Alert archive / North Dakota / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 55, NWS Bismarck, ND
NWS Bismarck, ND issued this severe thunderstorm warning at Jul 6, 1998, 5:30 PM CDT for Burleigh County, North Dakota. It was in force for 45 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
- Jul 6, 1998, 5:30 PM CDT (22:30 UTC)
- Expired
- Jul 6, 1998, 6:15 PM CDT
- In force
- 45 min
- Issued by
- NWS Bismarck, ND
- Area
- Whole counties
County Burleigh County, ND
The radar
The Bismarck radar (KBIS), 32 km from the middle of the area, began a volume at 22:32 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 |
|---|---|---|---|
| Jul 6, 5:30 PM CDT | Hail 1 | Bismarck, ND |
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 12:00Z, 10.5 hours before the alert went out and 29 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
- 16 J/kg
- Mixed-layer CIN
- -306 J/kg
- Mixed-layer LCL
- 1386 m above ground
- 0-6 km bulk shear
- 66 kt
- 0-1 km storm-relative helicity
- -146 m²/s²
- 0-3 km storm-relative helicity
- 34 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
As transmitted, in the capitals the NWS used until 2016.
552 WUUS1 KBIS 062231 RRA SVRBIS NDC015-062315- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BISMARCK ND 530 PM CDT MON JUL 6 1998 THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... BURLEIGH COUNTY IN CENTRAL NORTH DAKOTA * UNTIL 615 PM CDT * AT 528 PM CDT...SPOTTERS INDICATED A SEVERE THUNDERSTORM WITH LARGE HAIL OVER BISMARCK... MOVING EAST AT 25 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... MENOKEN AT 540 PM CDT STERLING AT 550 PM CDT DAMAGING WINDS AND LARGE HAIL ARE LIKELY. GO INSIDE A STURDY BUILDING AND STAY AWAY FROM WINDOWS LM &
The office that day
Everything else NWS Bismarck, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 5, 7:57 PM CDT | Severe Thunderstorm Warning | BIS | Burke | 48 min |
| Jul 5, 8:16 PM CDT | Tornado Warning | BIS | Burke | 34 min |
| Jul 5, 8:36 PM CDT | Severe Thunderstorm Warning | BIS | Ward | 44 min |
| Jul 5, 9:03 PM CDT | Severe Thunderstorm Warning | BIS | Mountrail | 47 min |
| Jul 5, 9:52 PM CDT | Severe Thunderstorm Warning | BIS | Divide, Williams | 58 min |
| Jul 5, 10:47 PM CDT | Severe Thunderstorm Warning | BIS | Mountrail | 58 min |
| Jul 5, 10:47 PM CDT | Tornado Warning | BIS | Williams | 28 min |
| Jul 5, 11:44 PM CDT | Severe Thunderstorm Warning | BIS | Mountrail | 46 min |
| Jul 6, 12:39 AM CDT | Severe Thunderstorm Warning | BIS | Mountrail, Ward | 61 min |
| Jul 6, 3:31 PM CDT | Severe Thunderstorm Warning | BIS | McKenzie | 64 min |
| Jul 6, 4:01 PM CDT | Severe Thunderstorm Warning | BIS | Ward | 64 min |
| Jul 6, 4:51 PM CDT | Tornado Warning | BIS | Ward | 49 min |
| Jul 6, 5:23 PM CDT | Severe Thunderstorm Warning | BIS | Emmons | 47 min |
| Jul 6, 5:45 PM CDT | Severe Thunderstorm Warning | BIS | McLean | 45 min |
| Jul 6, 6:00 PM CDT | Severe Thunderstorm Warning | BIS | McKenzie | 60 min |
| Jul 6, 6:03 PM CDT | Severe Thunderstorm Warning | BIS | Renville | 32 min |
| Jul 6, 6:04 PM CDT | Severe Thunderstorm Warning | BIS | McIntosh | 31 min |
| Jul 6, 6:20 PM CDT | Severe Thunderstorm Warning | BIS | Burleigh, Kidder | 50 min |
| Jul 6, 6:22 PM CDT | Severe Thunderstorm Warning | BIS | McLean | 63 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.