Alert archive / Minnesota / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 134, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at Jul 7, 2000, 5:23 PM CDT for Wilkin County, Minnesota. It was in force for 32 min. 1 report 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 7, 2000, 5:23 PM CDT (22:23 UTC)
- Expired
- Jul 7, 2000, 5:55 PM CDT
- In force
- 32 min
- Issued by
- NWS Grand Forks, ND
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Wilkin County, MN
The radar
The Fargo/Grand Forks radar (KMVX), 161 km from the middle of the area, began a volume at 22:26 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 7, 5:50 PM CDT | Hail 0.75 | Campbell, 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 7, 12:00 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Aberdeen, SD (KABR), launched 12:00Z, 10.4 hours before the alert went out and 211 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
- 1616 J/kg
- Mixed-layer CIN
- -470 J/kg
- Mixed-layer LCL
- 960 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 310 m²/s²
- 0-3 km storm-relative helicity
- 306 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 072223 SVRFAR MNC167-072253- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE EASTERN ND-GRAND FORKS 523 PM CDT FRI JUL 7 2000 THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHERN WILKIN COUNTY IN WEST CENTRAL MINNESOTA * UNTIL 555 PM CDT * AT 521 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 3 MILES EAST OF DORAN...OR ABOUT 11 MILES SOUTHEAST OF WAHPETON...MOVEMENT WAS TO THE EAST AT 25 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... FOXHOME AT 530 PM CDT... REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. LAT...LON 4627 9655 4609 9653 4612 9629 4630 9630 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 7, 3:30 PM CDT, 1 hour 53 minutes earlier.
Area forecast discussion, Jul 7, 3:30 PM CDT, 1 hour 53 minutes before
FORECAST DISCUSSION FOR EASTERN NORTH DAKOTA AND NORTHWEST MINNESOTA NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 330 PM CDT FRI JUL 7 2000 UPR RIDGE TO STAY OVR KS-AR WITH RIDGE AXIS EXTENDING INTO THE NRN PLNS. AN UPR LVL TROF WL RIDE OVR THE RIDGE IN CNTRL/NRN MAN THRU SAT. WAA PROFILE WAS OCCURRING FOR STATES TO THE S WHILE A CAA PROFILE WAS TO THE N. HI THETA-E AIR REMAINS ACRS THE AREA. MODELS INDICATE CAA FM THE N WL CREATE A N-S ORIENTATED THETA-E GRAD ACRS THE VLY. MORNING INTIALIZATION SUGGEST THE CAA IS NOT STRONG ENOUGH ON MODELS. BEST 850 HPA WNDS WL SHFT INTO ERN MN TNGT WHILE WND WL INCR FM THE W BY MORN. SO MSTR CONVERGENCE NOT THAT IMPRESSIVE FOR TNGT. A THERMAL RIDGE AXIS ALSO EXTENDED INTO THE NRN PLNS WITH A SECONDARY RIDGE BUILDING INTO MT LATE TNGT. REASONABLE MID LVL CAP STAYS ACRS THE CNTRL HI PLNS INTO SD WITH A GOOD TEMP GRAD ACRS ND-NRN MN THRU SUN. WL GO CHC PRECIP S SAT AND A CHC EVERYWHERE FOR SAT NGT AND SUN. .EXTENDED... CANADIAN AND MRF SUGGEST MEAN UPR RDG WILL RMN ACRS CNTRL US THRU FCST PD. BULK OF HOT AIRMASS WILL RMN S OF RGN WITH CWFA CLOSE TO THE JET. TSTMS CHC WILL BE TIED TO SHRTWVS WHICH ARE FCST TO MOV THRU TUE/WED AND AGAIN ON FRI. NEW MRF/CANADIAN ARE CONSISTENT WITH PREV FCST. SEE NO REASON TO CHANGE YESTERDAY/S FCST OF TEMP AND PCPN. .FGF...NONE. BELLES/HOPPES
In the hours before
Special weather statement, Jul 7, 3:47 PM CDT, 1 hour 36 minutes before
MNZ001>009-013>017-022>024-027>032-040-NDZ006>008-014>016-024- 026>030-038-039-049-052>054-072130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 347 PM CDT FRI JUL 7 2000 ...TORNADO WATCH NUMBER 548 FOR PARTS OF EASTERN NORTH DAKOTA... NORTHWEST AND WEST CENTRAL MINNESOTA UNTIL 6 PM CDT HAS BEEN CANCELLED... THE TORNADO WATCH THAT WAS ISSUED AT NOON UNTIL 6 PM CDT HAS BEEN CANCELLED. THE ATMOSPHERE IS BECOMING MORE STABLE THIS AFTERNOON AND EVEN THOUGH THUNDERSTORMS ARE STILL POSSIBLE...NONE OF THEM ARE EXPECTED TO BE SEVERE AT THIS TIME. BRAZZELL N
The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 7, 2:49 AM CDT | Severe Thunderstorm Warning | FGF | Clay | 31 min |
| Jul 7, 10:26 AM CDT | Severe Thunderstorm Warning | FGF | Beltrami | 29 min |
| Jul 7, 11:06 AM CDT | Severe Thunderstorm Warning | FGF | Polk | 29 min |
| Jul 7, 11:35 AM CDT | Severe Thunderstorm Warning | FGF | Pennington, Red Lake | 45 min |
| Jul 7, 12:19 PM CDT | Severe Thunderstorm Warning | FGF | Beltrami, Clearwater, Pennington | 31 min |
| Jul 7, 12:30 PM CDT | Flash Flood Warning | FGF | Pennington, Polk, Red Lake | 4 hr |
| Jul 7, 12:51 PM CDT | Severe Thunderstorm Warning | FGF | Polk | 29 min |
| Jul 7, 1:19 PM CDT | Severe Thunderstorm Warning | FGF | Polk | 46 min |
| Jul 7, 5:32 PM CDT | Severe Thunderstorm Warning | FGF | Otter Tail | 43 min |
| Jul 7, 6:10 PM CDT | Severe Thunderstorm Warning | FGF | Grant | 30 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.