Alert archive / Minnesota / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 45, NWS La Crosse, WI

May 26, 2012Wabasha County, Minnesota; Buffalo County, Wisconsin

NWS La Crosse, WI issued this severe thunderstorm warning at May 26, 2012, 3:29 PM CDT for Wabasha County, Minnesota; Buffalo County, Wisconsin. It was in force for 61 min. 2 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
May 26, 2012, 3:29 PM CDT (20:29 UTC)
Expired
May 26, 2012, 4:30 PM CDT
In force
61 min
Issued by
NWS La Crosse, WI
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Wabasha County, MN, Buffalo County, WI

The radar

The La Crosse radar (KARX), 95 km from the middle of the area, began a volume at 20:29 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

TimeReportWhereRemark
May 26, 3:55 PM CDTHAIL 1Nelson, WI
May 26, 4:03 PM CDTHAIL 1.752 N Tell, WI

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 8.5 hours before the alert went out and 134 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 2012-05-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2012-05-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 48 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
858 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
48 m²/s²
0-3 km storm-relative helicity
268 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.

705 
WUUS53 KARX 262029
SVRARX
MNC157-WIC011-262130-
/O.NEW.KARX.SV.W.0045.120526T2029Z-120526T2130Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
329 PM CDT SAT MAY 26 2012

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN WABASHA COUNTY IN SOUTHEAST MINNESOTA...
  BUFFALO COUNTY IN WEST CENTRAL WISCONSIN...

* UNTIL 430 PM CDT

* AT 329 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SEVERE THUNDERSTORMS ROUGHLY ALONG A LINE EXTENDING FROM MODENA TO
  LAKE CITY...MOVING EAST AT 30 MPH. THESE STORMS CAN PRODUCE QUARTER
  SIZE HAIL AND DAMAGING WINDS IN EXCESS OF 60 MPH.  

* THE SEVERE THUNDERSTORMS WILL BE NEAR...
  WABASHA AROUND 345 PM...
  MONDOVI AROUND 355 PM...
  ALMA AND MODENA AROUND 400 PM...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4444 9219 4442 9209 4460 9202 4460 9153
      4431 9153 4431 9247
TIME...MOT...LOC 2030Z 264DEG 26KT 4450 9194 4437 9222
WIND...HAIL 60MPH 1.00IN

$$

04
4 follow-up statements
175 
WWUS53 KARX 262045
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
345 PM CDT SAT MAY 26 2012

MNC157-WIC011-262130-
/O.CON.KARX.SV.W.0045.000000T0000Z-120526T2130Z/
WABASHA MN-BUFFALO WI-
345 PM CDT SAT MAY 26 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR BUFFALO AND
NORTHEASTERN WABASHA COUNTIES UNTIL 430 PM CDT...

AT 343 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THUNDERSTORMS WERE ROUGHLY ALONG A LINE EXTENDING FROM MODENA TO
WABASHA...MOVING EAST AT 30 MPH. THESE STORMS CAN PRODUCE QUARTER
SIZE HAIL AND DAMAGING WINDS IN EXCESS OF 60 MPH.

* THE SEVERE THUNDERSTORMS WILL BE NEAR...
  MONDOVI AND ALMA AROUND 400 PM...
  MODENA AROUND 405 PM...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4431 9218 4444 9219 4442 9209 4460 9202
      4460 9153 4431 9153
TIME...MOT...LOC 2045Z 264DEG 26KT 4454 9182 4438 9207
WIND...HAIL 60MPH 1.00IN

$$

04
378 
WWUS53 KARX 262102
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
402 PM CDT SAT MAY 26 2012

MNC157-262112-
/O.CAN.KARX.SV.W.0045.000000T0000Z-120526T2130Z/
WABASHA MN-
402 PM CDT SAT MAY 26 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN WABASHA COUNTY IS 
CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS EXITED WABASHA COUNTY.

LAT...LON 4456 9204 4459 9202 4460 9201 4460 9153
      4431 9153 4431 9191 4433 9192 4437 9197
      4439 9203 4441 9206 4441 9209
TIME...MOT...LOC 2102Z 237DEG 24KT 4442 9188

$$

WIC011-262130-
/O.CON.KARX.SV.W.0045.000000T0000Z-120526T2130Z/
BUFFALO WI-
402 PM CDT SAT MAY 26 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR BUFFALO COUNTY
UNTIL 430 PM CDT...

