Alert archive / North Dakota / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 310, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at Aug 14, 2001, 8:43 PM CDT for Benson County, North Dakota. It was in force for 47 min. No storm report in the archive falls 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.
The facts
- Issued
- Aug 14, 2001, 8:43 PM CDT (01:43 UTC)
- Expired
- Aug 14, 2001, 9:30 PM CDT
- In force
- 47 min
- Issued by
- NWS Grand Forks, ND
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Benson County, ND
The radar
The Fargo/Grand Forks radar (KMVX), 129 km from the middle of the area, began a volume at 01:45 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.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Aug 14, 2:30 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Bismarck Municip, ND (KBIS), launched 00:00Z, 1.7 hours before the alert went out and 186 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
- 2390 J/kg
- Mixed-layer CIN
- -19 J/kg
- Mixed-layer LCL
- 1983 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 35 m²/s²
- 0-3 km storm-relative helicity
- 3 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.1
The text
As transmitted, in the capitals the NWS used until 2016.
549 WUUS53 KFGF 150144 SVRFAR NDC005-150230- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE EASTERN ND-GRAND FORKS 843 PM CDT TUE AUG 14 2001 THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHEASTERN BENSON COUNTY IN NORTHEAST NORTH DAKOTA. * UNTIL 930 PM CDT. * AT 840 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 6 MILES SOUTH OF FORT TOTTEN...OR ABOUT 17 MILES SOUTH OF DEVILS LAKE...MOVEMENT WAS TO THE EAST AT 20 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... ST MICHAEL AT 855 PM AND TOKIO AT 900 PM. REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM TUESDAY EVENING FOR NORTHWESTERN MINNESOTA AND EASTERN NORTH DAKOTA. LAT...LON 4799 9911 4786 9908 4788 9865 4799 9870 $$ DTR/06 NNNN
The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 14, 8:51 PM CDT | Severe Thunderstorm Warning | FGF | Eddy | 39 min |
| Aug 14, 9:06 PM CDT | Tornado Warning | FGF | Eddy | 24 min |
| Aug 14, 9:12 PM CDT | Severe Thunderstorm Warning | FGF | Nelson | 48 min |
| Aug 14, 9:28 PM CDT | Severe Thunderstorm Warning | FGF | Eddy | 47 min |
| Aug 14, 9:28 PM CDT | Tornado Warning | FGF | Eddy | 47 min |
| Aug 14, 9:35 PM CDT | Flash Flood Warning | FGF | Eddy | 6 hr |
| Aug 14, 9:57 PM CDT | Severe Thunderstorm Warning | FGF | Griggs, Nelson | 48 min |
| Aug 14, 10:22 PM CDT | Severe Thunderstorm Warning | FGF | Grand Forks | 38 min |
| Aug 14, 11:03 PM CDT | Severe Thunderstorm Warning | FGF | Grand Forks | 42 min |
| Aug 14, 11:17 PM CDT | Flash Flood Warning | FGF | Grand Forks | 6 hr |
| Aug 14, 11:21 PM CDT | Severe Thunderstorm Warning | FGF | Barnes, Griggs | 39 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.