Alert archive / Minnesota / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 73, NWS La Crosse, WI

August 18, 2016Fillmore County, Houston County, Winona County, Minnesota

NWS La Crosse, WI issued this severe thunderstorm warning at Aug 18, 2016, 5:50 PM CDT for Fillmore County, Houston County, Winona County, Minnesota. It was in force for 70 min. 5 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
Aug 18, 2016, 5:50 PM CDT (22:50 UTC)
Expired
Aug 18, 2016, 7:00 PM CDT
In force
70 min
Issued by
NWS La Crosse, WI
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Fillmore County, MN, Houston County, MN, Winona County, MN

The radar

The La Crosse radar (KARX), 27 km from the middle of the area, began a volume at 22:50 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
Aug 18, 6:13 PM CDTTSTM WND GST 65Rushford, MNTREES AND POWER LINES DOWN. LOSS POWER AND PEA SIZE HAIL.
Aug 18, 6:45 PM CDTTSTM WND GST 403 Wsw La Crescent, MNREPORTED AT WXOW STUDIOS
Aug 18, 6:45 PM CDTTSTM WND GST 403 Wsw La Crescent, MNREPORTED AT WXOW STUDIOS.
Aug 18, 6:54 PM CDTTSTM WND GST 413 W La Crescent, MN
Aug 18, 7:10 PM CDTTSTM WND GST 50Eitzen, 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.

IssuedProductOfficeLasted
Aug 18, 2:46 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 10.8 hours before the alert went out and 210 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 2016-08-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 133 joules per kilogram.LCLLFCEL10008507005003002001001 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 2016-08-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 67 square meters per square second.1939Sfc1 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
133 J/kg
Mixed-layer CIN
-132 J/kg
Mixed-layer LCL
1165 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
67 m²/s²
0-3 km storm-relative helicity
109 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

180 
WUUS53 KARX 182250
SVRARX
MNC045-055-169-190000-
/O.NEW.KARX.SV.W.0073.160818T2250Z-160819T0000Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
550 PM CDT THU AUG 18 2016

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN WINONA COUNTY IN SOUTHEASTERN MINNESOTA...
  EASTERN FILLMORE COUNTY IN SOUTHEASTERN MINNESOTA...
  HOUSTON COUNTY IN SOUTHEASTERN MINNESOTA...

* UNTIL 700 PM CDT

* AT 547 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM NEAR EYOTA TO NEAR FOUNTAIN TO 6 MILES WEST OF
  HARMONY...MOVING EAST AT 40 MPH.

  HAZARD...60 MPH WIND GUSTS. 

  SOURCE...TRAINED SPOTTERS HAVE REPORTED WINDS IN THE 50 TO 60 MPH
           RANGE.  

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

* SEVERE THUNDERSTORMS WILL BE NEAR...
  PRESTON AROUND 550 PM CDT. 
  HARMONY AND LANESBORO AROUND 555 PM CDT. 
  ST. CHARLES AROUND 605 PM CDT. 
  RUSHFORD AROUND 610 PM CDT.
  MABEL AROUND 615 PM CDT. 
  HOUSTON AND SPRING GROVE AROUND 625 PM CDT. 
  CALEDONIA AROUND 635 PM CDT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

LAT...LON 4401 9208 4395 9161 4388 9131 4378 9124
      4371 9127 4361 9127 4358 9123 4354 9125
      4352 9122 4350 9122 4350 9209
TIME...MOT...LOC 2247Z 272DEG 35KT 4393 9230 4380 9207 4357 9214 

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

DAB
3 follow-up statements
471 
WWUS53 KARX 182319
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
619 PM CDT THU AUG 18 2016

MNC045-055-169-190000-
/O.CON.KARX.SV.W.0073.000000T0000Z-160819T0000Z/
WINONA MN-FILLMORE MN-HOUSTON MN-
619 PM CDT THU AUG 18 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM CDT
FOR SOUTHWESTERN WINONA...EASTERN FILLMORE AND HOUSTON COUNTIES...

AT 616 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 6 MILES SOUTH OF LEWISTON TO RUSHFORD TO NEAR
MABEL...MOVING EAST AT 35 MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...TRAINED WEATHER SPOTTERS REPORTED WINDS IN THE 60 TO 70 MPH
         RANGE NEAR PRESTON AT 615 PM. 

