Alert archive / Iowa / Wind Advisories in 2015

Wind Advisory 2, NWS La Crosse, WI

April 1, 20154 counties in Minnesota; 6 counties in Iowa

NWS La Crosse, WI issued this wind advisory at Apr 1, 2015, 3:57 AM CDT for 4 counties in Minnesota; 6 counties in Iowa. It took effect at Apr 1, 2015, 1:00 PM CDT. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued
Apr 1, 2015, 3:57 AM CDT (08:57 UTC)
In effect from
Apr 1, 2015, 1:00 PM CDT
Expired
Apr 1, 2015, 6:00 PM CDT
In force
5 hr
Issued by
NWS La Crosse, WI

Counties Chickasaw County, IA, Fayette County, IA, Floyd County, IA, Howard County, IA, Mitchell County, IA, Winneshiek County, IA, Dodge County, MN, Fillmore County, MN, Mower County, MN, Olmsted County, MN

The radar

The La Crosse radar (KARX), 106 km from the middle of the area, began a volume at 09:02 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 nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 9.0 hours before the alert went out and 184 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 00:00Z on 2015-04-01Temperature 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 00:00Z on 2015-04-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 48 square meters per square second.1939587897Sfc1 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
2453 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
48 m²/s²
0-3 km storm-relative helicity
142 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.

000 
WWUS73 KARX 010857
NPWARX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LA CROSSE WI
357 AM CDT WED APR 1 2015

...STRONG WINDS TO DEVELOP THIS AFTERNOON...

.STRONG SOUTH WINDS OF 20 TO 30 MPH WITH GUSTS OF 40 TO 50 MPH
WILL DEVELOP ACROSS THE AREA THIS AFTERNOON AHEAD OF AN
APPROACHING COLD FRONT. THE STRONGEST WIND GUSTS ARE EXPECTED TO
OCCUR DURING THE MIDDLE OF THE AFTERNOON. HIGH PROFILE VEHICLES
MAY HAVE PROBLEMS DRIVING ON EAST WEST ORIENTED ROADS TODAY. THE
WINDS ARE EXPECTED TO SUBSIDE EARLY THIS EVENING.

IAZ008>010-018-019-029-MNZ086-087-094-095-011700-
/O.NEW.KARX.WI.Y.0002.150401T1800Z-150401T2300Z/
MITCHELL-HOWARD-WINNESHIEK-FLOYD-CHICKASAW-FAYETTE-DODGE-OLMSTED-
MOWER-FILLMORE-
INCLUDING THE CITIES OF...DECORAH...CHARLES CITY...OELWEIN...
ROCHESTER...AUSTIN
357 AM CDT WED APR 1 2015

...WIND ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO 6 PM CDT
THIS EVENING...

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 1 PM THIS AFTERNOON TO 6 PM
CDT THIS EVENING. 

* STRONG WINDS WILL DEVELOP EARLY THIS AFTERNOON AND CONTINUE
  UNTIL LATE AFTERNOON. 

* SOUTH WINDS OF 20 TO 30 MPH WITH GUSTS OF 40 TO 50 MPH CAN BE
  EXPECTED.

* HIGH PROFILE VEHICLES MAY HAVE DIFFICULTY DRIVING ON EAST WEST
  ORIENTED ROADS DUE TO THE STRONG WINDS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 MPH OR HIGHER...
OR GUSTS OVER 45 MPH...ARE EXPECTED. WINDS THIS STRONG CAN MAKE
DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE
EXTRA CAUTION.

&&

$$

04
4 follow-up statements
391 
WWUS73 KARX 011421
NPWARX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LA CROSSE WI
921 AM CDT WED APR 1 2015

...STRONG WINDS TO DEVELOP THIS AFTERNOON...

.WINDS ACROSS SOUTHEAST MINNESOTA AND NORTHEAST IOWA AS OF 9 AM
WERE MOSTLY 10 TO 15 MPH WITH SOME GUSTS UP TO 25 MPH. FURTHER
WEST ACROSS SOUTHWEST MINNESOTA AND NORTHWEST IOWA WINDS WERE 20
TO 30 MPH WITH SOME GUSTS ALREADY IN THE 40 TO 45 MPH RANGE.
THESE WINDS WILL CONTINUE TO INCREASE AS TEMPERATURES WARM
TODAY...AND SPREAD EAST INTO THE AREA THIS AFTERNOON.

