Alert archive / Iowa / Wind Advisories in 2012

Wind Advisory 4, NWS La Crosse, WI

April 13, 20128 counties in Iowa; 7 counties in Minnesota

NWS La Crosse, WI issued this wind advisory at Apr 13, 2012, 12:53 PM CDT for 8 counties in Iowa; 7 counties in Minnesota. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
Apr 13, 2012, 12:53 PM CDT (17:53 UTC)
Expired
Apr 13, 2012, 7:00 PM CDT
In force
6 hr
Issued by
NWS La Crosse, WI

Counties Allamakee County, IA, 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, Houston County, MN, Mower County, MN, Olmsted County, MN, Wabasha County, MN, Winona County, MN

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 5.9 hours before the alert went out and 190 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 2012-04-13Temperature 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 2012-04-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 175 square meters per square second.193958Sfc1 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
2224 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
175 m²/s²
0-3 km storm-relative helicity
245 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.

766 
WWUS73 KARX 131753
NPWARX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LA CROSSE WI
1253 PM CDT FRI APR 13 2012

...STRONG WINDS EXPECTED TO CONTINUE THROUGH THE AFTERNOON...

.SOUTHEAST WINDS HAVE INCREASED TO 25 TO 35 MPH WITH GUSTS TO 45
MPH ACROSS MUCH OF SOUTHEAST MINNESOTA AND NORTHEAST IOWA. THIS IS
DUE TO A VERY TIGHT DIFFERENCE IN PRESSURE AHEAD OF A LOW LIFTING
INTO WESTERN MINNESOTA. PLAN ON THE WINDS TO DIMINISH THIS EVENING
AS THE LOW LIFTS INTO NORTHERN MINNESOTA.

IAZ008>011-018-019-029-030-MNZ079-086>088-094>096-140000-
/O.NEW.KARX.WI.Y.0004.120413T1753Z-120414T0000Z/
MITCHELL-HOWARD-WINNESHIEK-ALLAMAKEE-FLOYD-CHICKASAW-FAYETTE-
CLAYTON-WABASHA-DODGE-OLMSTED-WINONA-MOWER-FILLMORE-HOUSTON-
INCLUDING THE CITIES OF...DECORAH...WAUKON...CHARLES CITY...
NEW HAMPTON...OELWEIN...ROCHESTER...WINONA...AUSTIN
1253 PM CDT FRI APR 13 2012

...WIND ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING...

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 7 PM CDT THIS EVENING. 

* LOOK FOR SOUTHEAST WINDS OF 25 TO 35 MPH WITH GUSTS TO AROUND 45
  MPH TO CONTINUE THROUGH THE AFTERNOON...THEN DIMINISH NEAR
  SUNSET. THE STRONGEST WINDS ARE EXPECTED OVER THE HIGHER TERRAIN
  AND OTHER OPEN AREAS.

* TRAVEL ON WEST TO EAST ROADS MAY BE DIFFICULT DUE TO CROSSWIND
  CREATED BY THE STRONG WINDS...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
2 follow-up statements
965 
WWUS73 KARX 132049
NPWARX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LA CROSSE WI
349 PM CDT FRI APR 13 2012

...STRONG WINDS EXPECTED TO SLOWLY DIMINISH THIS EVENING...

.SOUTHEAST WINDS OF 25 TO 35 MPH WITH GUSTS AROUND 45 MPH ACROSS
MUCH OF SOUTHEAST MINNESOTA AND NORTHEAST IOWA CONTINUED THROUGH
THE AFTERNOON. BOTH DODGE CENTER AND ROCHESTER MINNESOTA HAVE SEEN
WIND GUSTS AROUND 45 MPH THE PAST FEW HOURS. THE STRONG WINDS ARE
DUE TO A VERY TIGHT DIFFERENCE IN PRESSURE AHEAD OF A LOW LIFTING
INTO WESTERN MINNESOTA. PLAN ON THE WINDS TO DIMINISH THIS EVENING
AS THE LOW LIFTS INTO NORTHERN MINNESOTA.

IAZ008>011-018-019-029-030-MNZ079-086>088-094>096-140000-
/O.CON.KARX.WI.Y.0004.000000T0000Z-120414T0000Z/
MITCHELL-HOWARD-WINNESHIEK-ALLAMAKEE-FLOYD-CHICKASAW-FAYETTE-
CLAYTON-WABASHA-DODGE-OLMSTED-WINONA-MOWER-FILLMORE-HOUSTON-
INCLUDING THE CITIES OF...DECORAH...WAUKON...CHARLES CITY...
NEW HAMPTON...OELWEIN...ROCHESTER...WINONA...AUSTIN
349 PM CDT FRI APR 13 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING...

* LOOK FOR SOUTHEAST WINDS OF 25 TO 35 MPH WITH GUSTS TO AROUND 45
  MPH TO DIMINISH NEAR SUNSET. THE STRONGEST WINDS ARE EXPECTED
  OVER THE HIGHER TERRAIN AND OTHER OPEN AREAS.

* TRAVEL ON WEST TO EAST ROADS MAY BE DIFFICULT DUE TO CROSSWIND 
  CREATED BY THE STRONG WINDS...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
870 
WWUS73 KARX 132358
NPWARX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LA CROSSE WI
658 PM CDT FRI APR 13 2012

...WINDS HAVE DIMINISHED...

.WINDS HAVE DROPPED BELOW ADVISORY CRITERIA AND WILL CONTINUE TO
DIMINISH THIS EVENING.

IAZ008>011-018-019-029-030-MNZ079-086>088-094>096-140100-
/O.EXP.KARX.WI.Y.0004.000000T0000Z-120414T0000Z/
MITCHELL-HOWARD-WINNESHIEK-ALLAMAKEE-FLOYD-CHICKASAW-FAYETTE-
CLAYTON-WABASHA-DODGE-OLMSTED-WINONA-MOWER-FILLMORE-HOUSTON-
INCLUDING THE CITIES OF...DECORAH...WAUKON...CHARLES CITY...
NEW HAMPTON...OELWEIN...ROCHESTER...WINONA...AUSTIN
658 PM CDT FRI APR 13 2012

...WIND ADVISORY WILL EXPIRE AT 7 PM CDT THIS EVENING...

SOUTHEAST WINDS WILL CONTINUE TO DIMINISH THIS EVENING AND REMAIN
BELOW ADVISORY CRITERIA.

$$

RABERDING

WEATHER.GOV/LACROSSE

Nearby

Wind Advisories in Iowa, 2012Wind Advisories in Minnesota, 2012Every wind advisory 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; the sounding from the Mesonet's radiosonde archive.