Alert archive / Nebraska / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 166, NWS Cheyenne, WY
NWS Cheyenne, WY issued this severe thunderstorm warning at Aug 9, 1996, 6:17 PM MDT for Banner County, Nebraska; Laramie County, Wyoming. It was in force for 43 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 9, 1996, 6:17 PM MDT (00:17 UTC)
- Expired
- Aug 9, 1996, 7:00 PM MDT
- In force
- 43 min
- Issued by
- NWS Cheyenne, WY
- Area
- Whole counties
Counties Banner County, NE, Laramie County, WY
The radar
The Cheyenne radar (KCYS), 59 km from the middle of the area, began a volume at 00:21 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 00:00Z, 0.3 hours before the alert went out and 191 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
- 625 J/kg
- Mixed-layer CIN
- -56 J/kg
- Mixed-layer LCL
- 2579 m above ground
- 0-6 km bulk shear
- 0 kt
- 0-1 km storm-relative helicity
- -26 m²/s²
- 0-3 km storm-relative helicity
- 37 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 100020 SVRCYS NEC007-WYC021-100100- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE CHEYENNE WY 617 PM MDT FRI AUG 9 1996 THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 700 PM MDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN THE NEBRASKA PANHANDLE ...SOUTHWEST BANNER COUNTY IN SOUTHEAST WYOMING ...NORTHEASTERN LARAMIE COUNTY THIS INCLUDES THE CITY OF ALBIN. ...THIS WARNING REPLACES PREVIOUS WARNINGS FOR SOUTHEAST GOSHEN... NORTHEAST LARAMIE...SOUTHWEST SCOTTS BLUFF AND NORTHWEST BANNER COUNTIES... AT 617 PM...DOPPLER RADAR INDCATED A SEVERE THUNDERSTORM CENTERED OVER NORTHEAST LARAMIE COUNTY...ABOUT 32 MILES TO THE NORTHEAST OF CHEYENNE. THIS STORM HAS MOVED LITTLE SINCE 515 PM...BUT WAS STARTING TO SHOW A EAST MOVEMENT AT 15 MPH. THIS STORM WAS LIKELY PRODUCING HAIL...UP TO ONE INCH IN DIAMETER...WIND GUSTS TO 50 MPH AND HEAVY RAIN. DOPPLER RADAR ESTIMATES HAVE BEEN MORE THAN 2 INCHES IN AN AREA TO THE NORTHWEST OF ALBIN. DAMAGING WINDS AND LARGE HAIL ARE LIKELY. GO INSIDE A STURDY BUILDING AND STAY AWAY FROM WINDOWS! WCJIN-WYSE 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, Aug 9, 3:47 PM MDT, 2 hours 30 minutes before
NEZ001-019-020-054-WYZ059-060-067>070-092230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 345 PM MDT FRI AUG 9 1996 AT 330 PM MDT...DOPPLER RADAR INDICATED NUMBER OF THUNDERSTORMS FROM WESTERN CONVERSE COUNTY INTO WESTERN AND SOUTHCENTRAL SOUTHCENTRAL PLATTE COUNTY. THE STORMS IN WESTERN CONVERSE COUNTY WERE LOCATED 30 MILES WEST NORTH WEST OF DOUGLAS AND 25 MILE NORTH NORTHWEST OF DOUGLAS. THE STORMS WERE MOVING EAST AT 15 MILES AN HOUR. STORMS IN PLATTE COUNTY WERE LOCATED 20 MILES NORTH NORTHWEST OF WHEATLAND...17 MILES WEST OF WHEATLAND AND 18 MILES SOUTH OF WHEATLAND. THE STORMS WERE MOVING SOUTHEAST AT 15 TO 20 MILES AN HOUR. A SEVERE THUNDERSTORM WARNING HAS BEEN ISSUED ON THE STORM 18 MILES SOUTH OF WHEATLAND...FOR POSSIBLE LARGE HAIL UNTIL 445 PM. OTHER STORMS MAY PRODUCE SMALL HAIL...BRIEF HEAVY RAINS AND DANGEROUS LIGHTNING UNTIL 445 PM. WCJIN-WYSE PAL
Special weather statement, Aug 9, 5:46 PM MDT, 31 minutes before
WYZ060-068-NEZ001-100030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 545 PM MDT FRI AUG 9 1996 ...STRONG THUNDERSTORMS HAVE DEVELOPED OVER CENTRAL NIOBRARA COUNTY EARLY THIS EVENING... AT 540 PM...STRONG THUNDERSTORMS WERE LOCATED OVER THE CENTRAL PART OF NIOBRARA COUNTY. AT THAT TIME...THE STORMS WERE FROM 10 NORTH OF LUSK TO NEAR LUSK. THESE STORMS WERE MOVING TO THE EAST AT 20 MPH. AT 543 PM...HEAVY RAIN AND PEA TO MARBLE SIZED HAIL WERE REPORTED JUST TO THE NORTH OF LUSK. THESE STORMS MAY PRODUCE HEAVY RAIN...SMALL HAIL...WIND GUSTS TO 40 MPH AND DANGEROUS LIGHTNING. PEOPLE IN CENTRAL AND EASTERN NIOBRARA COUNTY SHOULD BE AWARE OF THE THUNDERSTORMS. IF A THUNDERSTORM APPROACHES...MOVE TO A SAFE SHELTER. WCJIN-WYNE WEILAND
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 9, 6:36 PM MDT | Severe Thunderstorm Warning | CYS | Sioux | 54 min |
| Aug 9, 6:45 PM MDT | Severe Thunderstorm Warning | CYS | Banner, Morrill | 45 min |
| Aug 9, 6:45 PM MDT | Severe Thunderstorm Warning | CYS | Kimball | 45 min |
| Aug 9, 7:00 PM MDT | Severe Thunderstorm Warning | CYS | Dawes | 60 min |
| Aug 9, 7:12 PM MDT | Severe Thunderstorm Warning | CYS | Box Butte | 33 min |
| Aug 9, 7:29 PM MDT | Severe Thunderstorm Warning | CYS | Cheyenne, Kimball, Morrill | 46 min |
| Aug 9, 7:48 PM MDT | Severe Thunderstorm Warning | CYS | Dawes | 42 min |
| Aug 9, 8:14 PM MDT | Severe Thunderstorm Warning | CYS | Cheyenne | 46 min |
Nearby
Severe Thunderstorm Warnings in Nebraska, 1996Severe 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; radar from the NEXRAD Level II archive.