Alert archive / Minnesota / Wind Advisories in 2009

Wind Advisory 4, NWS La Crosse, WI

May 19, 20096 counties in Minnesota; 4 counties in Iowa; Buffalo County, Trempealeau County, Wisconsin

NWS La Crosse, WI issued this wind advisory at May 19, 2009, 3:38 PM CDT for 6 counties in Minnesota; 4 counties in Iowa; Buffalo County, Trempealeau County, Wisconsin. It took effect at May 20, 2009, 9:00 AM CDT. It was in force for 10 hr.

The area

The counties it named.

The facts

Issued
May 19, 2009, 3:38 PM CDT (20:38 UTC)
In effect from
May 20, 2009, 9:00 AM CDT
Expired
May 20, 2009, 7:00 PM CDT
In force
10 hr
Issued by
NWS La Crosse, WI

Counties Chickasaw County, IA, Floyd County, IA, Howard County, IA, Mitchell County, IA, Dodge County, MN, Fillmore County, MN, Mower County, MN, Olmsted County, MN, Wabasha County, MN, Winona County, MN, Buffalo County, WI, Trempealeau County, WI

The radar

The La Crosse radar (KARX), 88 km from the middle of the area, began a volume at 20:39 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 12:00Z, 8.6 hours before the alert went out and 160 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 2009-05-19Temperature 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 2009-05-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 112 square meters per square second.19395878Sfc1 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
1372 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
112 m²/s²
0-3 km storm-relative helicity
176 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.

000 
WWUS73 KARX 192038
NPWARX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LA CROSSE WI
338 PM CDT TUE MAY 19 2009

...STRONG AND GUSTY SOUTH WINDS WEDNESDAY...

.THE PRESSURE GRADIENT WILL TIGHTEN ACROSS THE AREA THROUGH
WEDNESDAY. THIS WILL RESULT IN STRONG GUSTY SOUTH WINDS DEVELOPING
WEDNESDAY MORNING AND CONTINUING THROUGH MUCH OF THE DAY.
SUSTAINED WINDS OF 25 TO 35 MPH ALONG WITH GUSTS TO 45 MPH WILL BE
COMMON WEDNESDAY.

IAZ008-009-018-019-MNZ086-087-094-095-200445-
/O.NEW.KARX.WI.Y.0004.090520T1400Z-090521T0000Z/
MITCHELL-HOWARD-FLOYD-CHICKASAW-DODGE-OLMSTED-MOWER-FILLMORE-
INCLUDING THE CITIES OF...CHARLES CITY...ROCHESTER...AUSTIN
338 PM CDT TUE MAY 19 2009

...WIND ADVISORY IN EFFECT FROM 9 AM TO 7 PM CDT WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 9 AM TO 7 PM CDT WEDNESDAY. 

STRONG SOUTHERLY WINDS OF 25 TO 35 MPH WITH GUSTS TO 45 MPH WILL
DEVELOP ACROSS THE REGION WEDNESDAY MORNING AND THEN CONTINUE
THROUGH MUCH OF THE DAY. THE HIGHEST GUSTS ARE EXPECTED FROM LATE
MORNING THROUGH THE AFTERNOON HOURS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$

RABERDING

WEATHER.GOV/LACROSSE
6 follow-up statements
000 
WWUS73 KARX 200225
NPWARX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LA CROSSE WI
924 PM CDT TUE MAY 19 2009

...STRONG AND GUSTY SOUTH WINDS WEDNESDAY...

.LOW PRESSURE IN EASTERN MONTANA THIS EVENING WILL MOVE EAST
ACROSS THE DAKOTAS TONIGHT THEN INTO NORTHERN MINNESOTA ON
WEDNESDAY. AS IT DOES...THE PRESSURE GRADIENT WILL INCREASE ACROSS
THE AREA THROUGH TONIGHT AND FOR WEDNESDAY...AND SO TO WILL THE
WINDS. BRISK SOUTH WINDS WILL CONTINUE THROUGH TONIGHT. WITH
WARMING AND DEEPER MIXING OF THE ATMOSPHERE ON WEDNESDAY...THE
WINDS WILL BECOME QUITE STRONG AND GUSTY DURING THE MORNING HOURS
AND CONTINUE THROUGH MUCH OF THE DAY. SUSTAINED WINDS OF 25 TO
35 MPH ALONG WITH GUSTS TO 45 MPH WILL BE COMMON ON WEDNESDAY.