THE NELSON FIRE DEPARTMENT REPORTED 1 INCH HAIL WITH EARLIER STORMS.

AT 357 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THE 
SEVERE THUNDERSTORM WAS LOCATED NEAR TELL...JUST NORTHEAST OF 
ALMA...MOVING NORTHEAST AT 30 MPH. THIS STORM CAN PRODUCE QUARTER 
SIZE HAIL.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  URNE AROUND 405 PM...
  MODENA AND PRAAG AROUND 410 PM...
  MONTANA AROUND 415 PM...
  THE BIG SWAMP AREA AROUND 420 PM...
  GILMANTON AROUND 425 PM...
  MONDOVI AND LOOKOUT AROUND 430 PM...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

TORRENTIAL RAINFALL FROM THESE STORMS MAY ALSO CAUSE THE PONDING OF
WATER ON ROADWAYS AND LOCALIZED FLOODING.

&&

LAT...LON 4456 9204 4459 9202 4460 9201 4460 9153
      4431 9153 4431 9191 4433 9192 4437 9197
      4439 9203 4441 9206 4441 9209
TIME...MOT...LOC 2102Z 237DEG 24KT 4442 9188
WIND...HAIL <50MPH 1.00IN

$$

SHEA
669 
WWUS53 KARX 262114
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
414 PM CDT SAT MAY 26 2012

WIC011-262130-
/O.CON.KARX.SV.W.0045.000000T0000Z-120526T2130Z/
BUFFALO WI-
414 PM CDT SAT MAY 26 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR BUFFALO 
COUNTY UNTIL 430 PM CDT...

A SEVERE THUNDERSTORM WAS DROPPING LARGE HAIL NEAR MODENA...OR 8 
MILES NORTHEAST OF ALMA...MOVING EAST AT 30 MPH. THIS STORM CAN 
PRODUCE PING PONG BALL SIZE HAIL. STAY AWAY FROM WINDOWS.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  MONTANA AROUND 425 PM...
  GILMANTON AND LOOKOUT AROUND 430 PM...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

TORRENTIAL RAINFALL FROM THESE STORMS MAY ALSO CAUSE THE PONDING OF
WATER ON ROADWAYS AND LOCALIZED FLOODING.

&&

LAT...LON 4440 9189 4449 9186 4460 9153 4431 9153
TIME...MOT...LOC 2113Z 252DEG 21KT 4443 9180
WIND...HAIL <50MPH 1.50IN

$$

SHEA
480 
WWUS53 KARX 262128
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
428 PM CDT SAT MAY 26 2012

WIC011-262138-
/O.EXP.KARX.SV.W.0045.000000T0000Z-120526T2130Z/
BUFFALO WI-
428 PM CDT SAT MAY 26 2012

...THE SEVERE THUNDERSTORM WARNING FOR BUFFALO COUNTY WILL EXPIRE AT 
430 PM CDT...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS. HOWEVER...THE STORM REMAINS STRONG AND COULD PRODUCE SMALL
HAIL AND GUSTY WINDS...IN ADDITION TO LIGHTNING AND HEAVY RAIN.

THIS STORM HAD PRODUCED GOLF BALL SIZE EARLIER...BETWEEN MODENA AND 
ALMA.

LAT...LON 4440 9189 4449 9186 4460 9153 4431 9153
TIME...MOT...LOC 2128Z 247DEG 29KT 4447 9163

$$

SHEA

The office that day

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

IssuedProductOfficeCountiesLasted
May 26, 11:43 AM CDTSevere Thunderstorm WarningARXDodge32 min
May 26, 12:07 PM CDTSevere Thunderstorm WarningARXOlmsted38 min
May 26, 2:03 PM CDTAreal Flood AdvisoryARXHouston, Winona117 min
May 26, 4:47 PM CDTSevere Thunderstorm WarningARXJackson, Trempealeau43 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2012Severe Thunderstorm Warnings in Wisconsin, 2012Every 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.