Alert archive / Minnesota / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 164, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at Jul 31, 2000, 9:32 PM CDT for Otter Tail County, Minnesota. It was in force for 43 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
- Jul 31, 2000, 9:32 PM CDT (02:32 UTC)
- Expired
- Jul 31, 2000, 10:15 PM CDT
- In force
- 43 min
- Issued by
- NWS Grand Forks, ND
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Otter Tail County, MN
The radar
The Fargo/Grand Forks radar (KMVX), 145 km from the middle of the area, began a volume at 02:31 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 nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 2.5 hours before the alert went out and 268 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
- 1966 J/kg
- Mixed-layer CIN
- -50 J/kg
- Mixed-layer LCL
- 1437 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 40 m²/s²
- 0-3 km storm-relative helicity
- 44 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 010236 SVRFAR MNC111-010315- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE EASTERN ND-GRAND FORKS 932 PM CDT MON JUL 31 2000 THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... OTTER TAIL COUNTY IN WEST CENTRAL MINNESOTA... * UNTIL 1015 PM CDT * AT 925 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 3 MILES NORTH OF PELICAN RAPIDS...OR ABOUT 17 MILES SOUTHWEST OF DETROIT LAKES...MOVEMENT WAS TO THE EAST AT 30 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... LAKE LIDA AT 935 PM CDT... MAPLEWOOD STATE PARK AT 940 PM CDT... VERGAS AT 945 PM CDT..A. BIG MCDONALD LAKE AT 950 PM CDT... REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. LAT...LON 4658 9619 4640 9578 4663 9574 4669 9614 $$ DJK NNNN
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Grand Forks, ND wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 31, 9:05 PM CDT, 27 minutes earlier.
Area forecast discussion, Jul 31, 9:05 PM CDT, 27 minutes before
FORECAST DISCUSSION FOR EASTERN NORTH DAKOTA AND NORTHWEST MINNESOTA NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 905 PM CDT MON JUL 31 2000 DUE TO ONGOING SEVERE WEATHER WILL BE SHORT WITH THIS DISCUSSION. S/W SHOWING UP ON W/V IMAGERY TRACKING SE ACROSS MANITOBA TOWARD NW MN ATTM. ATMOSPHERE HAS DESTABILIZED AS MESOETA SHOWED CIN FALLING TO 0 TO -20 AT 0Z AS COOLER AIR AT 7H MOVES IN. WITH LI/S OF -6 AHEAD OF SFC FRONT BISECTING THE FA...EXPECT TSRA TO CONTINUE AS S/W MOVES IN. EXPECT SOME OF THESE STORMS TO EXCEED SVR LEVELS UNTIL ATMOSPHERE STABILIZES AFTER 6Z. ERN ND SHOULD BE PCPN FREE OVERNIGHT EXCEPT FOR THE EXTREME SRN RRV. WILL TWEAK ZFP TO REFLECT AREA OF CONCERN...FROM BDE TO EXTREME SRN RRV WHERE MSAS SHOWS STRONGEST MOIST CONVERGENCE. WILL MAKE FEW OTHER ADJUSTMENTS TO ONGOING ZFP. .FGF...NONE. RJT
The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 31, 7:19 PM CDT | Severe Thunderstorm Warning | FGF | Lake of the Woods | 31 min |
| Jul 31, 8:02 PM CDT | Severe Thunderstorm Warning | FGF | Lake of the Woods | 43 min |
| Jul 31, 8:44 PM CDT | Severe Thunderstorm Warning | FGF | Lake of the Woods | 31 min |
| Jul 31, 9:02 PM CDT | Severe Thunderstorm Warning | FGF | Otter Tail, Wilkin | 28 min |
| Jul 31, 9:08 PM CDT | Severe Thunderstorm Warning | FGF | Clay | 32 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.