Alert archive / Iowa / Wind Chill Advisories in 2013

Wind Chill Advisory 4, NWS Des Moines, IA

January 30, 201345 counties in Iowa

NWS Des Moines, IA issued this wind chill advisory at Jan 30, 2013, 3:54 AM CST for 45 counties in Iowa. It took effect at Jan 31, 2013, 3:00 AM CST. It was in force for 33 hr.

The area

The counties it named.

The facts

Issued
Jan 30, 2013, 3:54 AM CST (09:54 UTC)
In effect from
Jan 31, 2013, 3:00 AM CST
Expired
Feb 1, 2013, 11:40 AM CST
In force
33 hr
Issued by
NWS Des Moines, IA
All 45 counties

Adair County, IA, Adams County, IA, Audubon County, IA, Black Hawk County, IA, Boone County, IA, Bremer County, IA, Butler County, IA, Calhoun County, IA, Carroll County, IA, Cass County, IA, Cerro Gordo County, IA, Clarke County, IA, Crawford County, IA, Dallas County, IA, Emmet County, IA, Franklin County, IA, Greene County, IA, Grundy County, IA, Guthrie County, IA, Hamilton County, IA, Hancock County, IA, Hardin County, IA, Humboldt County, IA, Jasper County, IA, Kossuth County, IA, Lucas County, IA, Madison County, IA, Mahaska County, IA, Marion County, IA, Marshall County, IA, Monroe County, IA, Palo Alto County, IA, Pocahontas County, IA, Polk County, IA, Poweshiek County, IA, Sac County, IA, Story County, IA, Tama County, IA, Union County, IA, Wapello County, IA, Warren County, IA, Webster County, IA, Winnebago County, IA, Worth County, IA, Wright County, IA

The radar

The Des Moines radar (KDMX), 41 km from the middle of the area, began a volume at 09:54 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

Omaha, NE (KOAX), launched 00:00Z, 9.9 hours before the alert went out and 234 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 00:00Z on 2013-01-30Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Omaha, NE at 00:00Z on 2013-01-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 27 square meters per square second.1939587897117136156175Sfc1 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
629 m above ground
0-6 km bulk shear
92 kt
0-1 km storm-relative helicity
27 m²/s²
0-3 km storm-relative helicity
222 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.

872 
WWUS43 KDMX 300954
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
354 AM CST WED JAN 30 2013

...HEAVY SNOW POSSIBLE WITH CONSIDERABLE BLOWING SNOW THIS MORNING...

.A LOW PRESSURE SYSTEM OVER MISSOURI WILL MOVE TO NORTH OF LAKE
ERIE BY THIS EVENING. A BAND OF SNOW WILL MOVE ACROSS IOWA THIS
MORNING. STRONG WINDS WILL BRING WIDESPREAD BLOWING SNOW THIS
MORNING. MUCH COLDER AIR FOLLOWING THE LOW WILL PRODUCE DANGEROUS
WIND CHILLS TONIGHT INTO FRIDAY OVER THE NORTH HALF OF IOWA.


IAZ027-028-301800-
/O.NEW.KDMX.WC.Y.0004.130131T0600Z-130201T1800Z/
/O.CON.KDMX.WS.W.0002.000000T0000Z-130130T1800Z/
BUTLER-BREMER-
INCLUDING THE CITIES OF...ALLISON...WAVERLY
354 AM CST WED JAN 30 2013

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON CST TODAY...
...WIND CHILL ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO NOON
CST FRIDAY...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WIND
CHILL ADVISORY...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO NOON
CST FRIDAY. 

* SHORT TERM TRENDS...SNOW WILL CONTINUE ADVANCE ACROSS IOWA THIS
  MORNING. THE SNOWFALL IS EXPECTED TO PERSIST THROUGH THE
  MORNING. THE HEAVIEST SNOW IS LIKELY BETWEEN 6 AND 9 AM. SNOW
  WILL TAPER OFF TO FLURRIES BY NOON.

