Alert archive / Nebraska / Tornado Warnings in 1998
Tornado Warning 16, NWS Cheyenne, WY
NWS Cheyenne, WY issued this tornado warning at Jun 22, 1998, 8:27 PM MDT for Box Butte County, Morrill County, Nebraska. It was in force for 18 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jun 22, 1998, 8:27 PM MDT (02:27 UTC)
- Expired
- Jun 22, 1998, 8:45 PM MDT
- In force
- 18 min
- Issued by
- NWS Cheyenne, WY
- Area
- Whole counties
Counties Box Butte County, NE, Morrill County, NE
The radar
The Cheyenne radar (KCYS), 172 km from the middle of the area, began a volume at 02:30 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 22, 8:30 PM MDT | Thunderstorm Wind 52 | Alliance, NE | Strong thunderstorm winds up to 62 mph knocked down 2 power poles 8 miles south-southwest of Alliance. The poles were broke off at ground level and caused a brief power outage for customers in the immediate area. |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
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
N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 2.5 hours before the alert went out and 224 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
- 1134 J/kg
- Mixed-layer CIN
- -84 J/kg
- Mixed-layer LCL
- 1509 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 71 m²/s²
- 0-3 km storm-relative helicity
- 174 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 6.4
The text
As transmitted, in the capitals the NWS used until 2016.
906 WFUS1 KCYS 230228 RRA TORCYS NEC013-123-230245- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE CHEYENNE WY 827 PM MDT MON JUN 22 1998 THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A * TORNADO WARNING FOR... SOUTHWESTERN BOX BUTTE COUNTY IN THE NEBRASKA PANHANDLE NORTHWESTERN MORRILL COUNTY IN THE NEBRASKA PANHANDLE * UNTIL 845 PM MDT * AT 823 PM... SPOTTERS INDICATED A TORNADO 20 MILES SOUTHWEST OF ALLIANCE... MOVING EAST AT 15 MPH. * THE TORNADO IS EXPECTED TO BE NEAR... THE STORM WILL REMAIN OVER OPEN COUNTRY. GO TO THE BASEMENT OR A SMALL INTERIOR ROOM ON THE LOWEST FLOOR JAD
What forecasters said that day
The local office's own words before this tornado 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 30 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 25 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 25 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, 8:16 PM MDT, 11 minutes before
WYZ059-064>067-069-070-230245- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 816 PM MDT MON JUN 22 1998 ..THE TORNADO WATCH FOR MUCH OF EASTERN WYOMING EXPIRED AT 8 PM... STORMS HAVE MOVED NORTH AND EAST OF THE WATCH AREA AT 8 PM...SO THE TORNADO WATCH HAS BEEN ALLOWED TO END. ONLY A FEW STORMS POPPED UP FROM LARAMIE AND CHEYENNE NORTH INTO THE DOUGLAS AREA DURING THE AFTERNOON AND EARLY EVENING. ABOUT THE ONLY SIGNIFICANT WEATHER REPORTED WAS SOME MARBLE SIZE HAIL IN THE WHEATLAND AREA AROUND 645 TO 700 PM. WCJIN-WYSE JAD
Special weather statement, Jun 22, 8:16 PM MDT, 11 minutes before
WYZ059-064>067-069-070-230245- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 816 PM MDT MON JUN 22 1998 ..THE TORNADO WATCH FOR MUCH OF EASTERN WYOMING EXPIRED AT 8 PM... STORMS HAVE MOVED NORTH AND EAST OF THE WATCH AREA AT 8 PM...SO THE TORNADO WATCH HAS BEEN ALLOWED TO END. ONLY A FEW STORMS POPPED UP FROM LARAMIE AND CHEYENNE NORTH INTO THE DOUGLAS AREA DURING THE AFTERNOON AND EARLY EVENING. ABOUT THE ONLY SIGNIFICANT WEATHER REPORTED WAS SOME MARBLE SIZE HAIL IN THE WHEATLAND AREA AROUND 645 TO 700 PM. WCJIN-WYSE JAD
Special weather statement, Jun 22, 8:22 PM MDT, 5 minutes before
NEZ001>003-019>021-054-055-WYZ060-068-230305- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 822 PM MDT MON JUN 22 1998 ...THE TORNADO WATCH HAS BEEN REPLACED WITH A SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 2 AM... AT 820 PM...STRONG STORMS CONTINUED TO MOVE ACROSS CENTRAL GOSHEN COUNTY IN WYOMING EAST INTO SIOUX AND SCOTTS BLUFF COUNTIES IN NEBRASKA. THE POTENTIAL STILL EXISTS FOR THESE STORMS TO BE NEAR SEVERE LEVELS FOR THE NEXT FEW HOURS...SO A SEVERE THUNDERSTORM WATCH IN NOW IN EFFECT UNTIL 2 AM FOR FAR EASTERN WYOMING AND MOST OF THE NEBRASKA PANHANDLE. THE BIGGEST THREAT AREA THROUGH 10 PM WILL BE ACROSS THE CENTRAL PART OF THE PANHANDLE FROM TORRINGTON TO SCOTTSBLUFF AND EASTWARD. PEOPLE IN FAR EASTERN WYOMING AND THE NEBRASKA PANHANDLE SHOULD REMAIN ALERT TO STORMS MOVING INTO YOUR AREA...AND BE READY TO MOVE INDOORS IF THREATENING WEATHER APPROACHES. 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, 8:08 PM MDT | Severe Thunderstorm Warning | CYS | Scotts Bluff, Sioux | 32 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
Tornado Warnings in Nebraska, 1998Every tornado warning in 1998Tornadoes 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.