STRONG SOUTH WINDS OF 20 TO 30 MPH WITH GUSTS OF 40 TO 50 MPH
ARE GOING TO SPREAD ACROSS THE AREA THIS AFTERNOON AHEAD OF AN
APPROACHING COLD FRONT. THE STRONGEST WIND GUSTS ARE EXPECTED TO
OCCUR DURING THE MIDDLE OF THE AFTERNOON. LIGHT-WEIGHT AND HIGH
PROFILE VEHICLES MAY HAVE PROBLEMS DRIVING ON EAST-WEST ORIENTED
ROADS TODAY. THE WINDS ARE EXPECTED TO SUBSIDE EARLY THIS EVENING.

IAZ008>010-018-019-029-MNZ086-087-094-095-012230-
/O.CON.KARX.WI.Y.0002.150401T1800Z-150401T2300Z/
MITCHELL-HOWARD-WINNESHIEK-FLOYD-CHICKASAW-FAYETTE-DODGE-OLMSTED-
MOWER-FILLMORE-
INCLUDING THE CITIES OF...DECORAH...CHARLES CITY...OELWEIN...
ROCHESTER...AUSTIN
921 AM CDT WED APR 1 2015

...WIND ADVISORY REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO
6 PM CDT THIS EVENING...

* STRONG WINDS WILL DEVELOP EARLY THIS AFTERNOON AND CONTINUE 
  UNTIL LATE AFTERNOON. 

* SOUTH WINDS OF 20 TO 30 MPH WITH GUSTS OF 40 TO 50 MPH CAN BE 
  EXPECTED. 

* LIGHT-WEIGHT AND HIGH PROFILE VEHICLES MAY HAVE DIFFICULTY
  DRIVING ON EAST WEST ORIENTED ROADS DUE TO THE STRONG WINDS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 MPH OR HIGHER...
OR GUSTS OVER 45 MPH...ARE EXPECTED. WINDS THIS STRONG CAN MAKE
DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE
EXTRA CAUTION.

&&

$$
RRS
653 
WWUS73 KARX 011741
NPWARX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LA CROSSE WI
1241 PM CDT WED APR 1 2015

...STRONGER WINDS SPREADING IN EARLY THIS AFTERNOON...

.AS OF 1215 PM...WINDS ACROSS SOUTHEAST MINNESOTA AND NORTHEAST
IOWA WERE MOSTLY 15 TO 25 MPH WITH GUSTS OF 25 TO 35 MPH. WEST OF
INTERSTATE 35...SOUTH WINDS WERE 20 TO 30 MPH WITH SOME GUSTS IN
THE 35 TO 40 MPH RANGE WERE COMMON.

STRONG SOUTH WINDS OF 20 TO 30 MPH WITH GUSTS OF 40 TO 50 MPH ARE
GOING TO SPREAD ACROSS THE AREA THIS AFTERNOON...AHEAD OF AN
APPROACHING COLD FRONT. THE STRONGEST WIND GUSTS ARE EXPECTED TO
OCCUR DURING THE MIDDLE OF THE AFTERNOON. LIGHT-WEIGHT AND HIGH
PROFILE VEHICLES MAY HAVE PROBLEMS DRIVING ON EAST-WEST ORIENTED
ROADS TODAY. THE WINDS ARE EXPECTED TO SUBSIDE EARLY THIS
EVENING.

IAZ008>010-018-019-029-MNZ086-087-094-095-012300-
/O.CON.KARX.WI.Y.0002.150401T1800Z-150401T2300Z/
MITCHELL-HOWARD-WINNESHIEK-FLOYD-CHICKASAW-FAYETTE-DODGE-OLMSTED-
MOWER-FILLMORE-
INCLUDING THE CITIES OF...DECORAH...CHARLES CITY...OELWEIN...
ROCHESTER...AUSTIN
1241 PM CDT WED APR 1 2015

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM CDT THIS EVENING...

* STRONG WINDS WILL DEVELOP EARLY THIS AFTERNOON AND CONTINUE 
  UNTIL LATE AFTERNOON. 

* SOUTH WINDS OF 20 TO 30 MPH WITH GUSTS OF 40 TO 50 MPH CAN BE 
  EXPECTED. 