* STORM TOTAL SNOW ACCUMULATIONS...HEAVIEST SNOWFALL TOTALS WILL
  BE BETWEEN 3 TO 5 INCHES.

* WINDS/VISIBILITY...WINDS WILL INCREASE WITH NORTH TO NORTHWEST
  WINDS OF 20 TO 30 MPH AND GUSTS AS HIGH AS 40 MPH THIS MORNING.
  VISIBILITIES MAY BE REDUCED TO ONE HALF MILE OR LESS AT TIMES
  DUE TO THE BLOWING SNOW. 

* TIMING FOR WIND CHILL ADVISORY...FROM MIDNIGHT TONIGHT THROUGH
  NOON FRIDAY

* WINDS...NORTHWEST WINDS OF 15 TO 25 MPH WILL PERSIST TONIGHT
  THROUGH THURSDAY...AND DIMINISH THURSDAY NIGHT.

* WIND CHILL VALUES...WIND CHILL INDICES WILL FALL TO 20 TO 25
  BELOW ZERO TONIGHT...AND 20 TO 30 BELOW THURSDAY NIGHT.

* IMPACTS...SNOW WILL FREEZE ON ROAD SURFACES DUE TO THE WARM
  GROUND AT THE START. AS WINDS INCREASE...BLOWING SNOW WILL
  BECOME MORE OF A PROBLEM. WITH THE FALLING TEMPERATURES THE SNOW
  WILL BECOME DRIER AND WILL BLOW MORE EASILY. VISIBILITY MAY FALL
  TO NEAR ZERO AT TIMES IN OPEN AREAS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING.  SIGNIFICANT AMOUNTS OF
SNOW AND BLOWING SNOW ARE FORECAST THAT WILL MAKE TRAVEL
DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP
AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF
AN EMERGENCY.

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND WIND WILL
COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST
BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.  IF
YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES.

&&

$$

IAZ037>039-047>050-059>061-071>073-081>083-092>094-301800-
/O.CON.KDMX.WS.W.0002.000000T0000Z-130130T1800Z/
HARDIN-GRUNDY-BLACK HAWK-BOONE-STORY-MARSHALL-TAMA-DALLAS-POLK-
JASPER-ADAIR-MADISON-WARREN-ADAMS-UNION-CLARKE-TAYLOR-RINGGOLD-
DECATUR-
INCLUDING THE CITIES OF...ELDORA...GRUNDY CENTER...WATERLOO...
BOONE...AMES...MARSHALLTOWN...TOLEDO...ADEL...DES MOINES...
NEWTON...GREENFIELD...WINTERSET...INDIANOLA...CORNING...CRESTON...
OSCEOLA...BEDFORD...MOUNT AYR...LEON
354 AM CST WED JAN 30 2013

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON CST TODAY...

* SHORT TERM TRENDS...SNOW WILL CONTINUE ADVANCE ACROSS IOWA THIS
  MORNING. THE SNOWFALL IS EXPECTED TO PERSIST THROUGH THE
  MORNING. THE HEAVIEST SNOW IS LIKELY BEFORE 9 AM WEST OF
  INTERSTATE 35...AND BETWEEN 6 AM AND 10 AM EAST OF INTERSTATE
  35. SNOW WILL TAPER OFF TO FLURRIES BY AROUND NOON.

* STORM TOTAL SNOW ACCUMULATIONS...HEAVIEST SNOWFALL TOTALS WILL
  BE BETWEEN 3 TO 5 INCHES.

* WINDS/VISIBILITY...WINDS WILL INCREASE WITH NORTH TO NORTHWEST
  WINDS OF 20 TO 30 MPH AND GUSTS AS HIGH AS 40 MPH THIS MORNING.
  VISIBILITIES MAY BE REDUCED TO ONE HALF MILE OR LESS AT TIMES
  DUE TO THE BLOWING SNOW. 

