Alert archive / Minnesota / Tornado Warnings in 2006

Tornado Warning 15, NWS Sioux Falls, SD

July 19, 2006Cottonwood County, Jackson County, Minnesota

NWS Sioux Falls, SD issued this tornado warning at Jul 19, 2006, 9:29 PM CDT for Cottonwood County, Jackson County, Minnesota. It was in force for 31 min. 3 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: Jul 19, 2006, 9:29 PM CDT (02:29 UTC)
Expired: Jul 19, 2006, 10:00 PM CDT
In force: 31 min
Issued by: NWS Sioux Falls, SD
Area: Counties, with a storm outline in the text

Counties Cottonwood County, MN, Jackson County, MN

The radar

The Sioux Falls radar (KFSD), 142 km from the middle of the area, began a volume at 02:31 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

Time	Report	Where	Remark
Jul 19, 9:29 PM CDT	HAIL 0.75	5 Ne Bergen, MN
Jul 19, 9:36 PM CDT	HAIL 1	Bingham Lake, MN	IN ADDITION TO HAIL UP TO THE SIZE OF QUARTERS...VERY HEAVY RAIN WAS FALLING.
Jul 19, 9:40 PM CDT	HAIL 1	Windom, MN

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

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 2.5 hours before the alert went out and 155 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 181 J/kg
Mixed-layer CIN: -458 J/kg
Mixed-layer LCL: 1336 m above ground
0-6 km bulk shear: 52 kt
0-1 km storm-relative helicity: 168 m²/s²
0-3 km storm-relative helicity: 137 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.1

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KFSD 200230
TORFSD
MNC033-063-200300-
/O.NEW.KFSD.TO.W.0015.060720T0229Z-060720T0300Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
929 PM CDT WED JUL 19 2006

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

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

* UNTIL 1000 PM CDT

* AT 929 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 3 MILES SOUTH OF
  BINGHAM LAKE...OR ABOUT NEAR WINDOM...MOVING EAST AT 25 MPH.

* THE TORNADO WILL BE NEAR...
   BERGEN...MOUNTAIN LAKE AROUND 935 PM CDT...

THE PUBLIC REPORTED A FUNNEL CLOUD JUST SOUTH OF WINDOM AT 925 PM 
CDT.  

LAT...LON 4397 9516 4380 9516 4373 9481 4397 9479

$$

LIEBL

2 follow-up statements

000 
WWUS53 KFSD 200246
SVSFSD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
943 PM CDT WED JUL 19 2006

MNC033-063-200300-
/O.CON.KFSD.TO.W.0015.000000T0000Z-060720T0300Z/
COTTONWOOD MN-JACKSON MN-
943 PM CDT WED JUL 19 2006

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1000 PM CDT FOR JACKSON
AND COTTONWOOD COUNTIES...

AT 943 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
SHOW TWO STORMS CAPABLE OF PRODUCING A TORNADO.  THE FIRST STORM WAS 
LOCATED 5 MILES NORTHEAST OF BERGEN...OR ABOUT 8 MILES EAST OF 
WINDOM...MOVING EAST AT 25 MPH. THE SECOND STORM WAS LOCATED 1 MILE 
SOUTHWEST OF WINDOM...MOVING EAST AT 25 MPH.

HAIL UP TO QUARTERS HAS BEEN REPORTED IN BINGHAM LAKE WITH THIS 
STORM. IF YOU ARE IN THE PATH OF THE STORM...TAKE IMMEDIATE ACTION 
TO PROTECT LIFE AND PROPERTY.

LAT...LON 4396 9522 4380 9525 4373 9481 4397 9479

$$

LIEBL

000 
WWUS53 KFSD 200301
SVSFSD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1001 PM CDT WED JUL 19 2006

MNC033-063-200311-
/O.EXP.KFSD.TO.W.0015.000000T0000Z-060720T0300Z/
COTTONWOOD MN-JACKSON MN-
1001 PM CDT WED JUL 19 2006

...THE TORNADO WARNING FOR JACKSON AND COTTONWOOD COUNTIES EXPIRED AT
1000 PM CDT...

THE STORM IS NO LONGER SEVERE.

LAT...LON 4396 9522 4380 9525 4373 9481 4397 9479

$$

LIEBL

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 19, 9:12 PM CDT	Severe Thunderstorm Warning	FSD	Cottonwood	33 min
Jul 19, 10:00 PM CDT	Severe Thunderstorm Warning	FSD	Jackson	30 min
Jul 19, 10:32 PM CDT	Severe Thunderstorm Warning	FSD	Jackson	27 min

Nearby

Tornado Warnings in Minnesota, 2006 Every tornado warning in 2006 Tornadoes 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.