Alert archive / Minnesota / Tornado Warnings in 2006

Tornado Warning 28, NWS Grand Forks, ND

July 27, 2006Polk County, Minnesota

NWS Grand Forks, ND issued this tornado warning at Jul 27, 2006, 6:47 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
Jul 27, 2006, 6:47 PM CDT (23:47 UTC)
Expired
Jul 27, 2006, 7:45 PM 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), 76 km from the middle of the area, began a volume at 23:46 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
Jul 27, 7:09 PM CDTHAIL 13 Se Gentilly, 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
Jul 27, 5:25 PM CDTSevere Thunderstorm WatchSPC4 hr

The nearest sounding before it

International Fa, MN (KINL), launched 12:00Z, 11.8 hours before the alert went out and 245 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 2006-07-27Temperature 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 2006-07-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 10 square meters per square second.1939Sfc1 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
1526 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
10 m²/s²
0-3 km storm-relative helicity
43 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 272347
TORFGF
MNC119-280045-
/O.NEW.KFGF.TO.W.0028.060727T2347Z-060728T0045Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
647 PM CDT THU JUL 27 2006

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

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

* UNTIL 745 PM CDT

* AT 642 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE
  THUNDERSTORM WITH STRONG ROTATION 3 MILES NORTH OF GENTILLY...OR 23
  MILES SOUTHWEST OF THIEF RIVER FALLS...MOVING TO THE SOUTHEAST AT
  15 MPH.

* THE TORNADO WILL BE NEAR...
  GENTILLY AT 700 PM CDT
  DUGDALE AT 725 PM CDT
  MELVIN AT 735 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
THURSDAY EVENING FOR NORTHWESTERN MINNESOTA.

LAT...LON 4784 9637 4784 9657 4758 9641 4759 9624
      4776 9626 4775 9636

$$
DK
1 follow-up statement
000 
WWUS53 KFGF 272358
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
657 PM CDT THU JUL 27 2006

MNC119-280045-
/O.CON.KFGF.TO.W.0028.000000T0000Z-060728T0045Z/
POLK MN-
657 PM CDT THU JUL 27 2006

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM CDT FOR CENTRAL
POLK COUNTY...

AT 655 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE
THUNDERSTORM WITH STRONG ROTATION.  THE TORNADO WAS LOCATED 4 MILES
WEST OF PERAULT...OR 24 MILES SOUTH OF THIEF RIVER FALLS...MOVING TO 
THE SOUTHEAST AT 15 MPH. 

A SPOTTER REPORTED A WALL CLOUD AND A FUNNEL CLOUD 14 MILES 
NORTHWEST OF MENTOR NEAR THE POLK AND RED LAKE COUNTY LINE AT 654 PM 
CDT.

THE TORNADO WILL BE NEAR...
  DUGDALE BY 720 PM CDT
  8 MILES NORTHEAST OF MELVIN BY 725 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
THURSDAY EVENING FOR NORTHWESTERN MINNESOTA.

LAT...LON 4784 9637 4784 9657 4758 9641 4759 9624
      4776 9626 4775 9636

$$
DK

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 27, 4:23 PM CDTSevere Thunderstorm WarningFGFKittson67 min
Jul 27, 4:49 PM CDTTornado WarningFGFKittson, Marshall56 min
Jul 27, 5:32 PM CDTSevere Thunderstorm WarningFGFBeltrami58 min
Jul 27, 6:18 PM CDTSevere Thunderstorm WarningFGFPennington, Red Lake57 min
Jul 27, 6:30 PM CDTTornado WarningFGFPennington, Red Lake52 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.