* IMPACTS...SNOW WILL FREEZE ON ROAD SURFACES DUE TO THE WARM
  GROUND AT THE START. AS WINDS INCREASE...BLOWING SNOW WILL
  BECOME MORE OF A PROBLEM. WITH THE FALLING TEMPERATURES THE SNOW
  WILL BECOME DRIER AND WILL BLOW MORE EASILY. VISIBILITY MAY FALL
  TO NEAR ZERO AT TIMES IN OPEN AREAS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING.  SIGNIFICANT AMOUNTS OF
SNOW AND BLOWING SNOW ARE FORECAST THAT WILL MAKE TRAVEL
DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP
AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF
AN EMERGENCY.

&&

$$

IAZ062-074-075-084>086-095>097-301800-
/O.CON.KDMX.WS.W.0002.000000T0000Z-130130T1800Z/
POWESHIEK-MARION-MAHASKA-LUCAS-MONROE-WAPELLO-WAYNE-APPANOOSE-
DAVIS-
INCLUDING THE CITIES OF...GRINNELL...KNOXVILLE...OSKALOOSA...
CHARITON...ALBIA...OTTUMWA...CORYDON...CENTERVILLE...BLOOMFIELD
354 AM CST WED JAN 30 2013

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON CST TODAY...

* TIMING...SNOW WILL CONTINUE ADVANCE ACROSS IOWA THIS MORNING.
  THE SNOWFALL IS EXPECTED TO PERSIST THROUGH THE MORNING. THE
  HEAVIEST SNOW IS LIKELY BETWEEN 6 AM AND 10 AM. THE SNOW WILL
  TAPER OFF TO FLURRIES BY AROUND NOON.

* STORM TOTAL SNOW ACCUMULATIONS...HEAVIEST SNOWFALL TOTALS WILL
  BE BETWEEN 4 TO 5 INCHES.

* WINDS/VISIBILITY...WINDS WILL INCREASE WITH NORTH TO NORTHWEST
  WINDS OF 20 TO 30 MPH AND GUSTS AS HIGH AS 40 MPH THIS MORNING.
  VISIBILITIES MAY BE REDUCED TO ONE HALF MILE OR LESS AT TIMES
  DUE TO THE BLOWING SNOW. 

* IMPACTS...SNOW MAY INITIALLY BE HEAVY AND WET AND BEGIN TO
  FREEZE ON TREE BRANCHES AND OTHER SURFACES. AS WINDS INCREASE
  AND TEMPERATURES FALL...BLOWING SNOW WILL BECOME MORE OF A
  PROBLEM. WITH THE FALLING TEMPERATURES THE SNOW WILL BECOME
  DRIER AND WILL BLOW MORE EASILY. VISIBILITY MAY FALL TO NEAR
  ZERO AT TIMES IN OPEN AREAS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING.  SIGNIFICANT AMOUNTS OF
SNOW AND BLOWING SNOW ARE FORECAST THAT WILL MAKE TRAVEL
DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP
AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF
AN EMERGENCY.

&&

$$

IAZ017-025-026-301800-
/O.NEW.KDMX.WC.Y.0004.130131T0600Z-130201T1800Z/
/O.CON.KDMX.WW.Y.0001.000000T0000Z-130130T1800Z/
CERRO GORDO-WRIGHT-FRANKLIN-
INCLUDING THE CITIES OF...MASON CITY...CLARION...HAMPTON
354 AM CST WED JAN 30 2013

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON CST
TODAY...
...WIND CHILL ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO NOON
CST FRIDAY...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WIND
CHILL ADVISORY...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO NOON
CST FRIDAY. 

* TIMING...SNOW WILL CONTINUE ACROSS THE AREA WITH THE BULK OF THE
  ACCUMULATION BEFORE 9 AM THIS MORNING.

* STORM TOTAL SNOW ACCUMULATIONS...SNOWFALL TOTALS OF 1 TO 4 
  INCHES ARE POSSIBLE WITH THE HIGHEST AMOUNTS SOUTH OF FORT 
  DODGE AND MASON CITY. 

