Alert archive / North Dakota / Tornado Warnings in 1996
Tornado Warning 21, NWS Bismarck, ND
NWS Bismarck, ND issued this tornado warning at Sep 4, 1996, 7:45 PM MDT for Dunn County, Mountrail County, North Dakota. It was in force for 60 min. 2 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
- Sep 4, 1996, 7:45 PM MDT (01:45 UTC)
- Expired
- Sep 4, 1996, 8:45 PM MDT
- In force
- 60 min
- Issued by
- NWS Bismarck, ND
- Area
- Whole counties
Counties Dunn County, ND, Mountrail County, ND
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Sep 4, 7:48 PM MDT | Hail 2.5 | New Town, ND | |
| Sep 4, 7:50 PM MDT | Tornado F0 | New Town, 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 00:00Z, 1.8 hours before the alert went out and 175 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
- 2037 J/kg
- Mixed-layer CIN
- -91 J/kg
- Mixed-layer LCL
- 1838 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 58 m²/s²
- 0-3 km storm-relative helicity
- 338 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 8.5
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KISN 050145 TORISN NDC061-025-050245- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE WILLISTON ND 845 PM CDT (745 PM MDT) WED SEP 4 1996 THE NATIONAL WEATHER SERVICE IN WILLISTON HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 945 PM CDT (845 PM MDT) FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN NORTHWEST NORTH DAKOTA ...SOUTHERN MOUNTRAIL COUNTY IN WEST CENTRAL NORTH DAKOTA ...NORTHERN DUNN COUNTY AT 840 PM CDT... RADAR INDICATED A SEVERE THUNDERSTORM WITH A TORNADO TOUCHDOWN IN NORTHEAST MCKENZIE COUNTY. THE THUNDERSTORM THAT PRODUCED THIS TORNADO IS MOVING EAST TO SOUTHEAST AT 20 MPH AND LOCATED 40 MILES SOUTHEAST OF WILLISTON. TOWNS IN THE PATH OF STORM INCLUDE: NEW TOWN AND SADDLE BUTTE. IF YOU ARE IN THE PATH OF THIS STORM...TAKE COVER IMMEDIATELY! DO NOT USE YOUR CAR TO TRY TO OUTRUN A TORNADO. CARS ARE EASILY TOSSED AROUND BY TORNADO WINDS. IF YOU ARE CAUGHT IN THE PATH OF A TORNADO...LE6AVE THE CAR AND GO TO A STRONG BUILDING. IF NO STRUCTURE IS NEARBY...SEEK SHELTER IN A DITCH OR LOW SPOT. CARICO &
The office that day
Everything else NWS Bismarck, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 4, 6:05 PM MDT | Severe Thunderstorm Warning | BIS | McKenzie | 55 min |
| Sep 4, 6:14 PM MDT | Severe Thunderstorm Warning | BIS | McKenzie | 46 min |
| Sep 4, 6:40 PM MDT | Severe Thunderstorm Warning | BIS | McKenzie | 65 min |
| Sep 4, 7:07 PM MDT | Severe Thunderstorm Warning | BIS | Billings, Golden Valley | 68 min |
| Sep 4, 7:19 PM MDT | Tornado Warning | BIS | McKenzie | 26 min |
| Sep 4, 7:59 PM MDT | Severe Thunderstorm Warning | BIS | McKenzie | 61 min |
| Sep 4, 8:06 PM MDT | Tornado Warning | BIS | McLean, Mercer | 69 min |
| Sep 4, 8:21 PM MDT | Severe Thunderstorm Warning | BIS | Dunn | 69 min |
| Sep 4, 8:40 PM MDT | Severe Thunderstorm Warning | BIS | McKenzie | 65 min |
| Sep 4, 9:00 PM MDT | Severe Thunderstorm Warning | BIS | Mountrail | 60 min |
| Sep 4, 9:02 PM MDT | Severe Thunderstorm Warning | BIS | McHenry | 58 min |
| Sep 4, 9:32 PM MDT | Severe Thunderstorm Warning | BIS | Ward | 58 min |
| Sep 4, 9:58 PM MDT | Severe Thunderstorm Warning | BIS | McKenzie | 62 min |
| Sep 4, 10:19 PM MDT | Severe Thunderstorm Warning | BIS | Williams | 56 min |
| Sep 4, 10:33 PM MDT | Severe Thunderstorm Warning | BIS | Ward | 42 min |
| Sep 4, 11:18 PM MDT | Severe Thunderstorm Warning | BIS | McHenry, Pierce | 57 min |
| Sep 4, 11:50 PM MDT | Severe Thunderstorm Warning | BIS | Williams | 55 min |
| Sep 5, 12:30 AM MDT | Severe Thunderstorm Warning | BIS | Burke | 60 min |
Nearby
Tornado Warnings in North Dakota, 1996Every tornado warning in 1996Tornadoes in 1996
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.