Alert archive / Nebraska / Tornado Warnings in 1997
Tornado Warning 11, NWS Cheyenne, WY
NWS Cheyenne, WY issued this tornado warning at Jun 14, 1997, 6:33 PM MDT for Cheyenne County, Nebraska. It was in force for 32 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 14, 1997, 6:33 PM MDT (00:33 UTC)
- Expired
- Jun 14, 1997, 7:05 PM MDT
- In force
- 32 min
- Issued by
- NWS Cheyenne, WY
- Area
- Whole counties
County Cheyenne County, NE
The radar
The Cheyenne radar (KCYS), 152 km from the middle of the area, began a volume at 00:34 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 14, 7:00 PM MDT | Tornado F1 | Potter, NE | Power poles downed, treetops snapped. |
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 14, 4:00 PM MDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Denver, CO (KDNR), launched 00:00Z, 0.6 hours before the alert went out and 151 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
- 70 J/kg
- Mixed-layer CIN
- -106 J/kg
- Mixed-layer LCL
- 2413 m above ground
- 0-6 km bulk shear
- 3 kt
- 0-1 km storm-relative helicity
- -71 m²/s²
- 0-3 km storm-relative helicity
- -39 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 150035 RRA TORCYS NEC033-150105- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE CHEYENNE WY 633 PM MDT SAT JUN 14 1997 * TORNADO WARNING FOR CHEYENNE COUNTY IN WESTERN NEBRASKA PANHANDLE * UNTIL 705 PM MDT * SOME AFFECTED LOCATIONS INCLUDE POTTER BY 640 PM SIDNEY BY 650 PM * AT 630 PM A LINE OF SEVERE THUNDERSTORMS WAS LOCATED OVER EASTERN KIMBALL COUNTY. THIS LINE OF SEVERE STORMS WAS MOVING EAST AT 25 MPH. CHEYENNE DOPPLER RADAR CONTINUES TO INDICATE POSSIBLE TORNADOES WITHIN THE LINE OF SEVERE STORMS. IN ADDITION...VERY HEAVY RAIN... HAIL AND BRIEF WIND GUSTS TO 50 MPH ARE LIKELY. IN ADDITION...A TORNADO WATCH REMAINS IN EFFECT FOR THE AREA UNTIL 1000 PM. SEEK SHELTER IN AN INTERIOR ROOM SUCH AS A BATHROOM OR SMALL CLOSET ON THE LOWEST FLOOR OF YOUR HOUSE AND COVER YOUR HEAD. WEILAND
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 14, 6:17 PM MDT | Tornado Warning | CYS | Banner, Kimball | 33 min |
| Jun 14, 6:50 PM MDT | Tornado Warning | CYS | Kimball | 15 min |
Nearby
Tornado Warnings in Nebraska, 1997Every tornado warning in 1997Tornadoes in 1997
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.