Alert archive / Iowa / High Wind Warnings in 2012

High Wind Warning 2, NWS Des Moines, IA

February 29, 201225 counties in Iowa

NWS Des Moines, IA issued this high wind warning at Feb 29, 2012, 7:16 AM CST for 25 counties in Iowa. It was in force for 11 hr. 11 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Feb 29, 2012, 7:16 AM CST (13:16 UTC)
Expired
Feb 29, 2012, 6:00 PM CST
In force
11 hr
Issued by
NWS Des Moines, IA
All 25 counties

Adair County, IA, Adams County, IA, Audubon County, IA, Boone County, IA, Calhoun County, IA, Carroll County, IA, Cass County, IA, Clarke County, IA, Crawford County, IA, Dallas County, IA, Decatur County, IA, Greene County, IA, Guthrie County, IA, Hamilton County, IA, Lucas County, IA, Madison County, IA, Polk County, IA, Ringgold County, IA, Sac County, IA, Story County, IA, Taylor County, IA, Union County, IA, Warren County, IA, Wayne County, IA, Webster County, IA

The radar

The Des Moines radar (KDMX), 46 km from the middle of the area, began a volume at 13:19 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
Feb 29, 7:40 AM CSTNON-TSTM WND GST 694 Nnw Rockwell City, IA
Feb 29, 8:05 AM CSTNON-TSTM WND GST 551 N Audubon Airport, IA
Feb 29, 8:05 AM CSTNON-TSTM WND GST 555 Wnw Carroll Airport, IA
Feb 29, 8:05 AM CSTNON-TSTM WND GST 58Ene Carroll Airport, IA
Feb 29, 8:30 AM CSTNON-TSTM WND GST 672 S Dawson, IA
Feb 29, 9:40 AM CSTNON-TSTM WND GST 603 Sse Somers, IA
Feb 29, 1:25 PM CSTSNOW 02 Ese Webster City Airp, IA2 INCHES OF SNOW, VISIBILITY 500 FT., SUSTAINED WIND SPEED RANGED FROM 30 TO 35 MPH. WIND GUSTS RANGED FROM 53 TO 60 MPH.
Feb 29, 1:25 PM CSTSNOW 22 Ese Webster City Airp, IAVISIBILITY 500 FT., SUSTAINED WIND SPEED RANGED FROM 30 TO 35 MPH. WIND GUSTS RANGED FROM 53 TO 60 MPH.
Feb 29, 1:58 PM CSTBLIZZARD2 Ese Webster City Airp, IA2 INCHES OF SNOW, VISIBILITY 500 FT. SINCE MORNING, SUSTAINED WIND SPEED RANGED FROM 30 TO 35 MPH. WIND GUSTS SINCE MORNING RANGED FROM 53 TO 60 MPH.
Feb 29, 3:30 PM CSTSNOW 1Nevada, IA
Feb 29, 4:29 PM CSTNON-TSTM WND GST 603 Sse Somers, IA

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Omaha, NE (KOAX), launched 12:00Z, 1.3 hours before the alert went out and 180 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, Omaha, NE at 12:00Z on 2012-02-29Temperature 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, Omaha, NE at 12:00Z on 2012-02-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 49 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
770 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
49 m²/s²
0-3 km storm-relative helicity
204 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.

478 
WWUS73 KDMX 291316
NPWDMX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
716 AM CST WED FEB 29 2012

...VERY STRONG WINDS EXPECTED ACROSS THE AREA TODAY...

.A VIGOROUS LOW PRESSURE SYSTEM WILL MOVE ACROSS  SOUTHERN
MINNESOTA AND INTO CENTRAL WISCONSIN TODAY. STRONG SOUTHWEST TO
WEST WINDS WILL DEVELOP THIS MORNING WITH A FEW GUSTS APPROACHING
60 MPH OVER THE SOUTHWEST. LIGHT SNOW IS FORECAST OVER NORTHERN IOWA
TODAY. A WINTER WEATHER HEADLINE MAY BE REQUIRED IF ENOUGH SNOW
FALLS TO CAUSE SIGNIFICANT REDUCTIONS IN VISIBILITIES DUE TO
BLOWING SNOW.

