Alert archive / Minnesota / Tornado Warnings in 2017

Tornado Warning 17, NWS La Crosse, WI

July 19, 2017Dodge County, Olmsted County, Minnesota

NWS La Crosse, WI issued this tornado warning at Jul 19, 2017, 4:36 PM CDT for Dodge County, Olmsted County, Minnesota. It was in force for 24 min. 1 report 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, 2017, 4:36 PM CDT (21:36 UTC)
Expired: Jul 19, 2017, 5:00 PM CDT
In force: 24 min
Issued by: NWS La Crosse, WI
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.0 in

Counties Dodge County, MN, Olmsted County, MN

The radar

The Minneapolis radar (KMPX), 107 km from the middle of the area, began a volume at 21:36 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, 4:53 PM CDT	TSTM WND GST 45	3 Nw Rochester, 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.

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, 9.6 hours before the alert went out and 109 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.

194 
WFUS53 KARX 192136
TORARX
MNC039-109-192200-
/O.NEW.KARX.TO.W.0017.170719T2136Z-170719T2200Z/

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

The National Weather Service in La Crosse has issued a

* Tornado Warning for...
  Northwestern Olmsted County in southeastern Minnesota...
  Northern Dodge County in southeastern Minnesota...

* Until 500 PM CDT

* At 436 PM CDT, severe thunderstorms capable of producing both
  tornadoes and extensive straight line wind damage were located near
  Dodge Center, moving east at 60 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. 

* Locations impacted include...
  Rochester, Dodge Center, Mantorville, Kasson, Byron, Oronoco, West
  Concord, Claremont, Wasioja, Douglas, Concord, Eden, Highway 57 And
  570th Street, Kings Park, Oxbow Park, Genoa, Danesville, Highway 52
  And County 14, Highway 14 And County 5 and County Roads 20 And 5.

People attending the Dodge County Free Fair should seek safe shelter
immediately!

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 4403 9299 4416 9299 4416 9245 4398 9245
TIME...MOT...LOC 2136Z 275DEG 52KT 4408 9288 

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

$$

RRS

3 follow-up statements

537 
WWUS53 KARX 192146
SVSARX

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

MNC039-109-192200-
/O.CON.KARX.TO.W.0017.000000T0000Z-170719T2200Z/
Olmsted MN-Dodge MN-
446 PM CDT WED JUL 19 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 PM CDT FOR
NORTHWESTERN OLMSTED AND NORTHEASTERN DODGE COUNTIES...

At 445 PM CDT, a severe squall line capable of producing both
tornadoes and extensive straight line wind damage was located over
Mantorville, moving east at 55 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. 

These dangerous storms will be near...
  Rochester around 500 PM CDT. 

Other locations impacted by this tornadic thunderstorm include
Douglas, Danesville, Highway 57 And 570th Street, Highway 52 And
County 14 and Oxbow Park.

People attending the Dodge County Free Fair should seek safe shelter
immediately!

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 4402 9283 4414 9278 4414 9245 4398 9245
TIME...MOT...LOC 2145Z 275DEG 49KT 4406 9272 

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

$$

RRS

911 
WWUS53 KARX 192154
SVSARX

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

MNC039-192204-
/O.CAN.KARX.TO.W.0017.000000T0000Z-170719T2200Z/
Dodge MN-
454 PM CDT WED JUL 19 2017

...THE TORNADO WARNING FOR NORTHEASTERN DODGE COUNTY IS CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

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

LAT...LON 4400 9265 4414 9262 4414 9245 4398 9245
TIME...MOT...LOC 2154Z 275DEG 52KT 4405 9254 

$$

MNC109-192200-
/O.CON.KARX.TO.W.0017.000000T0000Z-170719T2200Z/
Olmsted MN-
454 PM CDT WED JUL 19 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 PM CDT FOR
NORTHWESTERN OLMSTED COUNTY...

At 454 PM CDT, a severe squall line capable of producing both
tornadoes and extensive straight line wind damage was located near
Rochester, moving east at 60 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
northwestern Olmsted County, including the following locations:
Douglas, Highway 52 And County 14, Apache Mall, Highway 52 And 55th
Northwest and Genoa.

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 4400 9265 4414 9262 4414 9245 4398 9245
TIME...MOT...LOC 2154Z 275DEG 52KT 4405 9254 

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

$$

RRS

127 
WWUS53 KARX 192158
SVSARX

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

MNC109-192207-
/O.EXP.KARX.TO.W.0017.000000T0000Z-170719T2200Z/
Olmsted MN-
458 PM CDT WED JUL 19 2017

...THE TORNADO WARNING FOR NORTHWESTERN OLMSTED COUNTY WILL EXPIRE AT
500 PM CDT...
    
The tornado threat has diminished and the Tornado Warning has been 
cancelled. However, 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.

LAT...LON 4400 9265 4414 9262 4414 9245 4398 9245
TIME...MOT...LOC 2157Z 276DEG 52KT 4403 9252 

$$

RRS

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, 4:50 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
Jul 19, 5:33 PM CDT	Tornado Warning	ARX	Fillmore	19 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.