Alert archive / Nebraska / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 10, NWS Cheyenne, WY
NWS Cheyenne, WY issued this severe thunderstorm warning at May 24, 1997, 7:22 PM MDT for Kimball County, Nebraska. It was in force for 48 min. 3 reports 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
- May 24, 1997, 7:22 PM MDT (01:22 UTC)
- Expired
- May 24, 1997, 8:10 PM MDT
- In force
- 48 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 01:22 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 |
|---|---|---|---|
| May 24, 7:40 PM MDT | Tornado F0 | Kimball, NE | A weak tornado touched down briefly over open rangeland. |
| May 24, 7:45 PM MDT | Hail 1.5 | Kimball, NE | Ping Pong ball sized hail fell in southwest Kimball County. |
| May 24, 8:15 PM MDT | Hail 1.5 | Kimball, NE | A second storm dumped Ping Pong ball sized hail and very heavy rain within 2 miles of the location that received 1.5 inch hail an hour earlier. |
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 00:00Z, 1.4 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
- 72 J/kg
- Mixed-layer CIN
- -79 J/kg
- Mixed-layer LCL
- 2164 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 181 m²/s²
- 0-3 km storm-relative helicity
- 211 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.0
The text
As transmitted, in the capitals the NWS used until 2016.
823 WUUS1 KCYS 250123 RRA SVRCYS NEC105-250210- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE CHEYENNE WY 722 PM MDT SAT MAY 24 1997 * SEVERE THUNDERSTORM WARNING FOR WESTERN KIMBALL COUNTY IN WESTERN NEBRASKA PANHANDLE * UNTIL 810 PM MDT * SOME LOCATIONS AFFECTED BUSHNELL BY 758 PM MDT OLIVER RESERVOIR BY 801 PM MDT * AT 720 PM MDT...A SEVERE THUNDERSTORM WAS INDICATED BY DOPPLER RADAR 15 MILES SOUTHWEST OF KIMBALL OR 12 MILES SOUTH OF LODGEPOLE WAYSIDE PARK MOVING NORTH AT 20 MPH. THIS IS A DANGEROUS STORM. DO NOT GO OUTDOORS. DMM
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 24, 7:10 PM MDT | Flash Flood Warning | CYS | Boyd | 4 hr |
| May 24, 7:37 PM MDT | Tornado Warning | CYS | Banner, Kimball | 33 min |
| May 24, 7:43 PM MDT | Tornado Warning | CYS | Banner, Kimball | 27 min |
| May 24, 8:21 PM MDT | Severe Thunderstorm Warning | CYS | Kimball | 49 min |
| May 24, 9:09 PM MDT | Flash Flood Warning | CYS | Banner, Scotts Bluff | 111 min |
| May 24, 11:00 PM MDT | Flash Flood Warning | CYS | Kimball | 4 hr |
Nearby
Severe Thunderstorm Warnings in Nebraska, 1997Every severe thunderstorm warning 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.