* WINDS/VISIBILITY...WINDS WILL INCREASE WITH NORTH TO NORTHWEST
  WINDS OF 20 TO 30 MPH AND GUSTS AS HIGH AS 40 MPH THIS MORNING.
  VISIBILITIES MAY BE REDUCED TO ONE HALF MILE OR LESS AT TIMES
  DUE TO THE BLOWING SNOW. 

* TIMING FOR WIND CHILL ADVISORY...FROM MIDNIGHT TONIGHT THROUGH
  NOON FRIDAY

* WINDS...NORTHWEST WINDS OF 15 TO 25 MPH WILL PERSIST TONIGHT
  THROUGH THURSDAY...AND DIMINISH THURSDAY NIGHT.

* WIND CHILL VALUES...WIND CHILL INDICES WILL FALL TO 20 TO 25
  BELOW ZERO TONIGHT...AND 20 TO 30 BELOW THURSDAY NIGHT.

* IMPACTS...BLOWING SNOW WILL BECOME MORE OF A PROBLEM. WITH THE
  FALLING TEMPERATURES THE SNOW WILL BECOME DRIER AND WILL BLOW
  MORE EASILY. VISIBILITY MAY FALL TO NEAR ZERO AT TIMES IN OPEN
  AREAS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT
VISIBILITY WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND
BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN
AREAS.

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND WIND WILL
COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST
BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.  IF
YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES.

&&

$$

IAZ004>007-015-016-023-024-301800-
/O.NEW.KDMX.WC.Y.0004.130131T0600Z-130201T1800Z/
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-POCAHONTAS-
HUMBOLDT-
INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY...
NORTHWOOD...EMMETSBURG...GARNER...POCAHONTAS...HUMBOLDT
354 AM CST WED JAN 30 2013

...WIND CHILL ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO NOON
CST FRIDAY...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WIND
CHILL ADVISORY...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO NOON
CST FRIDAY. 

* TIMING OR SHORT TERM TRENDS...FROM MIDNIGHT TONIGHT THROUGH
  NOON FRIDAY

* WINDS...NORTHWEST WINDS OF 15 TO 25 MPH WILL PERSIST TONIGHT
  THROUGH THURSDAY...AND DIMINISH THURSDAY NIGHT.

* WIND CHILL VALUES...WIND CHILL INDICES WILL FALL TO 20 TO 25
  BELOW ZERO TONIGHT...AND 20 TO 30 BELOW THURSDAY NIGHT.

* IMPACTS...WITH THESE LOW WIND CHILL INDICES...EXPOSED SKIN WILL
  FREEZE QUICKLY. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND WIND WILL
COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST
BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.  IF
YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES.

&&

$$

IAZ035-036-045-046-057-058-070-301800-
/O.CON.KDMX.WW.Y.0001.000000T0000Z-130130T1800Z/
WEBSTER-HAMILTON-CARROLL-GREENE-AUDUBON-GUTHRIE-CASS-
INCLUDING THE CITIES OF...FORT DODGE...WEBSTER CITY...CARROLL...
JEFFERSON...AUDUBON...GUTHRIE CENTER...ATLANTIC
354 AM CST WED JAN 30 2013

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON CST
TODAY...

* TIMING...SNOW WILL CONTINUE ACROSS THE AREA WITH THE BULK OF THE
  ACCUMULATION BEFORE 9 AM THIS MORNING.

* STORM TOTAL SNOW ACCUMULATIONS...SNOWFALL TOTALS OF 1 TO 4
  INCHES ARE POSSIBLE WITH THE HIGHEST AMOUNTS SOUTH OF A FORT
  DODGE TO ATLANTIC LINE.

* WINDS/VISIBILITY...WINDS WILL INCREASE WITH NORTH TO NORTHWEST
  WINDS OF 20 TO 30 MPH AND GUSTS AS HIGH AS 40 MPH THIS MORNING.
  VISIBILITIES MAY BE REDUCED TO ONE HALF MILE OR LESS AT TIMES
  DUE TO THE BLOWING SNOW. 

