Alert archive / Nebraska / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 76, NWS Cheyenne, WY
NWS Cheyenne, WY issued this severe thunderstorm warning at Jun 22, 1998, 8:08 PM MDT for Scotts Bluff County, Sioux County, Nebraska. It was in force for 32 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 22, 1998, 8:08 PM MDT (02:08 UTC)
- Expired
- Jun 22, 1998, 8:40 PM MDT
- In force
- 32 min
- Issued by
- NWS Cheyenne, WY
- Area
- Whole counties
Counties Scotts Bluff County, NE, Sioux County, NE
The radar
The Cheyenne radar (KCYS), 144 km from the middle of the area, began a volume at 02:07 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 22, 7:45 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Rapid City, SD (KUNR), launched 00:00Z, 2.1 hours before the alert went out and 222 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
- 610 J/kg
- Mixed-layer CIN
- -45 J/kg
- Mixed-layer LCL
- 2011 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 77 m²/s²
- 0-3 km storm-relative helicity
- 575 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 18.5
The text
As transmitted, in the capitals the NWS used until 2016.
761 WUUS1 KCYS 230209 RRA SVRCYS NEC157-165-230240- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE CHEYENNE WY 808 PM MDT MON JUN 22 1998 THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHERN SIOUX COUNTY IN THE NEBRASKA PANHANDLE NORTHWESTERN AND NORTH CENTRAL SCOTTS BLUFF COUNTY IN THE NEBRASKA PANHANDLE * UNTIL 840 PM MDT * AT 800 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 15 MILES NORTHWEST OF SCOTTSBLUFF NEAR MORRILL. .. MOVING EAST AT 15 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... MORRILL NOW MITCHELL BY 825 PM LAW ENFORCEMENT PERSONELL REPORTED THREE QUARTER INCH HAIL IN MORRILL AT ABOUT 755 PM. THIS WARNING REPLACES THE EARLIER TORNADO WARNING LARGE HAIL IS LIKELY WITH THIS STORM. SEEK SHELTER INSIDE A STURDY BUILDING AWAY FROM ALL WINDOWS UNTIL THE STORM PASSES. JMH &
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 22, 5:57 PM MDT, 2 hours 11 minutes before
WYZ059-060-064-066>070-230115- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 557 PM MDT MON JUN 22 1998 ...A TORNADO WATCH CONTINUES UNTIL 8 PM FOR MUCH OF EASTERN WYOMING... RADAR AT 445 PM SHOWED A LINE OF THUNDERSTORMS FROM ABOUT 25 MILES NORTH OF TORRINGTON TO ABOUT 25 MILES SOUTHWEST OF WHEATLAND. NONE OF THESE STORMS HAD PRODUCED ANY SEVERE WEATHER THROUGH 445 PM. THE ONLY SIGNIFICANT REPORT SO FAR HAS BEEN PEA SIZE HAIL AND SOME ROTATION IN THE CLOUDS IN THE LINGLE AREA BETWEEN 430 TO 445 PM... SOME 10 TO 15 MILES NORTHWEST OF TORRINGTON. OTHER STORMS IN EAST CENTRAL WYOMING HAVE MOVED INTO THE NORTHERN PARTS OF CONVERSE AND NIOBRARA COUNTIES. ONLY ISOLATED WEAK STORMS WERE OVER FAR SOUTHEAST WYOMING IN THE LARAMIE AND CHEYENNE AREAS. THE POTENTIAL FOR STRONG POSSIBLY SEVERE STORMS CONTINUES UNTIL 8 PM. PLATTE AND GOSHEN COUNTIES REMAIN THE MAIN AREA OF CONCERN AT THIS TIME. WCJIN-WYSE-WYNE JAD
Special weather statement, Jun 22, 5:57 PM MDT, 2 hours 11 minutes before
WYZ059-060-064-066>070-230115- SPECIAL WEATHER STATEMENT...CORRECTION TO TIMES NATIONAL WEATHER SERVICE CHEYENNE WY 557 PM MDT MON JUN 22 1998 ...A TORNADO WATCH CONTINUES UNTIL 8 PM FOR MUCH OF EASTERN WYOMING... RADAR AT 545 PM SHOWED A LINE OF THUNDERSTORMS FROM ABOUT 25 MILES NORTH OF TORRINGTON TO ABOUT 25 MILES SOUTHWEST OF WHEATLAND. NONE OF THESE STORMS HAD PRODUCED ANY SEVERE WEATHER THROUGH 545 PM. THE ONLY SIGNIFICANT REPORT SO FAR HAS BEEN PEA SIZE HAIL AND SOME ROTATION IN THE CLOUDS IN THE LINGLE AREA BETWEEN 530 TO 545 PM... SOME 10 TO 15 MILES NORTHWEST OF TORRINGTON. OTHER STORMS IN EAST CENTRAL WYOMING HAVE MOVED INTO THE NORTHERN PARTS OF CONVERSE AND NIOBRARA COUNTIES. ONLY ISOLATED WEAK STORMS WERE OVER FAR SOUTHEAST WYOMING IN THE LARAMIE AND CHEYENNE AREAS. THE POTENTIAL FOR STRONG POSSIBLY SEVERE STORMS CONTINUES UNTIL 8 PM. PLATTE AND GOSHEN COUNTIES REMAIN THE MAIN AREA OF CONCERN AT THIS TIME. WCJIN-WYSE-WYNE JAD
