Alert archive / Minnesota / Tornado Warnings in 2006

Tornado Warning 6, NWS Grand Forks, ND

May 7, 2006Polk County, Minnesota

NWS Grand Forks, ND issued this tornado warning at May 7, 2006, 11:32 PM CDT for Polk 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
May 7, 2006, 11:32 PM CDT (04:32 UTC)
Expired
May 8, 2006, 12:30 AM CDT
In force
58 min
Issued by
NWS Grand Forks, ND
Area
Counties, with a storm outline in the text

County Polk County, MN

The radar

The Fargo/Grand Forks radar (KMVX), 111 km from the middle of the area, began a volume at 04:33 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
May 7, 11:40 PM CDTTORNADO 12 Se Mcintosh, MNTORNADO TRACKED FOR ABOUT ONE HALF MILE OFF NORTH SIDE OF U.S. HIGHWAY 2 UNTIL 1141 PM. SEVERAL TREES WERE SNAPPED OFF AND A FEW SHINGLES WERE TORN OFF A HOUSE. ESTIMATED PEAK WINDS OF 80 MPH.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 4.5 hours before the alert went out and 349 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, Minneapolis, MN at 00:00Z on 2006-05-08Temperature 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, Minneapolis, MN at 00:00Z on 2006-05-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 71 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
2048 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
71 m²/s²
0-3 km storm-relative helicity
158 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 080433
TORFGF
MNC119-080530-
/O.NEW.KFGF.TO.W.0006.060508T0432Z-060508T0530Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
1132 PM CDT SUN MAY 7 2006

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN POLK COUNTY IN NORTHWEST MINNESOTA

* UNTIL 1230 AM CDT

* AT 1128 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE
  THUNDERSTORM WITH STRONG ROTATION 4 MILES EAST OF WINGER...OR 42
  MILES SOUTH OF THIEF RIVER FALLS...MOVING TO THE EAST AT 40 MPH.

* THE TORNADO WILL BE NEAR...
  FOSSTON AT 1150 PM CDT

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

LAT...LON 4761 9601 4752 9600 4751 9559 4764 9560

$$
GV
2 follow-up statements
000 
WWUS53 KFGF 080456
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
1156 PM CDT SUN MAY 7 2006

MNC119-080530-
/O.CON.KFGF.TO.W.0006.000000T0000Z-060508T0530Z/
POLK MN-
1156 PM CDT SUN MAY 7 2006

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1230 AM CDT FOR
SOUTHEASTERN POLK COUNTY...

AT 1154 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE
THUNDERSTORM WITH STRONG ROTATION.  THE TORNADO WAS LOCATED 3 MILES
NORTH OF EBRO...OR 30 MILES WEST OF BEMIDJI...MOVING TO THE EAST AT
40 MPH.

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

LAT...LON 4761 9601 4752 9600 4751 9559 4764 9560

$$
GV
000 
WWUS53 KFGF 080523
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
1223 AM CDT MON MAY 8 2006

MNC119-080533-
/O.EXP.KFGF.TO.W.0006.000000T0000Z-060508T0530Z/
POLK MN-
1223 AM CDT MON MAY 8 2006

...THE TORNADO WARNING FOR SOUTHEASTERN POLK COUNTY WILL EXPIRE AT
1230 AM CDT...

AT 1223 AM CDT...THE TORNADO HAS DISSIPATED IN SOUTHEASTERN POLK
COUNTY. SO THE WARNING WILL BE ALLOWED TO EXPIRE AT 1230 AM CDT.

LAT...LON 4761 9601 4752 9600 4751 9559 4764 9560

$$
GV

The office that day

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

IssuedProductOfficeCountiesLasted
May 7, 10:57 PM CDTTornado WarningFGFNorman33 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.