Alert archive / Minnesota / Tornado Warnings in 2007

Tornado Warning 38, NWS Grand Forks, ND

August 26, 2007Kittson County, Marshall County, Minnesota

NWS Grand Forks, ND issued this tornado warning at Aug 26, 2007, 7:54 PM CDT for Kittson County, Marshall County, Minnesota. It was in force for 66 min. 6 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, 7:54 PM CDT (00:54 UTC)
Expired
Aug 26, 2007, 9:00 PM CDT
In force
66 min
Issued by
NWS Grand Forks, ND
Area
Counties, with a storm outline in the text

Counties Kittson County, MN, Marshall County, MN

The radar

The Fargo/Grand Forks radar (KMVX), 117 km from the middle of the area, began a volume at 00:54 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

TimeReportWhereRemark
Aug 26, 8:18 PM CDTTSTM WND GST 672 W Donaldson, MNREPORTED BY MNDOT RWIS
Aug 26, 8:43 PM CDTTSTM WND GST 65.58 Ene Stephen, MNMEASURED 65.5 MPH WINDS BY NDAWN WIND SENSOR.
Aug 26, 8:43 PM CDTTORNADO 12 Wsw Florian, MNTORNADO TRACKED FOR ROUGHLY 3 MILES TO ABOUT 1.2 MILES SOUTHEAST OF FLORIAN BY 849 PM CDT. THE TORNADO JUST BRUSHED THE NORTH SIDE OF THE MARSHALL COUNTY PARK. IT THEN TOOK THE ROOF OFF AND OLD GRANARY AND BLEW DOWN ANOTHER OLD BUILDING AT A VACANT FARMSITE AB
Aug 26, 8:47 PM CDTTORNADO18 N Warren, MNAPPROXIMATELY 6 WEST OF FLORIAN
Aug 26, 8:47 PM CDTTORNADO6 W Florian, MN
Aug 26, 9:00 PM CDTTORNADO1 S Florian, MNROOF OFF HOUSE...NUMEROUS TREES DOWN ON FARMSTEAD.

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.

IssuedProductOfficeLasted
Aug 26, 5:10 PM CDTTornado WatchSPC8 hr

The nearest sounding before it

International Fa, MN (KINL), launched 00:00Z, 0.9 hours before the alert went out and 260 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.

Skew-T log-pSkew-T log-p diagram, International Fa, MN at 00:00Z on 2007-08-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1237 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, International Fa, MN at 00:00Z on 2007-08-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 119 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
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

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WFUS53 KFGF 270055
TORFGF
MNC069-089-270200-
/O.NEW.KFGF.TO.W.0038.070827T0054Z-070827T0200Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
754 PM CDT SUN AUG 26 2007

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN KITTSON COUNTY IN NORTHWEST MINNESOTA...
  NORTHWESTERN MARSHALL COUNTY IN NORTHWEST MINNESOTA...

* UNTIL 900 PM CDT

* AT 754 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 6 MILES NORTH OF
  GRAFTON...MOVING TO THE EAST AT 30 MPH. THIS STORM PRODUCED A 
  CONFIRMED TORNADO 2 MILES NORTH OF NASH NORTH DAKOTA IN WALSH COUNTY
  AT 745 PM CDT.

* THE TORNADO WILL BE NEAR...
  DONALDSON AT 820 PM CDT...
  ENGLUND AT 835 PM CDT...
  5 MILES SOUTH OF HALMA AT 840 PM CDT...
  KARLSTAD AT 845 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 4858 9712 4835 9710 4840 9640 4872 9644

$$

DK/CS
4 follow-up statements
000 
WWUS53 KFGF 270118
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
818 PM CDT SUN AUG 26 2007

MNC069-089-270200-
/O.CON.KFGF.TO.W.0038.000000T0000Z-070827T0200Z/
KITTSON MN-MARSHALL MN-
818 PM CDT SUN AUG 26 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 900 PM CDT FOR
SOUTHEASTERN KITTSON AND NORTHWESTERN MARSHALL COUNTIES...

AT 818 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THE TORNADO WAS LOCATED
5 MILES WEST OF STEPHEN...OR 20 MILES EAST OF GRAFTON...MOVING TO THE
NORTHEAST AT 30 MPH.

* THE TORNADO WILL BE NEAR...
  DONALDSON BY 825 PM CDT...
  ENGLUND AND 10 MILES NORTHWEST OF FLORIAN BY 835 PM CDT...
  HALMA BY 845 PM CDT...
  KARLSTAD AND 10 MILES NORTHWEST OF STRANDQUIST BY 850 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 4858 9712 4835 9710 4840 9640 4872 9644

$$

DK/CS
000 
WWUS53 KFGF 270125
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
825 PM CDT SUN AUG 26 2007

MNC069-089-270200-
/O.CON.KFGF.TO.W.0038.000000T0000Z-070827T0200Z/
KITTSON MN-MARSHALL MN-
825 PM CDT SUN AUG 26 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 900 PM CDT FOR
SOUTHEASTERN KITTSON AND NORTHWESTERN MARSHALL COUNTIES...

