Alert archive / Minnesota / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 290, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at Aug 8, 2001, 10:37 PM CDT for Otter Tail County, Wadena County, Minnesota. It was in force for 53 min. 3 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
- Aug 8, 2001, 10:37 PM CDT (03:37 UTC)
- Expired
- Aug 8, 2001, 11:30 PM CDT
- In force
- 53 min
- Issued by
- NWS Grand Forks, ND
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Otter Tail County, MN, Wadena County, MN
The radar
The Fargo/Grand Forks radar (KMVX), 201 km from the middle of the area, began a volume at 03:40 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 |
|---|---|---|---|
| Aug 8, 10:37 PM CDT | Thunderstorm Wind 61 E | Pelican Rapids, MN | 1000 customers were without power. |
| Aug 8, 11:00 PM CDT | Thunderstorm Wind | Perham, MN | Powerlines were blown down. |
| Aug 8, 11:00 PM CDT | Thunderstorm Wind | New York Mills, MN | Trees were blown down. |
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 |
|---|---|---|---|
| Aug 8, 9:45 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 3.6 hours before the alert went out and 215 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
- 1585 J/kg
- Mixed-layer CIN
- -90 J/kg
- Mixed-layer LCL
- 1503 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- 31 m²/s²
- 0-3 km storm-relative helicity
- 47 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
552
WUUS53 KFGF 090337
SVRFAR
MNC111-159-090430-
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE EASTERN ND-GRAND FORKS
1037 PM CDT WED AUG 8 2001
THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
WADENA COUNTY IN CENTRAL MINNESOTA AND
OTTER TAIL COUNTY IN WEST CENTRAL MINNESOTA.
INCLUDING THE CITY OF FERGUS FALLS...
* UNTIL 1130 PM CDT.
* AT 1030 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THE
LEADING EDGE OF SEVERE THUNDERSTORMS ALONG A LINE EXTENDING FROM 28
MILES EAST OF DETROIT LAKES TO 18 MILES SOUTH OF DETROIT LAKES TO 5
MILES WEST OF FERGUS FALLS...MOVEMENT WAS TO THE SOUTHEAST AT 45
MPH.
* SEVERE THUNDERSTORMS WILL BE NEAR...
DENT AT 1040 PM...
PERHAM AT 1045 PM...
FERGUS FALLS AT 1050 PM AND
BATTLE LAKE AT 1055 PM.
* WINDS TO 70 MPH WINDS WAS REPORTED AT PELICAN RAPIDS AT 1038 PM.
REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE
TORNADOES WITH LITTLE OR NO ADVANCE WARNING.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM WEDNESDAY EVENING FOR
NORTHWEST MINNESOTA AND EASTERN NORTH DAKOTA.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 200 AM THURSDAY
MORNING FOR NORTHWESTERN MINNESOTA AND SOUTHEAST NORTH DAKOTA.
LAT...LON 4667 9524 4656 9599 4618 9626 4605 9515
4610 9490 4651 9410
$$
DTR/06
NNNNWhat 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 Aug 8, 9:11 PM CDT, 1 hour 26 minutes earlier.
Area forecast discussion, Aug 8, 9:11 PM CDT, 1 hour 26 minutes before
FORECAST DISCUSSION FOR EASTERN NORTH DAKOTA AND NORTHWEST MINNESOTA NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 911 PM CDT WED AUG 8 2001 ...DISCUSSION DELAYED DUE TO SEVERE WEATHER... ...MAIN FORECAST CHALLENGE THIS PACKAGE IS SVR CONVECTION WITH FROPA... .CURRENT OBSERVATIONAL OVERVIEW...INTENSE SVR TSTMS HAVE MOVED THROUGH THE GRAND FORKS METRO AREA. WIND GUSTS TO 101 MPH WERE RECORDED WITH THE WEATHER OFFICE HERE. BROKEN LINE OF SVR CELLS ARE ASSOCIATED WITH COLD FRONT MOVING THROUGH THE AREA. .SHORT TERM...WILL MAKE SHORT TERM ADJUSTMENTS TO ZONES TO ACCOUNT FOR CURRENT TSTM ACTIVITY. ZONES WILL AGAIN BE UPDATED WHEN WATCH STATUS CHANGES. .FGF...TORNADO WATCH 664 UNTIL 11 PM (DUE TO BE REVISED BY 10 PM) BRAMER
In the hours before
Local storm report, Aug 8, 7:22 PM CDT, 3 hours 15 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE EASTERN NORTH DAKOTA/GRAND FORKS
722 PM CDT WED AUG 08 2001
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0245 PM 6 NW PONSFORD MN 60 MPH TSTM GUST
08/08/01 BECKER
0339 PM AKELEY MN 62 MPH TSTM GUST
08/08/01 HUBBARD MEASURED MN DOT
ROADSIDE SITE
0340 PM PARK RAPIDS MN WIND DAMAGE
08/08/01 HUBBARD NUMEROUS TREES DOWN
0600 PM 2 SW MADDOCK ND 1 INCH HAIL
08/08/01 BENSON
0620 PM 4 SW ESMOND ND 1 INCH HAIL
08/08/01 BENSON
0620 PM 9 NW MADDOCK ND .88 INCH HAIL
08/08/01 BENSON 4 INCH DIAMETER TREE
BRANCHES ALSO DOWN
0623 PM 5 NE MADDOCK ND .75 INCH HAIL
08/08/01 BENSON 4 INCH DIAMETER TREE
BRANCHES ALSO DOWN
0640 PM 4 NW OBERON ND WIND DAMAGE
08/08/01 BENSON 2 TREES BLOWN DOWN
NNNNThe office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 8, 7:29 PM CDT | Severe Thunderstorm Warning | FGF | Marshall | 46 min |
| Aug 8, 8:18 PM CDT | Severe Thunderstorm Warning | FGF | Kittson, Marshall, Pennington, Polk, Roseau | 57 min |
| Aug 8, 8:18 PM CDT | Severe Thunderstorm Warning | FGF | Red Lake | 57 min |
| Aug 8, 8:47 PM CDT | Flash Flood Warning | FGF | Polk | 6 hr |
| Aug 8, 9:03 PM CDT | Severe Thunderstorm Warning | FGF | Norman | 42 min |
| Aug 8, 9:10 PM CDT | Severe Thunderstorm Warning | FGF | Clearwater, Mahnomen, Polk | 65 min |
| Aug 8, 9:10 PM CDT | Severe Thunderstorm Warning | FGF | Beltrami, Marshall, Pennington, Red Lake | 65 min |
| Aug 8, 9:18 PM CDT | Severe Thunderstorm Warning | FGF | Lake of the Woods | 42 min |
| Aug 8, 9:26 PM CDT | Severe Thunderstorm Warning | FGF | Clay | 64 min |
| Aug 8, 9:40 PM CDT | Flash Flood Warning | FGF | Norman | 6 hr |
| Aug 8, 9:46 PM CDT | Severe Thunderstorm Warning | FGF | Wilkin | 44 min |
| Aug 8, 9:47 PM CDT | Tornado Warning | FGF | Clearwater, Polk | 28 min |
| Aug 8, 10:00 PM CDT | Severe Thunderstorm Warning | FGF | Becker, Beltrami, Hubbard | 60 min |
| Aug 8, 10:13 PM CDT | Severe Thunderstorm Warning | FGF | Clearwater, Mahnomen | 47 min |
| Aug 8, 11:00 PM CDT | Severe Thunderstorm Warning | FGF | Hubbard | 30 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.