Alert archive / Minnesota / Tornado Warnings in 2007
Tornado Warning 40, NWS Grand Forks, ND
NWS Grand Forks, ND issued this tornado warning at Aug 26, 2007, 8:57 PM CDT for Marshall County, Minnesota. It was in force for 63 min. 5 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Aug 26, 2007, 8:57 PM CDT (01:57 UTC)
- Expired
- Aug 26, 2007, 10:00 PM CDT
- In force
- 63 min
- Issued by
- NWS Grand Forks, ND
- Area
- Counties, with a storm outline in the text
County Marshall County, MN
The radar
The Fargo/Grand Forks radar (KMVX), 131 km from the middle of the area, began a volume at 01:57 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 26, 9:00 PM CDT | TORNADO | 1 S Florian, MN | ROOF OFF HOUSE...NUMEROUS TREES DOWN ON FARMSTEAD. |
| Aug 26, 9:20 PM CDT | HAIL 1.5 | 6 W Middle River, MN | |
| Aug 26, 9:44 PM CDT | TSTM WND DMG | Middle River, MN | 3 TO 5 INCH DIAMETER TREE BRANCHES DOWN AND 1/2 INCH HAIL |
| Aug 26, 9:55 PM CDT | FUNNEL CLOUD | 1 Se Newfolden, MN | REPORTED BY SPOOTERS NEAR VIKING LOOKING NORTHEAST |
| Aug 26, 9:55 PM CDT | FUNNEL CLOUD | 1 Se Newfolden, MN | REPORTED BY SPOTTERS NEAR VIKING MN WHO WERE LOOKING TO THE NORTHEAST. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
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 26, 5:10 PM CDT | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
International Fa, MN (KINL), launched 00:00Z, 2.0 hours before the alert went out and 217 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
- 1237 J/kg
- Mixed-layer CIN
- -77 J/kg
- Mixed-layer LCL
- 1460 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 119 m²/s²
- 0-3 km storm-relative helicity
- 206 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 7.5
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS53 KFGF 270157 TORFGF MNC089-270300- /O.NEW.KFGF.TO.W.0040.070827T0157Z-070827T0300Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 857 PM CDT SUN AUG 26 2007 THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A * TORNADO WARNING FOR... NORTHEASTERN MARSHALL COUNTY IN NORTHWEST MINNESOTA... * UNTIL 1000 PM CDT * AT 857 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 2 MILES EAST OF FLORIAN...OR 29 MILES NORTHWEST OF THIEF RIVER FALLS...MOVING TO THE EAST AT 30 MPH. THIS STORM IS CAPABLE OF PRODUCING A LARGE AND DANGEROUS TORNADO AT ANY TIME. * THE TORNADO WILL BE ABOUT... 5 MILES NORTH OF NEWFOLDEN AT 905 PM CDT... MIDDLE RIVER AT 915 PM CDT... GATZKE AT 940 PM CDT... IF YOU ARE IN THE PATH OF THIS TORNADO ABANDON CARS AND MOBILE HOMES FOR A STURDY BUILDING. A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT SUNDAY EVENING FOR NORTHWESTERN MINNESOTA. LAT...LON 4853 9666 4835 9664 4833 9560 4853 9565 $$ DK/CS
4 follow-up statements
000 WWUS53 KFGF 270200 SVSFGF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 859 PM CDT SUN AUG 26 2007 MNC089-270300- /O.CON.KFGF.TO.W.0040.000000T0000Z-070827T0300Z/ MARSHALL MN- 859 PM CDT SUN AUG 26 2007 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1000 PM CDT FOR NORTHEASTERN MARSHALL COUNTY... AT 859 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THE TORNADO WAS LOCATED 4 MILES EAST OF FLORIAN...OR 28 MILES NORTHWEST OF THIEF RIVER FALLS...MOVING TO THE EAST AT 30 MPH. THIS STORM PRODUCED A CONFIRMED TORNADO NEAR FLORIAN AT 847 PM CDT. * THE TORNADO WILL BE ABOUT... 5 MILES NORTH OF NEWFOLDEN BY 905 PM CDT... MIDDLE RIVER BY 915 PM CDT... GATZKE BY 930 PM CDT... THIS IS A VERY DANGEROUS SITUATION. A LARGE AND DANGEROUS TORNADO IS POSSIBLE WITH THIS STORM. SEEK SHELTER IMMEDIATELY IF YOU ARE IN THE PATH OF THIS TORNADO ABANDON CARS AND MOBILE HOMES FOR A STURDY BUILDING. A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT SUNDAY EVENING FOR NORTHWESTERN MINNESOTA. LAT...LON 4853 9666 4835 9664 4833 9560 4853 9565 $$ DK/CS
