Alert archive / Iowa / Wind Advisories in 2011

Wind Advisory 4, NWS La Crosse, WI

April 4, 20117 counties in Iowa; 4 counties in Minnesota

NWS La Crosse, WI issued this wind advisory at Apr 4, 2011, 2:01 AM CDT for 7 counties in Iowa; 4 counties in Minnesota. It took effect at Apr 4, 2011, 7:00 AM CDT. It was in force for 11 hr.

The area

The counties it named.

The facts

Issued
Apr 4, 2011, 2:01 AM CDT (07:01 UTC)
In effect from
Apr 4, 2011, 7:00 AM CDT
Expired
Apr 4, 2011, 6:00 PM CDT
In force
11 hr
Issued by
NWS La Crosse, WI

Counties Chickasaw County, IA, Clayton 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), 102 km from the middle of the area, began a volume at 07:03 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, 7.0 hours before the alert went out and 193 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 2011-04-04Temperature 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 2011-04-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -69 square meters per square second.1939587897117Sfc1 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
1230 m above ground
0-6 km bulk shear
64 kt
0-1 km storm-relative helicity
-69 m²/s²
0-3 km storm-relative helicity
-40 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.

785 
WWUS73 KARX 040701
NPWARX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LA CROSSE WI
201 AM CDT MON APR 4 2011

...WINDY CONDITIONS EXPECTED TODAY ACROSS PORTIONS OF SOUTHEAST
MINNESOTA AND NORTHEAST IOWA...

.PLAN ON WINDY CONDITIONS ACROSS MUCH OF THE UPPER MISSISSIPPI
RIVER VALLEY REGION TODAY...IN THE WAKE OF A LOW PRESSURE SYSTEM
THAT MOVED THROUGH YESTERDAY. THE STRONGEST WINDS ARE EXPECTED
ALONG AND WEST OF A LINE FROM EYOTA MINNESOTA TO NEW HAMPTON IOWA.
IN THIS AREA...NORTHWEST WINDS WILL INCREASE TO AROUND 30 MPH THIS
MORNING WITH GUSTS APPROACHING 45 MPH. LOOK FOR WINDS TO DIMINISH
THIS EVENING AS HIGH PRESSURE BUILDS IN FROM THE NORTHERN PLAINS. 

IAZ008-009-018-019-MNZ086-087-094-095-041500-
/O.NEW.KARX.WI.Y.0004.110404T1200Z-110404T2300Z/
MITCHELL-HOWARD-FLOYD-CHICKASAW-DODGE-OLMSTED-MOWER-FILLMORE-
INCLUDING THE CITIES OF...CHARLES CITY...ROCHESTER...AUSTIN
201 AM CDT MON APR 4 2011

...WIND ADVISORY IN EFFECT FROM 7 AM THIS MORNING TO 6 PM CDT
THIS EVENING...

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 7 AM THIS MORNING TO 6 PM CDT
THIS EVENING. 

* NORTHWEST WINDS OF 10 TO 20 MPH EARLY THIS MORNING ARE EXPECTED
  TO INCREASE TO AROUND 30 MPH BY LATE MORNING. GUSTS TO 45 MPH
  ARE POSSIBLE AS WELL. LOOK FOR THE WINDS TO BEGIN DIMINISHING
  THIS EVENING.

* TRAVEL ON NORTH SOUTH ROADWAYS MAY BE DIFFICULT TODAY...
  ESPECIALLY FOR HIGH PROFILE VEHICLES.

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.

&&

$$

AJ

WEATHER.GOV/LACROSSE
6 follow-up statements
779 
WWUS73 KARX 041024
NPWARX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LA CROSSE WI
524 AM CDT MON APR 4 2011

...WINDY CONDITIONS EXPECTED TODAY ACROSS PORTIONS OF SOUTHEAST
MINNESOTA AND NORTHEAST IOWA...

