Alert archive / Wisconsin / Tornado Warnings in 2005

Tornado Warning 33, NWS Twin Cities, MN

June 11, 2005Saint Croix County, Wisconsin

NWS Twin Cities, MN issued this tornado warning at Jun 11, 2005, 3:16 PM CDT for Saint Croix County, Wisconsin. It was in force for 29 min. 4 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 11, 2005, 3:16 PM CDT (20:16 UTC)
Expired: Jun 11, 2005, 3:45 PM CDT
In force: 29 min
Issued by: NWS Twin Cities, MN
Area: Counties, with a storm outline in the text

County Saint Croix County, WI

The radar

The Minneapolis radar (KMPX), 87 km from the middle of the area, began a volume at 20:19 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
Jun 11, 3:19 PM CDT	TORNADO	1 S Hammond, WI
Jun 11, 3:23 PM CDT	TORNADO	Hammond, WI	SEVERAL BUILDINGS DESTROYED. TREES DOWN.
Jun 11, 3:45 PM CDT	TORNADO	2 E Cylon, WI	DEBRIS CLOUD SEEN ON GROUND.
Jun 11, 3:52 PM CDT	FUNNEL CLOUD	5 Ne Forest, WI

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.

Issued	Product	Office	Lasted
Jun 11, 1:10 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 8.3 hours before the alert went out and 90 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: 61 J/kg
Mixed-layer CIN: -89 J/kg
Mixed-layer LCL: 723 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 3 m²/s²
0-3 km storm-relative helicity: 74 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 KMPX 112016
TORMPX
WIC109-112045-
/O.NEW.KMPX.TO.W.0033.050611T2016Z-050611T2045Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
316 PM CDT SAT JUN 11 2005

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* TORNADO WARNING FOR...
  ST. CROIX COUNTY IN WEST CENTRAL WISCONSIN

* UNTIL 345 PM CDT

* AT 313 PM CDT...THE PUBLIC REPORTED A TORNADO 12 MILES SOUTH OF NEW
  RICHMOND...OR ABOUT 9 MILES NORTHEAST OF RIVER FALLS...MOVING
  NORTHEAST AT 50 MPH.

* LOCATIONS IMPACTED INCLUDE...
  NEW RICHMOND...

LAT...LON 4494 9265 4486 9242 4521 9217 4521 9255

$$

RJN

1 follow-up statement

000 
WWUS53 KMPX 112025
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
324 PM CDT SAT JUN 11 2005

WIC109-112045-
/O.CON.KMPX.TO.W.0033.000000T0000Z-050611T2045Z/
ST. CROIX WI-
324 PM CDT SAT JUN 11 2005

...A TORNADO WARNING CONTINUES UNTIL 345 PM CDT FOR ST. CROIX
COUNTY...

AT 323 PM...LAW ENFORCEMENT REPORTED TORNADO ON THE GROUND IN 
HAMMOND IN ST. CROIX COUNTY. SEVERAL BUILDINGS DESTROYED.

CITIES IN THE PATH INCLUDE GLENWOOD CITY AND CEYLON.

AT 323 PM CDT...  THE TORNADO PRODUCING SEVERE THUNDERSTORM WAS 
LOCATED NEAR HAMMOND...OR ABOUT 9 MILES SOUTHEAST OF NEW 
RICHMOND...MOVING NORTHEAST AT 50 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE 
HOULTON...FOREST...EMERALD....STAR PRAIRIE...ROBERTS...DEER PARK AND 
BALDWIN.

LAT...LON 4494 9265 4486 9242 4521 9217 4521 9255

$$
RJN

The office that day

Everything else NWS Twin Cities, MN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 11, 2:15 PM CDT	Severe Thunderstorm Warning	MPX	Barron, Polk, Saint Croix	60 min
Jun 11, 2:31 PM CDT	Tornado Warning	MPX	Barron, Polk, Saint Croix	44 min
Jun 11, 2:45 PM CDT	Severe Thunderstorm Warning	MPX	Eau Claire	45 min
Jun 11, 3:11 PM CDT	Tornado Warning	MPX	Barron	49 min
Jun 11, 3:46 PM CDT	Tornado Warning	MPX	Barron, Dunn, Polk, Saint Croix	44 min
Jun 11, 4:27 PM CDT	Tornado Warning	MPX	Barron	35 min
Jun 11, 6:03 PM CDT	Severe Thunderstorm Warning	MPX	Saint Croix	42 min

Nearby

Tornado Warnings in Wisconsin, 2005 Every tornado warning in 2005 Tornadoes 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.