Alert archive / North Dakota / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 36, NWS Bismarck, ND
NWS Bismarck, ND issued this severe thunderstorm warning at Jun 26, 1998, 12:38 AM MDT for Billings County, North Dakota. It was in force for 62 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 26, 1998, 12:38 AM MDT (06:38 UTC)
- Expired
- Jun 26, 1998, 1:40 AM MDT
- In force
- 62 min
- Issued by
- NWS Bismarck, ND
- Area
- Whole counties
County Billings County, ND
The radar
The Bismarck radar (KBIS), 201 km from the middle of the area, began a volume at 06:41 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 26, 12:53 AM MDT | Hail 0.75 | Medora, ND | Deputy reported ground was 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, 6.6 hours before the alert went out and 205 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
- 40 J/kg
- Mixed-layer CIN
- -43 J/kg
- Mixed-layer LCL
- 2208 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- -4 m²/s²
- 0-3 km storm-relative helicity
- 35 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KBIS 260637 RRA SVRBIS NDC007-260740- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BISMARCK ND 138 AM CDT (1238 AM MDT) FRI JUN 26 1998 THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... BILLINGS COUNTY IN WEST CENTRAL NORTH DAKOTA * UNTIL 140 AM MDT (240 AM CDT) * AT 1235 AM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 35 MILES WEST OF DICKINSON OR 5 MILES SOUTHWEST OF MEDORA.... MOVING NORTHEAST AT 25 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... MEDORA AT 1245 AM MDT SOUTH UNIT OF THEODORE ROOSEVELT NATIONAL PARK AT 1250 AM MDT DAMAGING WINDS AND LARGE HAIL ARE LIKELY. GO INSIDE A STURDY BUILDING AND STAY AWAY FROM WINDOWS! TWH
The office that day
Everything else NWS Bismarck, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 26, 2:59 AM MDT | Severe Thunderstorm Warning | BIS | Mercer | 31 min |
| Jun 26, 12:13 PM MDT | Severe Thunderstorm Warning | BIS | McIntosh | 32 min |
| Jun 26, 2:03 PM MDT | Tornado Warning | BIS | Dickey | 32 min |
| Jun 26, 4:36 PM MDT | Tornado Warning | BIS | Burke | 34 min |
| Jun 26, 5:30 PM MDT | Severe Thunderstorm Warning | BIS | Bottineau | 35 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.