Alert archive / Minnesota / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 57, NWS La Crosse, WI

June 18, 2012Wabasha County, Minnesota

NWS La Crosse, WI issued this severe thunderstorm warning at Jun 18, 2012, 1:25 AM CDT for Wabasha County, Minnesota. It was in force for 50 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: Jun 18, 2012, 1:25 AM CDT (06:25 UTC)
Expired: Jun 18, 2012, 2:15 AM CDT
In force: 50 min
Issued by: NWS La Crosse, WI
Area: Storm-based polygon
Hail: 1.5 in
Wind: 60.0 mph

County Wabasha County, MN

The radar

The Minneapolis radar (KMPX), 110 km from the middle of the area, began a volume at 06:25 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 18, 1:37 AM CDT	TSTM WND DMG	Lake City, MN	TREES DOWN

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 17, 7:57 PM CDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 6.4 hours before the alert went out and 112 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: 1837 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 492 m²/s²
0-3 km storm-relative helicity: 747 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.

938 
WUUS53 KARX 180625
SVRARX
MNC157-180715-
/O.NEW.KARX.SV.W.0057.120618T0625Z-120618T0715Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
125 AM CDT MON JUN 18 2012

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN WABASHA COUNTY IN SOUTHEAST MINNESOTA...

* UNTIL 215 AM CDT

* AT 118 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM LOCATED NEAR MAZEPPA...OR 17 MILES SOUTH OF RED
  WING...MOVING EAST AT 35 MPH. THIS STORM CAN PRODUCE PING PONG BALL
  SIZE HAIL AND DAMAGING WINDS IN EXCESS OF 60 MPH.  

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  BEAR VALLEY AND ZUMBRO FALLS AROUND 130 AM...
  OAK CENTER AROUND 135 AM...
  LAKE CITY AND WEST ALBANY AROUND 145 AM...
  THEILMAN AROUND 150 AM...
  MAPLE SPRINGS AROUND 155 AM...
  KRUGER CAMPGROUND AND ZUMBRO BOTTOMS CAMPGROUND AROUND 200 AM...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR LARGE
HAIL AND DAMAGING WINDS. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE
AND STAY AWAY FROM WINDOWS.

&&

LAT...LON 4437 9255 4438 9244 4445 9244 4446 9243
      4446 9224 4445 9223 4443 9213 4437 9199
      4423 9200 4425 9256 4436 9256
TIME...MOT...LOC 0624Z 273DEG 30KT 4434 9252
WIND...HAIL 60MPH 1.50IN

$$

AJ

3 follow-up statements

951 
WWUS53 KARX 180644
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
144 AM CDT MON JUN 18 2012

MNC157-180715-
/O.CON.KARX.SV.W.0057.000000T0000Z-120618T0715Z/
WABASHA MN-
144 AM CDT MON JUN 18 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR CENTRAL
WABASHA COUNTY UNTIL 215 AM CDT...

AT 137 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM LOCATED NEAR COUNTY ROADS 31 AND 2...OR 9 MILES
SOUTHWEST OF LAKE CITY...MOVING EAST AT 35 MPH. THIS STORM CAN
PRODUCE PING PONG BALL SIZE HAIL AND DAMAGING WINDS IN EXCESS OF 60
MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  THEILMAN AND COUNTY ROADS 33 AND 4 AROUND 150 AM...
  ZUMBRO BOTTOMS CAMPGROUND AROUND 155 AM...
  KRUGER CAMPGROUND AND DUMFRIES AROUND 200 AM...
  WABASHA AROUND 205 AM...
  KELLOGG AND RATTLESNAKE RIDGE AROUND 210 AM...

ALSO...THERE IS ANOTHER STORM THAT HAS HAD A HISTORY OF PRODUCING 
SEVERE WEATHER APPROACHING HIGHWAY 52 IN GOODHUE COUNTY. ON ITS 
CURRENT TRACK...IT WILL ENTER WESTERN WABASHA COUNTY SHORTLY AFTER 2 
AM. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR LARGE
HAIL AND DAMAGING WINDS. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE
AND STAY AWAY FROM WINDOWS.

&&

LAT...LON 4437 9241 4444 9237 4446 9233 4446 9224
      4445 9223 4444 9216 4443 9216 4443 9213
      4437 9199 4423 9200 4425 9246
TIME...MOT...LOC 0641Z 273DEG 30KT 4433 9232
WIND...HAIL 60MPH 1.50IN

$$

AJ

322 
WWUS53 KARX 180657
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
157 AM CDT MON JUN 18 2012

MNC157-180715-
/O.CON.KARX.SV.W.0057.000000T0000Z-120618T0715Z/
WABASHA MN-
157 AM CDT MON JUN 18 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR CENTRAL
WABASHA COUNTY UNTIL 215 AM CDT...

AT 151 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM LOCATED NEAR THEILMAN...OR 8 MILES WEST OF
WABASHA...MOVING EAST AT 35 MPH. THIS STORM CAN PRODUCE QUARTER SIZE 
HAIL AND DAMAGING WINDS IN EXCESS OF 60 MPH. 

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  KRUGER CAMPGROUND AND DUMFRIES AROUND 200 AM...
  WABASHA AROUND 205 AM...
  RATTLESNAKE RIDGE AROUND 210 AM...

ALSO...THERE IS ANOTHER STORM THAT HAS HAD A HISTORY OF PRODUCING 
SEVERE WEATHER CROSSING HIGHWAY 52 IN GOODHUE COUNTY. HOWEVER... IT 
HAS BEEN WEAKENING OVER THE LAST 15 MINUTES. ON ITS CURRENT 
TRACK...IT WILL ENTER WESTERN WABASHA COUNTY SHORTLY AFTER 2 AM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR LARGE
HAIL AND DAMAGING WINDS. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE
AND STAY AWAY FROM WINDOWS.

&&

LAT...LON 4432 9230 4438 9226 4442 9222 4444 9216
      4443 9216 4443 9213 4437 9199 4423 9200
      4425 9235
TIME...MOT...LOC 0655Z 273DEG 30KT 4432 9216
WIND...HAIL 60MPH 1.00IN

$$

AJ

803 
WWUS53 KARX 180715
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
215 AM CDT MON JUN 18 2012

MNC157-180723-
/O.EXP.KARX.SV.W.0057.000000T0000Z-120618T0715Z/
WABASHA MN-
215 AM CDT MON JUN 18 2012

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL WABASHA COUNTY WILL
EXPIRE AT 215 AM CDT...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED AND MOVED OUT OF
THE WARNED AREA.

ANOTHER STRONG STORM WAS MOVING THROUGH WESTERN WABASHA COUNTY. HAIL 
TO THE SIZE OF NICKELS AND WIND GUSTS TO 50 MPH MAY ACCOMPANY THIS 
STORM AS IT MOVES EAST AT 40 MPH.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 400 AM CDT MONDAY
MORNING FOR SOUTHEAST MINNESOTA AND NORTHWESTERN WISCONSIN.

LAT...LON 4432 9230 4438 9226 4442 9222 4444 9216
      4443 9216 4443 9213 4437 9199 4423 9200
      4425 9235
TIME...MOT...LOC 0713Z 273DEG 30KT 4431 9195

$$

AJ

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 18, 12:33 AM CDT	Areal Flood Advisory	ARX	Wabasha	3 hr

Nearby

Severe Thunderstorm Warnings in Minnesota, 2012 Every severe thunderstorm warning in 2012

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.