Alert archive / Minnesota / Tornado Warnings in 2007

Tornado Warning 10, NWS Grand Forks, ND

June 7, 2007Otter Tail County, Minnesota

NWS Grand Forks, ND issued this tornado warning at Jun 7, 2007, 1:38 PM CDT for Otter Tail County, Minnesota. It was in force for 56 min. 3 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
Jun 7, 2007, 1:38 PM CDT (18:38 UTC)
Expired
Jun 7, 2007, 2:34 PM CDT
In force
56 min
Issued by
NWS Grand Forks, ND
Area
Counties, with a storm outline in the text

County Otter Tail County, MN

The radar

The Fargo/Grand Forks radar (KMVX), 159 km from the middle of the area, began a volume at 18:40 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

TimeReportWhereRemark
Jun 7, 1:41 PM CDTTORNADO 11 Wsw Elizabeth, MNA TORNADO TOUCHED DOWN JUST SOUTH OF COUNTY ROAD 10 TO THE WEST OF ELIZABETH...AND TRACKED NNE FOR ABOUT 6 MILES TO AROUND 2 MILES SOUTH OF ERHARD BY 152 PM CDT. SEVERAL TREES WERE TORN DOWN AND A FEW POWER POLES WERE SNAPPED. SPOTTERS NOTED THAT THE TORNADO W
Jun 7, 1:41 PM CDTTORNADO1 Wsw Elizabeth, MNPRELIMINARY REPORTS INDICATE THAT A TORNADO TOUCHED DOWN JUST SOUTH OF COUNTY ROAD 10 TO THE WEST OF ELIZABETH...AND TRACKED NNE FOR ABOUT 6 MILES TO AROUND 2 MILES SOUTH OF ERHARD BY 150 PM CDT. SEVERAL TREES WERE TORN DOWN AND A FEW POWER POLES WERE SNAPPED.
Jun 7, 2:12 PM CDTHAIL 0.755 E Fergus Falls, MN

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
Jun 7, 11:11 AM CDTTornado WatchSPC7 hr

The nearest sounding before it

Aberdeen, SD (KABR), launched 12:00Z, 6.6 hours before the alert went out and 242 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, Aberdeen, SD at 12:00Z on 2007-06-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 26 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, Aberdeen, SD at 12:00Z on 2007-06-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -88 square meters per square second.1939587897Sfc1 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
26 J/kg
Mixed-layer CIN
-395 J/kg
Mixed-layer LCL
842 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
-88 m²/s²
0-3 km storm-relative helicity
-101 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KFGF 071839
TORFGF
MNC111-071945-
/O.NEW.KFGF.TO.W.0010.070607T1838Z-070607T1945Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
138 PM CDT THU JUN 7 2007

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* TORNADO WARNING FOR...
  WEST CENTRAL OTTER TAIL COUNTY IN WEST CENTRAL MINNESOTA...
  THIS INCLUDES THE CITY OF FERGUS FALLS...

* UNTIL 245 PM CDT

* AT 136 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
A   SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR 
FOXHOME...OR 10 MILES WEST OF FERGUS FALLS...MOVING TO THE EAST AT   
30 MPH.

* THE TORNADO WILL BE NEAR...
  FERGUS FALLS AT 150 PM CDT...
  UNDERWOOD AT 210 PM CDT...
  PHELPS AT 215 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 600 PM CDT THURSDAY EVENING
FOR NORTHWESTERN MINNESOTA.

LAT...LON 4646 9626 4632 9626 4619 9625 4621 9578
      4654 9580

$$

GUST/BARRETT
4 follow-up statements
000 
WWUS53 KFGF 071846
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
146 PM CDT THU JUN 7 2007

MNC111-071945-
/O.CON.KFGF.TO.W.0010.000000T0000Z-070607T1945Z/
OTTER TAIL MN-
146 PM CDT THU JUN 7 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 245 PM CDT FOR WEST
CENTRAL OTTER TAIL COUNTY...

