Alert archive / North Dakota / Tornado Warnings in 1997
Tornado Warning 7, NWS Bismarck, ND
NWS Bismarck, ND issued this tornado warning at Jul 10, 1997, 7:41 PM MDT for Mercer County, North Dakota. It was in force for 34 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 10, 1997, 7:41 PM MDT (01:41 UTC)
- Expired
- Jul 10, 1997, 8:15 PM MDT
- In force
- 34 min
- Issued by
- NWS Bismarck, ND
- Area
- Whole counties
County Mercer County, ND
The radar
The Bismarck radar (KBIS), 101 km from the middle of the area, began a volume at 01:42 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.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 10, 6:45 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Bismarck Municip, ND (KBIS), launched 00:00Z, 1.7 hours before the alert went out and 105 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
- 4434 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 1269 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 52 m²/s²
- 0-3 km storm-relative helicity
- 176 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 110141 RRA TORBIS NDC057-110215- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE BISMARCK ND 841 PM CDT (741 PM MDT) THU JUL 10 1997 THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 915 PM CDT (815 PM MDT) FOR PEOPLE IN THE FOLLOWING LOCATION... IN CENTRAL NORTH DAKOTA ...MERCER COUNTY AT 838 PM CDT (738 MDT) RADAR INDICATED A TORNADIC THUNDERSTORM 62 MILES NORTHWEST OF BISMARCK BETWEEN THE TOWNS OF GOLDEN VALLEY AND ZAP. THERE WAS ALSO A REPORT OF A FUNNEL WITHIN 100 FEET OF THE GROUND ASSOCIATED WITH THIS STORM. PERSONS IN THE TOWNS OF ZAP AND BEULAH SHOULD TAKE COVER NOW. IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS A BASEMENT. GET UNDER A WORKBENCH OR PIECE OF STURDY FURNITURE. IF NO BASEMENT IS AVAILABLE...SEEK SHELTER IN AN INTERIOR ROOM SUCH AS A CLOSET ON THE LOWEST FLOOR. USE BLANKETS...PILLOWS... OR CUSHIONS TO COVER YOUR BODY. AVOID WINDOWS. HINTZ
The office that day
Everything else NWS Bismarck, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 10, 6:11 PM MDT | Severe Thunderstorm Warning | BIS | Dunn | 64 min |
| Jul 10, 6:45 PM MDT | Severe Thunderstorm Warning | BIS | Burke, Mountrail | 60 min |
| Jul 10, 7:00 PM MDT | Severe Thunderstorm Warning | BIS | McLean, Mercer | 60 min |
| Jul 10, 7:25 PM MDT | Severe Thunderstorm Warning | BIS | Grant, Sioux | 65 min |
| Jul 10, 7:51 PM MDT | Severe Thunderstorm Warning | BIS | Morton | 54 min |
| Jul 10, 7:52 PM MDT | Severe Thunderstorm Warning | BIS | Mountrail, Ward | 68 min |
| Jul 10, 8:09 PM MDT | Severe Thunderstorm Warning | BIS | Bottineau, Renville | 66 min |
| Jul 10, 8:15 PM MDT | Tornado Warning | BIS | Ward | 30 min |
| Jul 10, 8:25 PM MDT | Severe Thunderstorm Warning | BIS | Burleigh, Morton | 65 min |
| Jul 10, 8:49 PM MDT | Severe Thunderstorm Warning | BIS | Bottineau, McHenry | 56 min |
| Jul 10, 8:51 PM MDT | Severe Thunderstorm Warning | BIS | McLean, Mercer | 69 min |
| Jul 10, 8:57 PM MDT | Tornado Warning | BIS | McHenry | 33 min |
| Jul 10, 9:10 PM MDT | Severe Thunderstorm Warning | BIS | Sioux | 50 min |
| Jul 10, 9:50 PM MDT | Severe Thunderstorm Warning | BIS | McHenry, Pierce | 40 min |
| Jul 10, 9:50 PM MDT | Severe Thunderstorm Warning | BIS | Emmons | 40 min |
| Jul 10, 10:29 PM MDT | Severe Thunderstorm Warning | BIS | Pierce, Rolette | 46 min |
| Jul 10, 11:01 PM MDT | Severe Thunderstorm Warning | BIS | Stutsman | 44 min |
| Jul 11, 3:31 PM MDT | Severe Thunderstorm Warning | BIS | Renville, Ward | 44 min |
| Jul 11, 3:54 PM MDT | Severe Thunderstorm Warning | BIS | Burke | 66 min |
| Jul 11, 5:23 PM MDT | Severe Thunderstorm Warning | BIS | McLean, Oliver | 67 min |
Nearby
Tornado Warnings in North Dakota, 1997Every tornado warning in 1997Tornadoes in 1997
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.