Alert archive / North Dakota / Tornado Warnings in 2001
Tornado Warning 21, NWS Bismarck, ND
NWS Bismarck, ND issued this tornado warning at Jul 25, 2001, 6:55 PM MDT for Golden Valley County, Slope County, North Dakota. It was in force for 65 min. No storm report in the archive falls 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.
The facts
- Issued
- Jul 25, 2001, 6:55 PM MDT (00:55 UTC)
- Expired
- Jul 25, 2001, 8:00 PM MDT
- In force
- 65 min
- Issued by
- NWS Bismarck, ND
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Golden Valley County, ND, Slope County, ND
The radar
The Bismarck radar (KBIS), 218 km from the middle of the area, began a volume at 00:56 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 25, 5:15 PM MDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Bismarck Municip, ND (KBIS), launched 00:00Z, 0.9 hours before the alert went out and 223 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
- 637 J/kg
- Mixed-layer CIN
- -83 J/kg
- Mixed-layer LCL
- 1031 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- -23 m²/s²
- 0-3 km storm-relative helicity
- 33 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.8
The text
As transmitted, in the capitals the NWS used until 2016.
000
WFUS53 KBIS 260058
TORBIS
NDC033-087-260200-
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BISMARCK ND
655 PM MDT WED JUL 25 2001
THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A
* TORNADO WARNING FOR...
SOUTHERN GOLDEN VALLEY COUNTY IN SOUTHWEST NORTH DAKOTA
SLOPE COUNTY IN SOUTHWEST NORTH DAKOTA
* UNTIL 800 PM MDT
* AT 655 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
POSSIBLE TORNADO OVER GOLVA...OR ABOUT 44 MILES NORTHWEST OF
BOWMAN...MOVING SOUTHEAST AT 15 MPH.
* THE TORNADO IS EXPECTED TO BE NEAR...
RURAL AREAS OF SOUTHERN GOLDEN VALLEY AND SLOPE COUNTIES
SKYWARN SPOTTERS REPORTED A FUNNEL CLOUD IN THE VICINITY OF GOLVA.
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW
SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
LAT...LON 4687 10401 4632 10402 4631 10296 4661 10300
4660 10366 4688 10365
JENSENThe office that day
Everything else NWS Bismarck, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 25, 7:23 PM MDT | Severe Thunderstorm Warning | BIS | Billings | 67 min |
| Jul 25, 7:53 PM MDT | Severe Thunderstorm Warning | BIS | Slope | 67 min |
| Jul 25, 8:34 PM MDT | Severe Thunderstorm Warning | BIS | Bowman | 56 min |
| Jul 25, 8:58 PM MDT | Severe Thunderstorm Warning | BIS | Slope | 62 min |
| Jul 25, 9:13 PM MDT | Flash Flood Warning | BIS | Bowman, Golden Valley, Slope | 6 hr |
| Jul 25, 9:29 PM MDT | Severe Thunderstorm Warning | BIS | Bowman | 61 min |
| Jul 25, 10:46 PM MDT | Severe Thunderstorm Warning | BIS | Bottineau | 59 min |
| Jul 26, 5:35 PM MDT | Tornado Warning | BIS | McKenzie | 45 min |
| Jul 26, 5:40 PM MDT | Tornado Warning | BIS | Burke | 35 min |
Nearby
Tornado Warnings in North Dakota, 2001Every tornado warning in 2001Tornadoes in 2001
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.