Alert archive / North Dakota / Tornado Warnings in 2000
Tornado Warning 11, NWS Bismarck, ND
NWS Bismarck, ND issued this tornado warning at Jul 3, 2000, 6:35 AM MDT for Slope County, North Dakota. It was in force for 25 min. 1 report came from inside the area while it was in force.
The area
The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.
The facts
- Issued
- Jul 3, 2000, 6:35 AM MDT (12:35 UTC)
- Expired
- Jul 3, 2000, 7:00 AM MDT
- In force
- 25 min
- Issued by
- NWS Bismarck, ND
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Slope County, ND
The radar
The Bismarck radar (KBIS), 195 km from the middle of the area, began a volume at 12:37 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 3, 6:50 AM MDT | Hail 1.75 | Amidon, 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, 0.6 hours before the alert went out and 200 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
- 52 J/kg
- Mixed-layer CIN
- -127 J/kg
- Mixed-layer LCL
- 623 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 135 m²/s²
- 0-3 km storm-relative helicity
- 98 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
The text
As transmitted, in the capitals the NWS used until 2016.
258 WFUS53 KBIS 031235 TORBIS NDC087-031300- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE BISMARCK ND 635 AM MDT MON JUL 3 2000 THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A * TORNADO WARNING FOR... EASTERN SLOPE COUNTY IN SOUTHWEST NORTH DAKOTA * UNTIL 700 AM MDT * AT 635 AM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A TORNADO OVER AMIDON...OR ABOUT 17 MILES NORTH OF BOWMAN...MOVING NORTHEAST AT 35 MPH. * THE TORNADO IS EXPECTED TO BE NEAR... RURAL NORTHEASTERN SLOPE COUNTY AT 650 AM MDT IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. LAT...LON 4659 10351 4630 10345 4632 10297 4662 10298
The office that day
Everything else NWS Bismarck, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 2, 10:58 PM MDT | Severe Thunderstorm Warning | BIS | McKenzie, Williams | 62 min |
| Jul 3, 6:23 AM MDT | Severe Thunderstorm Warning | BIS | Slope | 52 min |
| Jul 3, 7:25 AM MDT | Severe Thunderstorm Warning | BIS | Hettinger | 50 min |
Nearby
Tornado Warnings in North Dakota, 2000Every tornado warning in 2000Tornadoes in 2000
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.