IAZ008-009-018-019-MNZ086-087-094-095-201030-
/O.CON.KARX.WI.Y.0004.090520T1400Z-090521T0000Z/
MITCHELL-HOWARD-FLOYD-CHICKASAW-DODGE-OLMSTED-MOWER-FILLMORE-
INCLUDING THE CITIES OF...CHARLES CITY...ROCHESTER...AUSTIN
924 PM CDT TUE MAY 19 2009

...WIND ADVISORY REMAINS IN EFFECT FROM 9 AM TO 7 PM CDT
WEDNESDAY...

A WIND ADVISORY REMAINS IN EFFECT FROM 9 AM TO 7 PM CDT
WEDNESDAY. 

STRONG SOUTHERLY WINDS OF 25 TO 35 MPH WITH GUSTS TO 45 MPH WILL
DEVELOP ACROSS THE REGION WEDNESDAY MORNING AND THEN CONTINUE
THROUGH MUCH OF THE DAY. THE STRONGEST GUSTS ARE EXPECTED FROM
LATE MORNING THROUGH THE MID AFTERNOON HOURS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 MPH OR MORE...OR
GUSTS OF 45 MPH OR MORE ARE EXPECTED. WINDS THIS STRONG CAN BLOW
LOOSE OBJECTS AROUND AND MAKE DRIVING DIFFICULT...ESPECIALLY FOR
HIGH PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$

RRS

WEATHER.GOV/LACROSSE
000 
WWUS73 KARX 200833
NPWARX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LA CROSSE WI
333 AM CDT WED MAY 20 2009

...STRONG AND GUSTY SOUTH WINDS TODAY...

.A TIGHT PRESSURE GRADIENT IS GOING TO CAUSE STRONG AND GUSTY SOUTH
WINDS ACROSS THE AREA TODAY. SUSTAINED WINDS OF 25 TO 35 MPH ALONG
WITH GUSTS AROUND 45 MPH WILL BE COMMON.

MNZ079-088-WIZ032-033-201645-
/O.EXA.KARX.WI.Y.0004.090520T1400Z-090521T0000Z/
WABASHA-WINONA-BUFFALO-TREMPEALEAU-
INCLUDING THE CITY OF...WINONA
333 AM CDT WED MAY 20 2009

...WIND ADVISORY IN EFFECT FROM 9 AM THIS MORNING TO 7 PM CDT
THIS EVENING...

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 9 AM THIS MORNING TO 7 PM CDT
THIS EVENING. 

STRONG SOUTHERLY WINDS OF 25 TO 35 MPH WITH GUSTS AROUND 45 MPH
ARE EXPECTED TODAY. STRONGEST GUSTS ARE EXPECTED FROM LATE
MORNING THROUGH THE MID AFTERNOON HOURS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 MPH OR MORE...OR
GUSTS OF 45 MPH OR MORE ARE EXPECTED. WINDS THIS STRONG CAN BLOW
LOOSE OBJECTS AROUND AND MAKE DRIVING DIFFICULT...ESPECIALLY FOR
HIGH PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$

IAZ008-009-018-019-MNZ086-087-094-095-201645-
/O.CON.KARX.WI.Y.0004.090520T1400Z-090521T0000Z/
MITCHELL-HOWARD-FLOYD-CHICKASAW-DODGE-OLMSTED-MOWER-FILLMORE-
INCLUDING THE CITIES OF...CHARLES CITY...ROCHESTER...AUSTIN
333 AM CDT WED MAY 20 2009

...WIND ADVISORY REMAINS IN EFFECT FROM 9 AM THIS MORNING TO 7 PM
CDT THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT FROM 9 AM THIS MORNING TO 7 PM
CDT THIS EVENING. 

