Alert archive / North Dakota / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 35, NWS Bismarck, ND
NWS Bismarck, ND issued this severe thunderstorm warning at Jun 24, 1998, 9:43 PM CDT for McIntosh County, North Dakota. It was in force for 32 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
- Jun 24, 1998, 9:43 PM CDT (02:43 UTC)
- Expired
- Jun 24, 1998, 10:15 PM CDT
- In force
- 32 min
- Issued by
- NWS Bismarck, ND
- Area
- Whole counties
County McIntosh County, ND
The radar
The Aberdeen radar (KABR), 108 km from the middle of the area, began a volume at 02:42 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, 10:05 PM CDT | Hail 1.25 | Ashley, ND | Locations is also 12 west of Forbes (Dickey county), person reported ground white with hail. |
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
Bismarck Municip, ND (KBIS), launched 00:00Z, 2.7 hours before the alert went out and 121 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
- 956 J/kg
- Mixed-layer CIN
- -45 J/kg
- Mixed-layer LCL
- 2014 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- -52 m²/s²
- 0-3 km storm-relative helicity
- 58 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KBIS 250243 RRA SVRBIS NDC051-250315- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BISMARCK ND 943 PM CDT WED JUN 24 1998 THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHEASTERN MCINTOSH COUNTY IN SOUTH CENTRAL NORTH DAKOTA * UNTIL 1015 PM CDT * AT 935 PM CDT...AREA LAW ENFORCEMENT INDICATED A SEVERE THUNDERSTORM 8 MILES EAST OF ASHLEY ON HIGHWAY 11... MOVING EAST AT 5 MPH. THE SEVERE THUNDERSTORM WILL REMAIN IN RURAL AREAS OF SOUTHEAST MCINTOSH COUNTY. AT 915 PM CDT GOLF BALL SIZE HAIL WAS REPORTED 5 MILES EAST OF ASHLEY. FLOODING OF LOW LYING AREAS AND ROADS CAN BE EXPECTED FROM THIS SLOW MOVING THUNDERSTORM. LARGE HAIL IS LIKELY. GO INSIDE A STURDY BUILDING AND STAY AWAY FROM WINDOWS! RVE &
The office that day
Everything else NWS Bismarck, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 24, 7:17 PM CDT | Tornado Warning | BIS | McIntosh | 28 min |
| Jun 24, 7:46 PM CDT | Tornado Warning | BIS | McIntosh | 29 min |
| Jun 24, 8:20 PM CDT | Severe Thunderstorm Warning | BIS | McIntosh | 40 min |
| Jun 24, 9:06 PM CDT | Severe Thunderstorm Warning | BIS | McIntosh | 24 min |
Nearby
Severe Thunderstorm Warnings in North Dakota, 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.