.PLAN ON WINDY CONDITIONS ACROSS MUCH OF THE UPPER MISSISSIPPI
RIVER VALLEY REGION TODAY...IN THE WAKE OF A LOW PRESSURE SYSTEM
THAT MOVED THROUGH YESTERDAY. THE STRONGEST WINDS ARE EXPECTED
ALONG AND WEST OF A LINE FROM EYOTA MINNESOTA TO NEW HAMPTON
IOWA. IN THIS AREA...NORTHWEST WINDS WILL INCREASE TO AROUND
30 MPH THIS MORNING WITH GUSTS APPROACHING 45 MPH. GUSTS IN THE 25
TO 35 MPH RANGE HAVE ALREADY BEEN REPORTED AT THE ROCHESTER
MINNESOTA AIRPORT AND NEAR IONIA IOWA. LOOK FOR WINDS TO DIMINISH
THIS EVENING AS HIGH PRESSURE BUILDS IN FROM THE NORTHERN PLAINS.

IAZ008-009-018-019-MNZ086-087-094-095-041830-
/O.CON.KARX.WI.Y.0004.110404T1200Z-110404T2300Z/
MITCHELL-HOWARD-FLOYD-CHICKASAW-DODGE-OLMSTED-MOWER-FILLMORE-
INCLUDING THE CITIES OF...CHARLES CITY...ROCHESTER...AUSTIN
524 AM CDT MON APR 4 2011

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

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

* NORTHWEST WINDS OF 15 TO 25 MPH EARLY THIS MORNING ARE EXPECTED
  TO INCREASE TO AROUND 30 MPH BY LATE MORNING. GUSTS TO 45 MPH
  ARE POSSIBLE AS WELL. LOOK FOR THE WINDS TO BEGIN DIMINISHING
  THIS EVENING.

* TRAVEL ON NORTH SOUTH ROADWAYS MAY BE DIFFICULT TODAY... 
  ESPECIALLY FOR HIGH PROFILE VEHICLES. 

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.

&&

$$

AJ

WEATHER.GOV/LACROSSE
929 
WWUS73 KARX 041253
NPWARX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LA CROSSE WI
753 AM CDT MON APR 4 2011

...WINDY CONDITIONS EXPECTED TODAY ACROSS PORTIONS OF SOUTHEAST
MINNESOTA AND NORTHEAST IOWA...

.PLAN ON WINDY CONDITIONS ACROSS MUCH OF THE UPPER MISSISSIPPI
RIVER VALLEY REGION TODAY IN THE WAKE OF A LOW PRESSURE SYSTEM
THAT MOVED THROUGH YESTERDAY. THE STRONGEST WINDS ARE EXPECTED
ALONG AND WEST OF A LINE FROM EYOTA MINNESOTA TO NEW HAMPTON IOWA.
IN THIS AREA...NORTHWEST WINDS WILL INCREASE TO AROUND 30 MPH THIS
MORNING WITH GUSTS APPROACHING 45 MPH. GUSTS IN THE 25 TO 35 MPH
RANGE HAVE ALREADY BEEN REPORTED AT THE ROCHESTER MINNESOTA
AIRPORT...CHARLES CITY IOWA AND NEAR IONIA IOWA. LOOK FOR WINDS TO
DIMINISH THIS EVENING AS HIGH PRESSURE BUILDS IN FROM THE NORTHERN
PLAINS.

IAZ008-009-018-019-MNZ086-087-094-095-042100-
/O.CON.KARX.WI.Y.0004.000000T0000Z-110404T2300Z/
MITCHELL-HOWARD-FLOYD-CHICKASAW-DODGE-OLMSTED-MOWER-FILLMORE-
INCLUDING THE CITIES OF...CHARLES CITY...ROCHESTER...AUSTIN
753 AM CDT MON APR 4 2011

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

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

* NORTHWEST WINDS OF 15 TO 25 MPH ARE EXPECTED TO INCREASE TO
  AROUND 30 MPH BY LATE MORNING...THEN CONTINUE THROUGH THE
  AFTERNOON. GUSTS TO 45 MPH ARE POSSIBLE AS WELL. LOOK FOR THE
  WINDS TO BEGIN DIMINISHING THIS EVENING.

