Alert archive / Minnesota / Tornado Warnings in 2005

Tornado Warning 41, NWS Grand Forks, ND

June 23, 2005Marshall County, Minnesota

NWS Grand Forks, ND issued this tornado warning at Jun 23, 2005, 4:21 PM CDT for Marshall County, Minnesota. It was in force for 54 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jun 23, 2005, 4:21 PM CDT (21:21 UTC)
Expired
Jun 23, 2005, 5:15 PM CDT
In force
54 min
Issued by
NWS Grand Forks, ND
Area
Counties, with a storm outline in the text

County Marshall County, MN

The radar

The Fargo/Grand Forks radar (KMVX), 103 km from the middle of the area, began a volume at 21:23 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 23, 2:25 PM CDTTornado WatchSPC8 hr

The nearest sounding before it

International Fa, MN (KINL), launched 12:00Z, 9.4 hours before the alert went out and 259 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 2005-06-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2973 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, International Fa, MN at 12:00Z on 2005-06-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 400 square meters per square second.19395878Sfc1 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
2973 J/kg
Mixed-layer CIN
-80 J/kg
Mixed-layer LCL
851 m above ground
0-6 km bulk shear
68 kt
0-1 km storm-relative helicity
400 m²/s²
0-3 km storm-relative helicity
384 m²/s²
Significant tornado parameter
0.0
Supercell composite
13.8

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KFGF 232121
TORFGF
MNC089-232215-
/O.NEW.KFGF.TO.W.0041.050623T2121Z-050623T2215Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
421 PM CDT THU JUN 23 2005

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* TORNADO WARNING FOR...
  WESTERN MARSHALL COUNTY IN NORTHWEST MINNESOTA

* UNTIL 515 PM CDT

* AT 418 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE
  THUNDERSTORM WITH STRONG ROTATION 6 MILES WEST OF STEPHEN...OR 18
  MILES EAST OF GRAFTON...MOVING TO THE EAST AT 30 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  8 MILES NORTH OF ARGYLE AT 430 PM
  FLORIAN AND ENGLUND AT 435 PM
  OLD MILL STATE PARK AT 440 PM
  STRANDQUIST AT 445 PM

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 1000 PM CDT THURSDAY EVENING
FOR NORTHWESTERN MINNESOTA AND EASTERN NORTH DAKOTA.

LAT...LON 4850 9710 4822 9705 4821 9634 4851 9640

$$

DK/JDS
2 follow-up statements
000 
WWUS53 KFGF 232146
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
447 PM CDT THU JUN 23 2005

MNC089-232215-
/O.CON.KFGF.TO.W.0041.000000T0000Z-050623T2215Z/
MARSHALL MN-
447 PM CDT THU JUN 23 2005

...A TORNADO WARNING CONTINUES UNTIL 515 PM CDT FOR WESTERN MARSHALL
COUNTY...

AT 444 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE
THUNDERSTORM WITH STRONG ROTATION.  THE TORNADO WAS LOCATED 4 MILES
WEST OF FLORIAN...OR 31 MILES EAST OF GRAFTON...MOVING TO THE EAST AT
30 MPH.

THE TORNADO WILL BE NEAR...
  6 MILES NORTH OF OLD MILL STATE PARK BY 500 PM CDT...
  STRANDQUIST BY 510 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 1000 PM CDT THURSDAY EVENING
FOR NORTHWESTERN MINNESOTA AND EASTERN NORTH DAKOTA.

LAT...LON 4850 9710 4822 9705 4821 9634 4851 9640

$$

DK/JDS
000 
WWUS53 KFGF 232212
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
512 PM CDT THU JUN 23 2005

MNC089-232222-
/O.EXP.KFGF.TO.W.0041.000000T0000Z-050623T2215Z/
MARSHALL MN-
512 PM CDT THU JUN 23 2005

...THE TORNADO WARNING FOR WESTERN MARSHALL COUNTY EXPIRED AT 515 PM
CDT...

DOPPLER RADAR INDICATED THE STORM WAS NO LONGER SEVERE AND THE
WARNING WAS ALLOWED TO EXPIRE AT 515 PM CDT.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT THURSDAY EVENING
FOR NORTHWESTERN MINNESOTA AND EASTERN NORTH DAKOTA.

LAT...LON 4850 9710 4822 9705 4821 9634 4851 9640

$$

DK/JDS

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 23, 3:52 PM CDTSevere Thunderstorm WarningFGFKittson53 min
Jun 23, 4:02 PM CDTTornado WarningFGFKittson59 min
Jun 23, 4:33 PM CDTFlash Flood WarningFGFKittson5 hr
Jun 23, 4:50 PM CDTTornado WarningFGFLake of the Woods55 min
Jun 23, 5:00 PM CDTTornado WarningFGFPolk60 min
Jun 23, 5:25 PM CDTSevere Thunderstorm WarningFGFClay, Norman53 min
Jun 23, 5:35 PM CDTSevere Thunderstorm WarningFGFPennington, Red Lake55 min
Jun 23, 5:39 PM CDTSevere Thunderstorm WarningFGFLake of the Woods, Roseau66 min
Jun 23, 5:57 PM CDTTornado WarningFGFPennington, Red Lake52 min
Jun 23, 5:59 PM CDTSevere Thunderstorm WarningFGFNorman, Polk52 min
Jun 23, 6:22 PM CDTSevere Thunderstorm WarningFGFBeltrami53 min
Jun 23, 6:23 PM CDTTornado WarningFGFClearwater, Polk67 min
Jun 23, 6:32 PM CDTTornado WarningFGFLake of the Woods36 min
Jun 23, 6:48 PM CDTTornado WarningFGFBeltrami42 min
Jun 23, 6:54 PM CDTTornado WarningFGFBecker, Clay66 min

Nearby

Tornado Warnings in Minnesota, 2005Every tornado warning in 2005Tornadoes in 2005

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.