Alert archive / Nebraska / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 99, NWS Cheyenne, WY
NWS Cheyenne, WY issued this severe thunderstorm warning at Jul 2, 1998, 8:17 PM MDT for Kimball County, Nebraska. It was in force for 43 min. 2 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
- Jul 2, 1998, 8:17 PM MDT (02:17 UTC)
- Expired
- Jul 2, 1998, 9:00 PM MDT
- In force
- 43 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 02:17 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 |
|---|---|---|---|
| Jul 2, 8:18 PM MDT | Thunderstorm Wind 52 | Kimball, NE | A wind gust of 60 mph occurred in a thunderstorm that moved through the town of Kimball. |
| Jul 2, 8:38 PM MDT | Thunderstorm Wind 69 | Dix, NE | A storm produced a wind gust of 80 mph 9 miles north of Dix, which damaged a roof of a home. |
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, 2.3 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
- 881 J/kg
- Mixed-layer CIN
- -31 J/kg
- Mixed-layer LCL
- 2918 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- 18 m²/s²
- 0-3 km storm-relative helicity
- 8 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
265 WUUS1 KCYS 030218 RRA SVRCYS NEC105-030300- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE CHEYENNE WY 817 PM MDT THU JUL 2 1998 THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... KIMBALL COUNTY IN THE NEBRASKA PANHANDLE * UNTIL 900 PM MDT * AT 815 PM MDT...SPOTTERS INDICATED A SEVERE THUNDERSTORM IN KIMBALL...MOVING EAST AT 10 MPH. THIS STORM WAS PRODUCING WIND GUSTS TO 60 MPH IN KIMBALL. * THE SEVERE THUNDERSTORM WILL BE NEAR... KIMBALL THROUGH 830 PM THIS STORM HAS A HISTORY OF DAMAGING WIND. GO INSIDE A STURDY BUILDING AND STAY AWAY FROM WINDOWS & DMM
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 2, 7:32 PM MDT | Severe Thunderstorm Warning | CYS | Scotts Bluff | 53 min |
| Jul 2, 8:24 PM MDT | Severe Thunderstorm Warning | CYS | Scotts Bluff | 46 min |
| Jul 2, 8:32 PM MDT | Severe Thunderstorm Warning | CYS | Cheyenne | 48 min |
| Jul 2, 9:00 PM MDT | Severe Thunderstorm Warning | CYS | Morrill | 45 min |
| Jul 2, 9:21 PM MDT | Severe Thunderstorm Warning | CYS | Cheyenne | 49 min |
| Jul 2, 9:33 PM MDT | Tornado Warning | CYS | Morrill | 27 min |
| Jul 2, 9:43 PM MDT | Severe Thunderstorm Warning | CYS | Morrill | 47 min |
| Jul 2, 10:31 PM MDT | Severe Thunderstorm Warning | CYS | Dawes | 44 min |
| Jul 2, 11:12 PM MDT | Severe Thunderstorm Warning | CYS | Dawes | |
| Jul 2, 11:44 PM MDT | Severe Thunderstorm Warning | CYS | Dawes | 51 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.