IAZ033>036-044>048-057>060-070>073-081>084-092>095-292130-
/O.UPG.KDMX.WI.Y.0005.000000T0000Z-120301T0000Z/
/O.NEW.KDMX.HW.W.0002.120229T1316Z-120301T0000Z/
SAC-CALHOUN-WEBSTER-HAMILTON-CRAWFORD-CARROLL-GREENE-BOONE-STORY-
AUDUBON-GUTHRIE-DALLAS-POLK-CASS-ADAIR-MADISON-WARREN-ADAMS-UNION-
CLARKE-LUCAS-TAYLOR-RINGGOLD-DECATUR-WAYNE-
INCLUDING THE CITIES OF...SAC CITY...ROCKWELL CITY...FORT DODGE...
WEBSTER CITY...DENISON...CARROLL...JEFFERSON...BOONE...AMES...
AUDUBON...GUTHRIE CENTER...ADEL...DES MOINES...ATLANTIC...
GREENFIELD...WINTERSET...INDIANOLA...CORNING...CRESTON...
OSCEOLA...CHARITON...BEDFORD...MOUNT AYR...LEON...CORYDON
716 AM CST WED FEB 29 2012

...HIGH WIND WARNING IN EFFECT UNTIL 6 PM CST THIS EVENING...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT UNTIL 6 PM CST THIS EVENING. THE
WIND ADVISORY IS NO LONGER IN EFFECT. 

* SHORT TERM TRENDS...STRONG SOUTHWESTERLY WINDS WILL CONTINUE TO
  STRENGTHEN THIS MORNING AND BECOME MORE WESTERLY DURING THE DAY.

* WINDS...WEST TO NORTHWEST WINDS OF 30 TO 40 MPH WITH GUSTS OF 50
  TO 60 MPH EXPECTED.

* IMPACTS...LOOSE OBJECTS WILL BE BLOWN AROUND. HIGH PROFILE 
  VEHICLES WILL HAVE DIFFICULTY DRIVING ESPECIALLY ON NORTH 
  SOUTH ROADS AND INTERSTATES. ISOLATED POWER OUTAGES OR TREE 
  DAMAGE MAY OCCUR NEAR REGIONS OF PEAK GUSTS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 30 MPH ARE EXPECTED WITH WIND
GUSTS TO OVER 45 MPH. WINDS THIS STRONG CAN MAKE DRIVING
DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA
CAUTION. MINOR PROPERTY DAMAGE MAY ALSO OCCUR DUE TO UNSECURED
OBJECTS BLOWING AROUND.

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

&&

$$

IAZ004>007-015>017-023>028-037>039-049-050-061-062-074-075-085-
086-096-097-292130-
/O.CON.KDMX.WI.Y.0005.000000T0000Z-120301T0000Z/
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-HARDIN-GRUNDY-
BLACK HAWK-MARSHALL-TAMA-JASPER-POWESHIEK-MARION-MAHASKA-MONROE-
WAPELLO-APPANOOSE-DAVIS-
INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY...
NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...POCAHONTAS...
HUMBOLDT...CLARION...HAMPTON...ALLISON...WAVERLY...ELDORA...
GRUNDY CENTER...WATERLOO...MARSHALLTOWN...TOLEDO...NEWTON...
GRINNELL...KNOXVILLE...OSKALOOSA...ALBIA...OTTUMWA...
CENTERVILLE...BLOOMFIELD
716 AM CST WED FEB 29 2012

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

* SHORT TERM TRENDS...STRONG SOUTHWESTERLY WINDS CONTINUE TO DEVELOP
  OVER THE AREA THIS MORNING. THE WIND WILL GRADUALLY BECOME WEST
  DURING THE DAY. LIGHT SNOW IS IN THE FORECAST OVER NORTHERN IOWA
  TODAY. A SWITCH TO WINTER WEATHER HEADLINES FOR BLOWING SNOW
  COULD BE REQUIRED IF 2 INCHES OR MORE OF SNOW FALLS.

* WINDS...WEST TO NORTHWEST WINDS OF 25 TO 35 MPH WITH GUSTS OF 
  40 TO 50 MPH ARE EXPECTED. 

