Alert archive / Minnesota / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 154, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at Jul 25, 2000, 1:17 PM CDT for Becker County, Clay County, Minnesota. It was in force for 28 min. 2 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 25, 2000, 1:17 PM CDT (18:17 UTC)
- Expired
- Jul 25, 2000, 1:45 PM CDT
- In force
- 28 min
- Issued by
- NWS Grand Forks, ND
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Becker County, MN, Clay County, MN
The radar
The Fargo/Grand Forks radar (KMVX), 115 km from the middle of the area, began a volume at 18:19 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 25, 1:27 PM CDT | Tornado F0 | Lake Park, MN | The tornado touched down briefly in an open field. |
| Jul 25, 1:41 PM CDT | Hail 2.75 | Rollag, MN |
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
Aberdeen, SD (KABR), launched 12:00Z, 6.3 hours before the alert went out and 274 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
- 507 J/kg
- Mixed-layer CIN
- -190 J/kg
- Mixed-layer LCL
- 1587 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 49 m²/s²
- 0-3 km storm-relative helicity
- 62 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS53 KFGF 251820 SVRFAR MNC005-027-251845- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE EASTERN ND-GRAND FORKS 117 PM CDT TUE JUL 25 2000 THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... WESTERN BECKER COUNTY IN NORTHWEST MINNESOTA... EAST CENTRAL CLAY COUNTY IN NORTHWEST MINNESOTA... * UNTIL 145 PM CDT * AT 113 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 3 MILES NORTHWEST OF ROLLAG...OR ABOUT 22 MILES WEST OF DETROIT LAKES...MOVEMENT WAS TO THE EAST AT 35 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... LAKE PARK AT 130 PM CDT... AUDUBON AT 135 PM CDT... WESTBURY AT 145 PM CDT... REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM CDT TUESDAY EVENING FOR CENTRAL MINNESOTA. LAT...LON 4683 9642 4670 9636 4675 9591 4703 9589 $$ VOELKER NNNN
The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 24, 11:43 PM CDT | Severe Thunderstorm Warning | FGF | Wilkin | 32 min |
| Jul 25, 12:11 AM CDT | Severe Thunderstorm Warning | FGF | Otter Tail | 29 min |
| Jul 25, 12:35 PM CDT | Severe Thunderstorm Warning | FGF | Beltrami, Clearwater | 30 min |
| Jul 25, 12:40 PM CDT | Severe Thunderstorm Warning | FGF | Mahnomen | 30 min |
| Jul 25, 1:48 PM CDT | Severe Thunderstorm Warning | FGF | Hubbard | 32 min |
| Jul 25, 2:37 PM CDT | Severe Thunderstorm Warning | FGF | Becker, Otter Tail | 28 min |
| Jul 25, 3:04 PM CDT | Severe Thunderstorm Warning | FGF | Otter Tail | 31 min |
| Jul 25, 3:42 PM CDT | Severe Thunderstorm Warning | FGF | Otter Tail | 28 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 2000Every severe thunderstorm warning 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.