKOUT FOR HEAVY RAINS...DANGEROUS LIGHTENING...HAIL AND GUSTY WINDS. IF THUNDERSTORMS APPROACH YOUR AREA STAY INSIDE AND AWAY FROM WINDOWS. MATHEWSON
Special weather statement, Jun 7, 6:10 PM MDT, 1 hour 27 minutes before
WYZ065>070-NE001>003-019>020-054-055-080200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 610 PM MDT WED JUN 7 1995 ...A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR THE SOUTHEAST CORNER OF WYOMING AND THE NEBRASKA PANHANDLE UNTIL 1100 PM... THE NATIONAL SEVERE STORMS FORECAST CENTER HAS ISSUED A SEVERE THUNDERSTORM WATCH UNTIL 1100 PM FOR THE SOUTHEAST CORNER OF WYOMING AND THE NEBRASKA PANHANDLE. SOME CITIES IN THIS WATCH ARE CHEYENNE... WHEATLAND...TORRINGTON...SCOTTSBLUFF...ALLIANCE AND SIDNEY. A SEVERE THUNDERSTORM WATCH MEANS THAT WEATHER CONDITIONS ARE FAVORABLE FOR THUNDERSTORMS WHICH MAY PRODUCE LARGE HAIL...STRONG WIND GUSTS... HEAVY RAIN AND DANGEROUS LIGHTNING. AT 555 PM...THUNDERSTORMS CONTINUED TO INTENSIFY OVER SOUTHEAST WYOMING. AT THAT TIME...THE STRONGEST STORMS WERE LOCATED 30 MILES NORTH OF CHEYENNE...A LINE FROM 25 MILES NORTHWEST TO 25 MILES SOUTHWEST OF CHEYENNE...10 MILES WEST OF WHEATLAND AND 30 MILES NORTH OF LARAMIE. ALL OF THE THUNDERSTORMS WERE MOVING TO THE NORTH AT 20 MPH. AT 555 PM...THUNDERSTORMS HAD YET TO DEVELOP IN THE NEBRASKA PANHANDLE. THE STRONG THUNDERSTORMS IN SOUTHEAST WYOMING EARLY THIS EVENING WILL PRODUCE HAIL...HEAVY RAIN...STRONG WIND GUSTS TO 50 MPH AND DANGEROUS LIGHTNING. THERE IS EVEN A POSSIBILITY OF FUNNEL CLOUDS. THE STRONG THUNDERSTORMS WILL CONTINUE TO DEVELOP EAST AND MOVE INTO THE NEBRASKA PANHANDLE AROUND 700 PM. WITH THE HEAVY RAINFALL AND STORMS MOVING OVER THE SAME AREA...LOCAL FLOODING OF LOW LYING AREAS IS POSSIBLE. THE THUNDERSTORMS WILL CONTINUE OVER SOUTHEAST WYOMING AND THE NEBRASKA PANHANDLE UNTIL AROUND MIDNIGHT. BE PREPARED WHEN A THUNDERSTORM APPROACHES YOUR AREA. IF A STORM NEARS...MOVE TO A SAFE SHELTER. WCJIN-WYSE WEILAND
Special weather statement, Jun 7, 6:11 PM MDT, 1 hour 26 minutes before
WYZ065>070-NE001>003-019>020-054-055-080200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 610 PM MDT WED JUN 7 1995 ...A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR THE SOUTHEAST CORNER OF WYOMING AND THE NEBRASKA PANHANDLE UNTIL 1100 PM... THE NATIONAL SEVERE STORMS FORECAST CENTER HAS ISSUED A SEVERE THUNDERSTORM WATCH UNTIL 1100 PM FOR THE SOUTHEAST CORNER OF WYOMING AND THE NEBRASKA PANHANDLE. SOME CITIES IN THIS WATCH ARE CHEYENNE... WHEATLAND...TORRINGTON...SCOTTSBLUFF...ALLIANCE AND SIDNEY. A SEVERE THUNDERSTORM WATCH MEANS THAT WEATHER CONDITIONS ARE FAVORABLE FOR THUNDERSTORMS WHICH MAY PRODUCE LARGE HAIL...STRONG WIND GUSTS... HEAVY RAIN AND DANGEROUS