* IMPACTS...LOOSE OBJECTS WILL BE BLOWN AROUND. HIGH PROFILE 
  VEHICLES WILL HAVE DIFFICULTY DRIVING ESPECIALLY ON NORTH 
  SOUTH ROADS AND INTERSTATES. ISOLATED POWER OUTAGES OR TREE 
  DAMAGE MAY OCCUR IN REGIONS NEAR PEAK GUSTS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 30 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.MINOR PROPERTY DAMAGE MAY
ALSO OCCUR DUE TO UNSECURED OBJECTS BLOWING AROUND.

&&

$$
5 follow-up statements
096 
WWUS73 KDMX 291326
NPWDMX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
726 AM CST WED FEB 29 2012

...VERY STRONG WINDS EXPECTED ACROSS THE AREA TODAY...

.A VIGOROUS LOW PRESSURE SYSTEM WILL MOVE ACROSS  SOUTHERN
MINNESOTA AND INTO CENTRAL WISCONSIN TODAY. STRONG SOUTHWEST TO
WEST WINDS WILL DEVELOP THIS MORNING WITH A FEW GUSTS APPROACHING
60 MPH OVER THE SOUTHWEST. LIGHT SNOW IS FORECAST OVER NORTHERN
IOWA TODAY. A WINTER WEATHER HEADLINE MAY BE REQUIRED IF ENOUGH
SNOW FALLS TO CAUSE SIGNIFICANT REDUCTIONS IN VISIBILITIES DUE TO
BLOWING SNOW.

IAZ033>036-044>048-057>060-070>073-081>084-092>095-292130-
/O.CON.KDMX.HW.W.0002.000000T0000Z-120301T0000Z/
SAC-CALHOUN-WEBSTER-HAMILTON-CRAWFORD-CARROLL-GREENE-BOONE-STORY-
AUDUBON-GUTHRIE-DALLAS-POLK-CASS-ADAIR-MADISON-WARREN-ADAMS-UNION-
CLARKE-LUCAS-TAYLOR-RINGGOLD-DECATUR-WAYNE-
INCLUDING THE CITIES OF...SAC CITY...ROCKWELL CITY...FORT DODGE...
WEBSTER CITY...DENISON...CARROLL...JEFFERSON...BOONE...AMES...
AUDUBON...GUTHRIE CENTER...ADEL...DES MOINES...ATLANTIC...
GREENFIELD...WINTERSET...INDIANOLA...CORNING...CRESTON...
OSCEOLA...CHARITON...BEDFORD...MOUNT AYR...LEON...CORYDON
726 AM CST WED FEB 29 2012

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS
EVENING...

* SHORT TERM TRENDS...STRONG SOUTHWESTERLY WINDS WILL CONTINUE 
  TO STRENGTHEN THIS MORNING AND BECOME MORE WESTERLY DURING THE 
  DAY. 

* WINDS...WEST TO NORTHWEST WINDS OF 30 TO 40 MPH WITH GUSTS OF 
  50 TO 60 MPH EXPECTED. 

* IMPACTS...LOOSE OBJECTS WILL BE BLOWN AROUND. HIGH PROFILE 
  VEHICLES WILL HAVE DIFFICULTY DRIVING ESPECIALLY ON NORTH 
  SOUTH ROADS AND INTERSTATES. ISOLATED POWER OUTAGES OR TREE 
  DAMAGE MAY OCCUR NEAR REGIONS OF PEAK GUSTS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

&&

$$

IAZ004>007-015>017-023>028-037>039-049-050-061-062-074-075-085-
086-096-097-292130-
/O.CON.KDMX.WI.Y.0005.000000T0000Z-120301T0000Z/
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-HARDIN-GRUNDY-
BLACK HAWK-MARSHALL-TAMA-JASPER-POWESHIEK-MARION-MAHASKA-MONROE-
WAPELLO-APPANOOSE-DAVIS-
INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY...
NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...POCAHONTAS...
HUMBOLDT...CLARION...HAMPTON...ALLISON...WAVERLY...ELDORA...
GRUNDY CENTER...WATERLOO...MARSHALLTOWN...TOLEDO...NEWTON...
GRINNELL...KNOXVILLE...OSKALOOSA...ALBIA...OTTUMWA...
CENTERVILLE...BLOOMFIELD
726 AM CST WED FEB 29 2012

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

* SHORT TERM TRENDS...STRONG SOUTHWESTERLY WINDS CONTINUE TO 
  DEVELOP OVER THE AREA THIS MORNING. THE WIND WILL GRADUALLY 
  BECOME WEST DURING THE DAY. LIGHT SNOW IS IN THE FORECAST OVER 
  NORTHERN IOWA TODAY. A SWITCH TO WINTER WEATHER HEADLINES FOR 
  BLOWING SNOW COULD BE REQUIRED IF 2 INCHES OR MORE OF SNOW 
  FALLS. 

