Alert archive / Minnesota / Tornado Warnings in 2005

Tornado Warning 78, NWS Grand Forks, ND

July 11, 2005Marshall County, Minnesota

NWS Grand Forks, ND issued this tornado warning at Jul 11, 2005, 2:31 PM CDT for Marshall 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
Jul 11, 2005, 2:31 PM CDT (19:31 UTC)
Expired
Jul 11, 2005, 3:17 PM CDT
In force
46 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), 127 km from the middle of the area, began a volume at 19:34 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 11, 2:40 PM CDTTORNADO 06 Sw Middle River, MNINTERMITTENT TOUCHDOWNS ALONG 6 MILE TRACK TO 2 SSE MIDDLE RIVER BY 252 PM. ANTICYCLONIC OR CLOCKWISE ROTATION EVIDENT IN TREE DAMAGE IN SHELTER BELTS.

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

The nearest sounding before it

International Fa, MN (KINL), launched 12:00Z, 7.5 hours before the alert went out and 215 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 2005-07-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 135 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 2005-07-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -18 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
135 J/kg
Mixed-layer CIN
-151 J/kg
Mixed-layer LCL
1355 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
-18 m²/s²
0-3 km storm-relative helicity
41 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 111931
TORFGF
MNC089-112030-
/O.NEW.KFGF.TO.W.0078.050711T1931Z-050711T2030Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
231 PM CDT MON JUL 11 2005

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

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

* UNTIL 330 PM CDT

* AT 230 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE
  THUNDERSTORM WITH STRONG ROTATION 3 MILES SOUTHEAST OF NEWFOLDEN...
  OR 16 MILES NORTH OF THIEF RIVER FALLS...MOVING TO THE NORTHEAST AT
  25 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  MIDDLE RIVER AT 250 PM

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

LAT...LON 4832 9647 4827 9615 4853 9571 4854 9624

$$
DK
2 follow-up statements
000 
WWUS53 KFGF 111945
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
245 PM CDT MON JUL 11 2005

MNC089-112030-
/O.CON.KFGF.TO.W.0078.000000T0000Z-050711T2030Z/
MARSHALL MN-
245 PM CDT MON JUL 11 2005

...A TORNADO WARNING CONTINUES UNTIL 330 PM CDT FOR CENTRAL MARSHALL
COUNTY...

AT 242 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE
THUNDERSTORM WITH STRONG ROTATION.  THE TORNADO WAS LOCATED NEAR
MIDDLE RIVER...OR 21 MILES NORTH OF THIEF RIVER FALLS...MOVING TO THE
NORTHEAST AT 30 MPH.

THE TORNADO WILL BE NEAR...
  RURAL NORTHEASTERN MARSHALL COUNTY AT 300 PM CDT

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

LAT...LON 4832 9647 4827 9615 4853 9571 4854 9624

$$
DK
000 
WWUS53 KFGF 112017
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
316 PM CDT MON JUL 11 2005

MNC089-112026-
/O.CAN.KFGF.TO.W.0078.000000T0000Z-050711T2030Z/
MARSHALL MN-
316 PM CDT MON JUL 11 2005

...THE TORNADO WARNING FOR CENTRAL MARSHALL COUNTY IS CANCELLED...

AT 316 PM CDT...THE TORNADO IN CENTRAL MARSHALL COUNTY HAS MOVED OUT
OF THE COUNTY. SO THE WARNING HAS BEEN CANCELLED.

LAT...LON 4832 9647 4827 9615 4853 9571 4854 9624

$$
DK

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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.