Alert archive / North Dakota / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 50, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at Jun 12, 2000, 5:52 PM CDT for Grand Forks County, Nelson County, North Dakota. It was in force for 33 min. 7 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 12, 2000, 5:52 PM CDT (22:52 UTC)
- Expired
- Jun 12, 2000, 6:25 PM CDT
- In force
- 33 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), 55 km from the middle of the area, began a volume at 22:56 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 12, 6:00 PM CDT | Hail 1.75 | Aneta, ND | |
| Jun 12, 6:10 PM CDT | Hail 0.75 | Larimore, ND | |
| Jun 12, 6:10 PM CDT | Hail 1 | Larimore, ND | |
| Jun 12, 6:10 PM CDT | Hail 1 | Aneta, ND | |
| Jun 12, 6:30 PM CDT | Hail 0.75 | Aneta, ND | |
| Jun 12, 6:35 PM CDT | Tornado F0 | Larimore, ND | A tornado touched down in an open field. |
| Jun 12, 6:35 PM CDT | Hail 0.75 | Larimore, ND |
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 |
|---|---|---|---|
| Jun 12, 4:15 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Bismarck Municip, ND (KBIS), launched 12:00Z, 10.9 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
- 80 J/kg
- Mixed-layer CIN
- -312 J/kg
- Mixed-layer LCL
- 1408 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 60 m²/s²
- 0-3 km storm-relative helicity
- 99 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 122254 COR SVRFAR NDC035-063-122325- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE EASTERN ND-GRAND FORKS 552 PM CDT MON JUN 12 2000 THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... WESTERN GRAND FORKS COUNTY IN NORTHEAST NORTH DAKOTA SOUTHEASTERN NELSON COUNTY IN NORTHEAST NORTH DAKOTA * UNTIL 625 PM CDT * AT 551 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 5 MILES WEST OF LOGAN CENTER...OR ABOUT 40 MILES WEST OF GRAND FORKS...MOVING NORTHEAST AT 20 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... LOGAN CENTER AT 600 PM CDT LARIMORE AT 625 ZPM CDT REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. LAT...LON 4781 9809 4768 9790 4793 9749 4809 9773 NNNN
The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 11, 8:08 PM CDT | Tornado Warning | FGF | Benson, Towner | 32 min |
| Jun 12, 3:46 PM CDT | Severe Thunderstorm Warning | FGF | Walsh | 29 min |
| Jun 12, 4:06 PM CDT | Severe Thunderstorm Warning | FGF | Pembina | 29 min |
| Jun 12, 4:13 PM CDT | Severe Thunderstorm Warning | FGF | Walsh | 32 min |
| Jun 12, 4:31 PM CDT | Severe Thunderstorm Warning | FGF | Griggs, Nelson | 29 min |
| Jun 12, 4:44 PM CDT | Severe Thunderstorm Warning | FGF | Pembina, Walsh | 31 min |
| Jun 12, 4:53 PM CDT | Severe Thunderstorm Warning | FGF | Grand Forks, Nelson | 32 min |
| Jun 12, 5:12 PM CDT | Tornado Warning | FGF | Walsh | 33 min |
| Jun 12, 5:24 PM CDT | Severe Thunderstorm Warning | FGF | Grand Forks, Nelson | 31 min |
| Jun 12, 5:43 PM CDT | Severe Thunderstorm Warning | FGF | Walsh | 32 min |
| Jun 12, 6:24 PM CDT | Tornado Warning | FGF | Grand Forks | 31 min |
| Jun 12, 6:25 PM CDT | Severe Thunderstorm Warning | FGF | Nelson | 30 min |
| Jun 12, 6:52 PM CDT | Tornado Warning | FGF | Grand Forks | 33 min |
| Jun 12, 6:54 PM CDT | Severe Thunderstorm Warning | FGF | Griggs, Nelson | 31 min |
Nearby
Severe Thunderstorm Warnings in North Dakota, 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.