Special weather statement, Jun 22, 5:57 PM MDT, 2 hours 11 minutes before
WYZ059-060-064-066>070-230115- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 557 PM MDT MON JUN 22 1998 ...A TORNADO WATCH CONTINUES UNTIL 8 PM FOR MUCH OF EASTERN WYOMING... RADAR AT 445 PM SHOWED A LINE OF THUNDERSTORMS FROM ABOUT 25 MILES NORTH OF TORRINGTON TO ABOUT 25 MILES SOUTHWEST OF WHEATLAND. NONE OF THESE STORMS HAD PRODUCED ANY SEVERE WEATHER THROUGH 445 PM. THE ONLY SIGNIFICANT REPORT SO FAR HAS BEEN PEA SIZE HAIL AND SOME ROTATION IN THE CLOUDS IN THE LINGLE AREA BETWEEN 430 TO 445 PM... SOME 10 TO 15 MILES NORTHWEST OF TORRINGTON. OTHER STORMS IN EAST CENTRAL WYOMING HAVE MOVED INTO THE NORTHERN PARTS OF CONVERSE AND NIOBRARA COUNTIES. ONLY ISOLATED WEAK STORMS WERE OVER FAR SOUTHEAST WYOMING IN THE LARAMIE AND CHEYENNE AREAS. THE POTENTIAL FOR STRONG POSSIBLY SEVERE STORMS CONTINUES UNTIL 8 PM. PLATTE AND GOSHEN COUNTIES REMAIN THE MAIN AREA OF CONCERN AT THIS TIME. WCJIN-WYSE-WYNE JAD
Special weather statement, Jun 22, 5:57 PM MDT, 2 hours 11 minutes before
WYZ059-060-064-066>070-230115- SPECIAL WEATHER STATEMENT...CORRECTION TO TIMES NATIONAL WEATHER SERVICE CHEYENNE WY 557 PM MDT MON JUN 22 1998 ...A TORNADO WATCH CONTINUES UNTIL 8 PM FOR MUCH OF EASTERN WYOMING... RADAR AT 545 PM SHOWED A LINE OF THUNDERSTORMS FROM ABOUT 25 MILES NORTH OF TORRINGTON TO ABOUT 25 MILES SOUTHWEST OF WHEATLAND. NONE OF THESE STORMS HAD PRODUCED ANY SEVERE WEATHER THROUGH 545 PM. THE ONLY SIGNIFICANT REPORT SO FAR HAS BEEN PEA SIZE HAIL AND SOME ROTATION IN THE CLOUDS IN THE LINGLE AREA BETWEEN 530 TO 545 PM... SOME 10 TO 15 MILES NORTHWEST OF TORRINGTON. OTHER STORMS IN EAST CENTRAL WYOMING HAVE MOVED INTO THE NORTHERN PARTS OF CONVERSE AND NIOBRARA COUNTIES. ONLY ISOLATED WEAK STORMS WERE OVER FAR SOUTHEAST WYOMING IN THE LARAMIE AND CHEYENNE AREAS. THE POTENTIAL FOR STRONG POSSIBLY SEVERE STORMS CONTINUES UNTIL 8 PM. PLATTE AND GOSHEN COUNTIES REMAIN THE MAIN AREA OF CONCERN AT THIS TIME. WCJIN-WYSE-WYNE JAD
Special weather statement, Jun 22, 6:02 PM MDT, 2 hours 6 minutes before
NEZ001>003-019>021-054-055-230115- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 602 PM MDT MON JUN 22 1998 ...A TORNADO WATCH REMAINS IN EFFECT UNTIL 8 PM... AT 555 PM...RADAR SHOWED A BAND OF STORMS MOVING INTO THE WESTERN PART OF SIOUX COUNTY. NONE OF THE STORMS APPEARED TO BE SEVERE AT THIS TIME. A FEW OTHER WEAK STORMS WERE MOVING INTO WESTERN BANNER COUNTY. ALL STORMS WERE MOVING NORTHEAST AROUND 15 TO 20 MPH. THE POTENTIAL FOR STRONG POSSIBLY SEVERE STORMS CONTINUES IN THE PANHANDLE UNTIL 8 PM. STAY TUNED TO THIS STATION FOR THE LATEST INFORMATION. JAD
Special weather statement, Jun 22, 6:02 PM MDT, 2 hours 6 minutes before
NEZ001>003-019>021-054-055-230115- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 602 PM MDT MON JUN 22 1998 ...A TORNADO WATCH REMAINS IN EFFECT UNTIL 8 PM... AT 555 PM...RADAR SHOWED A BAND OF STORMS MOVING INTO THE WESTERN PART OF SIOUX COUNTY. NONE OF THE STORMS APPEARED TO BE SEVERE AT THIS TIME. A FEW OTHER WEAK STORMS WERE MOVING INTO WESTERN BANNER COUNTY. ALL STORMS WERE MOVING NORTHEAST AROUND 15 TO 20 MPH. THE POTENTIAL FOR STRONG POSSIBLY SEVERE STORMS CONTINUES IN THE PANHANDLE UNTIL 8 PM. STAY TUNED TO THIS STATION FOR THE LATEST INFORMATION. JAD
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 22, 7:08 PM MDT | Tornado Warning | CYS | Scotts Bluff, Sioux | 17 min |
| Jun 22, 7:29 PM MDT | Tornado Warning | CYS | Scotts Bluff, Sioux | 36 min |
| Jun 22, 8:27 PM MDT | Tornado Warning | CYS | Box Butte, Morrill | 18 min |
| Jun 22, 8:40 PM MDT | Severe Thunderstorm Warning | CYS | Scotts Bluff, Sioux | 30 min |
| Jun 23, 4:46 PM MDT | Severe Thunderstorm Warning | CYS | Morrill | 49 min |
| Jun 23, 5:37 PM MDT | Tornado Warning | CYS | Morrill | 33 min |
Nearby
Severe Thunderstorm Warnings in Nebraska, 1998Every severe thunderstorm warning in 1998
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.