Alert archive / Wyoming / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 49, NWS Cheyenne, WY
NWS Cheyenne, WY issued this severe thunderstorm warning at Jun 16, 1996, 7:58 PM MDT for Converse County, Platte County, Wyoming. It was in force for 47 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
- Jun 16, 1996, 7:58 PM MDT (01:58 UTC)
- Expired
- Jun 16, 1996, 8:45 PM MDT
- In force
- 47 min
- Issued by
- NWS Cheyenne, WY
- Area
- Whole counties
Counties Converse County, WY, Platte County, WY
The nearest sounding before it
Rapid City, SD (KUNR), launched 00:00Z, 2.0 hours before the alert went out and 255 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
- 126 J/kg
- Mixed-layer CIN
- -50 J/kg
- Mixed-layer LCL
- 1385 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 9 m²/s²
- 0-3 km storm-relative helicity
- 73 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 170159 SVRCYS WYC009-031-170245- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE CHEYENNE WY 758 PM MDT SUN JUN 16 1996 THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 845 PM MDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN EAST CENTRAL WYOMING ...FAR SOUTHEASTERN CONVERSE COUNTY IN SOUTHEAST WYOMING ...NORTHERN PLATTE COUNTY THIS WARNING INCLUDES THE TOWNS OF LOST SPRINGS AND SHAWNEE IN CONVERSE COUNTY...AND THE GLENDO AND GUERNSEY AREAS IN PLATTE COUNTY. AT 758 PM...RADAR CONTINUED TO INDICATE SEVERE THUNDERSTORMS WITH VERY HEAVY RAIN IN FAR SOUTHEAST CONVERSE AND NORTHERN PLATTE COUNTIES. LARGE HAIL AND LOCALIZED FLOODING ARE LIKELY. THIS IS A DANGEROUS STORM! STAY INDOORS AWAY FROM WINDOWS! FLOODING OF SMALL CREEKS AND STREAMS IS LIKELY...ESPECIALLY IN NORTHEAST PLATTE COUNTY! WCJIN-WYSE-WYNE JAD
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 16, 3:51 PM MDT, 4 hours 7 minutes before
WYZ062-063-064-065-066-067-069-162245- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 349 PM MDT SUN JUN 16 1996 ...THUNDERSTORMS DEVELOPING OVER SOUTHEAST WYOMING... AT 345PM THE CHEYENNE RADAR SHOWED THUNDERSTORMS DEVELOPING OVER SOUTHEAST WYOMING...PRIMARILY NORTH AND EAST CARBON...ALBANY AND EXTREME SOUTHWEST LARAMIE COUNTIES. THE STRONGEST STORM WAS 10 MILES SOUTHWEST OF CHEYENNE AND WILL AFFECT THE TERRY BISON RANCH rAREA BY 430PM. THE STORMS WERE MOVING TO THE SOUTHEAST AT 10 TO 15 MILES AN HOUR. BRIEF HEAVY RAIN...SMALL HAIL AND GUSTY WINDS SHOULD BE EXPECTED FROM THE STRONGEST STORMS AS WELL AS DEADLY LIGHTNING. WCJIN-WYSE COX
Special weather statement, Jun 16, 4:58 PM MDT, 3 hours before
WYZ059-060-067>070-NEZ001-019-020-054-170000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 457 PM MDT SUN JUN 16 1996 ...SOME STRONG THUNDERSTORMS WERE OVER SOUTHEAST WYOMING AT 455 PM... THE STRONGEST STORMS WERE LOCATED OVER THE SOUTHERN AND WESTERN PARTS OF LARAMIE COUNTY. ONE STRONG STORM WAS LOCATED ABOUT 15 MILES EAST SOUTHEAST OF CHEYENNE...WITH MORE STORMS 5 TO 20 MILES WEST AND NORTHWEST OF THE CITY. ANOTHER LONE STORM HAD POPPED UP IN THE VICINITY OF LUSK IN SOUTHERN NIOBRARA COUNTY. ALL STORMS WERE MOVING GENERALLY EAST AT 15 TO 20 MPH. SMALL HAIL AND BRIEF HEAVY RAIN WILL BE THE MAIN THREATS...ALONG WITH DANGEROUS LIGHTNING. BE SURE TO STAY INDOORS WHEN STORMS ARE IN YOUR AREA. WCJIN-WYSE JAD
Special weather statement, Jun 16, 5:36 PM MDT, 2 hours 22 minutes before