* TRAVEL ON NORTH SOUTH ROADWAYS MAY BE DIFFICULT TODAY... 
  ESPECIALLY FOR HIGH PROFILE VEHICLES. 

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.

&&

$$

AJ

WEATHER.GOV/LACROSSE
320 
WWUS73 KARX 041527
NPWARX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LA CROSSE WI
1027 AM CDT MON APR 4 2011

...WINDY EARLY APRIL DAY ON TAP...

.BLUSTERY NORTHWEST WINDS WILL GUST AS HIGH AS 45 MPH AT TIMES
TODAY OVER MAINLY PARTS OF SOUTHEAST MINNESOTA AND NORTHEAST IOWA.
AS OF LATE MORNING...WIND GUSTS OF 43 MPH HAVE BEEN OBSERVED AT
OELWEIN IOWA AND NEARLY 40 MPH AT ROCHESTER MINNESOTA. WINDS ARE
EXPECTED TO DIMINISH THIS EVENING.

IAZ008-009-018-019-MNZ086-087-094-095-042300-
/O.CON.KARX.WI.Y.0004.000000T0000Z-110404T2300Z/
MITCHELL-HOWARD-FLOYD-CHICKASAW-DODGE-OLMSTED-MOWER-FILLMORE-
INCLUDING THE CITIES OF...CHARLES CITY...ROCHESTER...AUSTIN
1027 AM CDT MON APR 4 2011

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

* NORTHWEST WINDS OF 25 TO 30 MPH WILL GUST AS HIGH AS 45 MPH AT
  TIMES THIS AFTERNOON. 

* TRAVEL ON NORTH SOUTH ROADWAYS MAY BE DIFFICULT TODAY... 
  ESPECIALLY FOR HIGH PROFILE VEHICLES. 

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.

&&

$$

WEATHER.GOV/LACROSSE

SHEA
353 
WWUS73 KARX 041644
NPWARX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LA CROSSE WI
1144 AM CDT MON APR 4 2011

...WINDS REMAIN STRONG THIS AFTERNOON...

.STRONG NORTHWEST WINDS REMAINED HIGH LATE THIS MORNING WITH GUSTS
OF 40 TO 45 MPH BEING REPORTS IN PARTS OF SOUTHEAST MINNESOTA AND
NORTHEAST IOWA ESPECIALLY. THE WIND ADVISORY IS BEING EXPANDED TO
COVER MORE AREAS THAT WILL EXPERIENCE STRONG WINDS THROUGH THE
AFTERNOON. 

HIGH WINDS WILL PERSIST INTO THE EARLY EVENING BEFORE DIMINISHING.

THOSE WITH HIGH PROFILE VEHICLES SHOULD USE CAUTION WHEN TRAVELING
IN OPEN COUNTRY TODAY.

IAZ010-029-030-042300-
/O.EXA.KARX.WI.Y.0004.000000T0000Z-110404T2300Z/
WINNESHIEK-FAYETTE-CLAYTON-
INCLUDING THE CITIES OF...DECORAH...OELWEIN
1144 AM CDT MON APR 4 2011

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

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

* WIND GUSTS OF 40 TO 45 MPH CAN BE EXPECTED THIS AFTERNOON.

* TRAVEL ON NORTH SOUTH ROADWAYS MAY BE DIFFICULT TODAY... 
  ESPECIALLY FOR HIGH PROFILE VEHICLES. 

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.

&&

$$

IAZ008-009-018-019-MNZ086-087-094-095-042300-
/O.CON.KARX.WI.Y.0004.000000T0000Z-110404T2300Z/
MITCHELL-HOWARD-FLOYD-CHICKASAW-DODGE-OLMSTED-MOWER-FILLMORE-
INCLUDING THE CITIES OF...CHARLES CITY...ROCHESTER...AUSTIN
1144 AM CDT MON APR 4 2011

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

* WIND GUSTS OF 40 TO 45 MPH WILL BE COMMON THROUGH THE DAY.

* TRAVEL ON NORTH SOUTH ROADWAYS MAY BE DIFFICULT TODAY... 
  ESPECIALLY FOR HIGH PROFILE VEHICLES. 

