Alert archive / Minnesota / Tornado Warnings in 2015

Tornado Warning 4, NWS La Crosse, WI

July 18, 2015Wabasha County, Minnesota

NWS La Crosse, WI issued this tornado warning at Jul 18, 2015, 1:57 AM CDT for Wabasha County, Minnesota. It was in force for 22 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 18, 2015, 1:57 AM CDT (06:57 UTC)
Expired: Jul 18, 2015, 2:19 AM CDT
In force: 22 min
Issued by: NWS La Crosse, WI
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.0 in

County Wabasha County, MN

The radar

The La Crosse radar (KARX), 90 km from the middle of the area, began a volume at 06:59 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 18, 2:05 AM CDT	TSTM WND DMG	Kellogg, MN	A FEW TREES DOWN ALONG HIGHWAY 42 NEAR KELLOGG. TIME ESTIMATED USING RADAR.
Jul 18, 2:07 AM CDT	TSTM WND DMG	Wabasha, MN	A FEW TREES REPORTED DOWN ALONG HIGHWAY 61 BETWEEN LAKE CITY AND WABASHA. TIME ESTIMATED USING RADAR.
Jul 18, 2:07 AM CDT	TSTM WND DMG	Wabasha, MN	A FEW TREES RERORTED DOWN ALONG HIGHWAY 61 BETWEEN LAKE CITY AND WABASHA. TIME ESTIMATED USING RADAR.

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 18, 12:41 AM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 7.0 hours before the alert went out and 135 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: 888 J/kg
Mixed-layer CIN: -162 J/kg
Mixed-layer LCL: 1752 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 29 m²/s²
0-3 km storm-relative helicity: 104 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.0

Open this sounding in Storm Lab

The text

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

589 
WFUS53 KARX 180657
TORARX
MNC157-180730-
/O.NEW.KARX.TO.W.0004.150718T0657Z-150718T0730Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
157 AM CDT SAT JUL 18 2015

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN WABASHA COUNTY IN SOUTHEASTERN MINNESOTA...

* UNTIL 230 AM CDT
    
* AT 157 AM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED NEAR THEILMAN...MOVING EAST AT 35 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...
  WABASHA AROUND 205 AM CDT.
  KELLOGG AROUND 210 AM CDT.
  ALMA AROUND 215 AM CDT.

OTHER LOCATIONS IMPACTED BY THIS TORNADIC THUNDERSTORM INCLUDE WEST
NEWTON...PIONEER CAMPGROUND...ZUMBRO BOTTOMS CAMPGROUND...DUMFRIES
AND COUNTY ROADS 18 AND 4.

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.

&&

LAT...LON 4443 9219 4442 9212 4441 9211 4440 9205
      4438 9203 4436 9197 4434 9194 4430 9192
      4429 9193 4428 9191 4425 9189 4425 9217
      4438 9224
TIME...MOT...LOC 0657Z 249DEG 30KT 4432 9213 

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

$$

AJ

2 follow-up statements

412 
WWUS53 KARX 180707
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
207 AM CDT SAT JUL 18 2015

MNC157-180730-
/O.CON.KARX.TO.W.0004.000000T0000Z-150718T0730Z/
WABASHA MN-
207 AM CDT SAT JUL 18 2015

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 230 AM CDT FOR EAST
CENTRAL WABASHA COUNTY...
    
AT 207 AM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED OVER KELLOGG...OR NEAR ALMA...MOVING EAST AT 40 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
EAST CENTRAL WABASHA COUNTY...INCLUDING THE FOLLOWING LOCATIONS...
WEST NEWTON AND PIONEER CAMPGROUND.

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.

&&

LAT...LON 4433 9203 4436 9197 4434 9194 4430 9192
      4429 9193 4428 9191 4425 9189 4425 9204
      4430 9205
TIME...MOT...LOC 0707Z 265DEG 36KT 4429 9195 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

AJ

847 
WWUS53 KARX 180719
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
219 AM CDT SAT JUL 18 2015

MNC157-180728-
/O.CAN.KARX.TO.W.0004.000000T0000Z-150718T0730Z/
WABASHA MN-
219 AM CDT SAT JUL 18 2015

...THE TORNADO WARNING FOR EAST CENTRAL WABASHA COUNTY IS
CANCELLED...
    
THE TORNADO THREAT HAS DIMINISHED...THEREFORE THE TORNADO WARNING HAS
BEEN CANCELLED. HOWEVER...DAMAGING WINDS REMAIN LIKELY
AND A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 230 AM CDT 
FOR THE AREA. 

LAT...LON 4433 9203 4436 9197 4434 9194 4430 9192
      4429 9193 4428 9191 4425 9189 4425 9204
      4430 9205
TIME...MOT...LOC 0717Z 249DEG 30KT 4433 9182 

$$

AJ

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 18, 12:45 AM CDT	Special Weather Statement	ARX	Dodge, Olmsted, Wabasha	2 hr
Jul 18, 1:08 AM CDT	Severe Thunderstorm Warning	ARX	Dodge	52 min
Jul 18, 1:23 AM CDT	Severe Thunderstorm Warning	ARX	Olmsted, Wabasha	67 min
Jul 18, 1:36 AM CDT	Special Weather Statement	ARX	Winona	84 min
Jul 18, 2:06 AM CDT	Severe Thunderstorm Warning	ARX	Winona	54 min
Jul 18, 2:14 AM CDT	Special Weather Statement	ARX	Mower	61 min
Jul 18, 2:31 AM CDT	Areal Flood Advisory	ARX	Mower	119 min
Jul 18, 2:43 AM CDT	Severe Thunderstorm Warning	ARX	Winona	77 min
Jul 18, 2:57 AM CDT	Severe Thunderstorm Warning	ARX	Fillmore, Mower	27 min
Jul 18, 3:09 AM CDT	Special Weather Statement	ARX	Houston	66 min

Nearby

Tornado Warnings in Minnesota, 2015 Every tornado warning in 2015 Tornadoes in 2015

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.