* IMPACTS...BLOWING SNOW WILL BECOME MORE OF A PROBLEM. WITH THE
  FALLING TEMPERATURES THE SNOW WILL BECOME DRIER AND WILL BLOW
  MORE EASILY. VISIBILITY MAY FALL TO NEAR ZERO AT TIMES IN OPEN
  AREAS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT
VISIBILITY WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND
BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN
AREAS.

&&

$$
12 follow-up statements
147 
WWUS43 KDMX 301234
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
634 AM CST WED JAN 30 2013

...HEAVY SNOW POSSIBLE WITH CONSIDERABLE BLOWING SNOW THIS
MORNING...

.A LOW PRESSURE SYSTEM OVER ILLINOIS WILL MOVE TO NORTH OF LAKE
ERIE BY THIS EVENING. A BAND OF SNOW WILL MOVE ACROSS IOWA THIS
MORNING. STRONG WINDS WILL BRING WIDESPREAD BLOWING SNOW THIS
MORNING. MUCH COLDER AIR FOLLOWING THE LOW WILL PRODUCE DANGEROUS
WIND CHILLS TONIGHT INTO FRIDAY OVER THE NORTH HALF OF IOWA.

IAZ027-028-302045-
/O.CON.KDMX.WS.W.0002.000000T0000Z-130130T1800Z/
/O.CON.KDMX.WC.Y.0004.130131T0600Z-130201T1800Z/
BUTLER-BREMER-
INCLUDING THE CITIES OF...ALLISON...WAVERLY
634 AM CST WED JAN 30 2013

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON CST TODAY...
...WIND CHILL ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO
NOON CST FRIDAY...

* SHORT TERM TRENDS...SNOW WILL CONTINUE ADVANCE ACROSS IOWA THIS
  MORNING. THE SNOWFALL IS EXPECTED TO PERSIST THROUGH THE
  MORNING. THE HEAVIEST SNOW IS LIKELY BEFORE 9 AM...WITH THE SNOW
  TAPERING OFF BY NOON.

* STORM TOTAL SNOW ACCUMULATIONS...HEAVIEST SNOWFALL TOTALS WILL
  BE BETWEEN 5 TO 6 INCHES.

* WINDS/VISIBILITY...WINDS WILL BE NORTH TO NORTHWEST AT 20 TO 30
  MPH WITH GUSTS AS HIGH AS 40 MPH THIS MORNING. VISIBILITIES MAY
  BE REDUCED TO ONE HALF MILE OR LESS AT TIMES DUE TO THE BLOWING
  SNOW.

* TIMING FOR WIND CHILL ADVISORY...FROM MIDNIGHT TONIGHT THROUGH 
  NOON FRIDAY 

* WINDS...NORTHWEST WINDS OF 15 TO 25 MPH WILL PERSIST TONIGHT 
  THROUGH THURSDAY...AND DIMINISH THURSDAY NIGHT. 

* WIND CHILL VALUES...WIND CHILL INDICES WILL FALL TO 20 TO 25 
  BELOW ZERO TONIGHT...AND 20 TO 30 BELOW THURSDAY NIGHT. 

* IMPACTS...SNOW WILL FREEZE ON ROAD SURFACES DUE TO THE WARM
  GROUND AT THE START. BLOWING SNOW WILL BE A PROBLEM. WITH THE
  FALLING TEMPERATURES THE SNOW WILL BECOME DRIER AND WILL BLOW
  MORE EASILY. VISIBILITY MAY FALL TO NEAR ZERO AT TIMES IN OPEN
  AREAS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING.  SIGNIFICANT AMOUNTS OF
SNOW AND BLOWING SNOW ARE FORECAST THAT WILL MAKE TRAVEL
DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP
AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF
AN EMERGENCY.

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND WIND WILL
COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST
BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.  IF
YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES.