LIGHTNING. AT 555 PM...THUNDERSTORMS CONTINUED TO INTENSIFY OVER SOUTHEAST WYOMING. AT THAT TIME...THE STRONGEST STORMS WERE LOCATED 30 MILES NORTH OF CHEYENNE...A LINE FROM 25 MILES NORTHWEST TO 25 MILES SOUTHWEST OF CHEYENNE...10 MILES WEST OF WHEATLAND AND 30 MILES NORTH OF LARAMIE. ALL OF THE THUNDERSTORMS WERE MOVING TO THE NORTH AT 20 MPH. AT 555 PM...THUNDERSTORMS HAD YET TO DEVELOP IN THE NEBRASKA PANHANDLE. THE STRONG THUNDERSTORMS IN SOUTHEAST WYOMING EARLY THIS EVENING WILL PRODUCE HAIL...HEAVY RAIN...STRONG WIND GUSTS TO 50 MPH AND DANGEROUS LIGHTNING. THERE IS EVEN A POSSIBILITY OF FUNNEL CLOUDS. THE STRONG THUNDERSTORMS WILL CONTINUE TO DEVELOP EAST AND MOVE INTO THE NEBRASKA PANHANDLE AROUND 700 PM. WITH THE HEAVY RAINFALL AND STORMS MOVING OVER THE SAME AREA...LOCAL FLOODING OF LOW LYING AREAS IS POSSIBLE. THE THUNDERSTORMS WILL CONTINUE OVER SOUTHEAST WYOMING AND THE NEBRASKA PANHANDLE UNTIL AROUND MIDNIGHT. BE PREPARED WHEN A THUNDERSTORM APPROACHES YOUR AREA. IF A STORM NEARS...MOVE TO A SAFE SHELTER. WCJIN-WYSE WEILAND
Special weather statement, Jun 7, 6:59 PM MDT, 38 minutes before
WYZ066>070-080300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 659 PM MDT WED JUN 7 1995 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHERN PLATTE COUNTY UNTIL 730 PM... INTENSE THUNDERSTORMS CONTINUED OVER SOUTHEAST WYOMING THIS EVENING. THE INTENSE THUNDERSTORMS WERE IN A LINE FROM 12 MILES NORTHWEST OF WHEATLAND TO 25 MILES SOUTHWEST OF CHEYENNE. ALL OF THE THUNDERSTORMS WERE MOVING TO THE NORTH AT 20 MPH. A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHEN PLATTE COUNTY UNTIL 730 PM. IN ADDITION...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR SOUTHEAST WYOMING AND THE NEBRASKA PANHANDLE UNTIL 1100 PM. AT 630 PM...THREE EIGHTHS INCH DIAMETER HAIL FEEL 18 MILES WEST OF CHEYENNE. ALL OF THE THUNDERSTORMS WILL LIKELY PRODUCE HEAVY RAIN...HAIL... WIND GUSTS TO 50 MPH AND DANGEROUS LIGHTNING. EVEN FUNNEL CLOUDS MAY BE POSSIBLE WITH THESE STORMS. FLOODING OF LOW LYING AREAS ALONG AND NEAR THE LARAMIE RANGE IS ALSO POSSIBLE. DOPPLER RADAR ESTIMATES OF AROUND AN INCH OF RAIN SINCE 600 PM HAS FALLEN IN THE SOUTHERN LARAMIE RANGE WEST OF CHEYENNE. A RANCH 20 MILES WEST OF WHEATLAND REPORTED OVER 2 INCHES OF RAIN IN A SHORT TIME BETWEEN 615 AND 635 PM. THE NORTH LARAMIE RIVER ROSE 3 FEET IN A SHORT TIME. BE PREPARED WHEN A THUNDERSTORM APPROACHES YOUR AREA. IF A STORM NEARS...MOVE TO A SAFE SHELTER. WCJIN-WYSE WEILAND
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 7, 6:43 PM MDT | Severe Thunderstorm Warning | CYS | Platte | 47 min |
| Jun 7, 10:33 PM MDT | Flash Flood Warning | CYS | Goshen | 4 hr |
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.