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.

&&

$$

WEATHER.GOV/LACROSSE

SHEA
682 
WWUS73 KARX 042028
NPWARX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LA CROSSE WI
328 PM CDT MON APR 4 2011

...WINDS STARTING TO DIMINISH BUT STILL QUITE STRONG...

.BLUSTERY NORTHWEST WINDS REMAIN QUITE STRONG LATE THIS AFTERNOON
WITH MANY AREAS IN SOUTHEAST MINNESOTA AND NORTHEAST IOWA STILL
GUSTING BETWEEN 30 AND 40 MPH. SO FAR TODAY THE PEAK WIND GUSTS
HAVE BEEN IN THE 40 TO 45 MPH RANGE FROM AROUND ROCHESTER
MINNESOTA SOUTH TO NEAR OELWEIN IOWA.

HIGH PRESSURE BUILDING IN WILL GRADUALLY CAUSE THE WIND TO
DIMINISH THIS EVENING SO ADVISORIES ARE ONLY IN EFFECT UNTIL 6 PM.

NORTHWEST WINDS COULD CAUSE HAVOC WITH HIGH PROFILE VEHICLES WELL
INTO THE EVENING.

IAZ008>010-018-019-029-030-MNZ086-087-094-095-042300-
/O.CON.KARX.WI.Y.0004.000000T0000Z-110404T2300Z/
MITCHELL-HOWARD-WINNESHIEK-FLOYD-CHICKASAW-FAYETTE-CLAYTON-DODGE-
OLMSTED-MOWER-FILLMORE-
INCLUDING THE CITIES OF...DECORAH...CHARLES CITY...OELWEIN...
ROCHESTER...AUSTIN
328 PM CDT MON APR 4 2011

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

* NORTHWEST WINDS OF 20 TO 30 MPH WILL GUST INTO THE 30 TO 40 MPH
  RANGE INTO THE EARLY EVENING.

* DRIVING HIGH PROFILE VEHICLES MAY BE DIFFICULT FOR A FEW MORE
  HOURS TODAY. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TRUCK OR CAMPER DRIVERS MAY WANT TO DELAY TRAVEL UNTIL LATER THIS
EVENING WHEN WINDS SUBSIDE. WATCH FOR FALLING BRANCHES OR OBJECTS
BLOWING ACROSS ROAD WAYS.

&&

$$

WEATHER.GOV/LACROSSE

SHEA
465 
WWUS73 KARX 042259
NPWARX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LA CROSSE WI
559 PM CDT MON APR 4 2011

...WINDS DIMINISHING...

.THE STRONG AND GUSTY WINDS WILL CONTINUE TO DIMINISH THIS
EVENING...AND THE WIND ADVISORY WILL BE ALLOWED TO EXPIRE AS A
RESULT.

IAZ008>010-018-019-029-030-MNZ086-087-094-095-050000-
/O.EXP.KARX.WI.Y.0004.000000T0000Z-110404T2300Z/
MITCHELL-HOWARD-WINNESHIEK-FLOYD-CHICKASAW-FAYETTE-CLAYTON-DODGE-
OLMSTED-MOWER-FILLMORE-
INCLUDING THE CITIES OF...DECORAH...CHARLES CITY...OELWEIN...
ROCHESTER...AUSTIN
559 PM CDT MON APR 4 2011

...WIND ADVISORY WILL EXPIRE AT 6 PM CDT THIS EVENING...

THE WIND ADVISORY WILL EXPIRE AT 6 PM CDT THIS EVENING. 


* WINDS WILL CONTINUE TO DIMINISH EARLY THIS EVENING...INTO THE 10
  TO 15 MPH RANGE. THEREFORE...THE ADVISORY WILL BE ALLOWED TO EXPIRE
  AT 6 PM.



$$

RIECK

WEATHER.GOV/LACROSSE

Nearby

Wind Advisories in Iowa, 2011Wind Advisories in Minnesota, 2011Every wind advisory in 2011

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.