Alert archive / Minnesota / Tornado Warnings in 2017

Tornado Warning 21, NWS La Crosse, WI

July 19, 2017Fillmore County, Minnesota

NWS La Crosse, WI issued this tornado warning at Jul 19, 2017, 5:33 PM CDT for Fillmore County, Minnesota. It was in force for 19 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: Jul 19, 2017, 5:33 PM CDT (22:33 UTC)
Expired: Jul 19, 2017, 5:52 PM CDT
In force: 19 min
Issued by: NWS La Crosse, WI
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.0 in

County Fillmore County, MN

The radar

The La Crosse radar (KARX), 66 km from the middle of the area, began a volume at 22:33 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jul 19, 3:29 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 10.6 hours before the alert went out and 174 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1964 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: -10 m²/s²
0-3 km storm-relative helicity: 91 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

380 
WFUS53 KARX 192233
TORARX
MNC045-192300-
/O.NEW.KARX.TO.W.0021.170719T2233Z-170719T2300Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service La Crosse WI
533 PM CDT WED JUL 19 2017

The National Weather Service in La Crosse has issued a

* Tornado Warning for...
  Northeastern Fillmore County in southeastern Minnesota...

* Until 600 PM CDT
    
* At 533 PM CDT, a severe thunderstorm capable of producing a tornado
  was located over Fountain, or near Preston, moving east at 45 mph.

  HAZARD...Tornado. 

  SOURCE...Radar indicated rotation. 

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely. 

* This dangerous storm will be near...
  Lanesboro around 540 PM CDT. 

Other locations impacted by this tornadic thunderstorm include
Rushford Village, Pilot Mound, Arendahl, Peterson and Whalan.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

This cluster of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.

&&

LAT...LON 4385 9198 4385 9183 4369 9184 4367 9221
      4376 9221
TIME...MOT...LOC 2233Z 259DEG 39KT 4372 9209 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

RRS

2 follow-up statements

567 
WWUS53 KARX 192241
SVSARX

Severe Weather Statement
National Weather Service La Crosse WI
541 PM CDT WED JUL 19 2017

MNC045-192300-
/O.CON.KARX.TO.W.0021.000000T0000Z-170719T2300Z/
Fillmore MN-
541 PM CDT WED JUL 19 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 600 PM CDT FOR
NORTHEASTERN FILLMORE COUNTY...

At 541 PM CDT, a severe squall line capable of producing both
tornadoes and extensive straight line wind damage was located over
Lanesboro, or 7 miles northeast of Preston, moving east at 45 mph.

HAZARD...Tornado. 

SOURCE...Radar indicated rotation. 

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely. 

This tornadic thunderstorm will remain over mainly rural areas of
northeastern Fillmore County, including the following locations:
Rushford Village, Whalan, Old Barn Campground and Isinours.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If a tornado or other severe weather is spotted, report it to the
National Weather Service or your local nearest law enforcement agency
who will send your report. This act may save lives of others in the
path of dangerous weather.

This cluster of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.

&&

LAT...LON 4380 9199 4381 9185 4369 9184 4368 9204
      4376 9207
TIME...MOT...LOC 2241Z 259DEG 39KT 4374 9196 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

RRS

267 
WWUS53 KARX 192252
SVSARX

Severe Weather Statement
National Weather Service La Crosse WI
552 PM CDT WED JUL 19 2017

MNC045-192259-
/O.CAN.KARX.TO.W.0021.000000T0000Z-170719T2300Z/
Fillmore MN-
552 PM CDT WED JUL 19 2017

...THE TORNADO WARNING FOR NORTHEASTERN FILLMORE COUNTY IS
CANCELLED...
    
The tornado threat has diminished and the Tornado Warning has been
cancelled. However, large hail and damaging winds remain likely and a
Severe Thunderstorm Warning remains in effect for the area. 

A severe thunderstorm watch remains in effect until 900 PM CDT for
southeastern Minnesota.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
La Crosse.

Remember, a Severe Thunderstorm Warning still remains in effect for
Fillmore County!

LAT...LON 4380 9199 4381 9185 4369 9184 4368 9204
      4376 9207
TIME...MOT...LOC 2247Z 259DEG 39KT 4376 9183 

$$

DAS

The office that day

Everything else NWS La Crosse, WI issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 19, 4:04 PM CDT	Special Weather Statement	ARX	Dodge, Fillmore, Mower, Olmsted	86 min
Jul 19, 4:15 PM CDT	Severe Thunderstorm Warning	ARX	Dodge, Mower, Olmsted	60 min
Jul 19, 4:36 PM CDT	Tornado Warning	ARX	Dodge, Olmsted	24 min
Jul 19, 4:50 PM CDT	Severe Thunderstorm Warning	ARX	Fillmore, Olmsted, Wabasha, Winona	70 min
Jul 19, 5:19 PM CDT	Severe Thunderstorm Warning	ARX	Houston, Winona	71 min

Nearby

Tornado Warnings in Minnesota, 2017 Every tornado warning in 2017 Tornadoes in 2017

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.