Alert archive / Nebraska / Tornado Warnings in 1998
Tornado Warning 10, NWS Cheyenne, WY
NWS Cheyenne, WY issued this tornado warning at Jun 9, 1998, 4:42 PM MDT for Kimball 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 9, 1998, 4:42 PM MDT (22:42 UTC)
- Expired
- Jun 9, 1998, 5:00 PM MDT
- In force
- 18 min
- Issued by
- NWS Cheyenne, WY
- Area
- Whole counties
County Kimball County, NE
The radar
The Cheyenne radar (KCYS), 91 km from the middle of the area, began a volume at 22:43 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 9, 5:00 PM MDT | Tornado F0 | Kimball, NE | A brief tornado was reported west of Kimball, but quickly dissipated. |
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 nearest sounding before it
Denver, CO (KDNR), launched 12:00Z, 10.7 hours before the alert went out and 153 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
- 30 J/kg
- Mixed-layer CIN
- -98 J/kg
- Mixed-layer LCL
- 647 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 60 m²/s²
- 0-3 km storm-relative helicity
- 161 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 092242 RRA TORCYS NEC105-092300- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE CHEYENNE WY 442 PM MDT TUE JUN 9 1998 THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A * TORNADO WARNING FOR... SOUTHWESTERN KIMBALL COUNTY IN THE NEBRASKA PANHANDLE * UNTIL 500 PM MDT * AT 440 PM... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A TORNADO 20 MILES SOUTHWEST OF KIMBALL... MOVING EAST NORTHEAST AT 20 MPH. * THE TORNAFDO IS EXPECTED TO BE NEAR... THIS STORM WILL REMAIN OVER OPEN COUNTRY. GO TO THE BASEMENT OR A SMALL INTERIOR ROOM ON THE LOWEST FLOOR! JAD
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 9, 4:00 PM MDT | Severe Thunderstorm Warning | CYS | Scotts Bluff | 35 min |
| Jun 9, 4:31 PM MDT | Severe Thunderstorm Warning | CYS | Kimball | 49 min |
| Jun 9, 4:37 PM MDT | Severe Thunderstorm Warning | CYS | Banner | 43 min |
| Jun 9, 5:03 PM MDT | Tornado Warning | CYS | Banner, Cheyenne, Kimball | 17 min |
| Jun 9, 5:23 PM MDT | Severe Thunderstorm Warning | CYS | Cheyenne, Morrill | 47 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.