* WINDS...WEST TO NORTHWEST WINDS OF 25 TO 35 MPH WITH GUSTS OF 
  40 TO 50 MPH ARE EXPECTED. 

* IMPACTS...LOOSE OBJECTS WILL BE BLOWN AROUND. HIGH PROFILE 
  VEHICLES WILL HAVE DIFFICULTY DRIVING ESPECIALLY ON NORTH 
  SOUTH ROADS AND INTERSTATES. ISOLATED POWER OUTAGES OR TREE 
  DAMAGE MAY OCCUR IN REGIONS NEAR PEAK GUSTS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 30 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.MINOR PROPERTY DAMAGE MAY
ALSO OCCUR DUE TO UNSECURED OBJECTS BLOWING AROUND.

&&

$$
275 
WWUS73 KDMX 291635
NPWDMX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
1035 AM CST WED FEB 29 2012

...VERY STRONG WINDS EXPECTED ACROSS THE AREA TODAY...

.A VIGOROUS LOW PRESSURE SYSTEM WILL MOVE ACROSS SOUTHERN MINNESOTA
AND INTO CENTRAL WISCONSIN TODAY. STRONG SOUTHWEST TO WEST WINDS
WILL CONTINUE WITH A FEW GUSTS APPROACHING 60 MPH OVER THE AREA.
LIGHT SNOW IS FORECAST OVER NORTHERN IOWA TODAY. A WINTER WEATHER
ADVISORY IS ALSO IN EFFECT FOR THIS REGION DUE TO 1 TO 2 INCHES OF
SNOW AND SIGNIFICANT REDUCTIONS IN VISIBILITIES DUE TO BLOWING
SNOW ALONG WITH ICY ROADS.

IAZ033>036-044>048-057>060-070>073-081>084-092>095-010000-
/O.CON.KDMX.HW.W.0002.000000T0000Z-120301T0000Z/
SAC-CALHOUN-WEBSTER-HAMILTON-CRAWFORD-CARROLL-GREENE-BOONE-STORY-
AUDUBON-GUTHRIE-DALLAS-POLK-CASS-ADAIR-MADISON-WARREN-ADAMS-UNION-
CLARKE-LUCAS-TAYLOR-RINGGOLD-DECATUR-WAYNE-
INCLUDING THE CITIES OF...SAC CITY...ROCKWELL CITY...FORT DODGE...
WEBSTER CITY...DENISON...CARROLL...JEFFERSON...BOONE...AMES...
AUDUBON...GUTHRIE CENTER...ADEL...DES MOINES...ATLANTIC...
GREENFIELD...WINTERSET...INDIANOLA...CORNING...CRESTON...
OSCEOLA...CHARITON...BEDFORD...MOUNT AYR...LEON...CORYDON
1035 AM CST WED FEB 29 2012

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS
EVENING...

* SHORT TERM TRENDS...STRONG WESTERLY WINDS OF GREATER THAN 35 TO
  40 MPH WILL CONTINUE FOR THE REMAINDER OF THE DAY.

* WINDS...WEST TO NORTHWEST WINDS OF 30 TO 40 MPH WITH GUSTS OF 
  50 TO 60 MPH EXPECTED. 

* IMPACTS...LOOSE OBJECTS WILL BE BLOWN AROUND. HIGH PROFILE
  VEHICLES WILL HAVE DIFFICULTY DRIVING ESPECIALLY ON NORTH SOUTH
  ROADS AND INTERSTATES. ISOLATED POWER OUTAGES OR TREE DAMAGE MAY
  OCCUR NEAR REGIONS OF PEAK GUSTS. SNOW AND BLOWING SNOW MAINLY
  NEAR AND NORTH OF HIGHWAY 20 WILL CAUSE TRAVEL DIFFICULTIES AS
  WELL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