AT 825 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THE TORNADO WAS LOCATED
NEAR STEPHEN...OR 23 MILES EAST OF GRAFTON...MOVING TO THE EAST AT 30
MPH.

* THE TORNADO WILL BE NEAR...
  ENGLUND AND FLORIAN BY 835 PM CDT...
  STRANDQUIST AND KARLSTAD BY 845 PM CDT...

IF YOU ARE IN THE PATH OF THIS TORNADO ABANDON CARS AND MOBILE HOMES
FOR A STURDY BUILDING.

THIS STORM WILL ALSO PRODUCE LARGE HAIL AND DAMAGING WINDS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT SUNDAY EVENING
FOR NORTHWESTERN MINNESOTA.

LAT...LON 4858 9712 4835 9710 4840 9640 4872 9644

$$

DK/CS
000 
WWUS53 KFGF 270131
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
830 PM CDT SUN AUG 26 2007

MNC069-089-270200-
/O.CON.KFGF.TO.W.0038.000000T0000Z-070827T0200Z/
KITTSON MN-MARSHALL MN-
830 PM CDT SUN AUG 26 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 900 PM CDT FOR
SOUTHEASTERN KITTSON AND NORTHWESTERN MARSHALL COUNTIES...

AT 830 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THE TORNADO WAS LOCATED
NEAR STEPHEN...OR 25 MILES EAST OF GRAFTON...MOVING TO THE EAST AT 30
MPH. PERSONS IN AND NEAR STEPHEN NEED TO SEEK SHELTER IMMEDIATELY.

* THE TORNADO WILL BE NEAR...
  ENGLUND AND FLORIAN BY 845 PM CDT...
  STRANDQUIST AND KARLSTAD BY 900 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 4858 9712 4835 9710 4840 9640 4872 9644

$$

DK/CS
000 
WWUS53 KFGF 270145
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
844 PM CDT SUN AUG 26 2007

MNC069-089-270200-
/O.CON.KFGF.TO.W.0038.000000T0000Z-070827T0200Z/
KITTSON MN-MARSHALL MN-
844 PM CDT SUN AUG 26 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 900 PM CDT FOR
SOUTHEASTERN KITTSON AND NORTH CENTRAL MARSHALL COUNTIES...

AT 844 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THE TORNADO WAS LOCATED
4 MILES WEST OF FLORIAN...OR 32 MILES EAST OF GRAFTON...MOVING TO THE
EAST AT 30 MPH. THIS IS A VERY DANGEROUS STORM.

* THE TORNADO WILL BE NEAR...
  STRANDQUIST AND 5 MILES SOUTH OF KARLSTAD BY 855 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 4860 9705 4836 9689 4840 9640 4872 9644

$$
DK/CS

The office that day

Everything else NWS Grand Forks, ND issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 26, 7:37 PM CDTTornado WarningFGFKittson53 min
Aug 26, 8:54 PM CDTSevere Thunderstorm WarningFGFKittson, Roseau66 min
Aug 26, 8:57 PM CDTTornado WarningFGFMarshall63 min
Aug 26, 9:26 PM CDTSevere Thunderstorm WarningFGFPolk64 min
Aug 26, 9:44 PM CDTSevere Thunderstorm WarningFGFPolk61 min
Aug 26, 9:51 PM CDTTornado WarningFGFPolk54 min
Aug 26, 9:59 PM CDTTornado WarningFGFMarshall61 min
Aug 26, 10:19 PM CDTSevere Thunderstorm WarningFGFPennington, Red Lake56 min
Aug 26, 10:45 PM CDTSevere Thunderstorm WarningFGFPolk60 min
Aug 26, 11:05 PM CDTSevere Thunderstorm WarningFGFBeltrami, Clearwater55 min
Aug 26, 11:12 PM CDTSevere Thunderstorm WarningFGFNorman63 min
Aug 26, 11:44 PM CDTSevere Thunderstorm WarningFGFPolk61 min
Aug 26, 11:55 PM CDTSevere Thunderstorm WarningFGFBeltrami51 min
Aug 26, 11:58 PM CDTSevere Thunderstorm WarningFGFMahnomen62 min
Aug 27, 12:38 AM CDTSevere Thunderstorm WarningFGFClearwater37 min
Aug 27, 1:36 PM CDTSevere Thunderstorm WarningFGFGrant39 min
Aug 27, 2:54 PM CDTSevere Thunderstorm WarningFGFBecker, Otter Tail51 min
Aug 27, 3:40 PM CDTSevere Thunderstorm WarningFGFBecker, Otter Tail, Wadena50 min
Aug 27, 3:50 PM CDTSevere Thunderstorm WarningFGFBecker55 min
Aug 27, 5:15 PM CDTSevere Thunderstorm WarningFGFHubbard30 min
Aug 27, 5:45 PM CDTSevere Thunderstorm WarningFGFBecker30 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.