* LIGHT-WEIGHT AND HIGH PROFILE VEHICLES MAY HAVE DIFFICULTY 
  DRIVING ON EAST WEST ORIENTED ROADS DUE TO THE STRONG WINDS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 MPH OR HIGHER...
OR GUSTS OVER 45 MPH...ARE EXPECTED. WINDS THIS STRONG CAN MAKE
DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE
EXTRA CAUTION.

&&

$$
RRS
489 
WWUS73 KARX 012026
NPWARX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LA CROSSE WI
326 PM CDT WED APR 1 2015

...STRONG SOUTH WINDS ACROSS THE AREA AT MID AFTERNOON...

.AS OF 315 PM...WINDS ACROSS SOUTHEAST MINNESOTA AND NORTHEAST
IOWA WERE MOSTLY 20 TO 30 WITH GUSTS OF 35 TO 45 MPH. SOME PEAK
GUSTS AROUND 3 PM INCLUDED 48 MPH AT PRESTON MINNESOTA AND 45 MPH
AT OELWEIN IOWA.

STRONG SOUTH WINDS OF 20 TO 30 MPH WITH GUSTS OF 40 TO 50 MPH ARE
GOING CONTINUE ACROSS THE AREA THROUGH 5 PM...THEN BEGIN TO 
DECREASE AS A COLD FRONT APPROACHES. LIGHT-WEIGHT AND HIGH PROFILE
VEHICLES MAY HAVE PROBLEMS DRIVING ON EAST-WEST ORIENTED ROADS
TODAY. THE WINDS WILL CONTINUE TO DECREASE THROUGH THE EVENING.

IAZ008>010-018-019-029-MNZ086-087-094-095-012300-
/O.CON.KARX.WI.Y.0002.000000T0000Z-150401T2300Z/
MITCHELL-HOWARD-WINNESHIEK-FLOYD-CHICKASAW-FAYETTE-DODGE-OLMSTED-
MOWER-FILLMORE-
INCLUDING THE CITIES OF...DECORAH...CHARLES CITY...OELWEIN...
ROCHESTER...AUSTIN
326 PM CDT WED APR 1 2015

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM CDT THIS EVENING...

* STRONG WINDS WILL CONTINUE THROUGH 5 PM THEN BEGIN TO DECREASE.

* SOUTH WINDS OF 20 TO 30 MPH WITH GUSTS OF 40 TO 50 MPH CAN BE 
  EXPECTED. 

* LIGHT-WEIGHT AND HIGH PROFILE VEHICLES MAY HAVE DIFFICULTY 
  DRIVING ON EAST WEST ORIENTED ROADS DUE TO THE STRONG WINDS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 MPH OR HIGHER...
OR GUSTS OVER 45 MPH...ARE EXPECTED. WINDS THIS STRONG CAN MAKE
DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE
EXTRA CAUTION.

&&

$$
RRS
059 
WWUS73 KARX 012308
NPWARX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LA CROSSE WI
608 PM CDT WED APR 1 2015

...WINDS TO GRADUALLY DIMINISH TONIGHT...

.WINDS WILL STAY BREEZY AND GUSTY THROUGH THE EARLY PART OF THE
EVENING...BUT WILL BE ON A DIMINISHING TREND. THE ADVISORY HAS
BEEN ALLOWED TO EXPIRE AS A RESULT.

IAZ008>010-018-019-029-MNZ086-087-094-095-020015-
/O.EXP.KARX.WI.Y.0002.000000T0000Z-150401T2300Z/
MITCHELL-HOWARD-WINNESHIEK-FLOYD-CHICKASAW-FAYETTE-DODGE-OLMSTED-
MOWER-FILLMORE-
INCLUDING THE CITIES OF...DECORAH...CHARLES CITY...OELWEIN...
ROCHESTER...AUSTIN
608 PM CDT WED APR 1 2015

...WIND ADVISORY HAS EXPIRED...

WINDS WILL STAY BREEZY AND GUSTY INTO THE EARLY EVENING...BUT WILL
BE ON A DIMINISHING TREND. THE ADVISORY HAS BEEN ALLOWED TO
EXPIRE.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 1, 4:26 AM CDTRed Flag WarningARXDodge, Fillmore, Houston, Mower, Olmsted, Wabasha and 1 more15 hr
Apr 1, 3:00 PM CDTFire Weather WatchARXDodge, Fillmore, Houston, Mower, Olmsted, Wabasha and 1 more13 hr

Nearby

Wind Advisories in Iowa, 2015Wind Advisories in Minnesota, 2015Every wind advisory 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.