&&

$$

IAZ004>007-015>017-023>028-037>039-049-050-061-062-074-075-085-
086-096-097-010000-
/O.CON.KDMX.WI.Y.0005.000000T0000Z-120301T0000Z/
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-HARDIN-GRUNDY-
BLACK HAWK-MARSHALL-TAMA-JASPER-POWESHIEK-MARION-MAHASKA-MONROE-
WAPELLO-APPANOOSE-DAVIS-
INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY...
NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...POCAHONTAS...
HUMBOLDT...CLARION...HAMPTON...ALLISON...WAVERLY...ELDORA...
GRUNDY CENTER...WATERLOO...MARSHALLTOWN...TOLEDO...NEWTON...
GRINNELL...KNOXVILLE...OSKALOOSA...ALBIA...OTTUMWA...
CENTERVILLE...BLOOMFIELD
1035 AM CST WED FEB 29 2012

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

* SHORT TERM TRENDS...STRONG WESTERLY WINDS CONTINUE THIS MORNING.
  THE WIND WILL BECOME WEST TO NORTHWEST THIS AFTERNOON. SNOW OVER
  NORTHERN IOWA TODAY AND WILL CAUSE SOME ADDITIONAL TRAVEL
  DIFFICULTIES INTO THE AFTERNOON HOURS NORTH OF US HIGHWAY 20
  WHERE A WINTER WEATHER ADVISORY IS ALSO IN EFFECT FOR TODAY.

* WINDS...WEST TO NORTHWEST WINDS OF 25 TO 35 MPH WITH GUSTS OF 
  40 TO 50 MPH ARE EXPECTED. 

* IMPACTS...LOOSE OBJECTS WILL BE BLOWN AROUND. HIGH PROFILE 
  VEHICLES WILL HAVE DIFFICULTY DRIVING ESPECIALLY ON NORTH 
  SOUTH ROADS AND INTERSTATES. ISOLATED POWER OUTAGES OR TREE 
  DAMAGE MAY OCCUR IN REGIONS NEAR PEAK GUSTS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 30 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.MINOR PROPERTY DAMAGE MAY
ALSO OCCUR DUE TO UNSECURED OBJECTS BLOWING AROUND.

&&

$$

REV
155 
WWUS73 KDMX 291850
NPWDMX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
1250 PM CST WED FEB 29 2012

...VERY STRONG WINDS CONTINUE ACROSS THE AREA TODAY...

.A VIGOROUS LOW PRESSURE SYSTEM WILL MOVE ACROSS SOUTHERN
MINNESOTA AND INTO CENTRAL WISCONSIN TODAY. STRONG WEST TO
SOUTHWEST WINDS WILL CONTINUE WITH A FEW GUSTS APPROACHING 60 MPH
OVER THE AREA. LIGHT SNOW IS FORECAST OVER NORTHERN IOWA TODAY. A
WINTER WEATHER ADVISORY IS ALSO IN EFFECT FOR THIS REGION DUE TO 1
TO 2 INCHES OF SNOW AND SIGNIFICANT REDUCTIONS IN VISIBILITIES DUE
TO BLOWING SNOW ALONG WITH ICY ROADS.

IAZ033>036-044>048-057>060-070>073-081>084-092>095-010000-
/O.CON.KDMX.HW.W.0002.000000T0000Z-120301T0000Z/
SAC-CALHOUN-WEBSTER-HAMILTON-CRAWFORD-CARROLL-GREENE-BOONE-STORY-
AUDUBON-GUTHRIE-DALLAS-POLK-CASS-ADAIR-MADISON-WARREN-ADAMS-UNION-
CLARKE-LUCAS-TAYLOR-RINGGOLD-DECATUR-WAYNE-
INCLUDING THE CITIES OF...SAC CITY...ROCKWELL CITY...FORT DODGE...
WEBSTER CITY...DENISON...CARROLL...JEFFERSON...BOONE...AMES...
AUDUBON...GUTHRIE CENTER...ADEL...DES MOINES...ATLANTIC...
GREENFIELD...WINTERSET...INDIANOLA...CORNING...CRESTON...
OSCEOLA...CHARITON...BEDFORD...MOUNT AYR...LEON...CORYDON
1250 PM CST WED FEB 29 2012

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS
EVENING...

