Alert archive / Minnesota / Tornado Warnings in 2007
Tornado Warning 42, NWS Grand Forks, ND
NWS Grand Forks, ND issued this tornado warning at Aug 26, 2007, 9:59 PM CDT for Marshall County, Minnesota. It was in force for 61 min. 1 report 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, 9:59 PM CDT (02:59 UTC)
- Expired
- Aug 26, 2007, 11:00 PM CDT
- In force
- 61 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), 140 km from the middle of the area, began a volume at 03:00 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, 10:15 PM CDT | HAIL 0.88 | 5 E Middle River, MN | 1.75 INCHES OF RAIN IN 15 MINUTES. |
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, 3.0 hours before the alert went out and 199 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 270259 TORFGF MNC089-270400- /O.NEW.KFGF.TO.W.0042.070827T0259Z-070827T0400Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 959 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 1100 PM CDT * AT 959 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 4 MILES SOUTH OF MIDDLE RIVER...OR 18 MILES NORTH OF THIEF RIVER FALLS...MOVING TO THE EAST AT 30 MPH. * THE TORNADO WILL BE NEAR... GATZKE AT 1030 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 4848 9623 4831 9621 4830 9561 4852 9569 $$ DK/CS
3 follow-up statements
000 WWUS53 KFGF 270307 SVSFGF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 1007 PM CDT SUN AUG 26 2007 MNC089-270400- /O.CON.KFGF.TO.W.0042.000000T0000Z-070827T0400Z/ MARSHALL MN- 1007 PM CDT SUN AUG 26 2007 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1100 PM CDT FOR NORTHEASTERN MARSHALL COUNTY... AT 1007 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THE TORNADO WAS LOCATED 7 MILES SOUTHEAST OF MIDDLE RIVER...OR 19 MILES NORTH OF THIEF RIVER FALLS...MOVING TO THE EAST AT 30 MPH. WEATHER SPOTTERS REPORTED A FUNNEL CLOUD WITH THIS STORM 1 MILE SOUTHEAST OF NEWFOLDEN AT 955 PM CDT. * THE TORNADO WILL BE NEAR... GATZKE BY 1020 PM CDT... IF YOU ARE IN THE PATH OF THIS TORNADO ABANDON CARS AND MOBILE HOMES FOR A STURDY BUILDING. A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT SUNDAY EVENING FOR NORTHWESTERN MINNESOTA. LAT...LON 4848 9623 4831 9621 4830 9561 4852 9566 $$ DK/CS
000 WWUS53 KFGF 270326 SVSFGF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 1025 PM CDT SUN AUG 26 2007 MNC089-270400- /O.CON.KFGF.TO.W.0042.000000T0000Z-070827T0400Z/ MARSHALL MN- 1025 PM CDT SUN AUG 26 2007 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1100 PM CDT FOR EAST CENTRAL MARSHALL COUNTY... AT 1025 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THE TORNADO WAS LOCATED 7 MILES SOUTHEAST OF MIDDLE RIVER...OR 18 MILES NORTH OF THIEF RIVER FALLS...MOVING EAST AT 30 MPH. * THE TORNADO WILL BE ABOUT... 5 MILES SOUTHEAST OF MIDDLE RIVER BY 1100 PM CDT... THIS STORM IS ALSO CAPABLE OF PRODUCING LARGE HAIL AND DAMAGING WINDS. 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 4848 9623 4831 9621 4830 9561 4851 9565 $$ DK/CS
000 WWUS53 KFGF 270354 SVSFGF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 1054 PM CDT SUN AUG 26 2007 MNC089-270404- /O.EXP.KFGF.TO.W.0042.000000T0000Z-070827T0400Z/ MARSHALL MN- 1054 PM CDT SUN AUG 26 2007 ...THE TORNADO WARNING FOR EAST CENTRAL MARSHALL COUNTY WILL EXPIRE AT 1100 PM CDT... DOPPLER RADAR INDICATED THE STORM WAS NO LONGER SEVERE AND SO THE WARNING WILL BE ALLOWED TO EXPIRE AT 1100 PM CDT. A TORNADO WATCH REMAINS IN EFFECT UNTIL 1 AM CDT MONDAY MORNING FOR NORTHWESTERN MINNESOTA. LAT...LON 4848 9623 4831 9621 4830 9561 4851 9565 $$ 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, 8:57 PM CDT | Tornado Warning | FGF | Marshall | 63 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, 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.