Alert archive / Minnesota / Tornado Warnings in 2005

Tornado Warning 12, NWS Sioux Falls, SD

June 29, 2005Lyon County, Minnesota

NWS Sioux Falls, SD issued this tornado warning at Jun 29, 2005, 5:43 PM CDT for Lyon County, Minnesota. It was in force for 34 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, 5:43 PM CDT (22:43 UTC)
Expired
Jun 29, 2005, 6:17 PM CDT
In force
34 min
Issued by
NWS Sioux Falls, SD
Area
Counties, with a storm outline in the text

County Lyon County, MN

The radar

The Sioux Falls radar (KFSD), 119 km from the middle of the area, began a volume at 22:44 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, 5:51 PM CDTTORNADO4 Se Marshall, MN
Jun 29, 5:53 PM CDTTORNADO9 E Marshall, 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, 11:30 AM CDTTornado WatchSPC7 hr
Jun 29, 3:50 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 10.7 hours before the alert went out and 177 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 292244
TORFSD
MNC083-292315-
/O.NEW.KFSD.TO.W.0012.050629T2243Z-050629T2315Z/

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

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

* TORNADO WARNING FOR...
  EASTERN LYON COUNTY IN SOUTHWEST MINNESOTA

* UNTIL 615 PM CDT

* AT 543 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO OVER LYON
  COUNTY...OR ABOUT 6 MILES SOUTH OF MARSHALL...MOVING NORTHEAST AT
  35 MPH.

* THE TORNADO WILL REMAIN IN...
  RURAL LYON COUNTY SOUTH AND EAST OF MARSHALL 

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

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT
WEDNESDAY EVENING FOR NORTHWEST IOWA.

LAT...LON 4439 9584 4431 9580 4434 9560 4449 9560

$$

SCHUMACHER
3 follow-up statements
000 
WWUS53 KFSD 292252
SVSFSD

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

MNC083-292315-
/O.CON.KFSD.TO.W.0012.000000T0000Z-050629T2315Z/
LYON MN-
550 PM CDT WED JUN 29 2005

...A TORNADO WARNING CONTINUES UNTIL 615 PM CDT FOR EASTERN LYON 
COUNTY...

AT 550 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A TORNADIC THUNDERSTORM.  THIS TORNADO WAS LOCATED 4 MILES 
SOUTHEAST OF MARSHALL...MOVING NORTHEAST AT 35 MPH.

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING GOLF 
BALL SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.

AT 551 PM CDT...AN OFF DUTY NATIONAL WEATHER SERVICE EMPLOYEE 
REPORTED A TORNADO 4 MILES SOUTHEAST OF MARSHALL.  

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

LAT...LON 4439 9584 4431 9580 4434 9560 4449 9560

$$

SCHUMACHER
000 
WWUS53 KFSD 292256
SVSFSD

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

MNC083-292315-
/O.CON.KFSD.TO.W.0012.000000T0000Z-050629T2315Z/
LYON MN-
554 PM CDT WED JUN 29 2005

...A TORNADO WARNING CONTINUES UNTIL 615 PM CDT FOR EASTERN LYON 
COUNTY...

AT 554 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A TORNADO.  THIS TORNADO WAS ABOUT 6 MILES SOUTHEAST OF 
MARSHALL...MOVING NORTHEAST AT 35 MPH.


AT 553 PM CDT...LAW ENFORCEMENT REPORTED A TORNADO APPROXIMATELY 3 
MILES WEST OF MILROY. 

THIS IS AN EXTREMELY DANGEROUS AND LIFE THREATENING SITUATION. TAKE
COVER NOW.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 600 PM CDT WEDNESDAY EVENING
FOR NORTHWEST IOWA AND SOUTHWEST MINNESOTA AND SOUTHEASTERN SOUTH
DAKOTA. A TORNADO WATCH ALSO REMAINS IN EFFECT UNTIL 1100 PM CDT
WEDNESDAY EVENING FOR NORTHWEST IOWA AND SOUTHWEST MINNESOTA.

LAT...LON 4439 9584 4431 9580 4434 9560 4449 9560

$$

SCHUMACHER
000 
WWUS53 KFSD 292317
SVSFSD

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

MNC083-292327-
/O.EXP.KFSD.TO.W.0012.000000T0000Z-050629T2315Z/
LYON MN-
617 PM CDT WED JUN 29 2005

...THE TORNADO WARNING FOR EASTERN LYON COUNTY EXPIRES AT 615 PM 
CDT...

THE WARNING HAS EXPIRED. THE STORM HAS EXITED THE COUNTY.

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

LAT...LON 4439 9584 4431 9580 4434 9560 4449 9560

$$

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, 5:46 PM CDTSevere Thunderstorm WarningFSDCottonwood44 min
Jun 29, 6:20 PM CDTTornado WarningFSDCottonwood25 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.