* SHORT TERM TRENDS...STRONG WESTERLY WINDS OF GREATER THAN 35 
  TO 40 MPH WILL CONTINUE FOR THE REMAINDER OF THE DAY. 

* WINDS...WEST TO NORTHWEST WINDS OF 30 TO 40 MPH WITH GUSTS OF 
  50 TO 60 MPH EXPECTED. 

* IMPACTS...LOOSE OBJECTS WILL BE BLOWN AROUND. HIGH PROFILE 
  VEHICLES WILL HAVE DIFFICULTY DRIVING ESPECIALLY ON NORTH 
  SOUTH ROADS AND INTERSTATES. ISOLATED POWER OUTAGES OR TREE 
  DAMAGE MAY OCCUR NEAR REGIONS OF PEAK GUSTS. SNOW AND BLOWING 
  SNOW MAINLY NEAR AND NORTH OF HIGHWAY 20 WILL CAUSE TRAVEL 
  DIFFICULTIES AS WELL. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

&&

$$

IAZ004>007-015>017-023>028-037>039-049-050-061-062-074-075-085-
086-096-097-010000-
/O.CON.KDMX.WI.Y.0005.000000T0000Z-120301T0000Z/
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-HARDIN-GRUNDY-
BLACK HAWK-MARSHALL-TAMA-JASPER-POWESHIEK-MARION-MAHASKA-MONROE-
WAPELLO-APPANOOSE-DAVIS-
INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY...
NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...POCAHONTAS...
HUMBOLDT...CLARION...HAMPTON...ALLISON...WAVERLY...ELDORA...
GRUNDY CENTER...WATERLOO...MARSHALLTOWN...TOLEDO...NEWTON...
GRINNELL...KNOXVILLE...OSKALOOSA...ALBIA...OTTUMWA...
CENTERVILLE...BLOOMFIELD
1250 PM CST WED FEB 29 2012

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

* SHORT TERM TRENDS...STRONG WESTERLY WINDS WILL CONTINUE THIS
  AFTERNOON...AND WILL BECOME WEST TO NORTHWEST. SNOW OVER
  NORTHERN IOWA TODAY AND WILL CAUSE SOME ADDITIONAL TRAVEL
  DIFFICULTIES INTO THE LATE AFTERNOON HOURS NORTH OF US HIGHWAY
  20 WHERE A WINTER WEATHER ADVISORY IS ALSO IN EFFECT FOR
  TODAY.

* WINDS...WEST TO NORTHWEST WINDS OF 25 TO 35 MPH WITH GUSTS OF 40
  TO 50 MPH ARE EXPECTED.

* IMPACTS...LOOSE OBJECTS WILL BE BLOWN AROUND. HIGH PROFILE 
  VEHICLES WILL HAVE DIFFICULTY DRIVING ESPECIALLY ON NORTH 
  SOUTH ROADS AND INTERSTATES. ISOLATED POWER OUTAGES OR TREE 
  DAMAGE MAY OCCUR IN REGIONS NEAR PEAK GUSTS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 30 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.MINOR PROPERTY DAMAGE MAY
ALSO OCCUR DUE TO UNSECURED OBJECTS BLOWING AROUND.

&&

$$
485 
WWUS73 KDMX 292358
NPWDMX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
558 PM CST WED FEB 29 2012

.INTENSE LOW PRESSURE RESPONSIBLE FOR THE SNOW AND GUSTY WINDS
WAS LOCATED OVER SOUTHERN WISCONSIN THIS EVENING. THE LOW WILL
CONTINUE TO MOVE EAST AWAY FROM THE AREA.

.IAZ033>036-044>048-057>060-070>073-081>084-092>095-010100-
/O.EXP.KDMX.HW.W.0002.000000T0000Z-120301T0000Z/
SAC-CALHOUN-WEBSTER-HAMILTON-CRAWFORD-CARROLL-GREENE-BOONE-STORY-
AUDUBON-GUTHRIE-DALLAS-POLK-CASS-ADAIR-MADISON-WARREN-ADAMS-UNION-
CLARKE-LUCAS-TAYLOR-RINGGOLD-DECATUR-WAYNE-
INCLUDING THE CITIES OF...SAC CITY...ROCKWELL CITY...FORT DODGE...
WEBSTER CITY...DENISON...CARROLL...JEFFERSON...BOONE...AMES...
AUDUBON...GUTHRIE CENTER...ADEL...DES MOINES...ATLANTIC...
GREENFIELD...WINTERSET...INDIANOLA...CORNING...CRESTON...
OSCEOLA...CHARITON...BEDFORD...MOUNT AYR...LEON...CORYDON
555 PM CST WED FEB 29 2012

...HIGH WIND WARNING WILL EXPIRE AT 6 PM CST THIS EVENING...

