Alert archive / Nebraska / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 86, NWS Cheyenne, WY
NWS Cheyenne, WY issued this severe thunderstorm warning at Jul 1, 1998, 12:33 AM MDT for Cheyenne County, Nebraska. It was in force for 47 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 1, 1998, 12:33 AM MDT (06:33 UTC)
- Expired
- Jul 1, 1998, 1:20 AM MDT
- In force
- 47 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 06:33 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.
The nearest sounding before it
Denver, CO (KDNR), launched 00:00Z, 6.6 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
- 442 J/kg
- Mixed-layer CIN
- -126 J/kg
- Mixed-layer LCL
- 2139 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 10 m²/s²
- 0-3 km storm-relative helicity
- -24 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
761 WUUS1 KCYS 010634 SVRCYS NEC033-010720- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE CHEYENNE WY 1233 AM MDT WED JUL 1 1998 THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHWESTERN CHEYENNE COUNTY IN THE NEBRASKA PANHANDLE * UNTIL 120 AM MDT * AT AT 1228 AM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 25 MILES NORTHWEST OF SIDNEY... MOVING EAST AT 35 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... DALTON BY 1 AM GURLEY BY 1 AM THIS STORM IS LIKELY TO PRODUCE STRONG GUSTY WINDS UP TO 70 MPH STAY INDOORS AWAY FROM WINDOWS. LRE
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Jun 30, 9:24 PM MDT, 3 hours 9 minutes before
WYZ065-066-010400- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 924 PM MDT TUE JUN 30 1998 ...A STRONG THUNDERSTORM WAS MOVING THROUGH EAST CENTRAL ALBANY COUNTY AT 920 PM... THE STORM WAS LOCATED ABOUT 15 MILES NORTH OF LARAMIE...OR JUST EAST OF BOSLER. IT WAS MOVING SOUTHEAST AT 25 MPH AND WILL STAY EAST OF HIGHWAY 30 AND MISS LARAMIE. THIS STORM WAS LIKELY PRODUCING HEAVY RAIN AND SMALL HAIL...ALONG WITH GUSTY WINDS TO &50 MPH. PEOPLE IN EAST CENTRAL ALBANY COUNTY SHOULD REMAIN INDOORS UNTIL THIS STORM PASSES ON BY. WCJIN-WYSE JAD
Special weather statement, Jun 30, 9:24 PM MDT, 3 hours 9 minutes before
WYZ065-066-010400- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 924 PM MDT TUE JUN 30 1998 ...A STRONG THUNDERSTORM WAS MOVING THROUGH EAST CENTRAL ALBANY COUNTY AT 920 PM... THE STORM WAS LOCATED ABOUT 15 MILES NORTH OF LARAMIE...OR JUST EAST OF BOSLER. IT WAS MOVING SOUTHEAST AT 25 MPH AND WILL STAY EAST OF HIGHWAY 30 AND MISS LARAMIE. THIS STORM WAS LIKELY PRODUCING HEAVY RAIN AND SMALL HAIL...ALONG WITH GUSTY WINDS TO &50 MPH. PEOPLE IN EAST CENTRAL ALBANY COUNTY SHOULD REMAIN INDOORS UNTIL THIS STORM PASSES ON BY. WCJIN-WYSE JAD
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 30, 11:45 PM MDT | Severe Thunderstorm Warning | CYS | Kimball | 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.