&&

$$

IAZ037>039-047>050-059>061-071>073-081>083-092>094-301800-
/O.CON.KDMX.WS.W.0002.000000T0000Z-130130T1800Z/
HARDIN-GRUNDY-BLACK HAWK-BOONE-STORY-MARSHALL-TAMA-DALLAS-POLK-
JASPER-ADAIR-MADISON-WARREN-ADAMS-UNION-CLARKE-TAYLOR-RINGGOLD-
DECATUR-
INCLUDING THE CITIES OF...ELDORA...GRUNDY CENTER...WATERLOO...
BOONE...AMES...MARSHALLTOWN...TOLEDO...ADEL...DES MOINES...
NEWTON...GREENFIELD...WINTERSET...INDIANOLA...CORNING...CRESTON...
OSCEOLA...BEDFORD...MOUNT AYR...LEON
634 AM CST WED JAN 30 2013

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON CST TODAY...

* SHORT TERM TRENDS...SNOW WILL CONTINUE ADVANCE ACROSS IOWA THIS
  MORNING. THE SNOWFALL IS EXPECTED TO PERSIST THROUGH THE
  MORNING. THE HEAVIEST SNOW IS LIKELY BEFORE 8 AM WEST OF
  INTERSTATE 35...AND LASTING UNTIL 10 AM EAST OF INTERSTATE 35.
  SNOW WILL TAPER OFF TO FLURRIES BY AROUND NOON.

* STORM TOTAL SNOW ACCUMULATIONS...HEAVIEST SNOWFALL TOTALS WILL
  BE BETWEEN 4 TO 6 INCHES.

* WINDS/VISIBILITY...WINDS WILL BE NORTH TO NORTHWEST AT 20 TO 30
  MPH WITH GUSTS AS HIGH AS 40 MPH THIS MORNING. VISIBILITIES MAY
  BE REDUCED TO ONE QUARTER MILE OR LESS AT TIMES DUE TO THE
  BLOWING SNOW.

* IMPACTS...SNOW WILL FREEZE ON ROAD SURFACES DUE TO THE WARM
  GROUND AT THE START. BLOWING SNOW WILL BE A PROBLEM. WITH THE
  FALLING TEMPERATURES THE SNOW WILL BECOME DRIER AND WILL BLOW
  MORE EASILY. VISIBILITY MAY FALL TO NEAR ZERO AT TIMES IN OPEN
  AREAS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING.  SIGNIFICANT AMOUNTS OF
SNOW AND BLOWING SNOW ARE FORECAST THAT WILL MAKE TRAVEL
DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP
AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF
AN EMERGENCY.

&&

$$

IAZ062-074-075-084>086-095>097-301800-
/O.CON.KDMX.WS.W.0002.000000T0000Z-130130T1800Z/
POWESHIEK-MARION-MAHASKA-LUCAS-MONROE-WAPELLO-WAYNE-APPANOOSE-
DAVIS-
INCLUDING THE CITIES OF...GRINNELL...KNOXVILLE...OSKALOOSA...
CHARITON...ALBIA...OTTUMWA...CORYDON...CENTERVILLE...BLOOMFIELD
634 AM CST WED JAN 30 2013

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON CST TODAY...

* TIMING...SNOW WILL CONTINUE ADVANCE ACROSS IOWA THIS MORNING. 
  THE SNOWFALL IS EXPECTED TO PERSIST THROUGH THE MORNING. THE 
  HEAVIEST SNOW IS LIKELY BETWEEN 6 AM AND 10 AM. THE SNOW WILL 
  TAPER OFF TO FLURRIES BY AROUND NOON. 

* STORM TOTAL SNOW ACCUMULATIONS...HEAVIEST SNOWFALL TOTALS WILL 
  BE BETWEEN 4 TO 5 INCHES. 

* WINDS/VISIBILITY...WINDS WILL INCREASE WITH NORTH TO NORTHWEST
  WINDS OF 20 TO 30 MPH AND GUST AS HIGH AS 40 MPH THIS MORNING.
  VISIBILITIES MAY BE REDUCED TO ONE QUARTER MILE OR LESS AT
  TIMES DUE TO THE BLOWING SNOW.

