Alert archive / Nebraska / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 81, NWS Cheyenne, WY
NWS Cheyenne, WY issued this severe thunderstorm warning at Jun 24, 1998, 3:54 PM MDT for Dawes County, Nebraska. It was in force for 46 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
- Jun 24, 1998, 3:54 PM MDT (21:54 UTC)
- Expired
- Jun 24, 1998, 4:40 PM MDT
- In force
- 46 min
- Issued by
- NWS Cheyenne, WY
- Area
- Whole counties
County Dawes County, NE
The radar
The Rapid City radar (KUDX), 158 km from the middle of the area, began a volume at 21:49 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 24, 3:56 PM MDT | Hail 1.5 | Crawford, NE | A storm produced walnut size hail in Crawford. |
| Jun 24, 4:45 PM MDT | Hail 1.66 | Chadron, NE | A strom produced ping pong ball size hail 10 miles southwest of Chadron. |
| Jun 24, 4:50 PM MDT | Hail 1 | Chadron, NE | A storm produced quarter size hail 9 miles south of Chadron. |
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 24, 3:00 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Rapid City, SD (KUNR), launched 12:00Z, 9.9 hours before the alert went out and 152 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
- 340 J/kg
- Mixed-layer CIN
- -331 J/kg
- Mixed-layer LCL
- 1992 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 17 m²/s²
- 0-3 km storm-relative helicity
- 61 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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 24, 10:05 AM MDT, 5 hours 49 minutes before
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</html>Special weather statement, Jun 24, 3:00 PM MDT, 54 minutes before
NEZ001>003-019>021-054-055-250000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 300 PM MDT WED JUN 24 1998 ...A SEVERE THUNDERSTORM WATCH FOR THE WESTERN NEBRASKA PANHANDLE UNTIL 9PM MDT... A SEVERE THUNDERSTROM WATCH HAS BEEN ISSUED FOR PORTIONS OF WESTERN NEBRAKSA TO INCLUDE THE EIGHT COUNTIES OF THE NEBRASKA PANHANLE UNTIL 9PM MDT. CITIES IN THE WATCH AREA OF THE NEBRASKA PANHANDLE WILL INCLUDE SCOTTSBLUFF...SIDNEY...KIMBALL...CHADRON...ALLIANCE AND BRIDGEPORT. AN UPPER LEVEL DISTURBANCE IS EXPECTED TO GENERATE LATE DAY THUNDERSTORMS OVER WESTERN NEBRASKA. THESE THUNDERSTORMS COULD PRODUCE INTENSE LIGHTNING...LARGE HAIL AND STRONG GUSTY WINDS. PEOPLE IN THE WESTERN NEBRASKA PANHANDLE SHOULD BE ALERT FOR THUNDERSTORM DEVELOPMENT AND BE PREPARED TO MOVE TO A PLACE OF SAFETY SHOULD THREATENING CONDITIONS DEVELOP. BE SURE TO REPORT HAZARDOUS WEATHER TO THE NWS OR TO LOCAL EMERGENCY MANAGEMENT OFFICALS. WTP
Special weather statement, Jun 24, 3:00 PM MDT, 54 minutes before
NEZ001>003-019>021-054-055-250000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 300 PM MDT WED JUN 24 1998 ...A SEVERE THUNDERSTORM WATCH FOR THE WESTERN NEBRASKA PANHANDLE UNTIL 9PM MDT... A SEVERE THUNDERSTROM WATCH HAS BEEN ISSUED FOR PORTIONS OF WESTERN NEBRAKSA TO INCLUDE THE EIGHT COUNTIES OF THE NEBRASKA PANHANLE UNTIL 9PM MDT. CITIES IN THE WATCH AREA OF THE NEBRASKA PANHANDLE WILL INCLUDE SCOTTSBLUFF...SIDNEY...KIMBALL...CHADRON...ALLIANCE AND BRIDGEPORT. AN UPPER LEVEL DISTURBANCE IS EXPECTED TO GENERATE LATE DAY THUNDERSTORMS OVER WESTERN NEBRASKA. THESE THUNDERSTORMS COULD PRODUCE INTENSE LIGHTNING...LARGE HAIL AND STRONG GUSTY WINDS. PEOPLE IN THE WESTERN NEBRASKA PANHANDLE SHOULD BE ALERT FOR THUNDERSTORM DEVELOPMENT AND BE PREPARED TO MOVE TO A PLACE OF SAFETY SHOULD THREATENING CONDITIONS DEVELOP. BE SURE TO REPORT HAZARDOUS WEATHER TO THE NWS OR TO LOCAL EMERGENCY MANAGEMENT OFFICALS. WTP
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 23, 6:02 PM MDT | Severe Thunderstorm Warning | CYS | Box Butte | 33 min |
| Jun 24, 4:36 PM MDT | Severe Thunderstorm Warning | CYS | Dawes | 44 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.