HIGH WINDS HAVE DIMINISHED THIS EVENING.  GUSTY NORTHWEST WINDS OF
20 TO 35 MPH WILL CONTINUE TO DIMINISH THROUGH THE NIGHT. WIND
SPEEDS WILL BE IN THE 15 TO 20 MPH RANGE BY MIDNIGHT...AND AROUND
10 MPH BY MORNING.

$$

IAZ004>007-015>017-023>028-037>039-049-050-061-062-074-075-085-
086-096-097-010100-
/O.EXP.KDMX.WI.Y.0005.000000T0000Z-120301T0000Z/
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-HARDIN-GRUNDY-
BLACK HAWK-MARSHALL-TAMA-JASPER-POWESHIEK-MARION-MAHASKA-MONROE-
WAPELLO-APPANOOSE-DAVIS-
INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY...
NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...POCAHONTAS...
HUMBOLDT...CLARION...HAMPTON...ALLISON...WAVERLY...ELDORA...
GRUNDY CENTER...WATERLOO...MARSHALLTOWN...TOLEDO...NEWTON...
GRINNELL...KNOXVILLE...OSKALOOSA...ALBIA...OTTUMWA...
CENTERVILLE...BLOOMFIELD
558 PM CST WED FEB 29 2012

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

GUSTY NORTHWEST WINDS OF 20 TO 35 MPH WILL DIMINISH THROUGH THE
NIGHT. WIND SPEEDS WILL BE IN THE 15 TO 20 MPH RANGE BY
MIDNIGHT...AND AROUND 10 MPH BY MORNING.

$$
742 
WWUS73 KDMX 010004
NPWDMX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
604 PM CST WED FEB 29 2012

.INTENSE LOW PRESSURE RESPONSIBLE FOR THE SNOW AND GUSTY WINDS
WAS LOCATED OVER SOUTHERN WISCONSIN THIS EVENING. THE LOW WILL
CONTINUE TO MOVE EAST AWAY FROM THE AREA.

IAZ033>036-044>048-057>060-070>073-081>084-092>095-010115-
/O.EXP.KDMX.HW.W.0002.000000T0000Z-120301T0000Z/
SAC-CALHOUN-WEBSTER-HAMILTON-CRAWFORD-CARROLL-GREENE-BOONE-STORY-
AUDUBON-GUTHRIE-DALLAS-POLK-CASS-ADAIR-MADISON-WARREN-ADAMS-UNION-
CLARKE-LUCAS-TAYLOR-RINGGOLD-DECATUR-WAYNE-
INCLUDING THE CITIES OF...SAC CITY...ROCKWELL CITY...FORT DODGE...
WEBSTER CITY...DENISON...CARROLL...JEFFERSON...BOONE...AMES...
AUDUBON...GUTHRIE CENTER...ADEL...DES MOINES...ATLANTIC...
GREENFIELD...WINTERSET...INDIANOLA...CORNING...CRESTON...
OSCEOLA...CHARITON...BEDFORD...MOUNT AYR...LEON...CORYDON
604 PM CST WED FEB 29 2012

...HIGH WIND WARNING HAS EXPIRED...

HIGH WINDS HAVE DIMINISHED THIS EVENING.  GUSTY NORTHWEST WINDS OF
20 TO 35 MPH WILL CONTINUE TO DIMINISH THROUGH THE NIGHT. WIND
SPEEDS WILL BE IN THE 15 TO 20 MPH RANGE BY MIDNIGHT...AND AROUND
10 MPH BY MORNING.

$$

The office that day

Everything else NWS Des Moines, IA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 29, 9:52 AM CSTWinter Weather AdvisoryDMXBlack Hawk, Bremer, Butler, Calhoun, Cerro Gordo, Emmet and 14 more8 hr

Nearby

High Wind Warnings in Iowa, 2012Every high wind warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.