Alert archive / Minnesota / Tornado Warnings in 2001
Tornado Warning 36, NWS Grand Forks, ND
NWS Grand Forks, ND issued this tornado warning at Jul 18, 2001, 4:22 PM CDT for Kittson County, Minnesota; Pembina County, North Dakota. It was in force for 38 min. 3 reports 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, 4:22 PM CDT (21:22 UTC)
- Expired
- Jul 18, 2001, 5:00 PM CDT
- In force
- 38 min
- Issued by
- NWS Grand Forks, ND
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Kittson County, MN, Pembina County, ND
The radar
The Fargo/Grand Forks radar (KMVX), 159 km from the middle of the area, began a volume at 21:22 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, 4:30 PM CDT | Hail 2.75 | Pembina, ND | The hail knocked out a yard light and damaged several vehicles. |
| Jul 18, 4:34 PM CDT | Tornado F0 | Pembina, ND | A brief tornado touchdown was reported. |
| Jul 18, 4:35 PM CDT | Hail 1.75 | Pembina, ND | The hail broke many windows. |
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
International Fa, MN (KINL), launched 12:00Z, 9.4 hours before the alert went out and 293 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
- 362 J/kg
- Mixed-layer CIN
- -229 J/kg
- Mixed-layer LCL
- 1307 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 7 m²/s²
- 0-3 km storm-relative helicity
- 156 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.9
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS53 KFGF 182123 TORFAR MNC069-NDC067-182200- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE EASTERN ND-GRAND FORKS 422 PM CDT WED JUL 18 2001 THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A * TORNADO WARNING FOR... NORTHEASTERN PEMBINA COUNTY IN NORTHEAST NORTH DAKOTA AND NORTHWESTERN KITTSON COUNTY IN NORTHWEST MINNESOTA. * UNTIL 500 PM CDT. * AT 417 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A TORNADO 7 MILES WEST OF PEMBINA...OR ABOUT 38 MILES NORTH OF GRAFTON...MOVEMENT WAS TO THE EAST AT 20 MPH. * THE TORNADO WILL BE NEAR... PEMBINA AT 435 PM CDT NOYES AT 440 PM CDT HUMBOLDT AT AT 450 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. LAT...LON 4906 9749 4889 9753 4874 9692 4905 9685 $$ DTR NNNN
The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 17, 7:02 PM CDT | Tornado Warning | FGF | Beltrami | 28 min |
| Jul 17, 7:14 PM CDT | Severe Thunderstorm Warning | FGF | Lake of the Woods | 61 min |
| Jul 17, 7:16 PM CDT | Tornado Warning | FGF | Wadena | 29 min |
| Jul 17, 7:32 PM CDT | Severe Thunderstorm Warning | FGF | Beltrami | 43 min |
| Jul 17, 8:10 PM CDT | Tornado Warning | FGF | Wilkin | 35 min |
| Jul 17, 8:15 PM CDT | Severe Thunderstorm Warning | FGF | Hubbard | 60 min |
| Jul 17, 8:18 PM CDT | Severe Thunderstorm Warning | FGF | Beltrami, Lake of the Woods | 57 min |
| Jul 17, 8:22 PM CDT | Severe Thunderstorm Warning | FGF | Becker, Otter Tail | 53 min |
| Jul 17, 8:42 PM CDT | Severe Thunderstorm Warning | FGF | Wilkin | 48 min |
| Jul 17, 9:11 PM CDT | Severe Thunderstorm Warning | FGF | Otter Tail | 49 min |
| Jul 17, 9:59 PM CDT | Severe Thunderstorm Warning | FGF | Otter Tail | 31 min |
| Jul 17, 11:00 PM CDT | Severe Thunderstorm Warning | FGF | Wilkin | 30 min |
| Jul 18, 4:57 PM CDT | Tornado Warning | FGF | Kittson | 33 min |
| Jul 18, 5:29 PM CDT | Tornado Warning | FGF | Kittson, Roseau | 46 min |
| Jul 18, 6:14 PM CDT | Severe Thunderstorm Warning | FGF | Roseau | 61 min |
| Jul 17, 7:03 PM CDT | Tornado Warning | FGF | Ransom | 42 min |
| Jul 17, 7:27 PM CDT | Tornado Warning | FGF | Richland | 48 min |
| Jul 17, 7:41 PM CDT | Severe Thunderstorm Warning | FGF | Ramsey, Walsh | 49 min |
| Jul 17, 7:47 PM CDT | Severe Thunderstorm Warning | FGF | Ransom | 43 min |
| Jul 17, 8:13 PM CDT | Severe Thunderstorm Warning | FGF | Barnes, Cass | 47 min |
| Jul 17, 8:37 PM CDT | Severe Thunderstorm Warning | FGF | Ransom | 53 min |
| Jul 17, 8:58 PM CDT | Severe Thunderstorm Warning | FGF | Cass | 32 min |
| Jul 17, 9:29 PM CDT | Severe Thunderstorm Warning | FGF | Ransom, Richland | 31 min |
| Jul 17, 9:38 PM CDT | Severe Thunderstorm Warning | FGF | Ransom | 37 min |
| Jul 17, 9:57 PM CDT | Severe Thunderstorm Warning | FGF | Richland | 48 min |
| Jul 17, 10:05 PM CDT | Severe Thunderstorm Warning | FGF | Sargent | 40 min |
| Jul 17, 10:11 PM CDT | Severe Thunderstorm Warning | FGF | Ransom | 34 min |
| Jul 17, 10:40 PM CDT | Severe Thunderstorm Warning | FGF | Richland | 35 min |
| Jul 17, 11:50 PM CDT | Severe Thunderstorm Warning | FGF | Barnes | 40 min |
| Jul 18, 12:30 AM CDT | Severe Thunderstorm Warning | FGF | Barnes, Cass | 45 min |
| Jul 18, 12:56 AM CDT | Severe Thunderstorm Warning | FGF | Griggs | 49 min |
| Jul 18, 1:12 AM CDT | Severe Thunderstorm Warning | FGF | Cass | 63 min |
| Jul 18, 2:07 AM CDT | Severe Thunderstorm Warning | FGF | Steele | 38 min |
| Jul 18, 2:13 AM CDT | Severe Thunderstorm Warning | FGF | Cass | 62 min |
| Jul 18, 3:41 PM CDT | Severe Thunderstorm Warning | FGF | Pembina | 49 min |
| Jul 18, 5:43 PM CDT | Severe Thunderstorm Warning | FGF | Nelson | 47 min |
| Jul 18, 5:57 PM CDT | Severe Thunderstorm Warning | FGF | Pembina | 48 min |
| Jul 18, 6:00 PM CDT | Tornado Warning | FGF | Nelson | 30 min |
| Jul 18, 6:04 PM CDT | Tornado Warning | FGF | Griggs | 26 min |
| Jul 18, 6:26 PM CDT | Tornado Warning | FGF | Griggs, Nelson, Steele | 49 min |
| Jul 18, 6:32 PM CDT | Tornado Warning | FGF | Walsh | 43 min |
| Jul 18, 6:36 PM CDT | Tornado Warning | FGF | Pembina | 24 min |
Nearby
Tornado Warnings in Minnesota, 2001Tornado 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.