STRONG SOUTHERLY WINDS OF 25 TO 35 MPH WITH GUSTS AROUND 45 MPH
ARE EXPECTED TODAY. STRONGEST GUSTS ARE EXPECTED FROM LATE
MORNING THROUGH THE MID AFTERNOON HOURS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 MPH OR MORE...OR
GUSTS OF 45 MPH OR MORE ARE EXPECTED. WINDS THIS STRONG CAN BLOW
LOOSE OBJECTS AROUND AND MAKE DRIVING DIFFICULT...ESPECIALLY FOR
HIGH PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$

THOMPSON

WEATHER.GOV/LACROSSE
000 
WWUS73 KARX 201220
NPWARX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LA CROSSE WI
720 AM CDT WED MAY 20 2009

...STRONG AND GUSTY SOUTH WINDS TODAY...

.A TIGHT PRESSURE GRADIENT IS GOING TO CAUSE STRONG AND GUSTY
SOUTH WINDS ACROSS THE AREA TODAY. SUSTAINED WINDS OF 25 TO
35 MPH ALONG WITH GUSTS AROUND 45 MPH WILL BE COMMON.

IAZ008-009-018-019-MNZ079-086>088-094-095-WIZ032-033-202030-
/O.CON.KARX.WI.Y.0004.090520T1400Z-090521T0000Z/
MITCHELL-HOWARD-FLOYD-CHICKASAW-WABASHA-DODGE-OLMSTED-WINONA-
MOWER-FILLMORE-BUFFALO-TREMPEALEAU-
INCLUDING THE CITIES OF...CHARLES CITY...ROCHESTER...WINONA...
AUSTIN
720 AM CDT WED MAY 20 2009

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

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

STRONG SOUTHERLY WINDS OF 25 TO 35 MPH WITH GUSTS AROUND 45 MPH
ARE EXPECTED TODAY. STRONGEST GUSTS ARE EXPECTED FROM LATE
MORNING THROUGH THE MID AFTERNOON HOURS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 MPH OR MORE...OR
GUSTS OF 45 MPH OR MORE ARE EXPECTED. WINDS THIS STRONG CAN BLOW
LOOSE OBJECTS AROUND AND MAKE DRIVING DIFFICULT...ESPECIALLY FOR
HIGH PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$

THOMPSON

WEATHER.GOV/LACROSSE
000 
WWUS73 KARX 201751
NPWARX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LA CROSSE WI
1251 PM CDT WED MAY 20 2009

...STRONG AND GUSTY SOUTH WINDS TODAY...

.A TIGHT PRESSURE GRADIENT IS CAUSING STRONG AND GUSTY
SOUTH WINDS ACROSS THE AREA TODAY. SUSTAINED WINDS OF 25 TO
35 MPH ALONG WITH GUSTS AROUND 50 MPH WILL BE COMMON.

IAZ008-009-018-019-MNZ079-086>088-094-095-WIZ032-033-210000-
/O.CON.KARX.WI.Y.0004.000000T0000Z-090521T0000Z/
MITCHELL-HOWARD-FLOYD-CHICKASAW-WABASHA-DODGE-OLMSTED-WINONA-
MOWER-FILLMORE-BUFFALO-TREMPEALEAU-
INCLUDING THE CITIES OF...CHARLES CITY...ROCHESTER...WINONA...
AUSTIN
1251 PM CDT WED MAY 20 2009

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

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

STRONG SOUTHERLY WINDS OF 25 TO 35 MPH WITH GUSTS AROUND 50 MPH
WILL CONTINUE THROUGH THE AFTERNOON HOURS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 MPH OR MORE...OR
GUSTS OF 45 MPH OR MORE ARE EXPECTED. WINDS THIS STRONG CAN BLOW
LOOSE OBJECTS AROUND AND MAKE DRIVING DIFFICULT...ESPECIALLY FOR
HIGH PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$

RABERDING

WEATHER.GOV/LACROSSE
000 
WWUS73 KARX 202010
NPWARX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LA CROSSE WI
310 PM CDT WED MAY 20 2009

...STRONG AND GUSTY SOUTH WINDS WILL CONTINUE THE REMAINDER OF
THE AFTERNOON...