AT 145 PM CDT...THE PUBLIC REPORTED A TORNADO. THE TORNADO WAS
LOCATED NEAR ELIZABETH...OR 9 MILES NORTH OF FERGUS FALLS...MOVING TO
THE NORTHEAST AT 25 MPH.

* THE TORNADO WILL BE NEAR...
  ERHARD BY 155 PM CDT...
  EDWARDS BY 200 PM CDT...
  8 MILES NORTHWEST OF PHELPS BY 215 PM CDT...
  STAR LAKE BY 220 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 600 PM CDT THURSDAY EVENING
FOR NORTHWESTERN MINNESOTA.

LAT...LON 4646 9626 4632 9626 4619 9625 4621 9578
      4654 9580

$$

GUST
000 
WWUS53 KFGF 071905
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
204 PM CDT THU JUN 7 2007

MNC111-071945-
/O.CON.KFGF.TO.W.0010.000000T0000Z-070607T1945Z/
OTTER TAIL MN-
204 PM CDT THU JUN 7 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 245 PM CDT FOR WESTERN
OTTER TAIL COUNTY...

AT 201 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THE TORNADO WAS LOCATED
NEAR MAPLEWOOD STATE PARK...OR 18 MILES NORTH OF FERGUS FALLS...
MOVING TO THE NORTHEAST AT 35 MPH.

* THE TORNADO WILL BE NEAR...
  STAR LAKE BY 210 PM CDT...
  VERGAS BY 215 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 600 PM CDT THURSDAY EVENING
FOR NORTHWESTERN MINNESOTA.

LAT...LON 4656 9625 4632 9626 4619 9625 4621 9578
      4669 9580

$$

GUST/BARRETT
000 
WWUS53 KFGF 071916
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
216 PM CDT THU JUN 7 2007

MNC111-071945-
/O.CON.KFGF.TO.W.0010.000000T0000Z-070607T1945Z/
OTTER TAIL MN-
216 PM CDT THU JUN 7 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 245 PM CDT FOR WESTERN
OTTER TAIL COUNTY...

AT 214 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THE TORNADO WAS LOCATED
3 MILES WEST OF VERGAS...OR 11 MILES SOUTH OF DETROIT LAKES...MOVING
TO THE NORTHEAST AT 60 MPH.

IN VERGAS...SPOTTERS REPORTED PENNY SIZED HAIL.

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 600 PM CDT THURSDAY EVENING
FOR NORTHWESTERN MINNESOTA.

LAT...LON 4656 9625 4632 9626 4619 9625 4621 9578
      4671 9574 4670 9602

$$

GUST/BARRETT
000 
WWUS53 KFGF 071934
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
233 PM CDT THU JUN 7 2007

MNC111-071943-
/O.CAN.KFGF.TO.W.0010.000000T0000Z-070607T1945Z/
OTTER TAIL MN-
233 PM CDT THU JUN 7 2007

...THE TORNADO WARNING FOR WESTERN OTTER TAIL COUNTY IS CANCELLED...

AT 233 PM CDT...THE TORNADIC THUNDERSTORM MOVED OUT OF WESTERN OTTER 
TAIL COUNTY. SO THE WARNING HAS BEEN CANCELLED.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 600 PM CDT THURSDAY EVENING
FOR NORTHWESTERN MINNESOTA.

LAT...LON 4656 9625 4632 9626 4619 9625 4621 9578
      4671 9574 4670 9602

$$

GUST

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 6, 10:21 PM CDTSevere Thunderstorm WarningFGFPennington43 min
Jun 7, 4:10 AM CDTWind AdvisoryFGFClay, Kittson, Marshall, Norman, Polk, Wilkin17 hr
Jun 7, 12:56 PM CDTTornado WarningFGFWilkin64 min
Jun 7, 1:14 PM CDTSevere Thunderstorm WarningFGFBeltrami28 min
Jun 7, 2:23 PM CDTSevere Thunderstorm WarningFGFBecker67 min
Jun 7, 2:51 PM CDTSevere Thunderstorm WarningFGFMahnomen54 min
Jun 7, 3:01 PM CDTSevere Thunderstorm WarningFGFBeltrami45 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.