WYZ060-067>070-NEZ001-019-020-054-170030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 535 PM MDT SUN JUN 16 1996 ...STRONG THUNDERSTORMS CONTINUE OVER SOUTHEAST WYOMING AT 530 PM... STRONGEST STORMS WERE LOCATED OVER THE CENTRAL PART OF LARAMIE COUNTY ...ABOUT 15 MILES NORTH AND NORTHEAST OF CHEYENNE. ANOTHER STORM WAS LOCATED NEAR LUSK IN NIOBRARA COUNTY...WITH MORE STORMS MOVING INTO THE LARAMIE RANGE 20 MILES WEST OF WHEATLAND. ALL STORMS WERE MOVING GENERALLY EAST AT 15 TO 20 MPH. HEAVY RAIN AND PEA TO MARBLE SIZE HAIL HAVE BEEN REPORTED WITH THESE STORMS. PEOPLE IN CENTRAL AND EASTERN LARAMIE COUNTY...AS WELL AS SOUTHEAST NIOBRARA COUNTY SHOULD REMAIN INDOORS AS THESE STORMS PASS ON BY. WCJIN-WYSE JAD
Special weather statement, Jun 16, 6:36 PM MDT, 1 hour 22 minutes before
WYZ068-NEZ001-019-020-170130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 538 PM MDT SUN JUN 16 1996 ...A STRONG THUNDERSTORM HAS DEVELOPED IN FAR NORTHERN GOSHEN COUNTY AT 635 PM... THE STORM WAS LOCATED ABOUT 15 MILES SOUTH OF LUSK...JUST EAST OF HIGHWAY 85. IT WAS MOVING SOUTHEAST AT 15 TO 20 MPH...AND WILL BE AFFECTING THE NORTHEAST PART OF GOSHEN COUNTY THROUGH 730 PM. HEAVY RAIN AND PEA TO MARBLE SIZE HAIL ARE LIKELY WITH THIS STORM. STAY INDOORS AWAY FROM WINDOWS WHEN STORMS ARE IN YOUR AREA. WCJIN-WYSE JAD
Special weather statement, Jun 16, 7:08 PM MDT, 50 minutes before
NEZ054-055-170215- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 706 PM MDT SUN JUN 16 1996 ...STRONG THUNDERSTORMS HAVE MOVED INTO WESTERN KIMBALL COUNTY... AT 705 PM MDT...STRONG THUNDERSTORMS HAD MOVED INTO WESTERN KIMBALL COUNTY. THE THUNDERSTORMS WERE IN A LINE FROM THE COLORADO BORDER TO THE BANNER COUNTY BORDER. THE LINE WAS MOVING EAST AT 20 MPH. THE LNE WAS 12 MILES WEST OF THE CITY OF KIMBALL. SMALL HAIL...VERY HEAVY RAIN AND WIND GUSTS OF 35 TO 40 MPH ARE POSSIBLE. BAKER
Special weather statement, Jun 16, 7:09 PM MDT, 49 minutes before
WYZ059-060-067-068-170200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 710 PM MDT SUN JUN 16 1996 ...STRONG THUNDERSTORMS CONTINUE TO DEVELOP OVER EAST CENTRAL AND SOUTHEAST WYOMING AT 705 PM... THE STRONGEST STORM WAS LOCATED ABOUT 20 MILES NORTHEAST OF DOUGLAS IN SOUTHEAST CONVERSE COUNTY. ANOTHER STRONG STORM WAS LOCATED ABOUT 25 MILES NORTHEAST OF WHEATLAND IN NORTHEAST PLATTE COUNTY. MORE STORMS WRE POPPING UP IN CENTRAL AND NORTHERN GOSHEN COUNTY...ABOUT 10 TO 30 MILES NORTH OF TORRINGTON. FINALLY...A BAND OF STORMS WAS MOVING THROUGH THE CENTRAL PART OF PLATTE COUNTY IN THE WHEATLAND AREA. THE STORMS WERE GENERALLY MOVING EAST OR SOUTHEAST AT ABOUT 20 MPH. SIMILAR STORMS TODAY HAVE PRODUCED PEA TO MARBLE SIZE HAIL...ALONG WITH VERY HEAVY RAIN AND GUSTY WINDS. SOME LOCALIZED FLOODING OF STREAMS AND CREEKS COULD ALSO OCCUR. < PEOPLE IN EAST CENTRAL AND SOUTHEAST WYOMING SHOULD STAY ALERT TO ANY THUNDERSTORMS MOVING INTO YOUR AREA. STAY INDOORS AND WAIT FOR THE STORMS TO PASS ON THROUGH. WCJIN-WYSE-WYNE JAD
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 16, 7:13 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Platte | 47 min |
| Jun 16, 7:13 PM MDT | Severe Thunderstorm Warning | CYS | Converse | 47 min |
| Jun 16, 8:02 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 43 min |
Nearby
Severe Thunderstorm Warnings in Wyoming, 1996Every severe thunderstorm warning 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.