.A TIGHT PRESSURE GRADIENT IS CAUSING STRONG AND GUSTY SOUTH
WINDS ACROSS THE AREA TODAY. SUSTAINED WINDS OF 25 TO 35 MPH
ALONG WITH GUSTS AROUND 50 MPH WILL BE COMMON. THESE WINDS WILL
DIMINISH BY EARLY EVENING.

IAZ008-009-018-019-MNZ079-086>088-094-095-WIZ032-033-210000-
/O.CON.KARX.WI.Y.0004.000000T0000Z-090521T0000Z/
MITCHELL-HOWARD-FLOYD-CHICKASAW-WABASHA-DODGE-OLMSTED-WINONA-
MOWER-FILLMORE-BUFFALO-TREMPEALEAU-
INCLUDING THE CITIES OF...CHARLES CITY...ROCHESTER...WINONA...
AUSTIN
310 PM CDT WED MAY 20 2009

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

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

STRONG SOUTHERLY WINDS OF 25 TO 35 MPH WITH GUSTS AROUND 50 MPH
WILL CONTINUE THROUGH THE AFTERNOON HOURS. THE WINDS WILL DIMINISH
EARLY THIS EVENING. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 MPH OR MORE...OR
GUSTS OF 45 MPH OR MORE ARE EXPECTED. WINDS THIS STRONG CAN BLOW
LOOSE OBJECTS AROUND AND MAKE DRIVING DIFFICULT...ESPECIALLY FOR
HIGH PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$

RABERDING

WEATHER.GOV/LACROSSE
000 
WWUS73 KARX 202358
NPWARX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LA CROSSE WI
658 PM CDT WED MAY 20 2009

...STRONG AND GUSTY SOUTHWEST WINDS DIMINISHING...

.THE STRONG AND GUSTY SOUTHWEST WINDS OF THE LATE MORNING AND
AFTERNOON HOURS WERE DIMINISHING EARLY THIS EVENING. THIS WAS DUE
TO TEMPERATURES COOLING FROM THE DAYTIME HIGHS AND THE PRESSURE
GRADIENT OVER THE AREA STARTING TO RELAX. WITH CONTINUED COOLING
OF TEMPERATURES THIS EVENING AND THE SLOW APPROACH OF A COLD FRONT
IN CENTRAL AND WESTERN MINNESOTA...THE WINDS WILL CONTINUE TO
DECREASE THROUGH THE EVENING. 

IAZ008-009-018-019-MNZ079-086>088-094-095-WIZ032-033-210100-
/O.EXP.KARX.WI.Y.0004.000000T0000Z-090521T0000Z/
MITCHELL-HOWARD-FLOYD-CHICKASAW-WABASHA-DODGE-OLMSTED-WINONA-
MOWER-FILLMORE-BUFFALO-TREMPEALEAU-
INCLUDING THE CITIES OF...CHARLES CITY...ROCHESTER...WINONA...
AUSTIN
658 PM CDT WED MAY 20 2009

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

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

WINDS WERE DIMINISHING THIS EVENING AS TEMPERATURE DECREASED FROM
THE DAYTIME HIGHS AND THE PRESSURE GRADIENT OVER THE AREA BEGAN TO
RELAX. LOCAL WINDS OF 25 TO 30 MPH AND GUSTS TO 40 MPH WILL REMAIN
POSSIBLE THROUGH 8 PM...BUT WINDS WILL DECREASE RATHER QUICKLY
WITH SUNSET. 

$$

RRS

WEATHER.GOV/LACROSSE

Nearby

Wind Advisories in Minnesota, 2009Wind Advisories in Iowa, 2009Wind Advisories in Wisconsin, 2009Every wind advisory in 2009

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.