Alert archive / Minnesota / Tornado Warnings in 2006

Tornado Warning 32, NWS Grand Forks, ND

August 5, 2006Roseau County, Minnesota

NWS Grand Forks, ND issued this tornado warning at Aug 5, 2006, 6:59 PM CDT for Roseau County, Minnesota. It was in force for 46 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 5, 2006, 6:59 PM CDT (23:59 UTC)
Expired: Aug 5, 2006, 7:45 PM CDT
In force: 46 min
Issued by: NWS Grand Forks, ND
Area: Counties, with a storm outline in the text

County Roseau County, MN

The radar

The Fargo/Grand Forks radar (KMVX), 204 km from the middle of the area, began a volume at 00:02 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 5, 7:02 PM CDT	TORNADO 3	1 Wnw Warroad, MN	TORNADO NUMBER 2 OF A SERIES TRACKED EAST BY SOUTHEAST FOR NEARLY 3 MILES ACROSS THE NORTHERN PART OF WARROAD. THE MAIN TORNADO APPEARED TO HAVE TOUCHED DOWN ABOUT A MILE WEST OF THE MARVIN WINDOWS PLANT COMPLEX AT THE NORTHWEST CORNER OF WARROAD. THE TORNADO

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 5, 2:00 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

International Fa, MN (KINL), launched 12:00Z, 12.0 hours before the alert went out and 170 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 411 J/kg
Mixed-layer CIN: -217 J/kg
Mixed-layer LCL: 1202 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 47 m²/s²
0-3 km storm-relative helicity: 102 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KFGF 052359
TORFGF
MNC135-060045-
/O.NEW.KFGF.TO.W.0032.060805T2359Z-060806T0045Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
659 PM CDT SAT AUG 5 2006

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN ROSEAU COUNTY IN NORTHWEST MINNESOTA

* UNTIL 745 PM CDT

* AT 658 PM CDT...WEATHER SPOTTERS REPORTED A TORNADO 5 MILES
  NORTHWEST OF WARROAD...OR 18 MILES NORTHEAST OF ROSEAU...MOVING TO
  THE EAST AT 20 MPH.

* THE TORNADO WILL BE NEAR...
  WARROAD AT 705 PM CDT

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

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM CDT
SATURDAY EVENING FOR NORTHWESTERN MINNESOTA AND EASTERN NORTH DAKOTA.

LAT...LON 4897 9571 4885 9568 4886 9531 4899 9534

$$
GV

1 follow-up statement

000 
WWUS53 KFGF 060025
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
724 PM CDT SAT AUG 5 2006

MNC077-060045-
/O.CON.KFGF.TO.W.0032.000000T0000Z-060806T0045Z/
LAKE OF THE WOODS MN-
724 PM CDT SAT AUG 5 2006

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM CDT FOR CENTRAL
LAKE OF THE WOODS COUNTY...

AT 719 PM CDT...WEATHER SPOTTERS REPORTED A TORNADO NEAR WARROD.
THE TORNADO WAS LOCATED 5 MILES WEST OF ARNESEN...OR 27 MILES EAST 
OF ROSEAU...MOVING TO THE EAST AT 20 MPH.

THE TORNADO WILL BE NEAR...
  ARNESEN BY 730 PM CDT
  LONG POINT BY 745 PM CDT

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

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM CDT
SATURDAY EVENING FOR NORTHWESTERN MINNESOTA AND EASTERN NORTH DAKOTA.

LAT...LON 4897 9528 4891 9524 4894 9483 4915 9512
      4900 9512

$$
GV

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 5, 1:56 PM CDT	Severe Thunderstorm Warning	FGF	Clay	45 min
Aug 5, 5:28 PM CDT	Severe Thunderstorm Warning	FGF	Roseau	47 min
Aug 5, 6:07 PM CDT	Tornado Warning	FGF	Roseau	38 min
Aug 5, 6:16 PM CDT	Severe Thunderstorm Warning	FGF	Polk, Red Lake	32 min
Aug 5, 6:44 PM CDT	Tornado Warning	FGF	Roseau	31 min

Nearby

Tornado Warnings in Minnesota, 2006 Every tornado warning in 2006 Tornadoes in 2006

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.