Alert archive / North Dakota / Tornado Warnings in 2001
Tornado Warning 45, NWS Grand Forks, ND
NWS Grand Forks, ND issued this tornado warning at Jul 18, 2001, 7:09 PM CDT for Nelson County, North Dakota. It was in force for 51 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 18, 2001, 7:09 PM CDT (00:09 UTC)
- Expired
- Jul 18, 2001, 8:00 PM CDT
- In force
- 51 min
- Issued by
- NWS Grand Forks, ND
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Nelson County, ND
The radar
The Fargo/Grand Forks radar (KMVX), 77 km from the middle of the area, began a volume at 00:08 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 18, 7:20 PM CDT | Tornado F0 | Tolna, ND | A brief touchdown was reported. |
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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 18, 4:00 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Bismarck Municip, ND (KBIS), launched 00:00Z, 0.2 hours before the alert went out and 219 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
- 2623 J/kg
- Mixed-layer CIN
- -63 J/kg
- Mixed-layer LCL
- 1396 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 15 m²/s²
- 0-3 km storm-relative helicity
- 182 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 4.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS53 KFGF 190010 TORFAR NDC063-190100- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE EASTERN ND-GRAND FORKS 709 PM CDT WED JUL 18 2001 THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A * TORNADO WARNING FOR... SOUTHCENTRAL NELSON COUNTY IN NORTHEAST NORTH DAKOTA. * UNTIL 800 PM CDT. * AT 703 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A TORNADO OVER PEKIN...OR ABOUT 33 MILES SOUTHEAST OF DEVILS LAKE... MOVEMENT WAS TO THE EAST AT 15 MPH. * THE TORNADO WILL BE NEAR... MCVILLE AT 720 PM CDT. A TORNADO WAS NEAR PEKIN AT 654 PM CDT. THIS IS A DANGEROUS STORM. IF YOU ARE IN THE PATH OF THIS TORNADO ABANDON CARS AND MOBILE HOMES FOR A STURDY BUILDING. A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT WEDNESDAY EVENING FOR NORTHWESTERN MINNESOTA AND EASTERN NORTH DAKOTA. A TORNADO WATCH ALSO REMAINS IN EFFECT UNTIL 1000 PM CDT WEDNESDAY EVENING FOR NORTHWESTERN MINNESOTA. LAT...LON 4786 9847 4769 9839 4774 9792 4799 9800 $$ DJK 08 NNNN
The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 18, 7:00 PM CDT | Tornado Warning | FGF | Pembina | 45 min |
| Jul 18, 7:08 PM CDT | Flash Flood Warning | FGF | Pembina | 3 hr |
| Jul 18, 7:09 PM CDT | Severe Thunderstorm Warning | FGF | Griggs | 51 min |
| Jul 18, 7:13 PM CDT | Tornado Warning | FGF | Walsh | 47 min |
| Jul 18, 7:15 PM CDT | Tornado Warning | FGF | Griggs, Steele | 45 min |
| Jul 18, 7:15 PM CDT | Tornado Warning | FGF | Grand Forks | 45 min |
| Jul 18, 7:17 PM CDT | Flash Flood Warning | FGF | Grand Forks, Nelson | 3 hr |
| Jul 18, 7:42 PM CDT | Severe Thunderstorm Warning | FGF | Pembina | 48 min |
| Jul 18, 7:55 PM CDT | Severe Thunderstorm Warning | FGF | Walsh | 50 min |
| Jul 18, 8:00 PM CDT | Tornado Warning | FGF | Griggs, Steele | 45 min |
| Jul 18, 8:46 PM CDT | Severe Thunderstorm Warning | FGF | Barnes | 59 min |
| Jul 18, 10:47 PM CDT | Severe Thunderstorm Warning | FGF | Grand Forks | 43 min |
| Jul 18, 11:28 PM CDT | Severe Thunderstorm Warning | FGF | Grand Forks | 47 min |
| Jul 18, 11:47 PM CDT | Tornado Warning | FGF | Grand Forks | 28 min |
| Jul 19, 12:04 AM CDT | Severe Thunderstorm Warning | FGF | Traill | 41 min |
| Jul 19, 12:14 AM CDT | Tornado Warning | FGF | Grand Forks | 31 min |
| Jul 19, 12:27 AM CDT | Flash Flood Warning | FGF | Grand Forks, Traill | 2 hr |
| Jul 19, 12:27 AM CDT | Tornado Warning | FGF | Traill | 33 min |
| Jul 19, 1:59 AM CDT | Severe Thunderstorm Warning | FGF | Walsh | 46 min |
| Jul 19, 5:07 AM CDT | Severe Thunderstorm Warning | FGF | Ransom | 23 min |
| Jul 19, 5:16 AM CDT | Severe Thunderstorm Warning | FGF | Richland | 44 min |
| Jul 19, 6:02 AM CDT | Severe Thunderstorm Warning | FGF | Cass | 28 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.