Alert archive / Nebraska / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 9, NWS Cheyenne, WY
NWS Cheyenne, WY issued this severe thunderstorm warning at Mar 28, 1998, 4:50 PM MST for Cheyenne County, Nebraska. It was in force for 40 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
- Mar 28, 1998, 4:50 PM MST (23:50 UTC)
- Expired
- Mar 28, 1998, 5:30 PM MST
- In force
- 40 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 23:54 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 |
|---|---|---|---|
| Mar 28, 5:02 PM MST | Hail 1.75 | Lodgepole, NE | Golf ball size hail fell 8 miles north of Lodgepole. |
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, 11.8 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1602 m above ground
- 0-6 km bulk shear
- 67 kt
- 0-1 km storm-relative helicity
- 91 m²/s²
- 0-3 km storm-relative helicity
- 164 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
168 WUUS1 KCYS 282354 RRA SVRCYS NEC033-290030- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE CHEYENNE WY 450 PM MST SAT MAR 28 1998 THE NATIONAL WEATHER SERVICE IN CHEYENNE WYOMING HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR NORTHEAST CHEYENNE COUNTY IN THE NEBRASKA PANHANDLE * UNTIL 530 PM MST * AT 450 PM A SEVERE THUNDERSTORM WAS INDICATED BY RADAR 15 MILES NORTHEAST OF SIDNEY MOVING NORTHEAST AT 15 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... ONLY RURAL AREAS DURING THIS TIME PERIOD THIS WARNING EXTENDS THE PREVIOUS WARNING SET TO EXPIRE AT 500 PM. LARGE HAIL HAS BEEN REPORTED WITH THIS STORM. SEEK SHELTER INSIDE A STURDY BUILDING AWAY FROM ALL WINDOWS UNTIL THE STORM PASSES. SULLIVAN
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 28, 3:00 PM MST | Severe Thunderstorm Warning | CYS | Cheyenne | 40 min |
| Mar 28, 3:10 PM MST | Severe Thunderstorm Warning | CYS | Sioux | 50 min |
| Mar 28, 3:50 PM MST | Severe Thunderstorm Warning | CYS | Cheyenne | 45 min |
| Mar 28, 3:55 PM MST | Severe Thunderstorm Warning | CYS | Scotts Bluff | 45 min |
| Mar 28, 4:00 PM MST | Severe Thunderstorm Warning | CYS | Sioux | 60 min |
| Mar 28, 4:30 PM MST | Severe Thunderstorm Warning | CYS | Cheyenne | 30 min |
| Mar 28, 4:40 PM MST | Severe Thunderstorm Warning | CYS | Scotts Bluff | 45 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.