Alert archive / North Dakota / Tornado Warnings in 1996
Tornado Warning 7, NWS Bismarck, ND
NWS Bismarck, ND issued this tornado warning at Jun 28, 1996, 9:48 PM CDT for Sioux County, North Dakota. It was in force for 42 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 28, 1996, 9:48 PM CDT (02:48 UTC)
- Expired
- Jun 28, 1996, 10:30 PM CDT
- In force
- 42 min
- Issued by
- NWS Bismarck, ND
- Area
- Whole counties
County Sioux County, ND
The radar
The Bismarck radar (KBIS), 76 km from the middle of the area, began a volume at 02:47 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 28, 10:01 PM CDT | Tornado F0 | Ft Yates, 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, 2.8 hours before the alert went out and 78 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
- 1931 J/kg
- Mixed-layer CIN
- -10 J/kg
- Mixed-layer LCL
- 1504 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 4 m²/s²
- 0-3 km storm-relative helicity
- 81 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.7
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KBIS 290249 TORBIS NDC085-290330- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE BISMARCK ND 948 PM CDT (848 PM MDT) FRI JUN 28 1996 THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 1030 PM CDT (930 PM MDT) FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTH CENTRAL NORTH DAKOTA ...EAST CENTRAL SIOUX COUNTY AT 945 PM CDT DOPPLER WEATHER RADAR INDICATED A POSSIBLE TORNADO FORMING 10 MILES WEST OF FORT YATES...OR 45 MILES SOUTH OF BISMARCK. THE STORM WAS MOVING EAST AT 40 MPH. FORT YATES LIES NEAR THE PATH OF THIS POSSIBLE TORNADO. IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS A BASEMENT. GET UNDER A WORKBENCH OR PI ECE 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. LEBLANG
The office that day
Everything else NWS Bismarck, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 28, 7:04 PM CDT | Severe Thunderstorm Warning | BIS | Pierce, Rolette | 56 min |
| Jun 28, 8:02 PM CDT | Severe Thunderstorm Warning | BIS | Pierce | 28 min |
| Jun 28, 8:42 PM CDT | Severe Thunderstorm Warning | BIS | Kidder, Stutsman | 63 min |
| Jun 28, 9:09 PM CDT | Severe Thunderstorm Warning | BIS | Sioux | 66 min |
| Jun 28, 9:55 PM CDT | Severe Thunderstorm Warning | BIS | Foster | 35 min |
| Jun 28, 10:01 PM CDT | Severe Thunderstorm Warning | BIS | Emmons | 44 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; radar from the NEXRAD Level II archive.