000 WWUS53 KFGF 270211 SVSFGF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 911 PM CDT SUN AUG 26 2007 MNC089-270300- /O.CON.KFGF.TO.W.0040.000000T0000Z-070827T0300Z/ MARSHALL MN- 911 PM CDT SUN AUG 26 2007 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1000 PM CDT FOR NORTHEASTERN MARSHALL COUNTY... AT 911 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THE TORNADO WAS LOCATED 5 MILES SOUTH OF STRANDQUIST...OR 24 MILES NORTHWEST OF THIEF RIVER FALLS...MOVING TO THE EAST AT 30 MPH. THIS STORM HAS A HISTORY OF PRODUCING A TORNADO...AND REMAINS CAPABLE OF PRODUCING A LARGE AND VERY DANGEROUS TORNADO AT ANY TIME. * THE TORNADO WILL BE NEAR... NEWFOLDEN BY 915 PM CDT... MIDDLE RIVER BY 935 PM CDT... GATZKE BY 1000 PM CDT... DO NOT WAIT UNTIL YOU SEE OR HEAR THE TORNADO BEFORE MOVING TO SHELTER. IF YOU ARE IN THE PATH OF THIS TORNADO ABANDON CARS AND MOBILE HOMES FOR A STURDY BUILDING. A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT SUNDAY EVENING FOR NORTHWESTERN MINNESOTA. LAT...LON 4853 9666 4835 9664 4833 9560 4853 9565 $$ DK/CS
000 WWUS53 KFGF 270223 SVSFGF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 923 PM CDT SUN AUG 26 2007 MNC089-270300- /O.CON.KFGF.TO.W.0040.000000T0000Z-070827T0300Z/ MARSHALL MN- 923 PM CDT SUN AUG 26 2007 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1000 PM CDT FOR NORTHEASTERN MARSHALL COUNTY... AT 923 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THE TORNADO WAS LOCATED 4 MILES WEST OF MIDDLE RIVER...OR 22 MILES NORTH OF THIEF RIVER FALLS...MOVING TO THE EAST AT 30 MPH. * THE TORNADO WILL BE NEAR... GATZKE BY 940 PM CDT... DO NOT WAIT UNTIL YOU CAN SEE OR HEAR THE TORNADO BEFORE SEEKING SHELTER. IF YOU ARE IN THE PATH OF THIS TORNADO ABANDON CARS AND MOBILE HOMES FOR A STURDY BUILDING. A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT SUNDAY EVENING FOR NORTHWESTERN MINNESOTA. LAT...LON 4853 9666 4835 9664 4833 9560 4853 9565 $$ DK/CS
000 WWUS53 KFGF 270249 SVSFGF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 948 PM CDT SUN AUG 26 2007 MNC089-270300- /O.CON.KFGF.TO.W.0040.000000T0000Z-070827T0300Z/ MARSHALL MN- 948 PM CDT SUN AUG 26 2007 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1000 PM CDT FOR NORTHEASTERN MARSHALL COUNTY... AT 948 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THE TORNADO WAS LOCATED 5 MILES EAST OF MIDDLE RIVER...OR 23 MILES NORTH OF THIEF RIVER FALLS...MOVING TO THE EAST AT 30 MPH. * THE TORNADO WILL BE NEAR... GATZKE BY 955 PM CDT... THIS STORM IS ALSO CAPABLE OF PRODUCING LARGE HAIL AND DAMAGING WINDS. TREE BRANCHES WERE REPORTED DOWN IN MIDDLE RIVER AT 944 PM CDT. IF YOU ARE IN THE PATH OF THIS TORNADO ABANDON CARS AND MOBILE HOMES FOR A STURDY BUILDING. A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT SUNDAY EVENING FOR NORTHWESTERN MINNESOTA. LAT...LON 4851 9643 4836 9649 4833 9560 4853 9565 $$ DK/CS
The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 26, 7:37 PM CDT | Tornado Warning | FGF | Kittson | 53 min |
| Aug 26, 7:54 PM CDT | Tornado Warning | FGF | Kittson, Marshall | 66 min |
| Aug 26, 8:54 PM CDT | Severe Thunderstorm Warning | FGF | Kittson, Roseau | 66 min |
| Aug 26, 9:26 PM CDT | Severe Thunderstorm Warning | FGF | Polk | 64 min |
| Aug 26, 9:44 PM CDT | Severe Thunderstorm Warning | FGF | Polk | 61 min |
| Aug 26, 9:51 PM CDT | Tornado Warning | FGF | Polk | 54 min |
| Aug 26, 9:59 PM CDT | Tornado Warning | FGF | Marshall | 61 min |
| Aug 26, 10:19 PM CDT | Severe Thunderstorm Warning | FGF | Pennington, Red Lake | 56 min |
| Aug 26, 10:45 PM CDT | Severe Thunderstorm Warning | FGF | Polk | 60 min |
| Aug 26, 11:05 PM CDT | Severe Thunderstorm Warning | FGF | Beltrami, Clearwater | 55 min |
| Aug 26, 11:12 PM CDT | Severe Thunderstorm Warning | FGF | Norman | 63 min |
| Aug 26, 11:44 PM CDT | Severe Thunderstorm Warning | FGF | Polk | 61 min |
| Aug 26, 11:55 PM CDT | Severe Thunderstorm Warning | FGF | Beltrami | 51 min |
| Aug 26, 11:58 PM CDT | Severe Thunderstorm Warning | FGF | Mahnomen | 62 min |
| Aug 27, 12:38 AM CDT | Severe Thunderstorm Warning | FGF | Clearwater | 37 min |
| Aug 27, 1:36 PM CDT | Severe Thunderstorm Warning | FGF | Grant | 39 min |
| Aug 27, 2:54 PM CDT | Severe Thunderstorm Warning | FGF | Becker, Otter Tail | 51 min |
| Aug 27, 3:40 PM CDT | Severe Thunderstorm Warning | FGF | Becker, Otter Tail, Wadena | 50 min |
| Aug 27, 3:50 PM CDT | Severe Thunderstorm Warning | FGF | Becker | 55 min |
| Aug 27, 5:15 PM CDT | Severe Thunderstorm Warning | FGF | Hubbard | 30 min |
| Aug 27, 5:45 PM CDT | Severe Thunderstorm Warning | FGF | Becker | 30 min |
Nearby
Tornado Warnings in Minnesota, 2007Every tornado warning in 2007Tornadoes in 2007
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.