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

THESE SEVERE STORMS WILL BE NEAR...
  HOUSTON AND SPRING GROVE AROUND 625 PM CDT. 
  CALEDONIA AROUND 635 PM CDT. 
  HOKAH AROUND 645 PM CDT. 
  BROWNSVILLE AROUND 650 PM CDT. 
  NEW ALBIN AROUND 655 PM CDT. 


PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4396 9208 4387 9161 4380 9132 4378 9124
      4371 9127 4361 9127 4358 9123 4354 9125
      4352 9122 4350 9122 4350 9209
TIME...MOT...LOC 2316Z 273DEG 30KT 4389 9189 4370 9168 4350 9174 

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

DAB
899 
WWUS53 KARX 182345
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
645 PM CDT THU AUG 18 2016

MNC045-055-169-190000-
/O.CON.KARX.SV.W.0073.000000T0000Z-160819T0000Z/
WINONA MN-FILLMORE MN-HOUSTON MN-
645 PM CDT THU AUG 18 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM CDT
FOR SOUTH CENTRAL WINONA...NORTHEASTERN FILLMORE AND HOUSTON
COUNTIES...

AT 644 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR DAKOTA TO STODDARD TO NEAR NEW ALBIN...MOVING
EAST AT 45 MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...TRAINED WEATHER SPOTTERS HAVE BEEN REPORTED ISOLATED WIND
         DAMAGE THROUGH CENTRAL FILLMORE COUNTY WHEN THESE STORMS
         MOVED THROUGH. 

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

THERE HAVE BEEN NO REPORTS OF WIND DAMAGE IN THE LAST 30 MINUTES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4390 9193 4387 9161 4380 9132 4378 9124
      4371 9127 4361 9127 4358 9123 4354 9125
      4352 9122 4350 9122 4350 9168 4359 9189
TIME...MOT...LOC 2344Z 275DEG 37KT 4385 9144 4366 9123 4346 9129 

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

DAB
802 
WWUS53 KARX 182357
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
657 PM CDT THU AUG 18 2016

MNC045-169-190003-
/O.CAN.KARX.SV.W.0073.000000T0000Z-160819T0000Z/
WINONA MN-FILLMORE MN-
657 PM CDT THU AUG 18 2016

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL WINONA AND
NORTHEASTERN FILLMORE COUNTIES IS CANCELLED...
    
THE SEVERE THUNDERSTORM WARNING HAS MOVED EAST AND THEREFORE THE
WARNING IS EXPIRED. 

LAT...LON 4381 9173 4385 9163 4385 9160 4378 9125
      4377 9124 4371 9127 4361 9127 4358 9123
      4354 9125 4352 9122 4350 9122 4352 9150
      4366 9172
TIME...MOT...LOC 2353Z 250DEG 43KT 4378 9132 

$$

MNC055-190000-
/O.CON.KARX.SV.W.0073.000000T0000Z-160819T0000Z/
HOUSTON MN-
657 PM CDT THU AUG 18 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM CDT
FOR HOUSTON COUNTY...

AT 653 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER HOKAH...OR
NEAR LA CRESCENT...MOVING EAST AT 50 MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...TRAINED WEATHER SPOTTERS. 

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

THE WARNING WILL BE ALLOWED TO EXPIRE AT 7 PM AS THE SYSTEM IS
WEAKENING. HOWEVER...WINDS OF 40 TO 50 MPH ARE STILL POSSIBLE...AND
ISOLATED WEAKER TREES MAY FALL FROM THESE WINDS.  

REMAIN INDOORS UNTIL THE STORMS PASS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4381 9173 4385 9163 4385 9160 4378 9125
      4377 9124 4371 9127 4361 9127 4358 9123
      4354 9125 4352 9122 4350 9122 4352 9150
      4366 9172
TIME...MOT...LOC 2353Z 250DEG 43KT 4378 9132 

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

DAB

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 18, 3:57 PM CDTSpecial Weather StatementARXDodge, Mower, Olmsted93 min
Aug 18, 4:29 PM CDTSevere Thunderstorm WarningARXDodge, Mower61 min
Aug 18, 4:59 PM CDTSevere Thunderstorm WarningARXFillmore, Mower, Olmsted61 min
Aug 18, 5:06 PM CDTAreal Flood AdvisoryARXMower54 min
Aug 18, 5:51 PM CDTSpecial Weather StatementARXHouston, Winona54 min
Aug 18, 6:01 PM CDTSevere Thunderstorm WarningARXFillmore29 min
Aug 18, 6:25 PM CDTSpecial Weather StatementARXHouston50 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2016Every severe thunderstorm warning in 2016

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.