Alert archive / North Dakota / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 71, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at Jun 20, 2001, 1:14 PM CDT for Grand Forks County, Nelson County, North Dakota. It was in force for 46 min. 4 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
- Jun 20, 2001, 1:14 PM CDT (18:14 UTC)
- Expired
- Jun 20, 2001, 2:00 PM CDT
- In force
- 46 min
- Issued by
- NWS Grand Forks, ND
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Grand Forks County, ND, Nelson County, ND
The radar
The Fargo/Grand Forks radar (KMVX), 70 km from the middle of the area, began a volume at 18:17 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 20, 1:38 PM CDT | Hail 0.75 | Michigan City, ND | |
| Jun 20, 1:38 PM CDT | Thunderstorm Wind 61 E | Michigan City, ND | |
| Jun 20, 1:45 PM CDT | Hail 0.88 | Petersburg, ND | |
| Jun 20, 1:55 PM CDT | Tornado F0 | Shawnee, ND | A pilot reported a touchdown. |
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, 6.2 hours before the alert went out and 246 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
- 5 J/kg
- Mixed-layer CIN
- -143 J/kg
- Mixed-layer LCL
- 1485 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 76 m²/s²
- 0-3 km storm-relative helicity
- 66 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS53 KFGF 201814 SVRFAR NDC035-063-201900- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE EASTERN ND-GRAND FORKS 114 PM CDT WED JUN 20 2001 THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... WESTERN GRAND FORKS COUNTY IN NORTHEAST NORTH DAKOTA... EASTERN NELSON COUNTY IN NORTHEAST NORTH DAKOTA... * UNTIL 200 PM CDT * AT 111 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 5 MILES SOUTH OF MICHIGAN...OR ABOUT 35 MILES EAST OF DEVILS LAKE...MOVEMENT WAS TO THE EAST AT 30 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... PETERSBURG AT 120 PM CDT... NIAGARA AT 130 PM CDT... MCCANNA AT 140 PM CDT... LOGAN CENTER AT 145 PM CDT... REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. LAT...LON 4819 9822 4770 9832 4769 9758 4818 9751 $$ BRAMER NNNN
The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 19, 7:08 PM CDT | Severe Thunderstorm Warning | FGF | Eddy | 37 min |
| Jun 19, 7:14 PM CDT | Severe Thunderstorm Warning | FGF | Nelson | 31 min |
| Jun 20, 12:56 PM CDT | Severe Thunderstorm Warning | FGF | Benson, Ramsey | 49 min |
| Jun 20, 1:28 PM CDT | Tornado Warning | FGF | Benson, Ramsey | 32 min |
| Jun 20, 1:41 PM CDT | Tornado Warning | FGF | Grand Forks, Nelson | 34 min |
| Jun 20, 1:59 PM CDT | Tornado Warning | FGF | Benson, Eddy, Nelson | 31 min |
| Jun 20, 2:12 PM CDT | Tornado Warning | FGF | Grand Forks, Steele, Traill | 33 min |
| Jun 20, 2:30 PM CDT | Tornado Warning | FGF | Eddy, Nelson | 45 min |
| Jun 20, 2:45 PM CDT | Severe Thunderstorm Warning | FGF | Grand Forks, Traill | 45 min |
| Jun 20, 3:14 PM CDT | Tornado Warning | FGF | Traill | 31 min |
| Jun 20, 3:16 PM CDT | Severe Thunderstorm Warning | FGF | Griggs, Steele | 44 min |
| Jun 20, 3:31 PM CDT | Severe Thunderstorm Warning | FGF | Barnes | 29 min |
| Jun 20, 3:45 PM CDT | Tornado Warning | FGF | Traill | 30 min |
| Jun 20, 4:00 PM CDT | Severe Thunderstorm Warning | FGF | Barnes, Ransom | 45 min |
| Jun 20, 4:05 PM CDT | Severe Thunderstorm Warning | FGF | Steele | 25 min |
| Jun 20, 4:15 PM CDT | Severe Thunderstorm Warning | FGF | Barnes | 45 min |
| Jun 20, 4:28 PM CDT | Severe Thunderstorm Warning | FGF | Richland | 32 min |
| Jun 20, 4:32 PM CDT | Severe Thunderstorm Warning | FGF | Ransom | 28 min |
| Jun 20, 4:57 PM CDT | Severe Thunderstorm Warning | FGF | Cass | 33 min |
| Jun 20, 5:03 PM CDT | Severe Thunderstorm Warning | FGF | Barnes, Cass | 42 min |
Nearby
Severe Thunderstorm Warnings in North Dakota, 2001Every severe thunderstorm warning 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.