Alert archive / Minnesota / Tornado Warnings in 2005

Tornado Warning 13, NWS Sioux Falls, SD

June 29, 2005Cottonwood County, Minnesota

NWS Sioux Falls, SD issued this tornado warning at Jun 29, 2005, 6:20 PM CDT for Cottonwood County, Minnesota. It was in force for 25 min. 2 reports 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
Jun 29, 2005, 6:20 PM CDT (23:20 UTC)
Expired
Jun 29, 2005, 6:45 PM CDT
In force
25 min
Issued by
NWS Sioux Falls, SD
Area
Counties, with a storm outline in the text

County Cottonwood County, MN

The radar

The Sioux Falls radar (KFSD), 132 km from the middle of the area, began a volume at 23:23 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.

What was reported inside it

TimeReportWhereRemark
Jun 29, 6:24 PM CDTTORNADO7 Nw Windom, MNTORNADO HIT FARMSTEAD
Jun 29, 6:35 PM CDTTORNADO2 S Jeffers, 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
Jun 29, 3:50 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 11.3 hours before the alert went out and 157 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 12:00Z on 2005-06-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 318 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, Minneapolis, MN at 12:00Z on 2005-06-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 114 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
318 J/kg
Mixed-layer CIN
-355 J/kg
Mixed-layer LCL
1058 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
114 m²/s²
0-3 km storm-relative helicity
187 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 KFSD 292321
TORFSD
MNC033-292345-
/O.NEW.KFSD.TO.W.0013.050629T2320Z-050629T2345Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
620 PM CDT WED JUN 29 2005

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

* TORNADO WARNING FOR...
  COTTONWOOD COUNTY IN SOUTHWEST MINNESOTA

* UNTIL 645 PM CDT

* AT 620 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
  A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 7 MILES 
  SOUTHWEST OF JEFFERS...MOVING NORTHEAST AT 35 MPH.

* THE TORNADO WILL BE NEAR...
  DELFT AROUND 625 PM CDT

AT 618 PM CDT...A TORNADO WAS REPORTED A NATIONAL WEATHER SERVICE 
EMPLOYEE 7 MILES SOUTHWEST OF JEFFERS.

A TORNADO HAS BEEN CONFIRMED. TAKE COVER IN A STURDY BUILDING NOW.
MOBILE HOMES AND VEHICLES ARE NOT SAFE.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT WEDNESDAY EVENING
FOR NORTHWEST IOWA AND SOUTHWEST MINNESOTA.

LAT...LON 4402 9540 4389 9538 4397 9487 4411 9486

$$

SCHUMACHER
2 follow-up statements
000 
WWUS53 KFSD 292326
SVSFSD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
624 PM CDT WED JUN 29 2005

MNC033-292345-
/O.CON.KFSD.TO.W.0013.000000T0000Z-050629T2345Z/
COTTONWOOD MN-
624 PM CDT WED JUN 29 2005

...A TORNADO WARNING CONTINUES UNTIL 645 PM CDT FOR COTTONWOOD
COUNTY...

AT 624 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED 4 MILES SOUTHEAST OF 
STORDEN...OR ABOUT 11 MILES NORTHWEST OF WINDOM...MOVING EAST AT 30 
MPH.

* THE TORNADO WILL BE NEAR...
  DELFT AROUND 635 PM CDT

AT 624 PM CDT...A NATIONAL WEATHER SERVICE EMPLOYEE REPORTED A 
TORNADO 7 MILES OF WINDOM. THE TORNADO HAS CAUSED DAMAGE TO A 
FARMSTEAD NORTHWEST OF WINDOM.  

A TORNADO HAS BEEN CONFIRMED. TAKE COVER IN A STURDY BUILDING NOW.
MOBILE HOMES AND VEHICLES ARE NOT SAFE.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT WEDNESDAY EVENING
FOR NORTHWEST IOWA AND SOUTHWEST MINNESOTA.

ALAT...LON 4402 9540 4389 9538 4397 9487 4411 9486

$$

SCHUMACHER
000 
WWUS53 KFSD 292333
SVSFSD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
632 PM CDT WED JUN 29 2005

MNC033-292345-
/O.CON.KFSD.TO.W.0013.000000T0000Z-050629T2345Z/
COTTONWOOD MN-
632 PM CDT WED JUN 29 2005

...A TORNADO WARNING CONTINUES UNTIL 645 PM CDT FOR COTTONWOOD
COUNTY...

AT 632 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A TORNADIC THUNDERSTORM.  THIS TORNADO WAS LOCATED 7 MILES 
WEST OF DELFT...OR ABOUT 8 MILES NORTHWEST OF WINDOM...MOVING EAST 
AT 20 MPH.

* THE TORNADO WILL BE NEAR...
  DELFT AROUND 640 PM CDT

COTTONWOOD COUNTY EMERGENCY MANAGEMENT HAS REPORTED TWO FUNNEL 
CLOUDS AT 627 PM CDT. THE FIRST FUNNEL CLOUD WAS LOCATED 6 MILES 
SOUTHEAST OF STORDEN.  A SECOND FUNNEL CLOUD WAS REPORTED 6 MILES 
WEST OF WINDOM.

A TORNADO HAS BEEN CONFIRMED. TAKE COVER IN A STURDY BUILDING NOW.
MOBILE HOMES AND VEHICLES ARE NOT SAFE.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT WEDNESDAY EVENING
FOR NORTHWEST IOWA AND SOUTHWEST MINNESOTA.

LAT...LON 4402 9540 4389 9538 4397 9487 4411 9486

$$

SCHUMACHER

The office that day

Everything else NWS Sioux Falls, SD issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 29, 3:38 AM CDTSevere Thunderstorm WarningFSDPipestone, Rock39 min
Jun 29, 4:12 AM CDTSevere Thunderstorm WarningFSDMurray, Nobles, Pipestone48 min
Jun 29, 6:02 AM CDTSevere Thunderstorm WarningFSDJackson28 min
Jun 29, 4:48 PM CDTSevere Thunderstorm WarningFSDNobles, Rock27 min
Jun 29, 4:54 PM CDTSevere Thunderstorm WarningFSDLyon36 min
Jun 29, 5:08 PM CDTSevere Thunderstorm WarningFSDMurray52 min
Jun 29, 5:11 PM CDTSevere Thunderstorm WarningFSDNobles42 min
Jun 29, 5:21 PM CDTTornado WarningFSDLyon24 min
Jun 29, 5:43 PM CDTTornado WarningFSDLyon34 min
Jun 29, 5:46 PM CDTSevere Thunderstorm WarningFSDCottonwood44 min
Jun 29, 6:39 PM CDTTornado WarningFSDCottonwood37 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.