Alert archive / Minnesota / Tornado Warnings in 2006

Tornado Warning 42, NWS Grand Forks, ND

August 16, 2006Roseau County, Minnesota

NWS Grand Forks, ND issued this tornado warning at Aug 16, 2006, 5:32 PM CDT for Roseau County, Minnesota. It was in force for 58 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 16, 2006, 5:32 PM CDT (22:32 UTC)
Expired
Aug 16, 2006, 6:30 PM CDT
In force
58 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), 175 km from the middle of the area, began a volume at 22:33 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 16, 6:00 PM CDTTORNADO9 W Ross, MNNWS STORM SURVEY CONFIRMED AN F0 TORNADO WITH AN INTERMITTENT 3 MILE TRACK FROM 9W ROSS TO 6WSW ROSS.

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 16, 3:50 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

International Fa, MN (KINL), launched 12:00Z, 10.5 hours before the alert went out and 219 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 12:00Z on 2006-08-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 2006-08-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 59 square meters per square second.193958Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1283 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
59 m²/s²
0-3 km storm-relative helicity
218 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 162232
TORFGF
MNC135-162330-
/O.NEW.KFGF.TO.W.0042.060816T2232Z-060816T2330Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
532 PM CDT WED AUG 16 2006

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

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

* UNTIL 630 PM CDT

* AT 529 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE
  THUNDERSTORM WITH STRONG ROTATION 7 MILES SOUTHEAST OF CARIBOU...OR
  27 MILES WEST OF ROSEAU...MOVING TO THE NORTHEAST AT 35 MPH.

* THE TORNADO WILL BE NEAR...
  RURAL NORTHERN ROSEAU COUNTY AT 550 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 1100 PM CDT
WEDNESDAY EVENING FOR NORTHWESTERN MINNESOTA AND EASTERN NORTH
DAKOTA.

LAT...LON 4899 9639 4881 9637 4886 9603 4899 9604

$$

DK/BB
4 follow-up statements
000 
WWUS53 KFGF 162244
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
544 PM CDT WED AUG 16 2006

MNC135-162330-
/O.CON.KFGF.TO.W.0042.000000T0000Z-060816T2330Z/
ROSEAU MN-
544 PM CDT WED AUG 16 2006

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM CDT FOR
NORTHWESTERN ROSEAU COUNTY...

AT 541 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE
THUNDERSTORM WITH STRONG ROTATION. THE TORNADO WAS LOCATED 9 MILES
WEST OF PINECREEK...OR 18 MILES WEST OF ROSEAU...MOVING TO THE EAST
AT 30 MPH.

* THE TORNADO WILL BE NEAR...
  PINECREEK AND ROSS BY 550 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 1100 PM CDT
WEDNESDAY EVENING FOR NORTHWESTERN MINNESOTA AND EASTERN NORTH
DAKOTA.

LAT...LON 4899 9639 4884 9632 4892 9567 4899 9567

$$

DK/BB
000 
WWUS53 KFGF 162257
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
557 PM CDT WED AUG 16 2006

MNC135-162330-
/O.CON.KFGF.TO.W.0042.000000T0000Z-060816T2330Z/
ROSEAU MN-
557 PM CDT WED AUG 16 2006

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM CDT FOR NORTH
CENTRAL ROSEAU COUNTY...

AT 554 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE
THUNDERSTORM WITH STRONG ROTATION. THE TORNADO WAS LOCATED 3 MILES
NORTHWEST OF ROSS...OR 11 MILES NORTHWEST OF ROSEAU...MOVING TO THE
EAST AT 35 MPH.

* THE TORNADO WILL BE NEAR...
  RURAL NORTHERN ROSEAU COUNTY AT 610 PM CDT
  RURAL NORTHEASTERN ROSEAU COUNTY AT 630 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 1100 PM CDT
WEDNESDAY EVENING FOR NORTHWESTERN MINNESOTA AND EASTERN NORTH
DAKOTA.

LAT...LON 4899 9604 4889 9611 4895 9534 4900 9533
      4900 9538

$$

DK/BB
000 
WWUS53 KFGF 162309
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
608 PM CDT WED AUG 16 2006

MNC135-162330-
/O.CON.KFGF.TO.W.0042.000000T0000Z-060816T2330Z/
ROSEAU MN-
608 PM CDT WED AUG 16 2006

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM CDT FOR NORTH
CENTRAL ROSEAU COUNTY...

AT 603 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE
THUNDERSTORM WITH STRONG ROTATION. THE TORNADO WAS LOCATED 3 MILES
NORTHEAST OF ROSS...OR 7 MILES NORTHWEST OF ROSEAU...MOVING TO THE
EAST AT 35 MPH.

* THE TORNADO WILL BE NEAR...
  HIGHWAY 310 AT 620 PM CDT
  HIGHWAY 313 AT 630 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 1100 PM CDT
WEDNESDAY EVENING FOR NORTHWESTERN MINNESOTA AND EASTERN NORTH
DAKOTA.

LAT...LON 4899 9604 4889 9611 4895 9534 4900 9533
      4900 9538

$$

DK/BB
000 
WWUS53 KFGF 162329
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
628 PM CDT WED AUG 16 2006

MNC135-162338-
/O.EXP.KFGF.TO.W.0042.000000T0000Z-060816T2330Z/
ROSEAU MN-
628 PM CDT WED AUG 16 2006

...THE TORNADO WARNING FOR NORTH CENTRAL ROSEAU COUNTY WILL EXPIRE AT
630 PM CDT...

DOPPLER RADAR INDICATED THE STORM WAS NO LONGER SEVERE AND SO THE 
WARNING WILL BE ALLOWED TO EXPIRE AT 630 PM CDT. HOWEVER...WIND 
GUSTS TO 50 MPH ARE STILL POSSIBLE WITH THE THUNDERSTORM AS IT MOVES 
NORTH INTO CANADA.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT
WEDNESDAY EVENING FOR NORTHWESTERN MINNESOTA AND EASTERN NORTH
DAKOTA.

LAT...LON 4899 9604 4889 9611 4895 9534 4900 9533
      4900 9538

$$

DK/BB

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 16, 4:36 PM CDTSevere Thunderstorm WarningFGFKittson54 min
Aug 16, 5:22 PM CDTSevere Thunderstorm WarningFGFRoseau53 min
Aug 16, 6:39 PM CDTSevere Thunderstorm WarningFGFLake of the Woods42 min

Nearby

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