Alert archive / Minnesota / Tornado Warnings in 2005

Tornado Warning 19, NWS La Crosse, WI

August 18, 2005Fillmore County, Minnesota

NWS La Crosse, WI issued this tornado warning at Aug 18, 2005, 1:29 PM CDT for Fillmore County, Minnesota. It was in force for 34 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Aug 18, 2005, 1:29 PM CDT (18:29 UTC)
Expired
Aug 18, 2005, 2:03 PM CDT
In force
34 min
Issued by
NWS La Crosse, WI
Area
Counties, with a storm outline in the text

County Fillmore County, MN

The radar

The La Crosse radar (KARX), 87 km from the middle of the area, began a volume at 18:32 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.

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 6.5 hours before the alert went out and 158 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 2005-08-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 13 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 2005-08-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 64 square meters per square second.1939Sfc1 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
13 J/kg
Mixed-layer CIN
-20 J/kg
Mixed-layer LCL
541 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
64 m²/s²
0-3 km storm-relative helicity
72 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 KARX 181829
TORARX
MNC045-181900-
/O.NEW.KARX.TO.W.0019.050818T1829Z-050818T1900Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
129 PM CDT THU AUG 18 2005

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A

* TORNADO WARNING FOR...
  FILLMORE COUNTY IN SOUTHEAST MINNESOTA

* UNTIL 200 PM CDT

* AT 129 PM CDT...NATIONAL WEATHER SERVICE RADAR DETECTED A TORNADO 5
  MILES NORTHWEST OF WASHINGTON...OR ABOUT 15 MILES SOUTH OF
  ROCHESTER. THE TORNADO WAS MOVING EAST AT 20 MPH.

* THE TORNADO WILL BE NEAR...
  WASHINGTON AROUND 135 PM...
  COUNTY ROADS 2 AND 38 AROUND 140 PM...
  FILLMORE AND COUNTY ROADS 2 AND 101 AROUND 145 PM...
  CHATFIELD AROUND 155 PM...
  FOUNTAIN AND PILOT MOUND AROUND 200 PM...

A TORNADO IS BEING DETECTED BY RADAR. THIS MEANS THAT A TORNADO MAY
NOT BE OCCURRING WHEN THE WARNING IS ISSUED...BUT ONE IS EXPECTED TO
DEVELOP. TAKE COVER IN A BASEMENT OR IN AN INTERIOR ROOM ON THE
LOWEST FLOOR AND STAY AWAY FROM WINDOWS

CARS AND MOBILE HOMES SHOULD BE ABANDONED FOR A STURDY BUILDING. AS A
LAST RESORT...LAY FLAT IN A DITCH AND COVER YOUR HEAD.

LAT...LON 4374 9245 4380 9245 4381 9244 4383 9244
      4383 9235 4384 9233 4384 9176 4371 9175

$$

BAUMGARDT
3 follow-up statements
000 
WWUS53 KARX 181838
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
138 PM CDT THU AUG 18 2005

MNC045-181900-
/O.CON.KARX.TO.W.0019.000000T0000Z-050818T1900Z/
FILLMORE MN-
136 PM CDT THU AUG 18 2005

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 200 PM CDT FOR FILLMORE
COUNTY...

AT 136 PM...NATIONAL WEATHER SERVICE RADAR DETECTED A SEVERE
THUNDERSTORM PRODUCING A TORNADO 3 MILES WEST OF COUNTY ROADS 2 AND
38...OR ABOUT 14 MILES SOUTH OF ROCHESTER. THE TORNADO WAS MOVING 
EAST AT 20 MPH. A BRIEF TORNADO OCCURED IN MOWER COUNTY NEAR DEXTER 
PRODUCING DAMAGE AROUND 1 PM FROM THIS STORM. THE MAIN THREAT IS IN 
NORTHERN FILLMORE COUNTY...NORTH OF HIGHWAY 16. 

THE TORNADO WILL BE NEAR...
  FILLMORE AND COUNTY ROADS 2 AND 101 AROUND 145 PM...
  FOUNTAIN AND CHATFIELD AROUND 155 PM...
  PILOT MOUND AND HIGHWAY 52 AND COUNTY 6 AROUND 200 PM...

CARS AND MOBILE HOMES SHOULD BE ABANDONED FOR A STURDY BUILDING. AS 
A LAST RESORT...LAY FLAT IN A DITCH AND COVER YOUR HEAD.

TAKE COVER IN A BASEMENT OR IN AN INTERIOR ROOM ON THE LOWEST FLOOR
AND STAY AWAY FROM WINDOWS

LAT...LON 4374 9245 4380 9245 4381 9244 4383 9244
      4383 9235 4384 9233 4384 9176 4371 9175

$$

BAUMGARDT
000 
WWUS53 KARX 181855
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
155 PM CDT THU AUG 18 2005

MNC045-181900-
/O.CON.KARX.TO.W.0019.000000T0000Z-050818T1900Z/
FILLMORE MN-
155 PM CDT THU AUG 18 2005

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 200 PM CDT FOR FILLMORE
COUNTY...

AT 155 PM...NATIONAL WEATHER SERVICE RADAR DETECTED A SEVERE
THUNDERSTORM PRODUCING A TORNADO OVER CHATFIELD...OR ABOUT 12 MILES 
NORTHWEST OF PRESTON. THE TORNADO WAS MOVING EAST AT 25 MPH. A BRIEF 
TORNADO OCCURED IN MOWER COUNTY NEAR DEXTER PRODUCING DAMAGE AROUND 
1 PM FROM THIS STORM. THE MAIN THREAT IS IN NORTHERN FILLMORE 
COUNTY...NORTH OF HIGHWAY 16. 

THE TORNADO WILL BE NEAR...
  ARENDAHL AND PILOT MOUND AROUND 200 PM...

CARS AND MOBILE HOMES SHOULD BE ABANDONED FOR A STURDY BUILDING. AS A
LAST RESORT...LAY FLAT IN A DITCH AND COVER YOUR HEAD.

TAKE COVER IN A BASEMENT OR IN AN INTERIOR ROOM ON THE LOWEST FLOOR
AND STAY AWAY FROM WINDOWS

LAT...LON 4374 9245 4380 9245 4381 9244 4383 9244
      4383 9235 4384 9233 4384 9176 4371 9175

$$

BAUMGARDT
000 
WWUS53 KARX 181903
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
203 PM CDT THU AUG 18 2005

MNC045-181913-
/O.EXP.KARX.TO.W.0019.000000T0000Z-050818T1900Z/
FILLMORE MN-
203 PM CDT THU AUG 18 2005

...THE TORNADO WARNING FOR FILLMORE COUNTY HAS EXPIRED...

THE LIKELIHOOD OF THIS THUNDERSTORM PRODUCING A TORNADO HAS
DIMINISHED. THEREFORE...THE TORNADO WARNING FOR FILLMORE COUNTY HAS
EXPIRED.

TO CALL YOUR SEVERE WEATHER REPORT DIRECTLY INTO THE NATIONAL WEATHER
SERVICE DIAL 6 0 8 7 8 2 1 8 9 4. SPECIAL THANKS TO LOCAL SPOTTERS 
WHO HELPED TO ASSESS THE TORNADO THREAT WITH THIS STORM. 

LAT...LON 4374 9245 4380 9245 4381 9244 4383 9244
      4383 9235 4384 9233 4384 9176 4371 9175

$$

BAUMGARDT

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.