Alert archive / Minnesota / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 13, NWS La Crosse, WI

June 22, 20154 counties in Minnesota

NWS La Crosse, WI issued this severe thunderstorm warning at Jun 22, 2015, 6:42 AM CDT for 4 counties in Minnesota. It was in force for 50 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: Jun 22, 2015, 6:42 AM CDT (11:42 UTC)
Expired: Jun 22, 2015, 7:32 AM CDT
In force: 50 min
Issued by: NWS La Crosse, WI
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Dodge County, MN, Fillmore County, MN, Mower County, MN, Olmsted County, MN

The radar

The La Crosse radar (KARX), 111 km from the middle of the area, began a volume at 11:41 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
Jun 22, 6:03 AM CDT	Severe Thunderstorm Watch	SPC	4 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 11.7 hours before the alert went out and 128 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: 10 J/kg
Mixed-layer CIN: -11 J/kg
Mixed-layer LCL: 2425 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 34 m²/s²
0-3 km storm-relative helicity: 97 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

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

496 
WUUS53 KARX 221142
SVRARX
MNC039-045-099-109-221245-
/O.NEW.KARX.SV.W.0013.150622T1142Z-150622T1245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
642 AM CDT MON JUN 22 2015

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  MOWER COUNTY IN SOUTHEASTERN MINNESOTA...
  WESTERN FILLMORE COUNTY IN SOUTHEASTERN MINNESOTA...
  OLMSTED COUNTY IN SOUTHEASTERN MINNESOTA...
  DODGE COUNTY IN SOUTHEASTERN MINNESOTA...

* UNTIL 745 AM CDT

* AT 640 AM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM 7 MILES SOUTHWEST OF FARIBAULT TO 10 MILES WEST OF
  BLOOMING PRAIRIE TO ALBERT LEA...MOVING EAST AT 50 MPH.

  HAZARD...60 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

  IMPACT...EXPECT DAMAGE TO ROOFS...SIDING AND TREES. 

* SEVERE THUNDERSTORMS WILL BE NEAR...
  BLOOMING PRAIRIE AROUND 650 AM CDT.
  CLAREMONT AROUND 700 AM CDT.
  DODGE CENTER...AUSTIN AND WEST CONCORD AROUND 705 AM CDT.
  BROWNSDALE AROUND 710 AM CDT.
  MANTORVILLE...KASSON AND HAYFIELD AROUND 715 AM CDT.
  BYRON AND PINE ISLAND AROUND 720 AM CDT.
  ROCHESTER AND GRAND MEADOW AROUND 725 AM CDT.
  ORONOCO AROUND 730 AM CDT.

THIS WARNING REPLACES THE PREVIOUS SEVERE THUNDERSTORM WARNING FOR PARTS OF 
MOWER AND DODGE COUNTIES.

STRONG WINDS CAN BE EXPECTED BEHIND THESE STORMS AS WELL SO BE ALERT FOR THAT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

TORRENTIAL RAINFALL IS OCCURRING WITH THESE STORMS...AND MAY LEAD TO
FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.

&&

LAT...LON 4420 9304 4420 9233 4411 9232 4410 9208
      4350 9210 4350 9305
TIME...MOT...LOC 1140Z 249DEG 42KT 4422 9336 4390 9324 4367 9335 

HAIL...<.75IN
WIND...60MPH
 
$$

SHEA

2 follow-up statements

434 
WWUS53 KARX 221205
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
705 AM CDT MON JUN 22 2015

MNC039-045-099-109-221245-
/O.CON.KARX.SV.W.0013.000000T0000Z-150622T1245Z/
MOWER MN-FILLMORE MN-OLMSTED MN-DODGE MN-
705 AM CDT MON JUN 22 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 AM CDT
FOR MOWER...WESTERN FILLMORE...OLMSTED AND DODGE COUNTIES...

AT 705 AM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR MANTORVILLE TO 6 MILES NORTH OF GRAND MEADOW TO
ADAMS...MOVING SOUTHEAST AT 55 MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

IMPACT...EXPECT DAMAGE TO ROOFS...SIDING AND TREES. 

THESE SEVERE STORMS WILL BE NEAR...
  GRAND MEADOW AND STEWARTVILLE AROUND 710 AM CDT.
  SPRING VALLEY...ROCHESTER AND LE ROY AROUND 715 AM CDT.
  WYKOFF AROUND 720 AM CDT.
  EYOTA AND FOUNTAIN AROUND 725 AM CDT.
  PRESTON AND DOVER AROUND 730 AM CDT.
  CHATFIELD AROUND 735 AM CDT.

OTHER LOCATIONS IMPACTED BY THESE SEVERE THUNDERSTORMS INCLUDE
RAMSEY...FILLMORE...MARION...HIGH FOREST AND LANSING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

TORRENTIAL RAINFALL IS OCCURRING WITH THESE STORMS...AND MAY LEAD TO
FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.

&&

LAT...LON 4420 9304 4420 9233 4411 9232 4410 9208
      4350 9210 4350 9305
TIME...MOT...LOC 1205Z 293DEG 62KT 4412 9274 4380 9262 4357 9273 

HAIL...<.75IN
WIND...60MPH
 
$$

SHEA

126 
WWUS53 KARX 221232
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
732 AM CDT MON JUN 22 2015

MNC039-045-099-109-221241-
/O.CAN.KARX.SV.W.0013.000000T0000Z-150622T1245Z/
MOWER MN-FILLMORE MN-OLMSTED MN-DODGE MN-
732 AM CDT MON JUN 22 2015

...THE SEVERE THUNDERSTORM WARNING FOR MOWER...WESTERN FILLMORE...
OLMSTED AND DODGE COUNTIES IS CANCELLED...
            
THE STORMS WHICH PROMPTED THE WARNING HAVE WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
THEREFORE THE WARNING HAS BEEN CANCELLED.

THERE IS STILL A RISK OF HIGHER WINDS AFTER THESE STORMS CLEAR THE AREA. THERE 
COULD BE WIND GUSTS OF 40 TO 50 MPH AS THE ATMOSPHERE RECOVERS IN WAKE OF THESE 
STORMS.

LAT...LON 4420 9304 4420 9233 4411 9232 4410 9208
      4350 9210 4350 9305
TIME...MOT...LOC 1230Z 249DEG 42KT 4423 9236 4390 9224 4368 9235 

$$

SHEA

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 22, 4:38 AM CDT	Special Weather Statement	ARX	Mower	37 min
Jun 22, 5:15 AM CDT	Special Weather Statement	ARX	Mower	45 min
Jun 22, 5:49 AM CDT	Severe Thunderstorm Warning	ARX	Dodge, Mower	56 min
Jun 22, 6:04 AM CDT	Special Weather Statement	ARX	Dodge, Fillmore, Mower, Olmsted	56 min
Jun 22, 6:28 AM CDT	Flash Flood Warning	ARX	Mower	4 hr
Jun 22, 7:32 AM CDT	River Flood Warning	ARX	Mower	34 hr
Jun 22, 7:58 AM CDT	Wind Advisory	ARX	Dodge, Fillmore, Mower, Olmsted, Wabasha	3 hr
Jun 22, 8:08 AM CDT	River Flood Warning	ARX	Mower	61 hr

Nearby

Severe Thunderstorm Warnings in Minnesota, 2015 Every severe thunderstorm warning 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.