* IMPACTS...AS WINDS INCREASE AND TEMPERATURES FALL...BLOWING
  SNOW WILL BECOME MORE OF A PROBLEM. WITH THE FALLING
  TEMPERATURES THE SNOW WILL BECOME DRIER AND WILL BLOW MORE
  EASILY. VISIBILITY MAY FALL TO NEAR ZERO AT TIMES IN OPEN AREAS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING.  SIGNIFICANT AMOUNTS OF
SNOW AND BLOWING SNOW ARE FORECAST THAT WILL MAKE TRAVEL
DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP
AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF
AN EMERGENCY.

&&

$$

IAZ017-025-026-302045-
/O.CON.KDMX.WW.Y.0001.000000T0000Z-130130T1800Z/
/O.CON.KDMX.WC.Y.0004.130131T0600Z-130201T1800Z/
CERRO GORDO-WRIGHT-FRANKLIN-
INCLUDING THE CITIES OF...MASON CITY...CLARION...HAMPTON
634 AM CST WED JAN 30 2013

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON CST
TODAY...
...WIND CHILL ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO
NOON CST FRIDAY...

* TIMING...SNOW WILL CONTINUE ACROSS THE AREA WITH THE BULK OF THE
  ACCUMULATION BEFORE 9 AM THIS MORNING.

* STORM TOTAL SNOW ACCUMULATIONS...SNOWFALL TOTALS WILL RANGE FROM
  1 TO 4 INCHES. THE HIGHEST AMOUNTS WILL BE SOUTH OF FORT DODGE
  AND MASON CITY.

* WINDS/VISIBILITY...WINDS WILL BE NORTH TO NORTHWEST AT 20 TO 30
  MPH WITH GUSTS AS HIGH AS 40 MPH THIS MORNING. VISIBILITIES MAY
  BE REDUCED TO ONE HALF MILE OR LESS AT TIMES DUE TO THE BLOWING
  SNOW.

* TIMING FOR WIND CHILL ADVISORY...FROM MIDNIGHT TONIGHT THROUGH 
  NOON FRIDAY 

* WINDS...NORTHWEST WINDS OF 15 TO 25 MPH WILL PERSIST TONIGHT 
  THROUGH THURSDAY...AND DIMINISH THURSDAY NIGHT. 

* WIND CHILL VALUES...WIND CHILL INDICES WILL FALL TO 20 TO 25 
  BELOW ZERO TONIGHT...AND 20 TO 30 BELOW THURSDAY NIGHT. 

* IMPACTS...BLOWING SNOW WILL BECOME MORE OF A PROBLEM. WITH THE 
  FALLING TEMPERATURES THE SNOW WILL BECOME DRIER AND WILL BLOW 
  MORE EASILY. VISIBILITY MAY FALL TO NEAR ZERO AT TIMES IN OPEN 
  AREAS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT
VISIBILITY WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND
BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN
AREAS.

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND WIND WILL
COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST
BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.  IF
YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES.

&&

$$

IAZ035-036-045-046-057-058-070-301800-
/O.CON.KDMX.WW.Y.0001.000000T0000Z-130130T1800Z/
WEBSTER-HAMILTON-CARROLL-GREENE-AUDUBON-GUTHRIE-CASS-
INCLUDING THE CITIES OF...FORT DODGE...WEBSTER CITY...CARROLL...
JEFFERSON...AUDUBON...GUTHRIE CENTER...ATLANTIC
634 AM CST WED JAN 30 2013

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON CST
TODAY...

* TIMING...SNOW WILL CONTINUE ACROSS THE AREA WITH THE BULK OF THE
  ACCUMULATION OCCURRING BY 8 OR 9 AM. 

* STORM TOTAL SNOW ACCUMULATIONS...SNOWFALL TOTALS OF 1 TO 4
  INCHES ARE POSSIBLE WITH THE HIGHEST AMOUNTS...UP TO 5 INCHES...SOUTH
  OF A FORT DODGE TO ATLANTIC LINE.

* WINDS/VISIBILITY...WINDS WILL BE NORTH TO NORTHWEST AT 20 TO 30
  MPH WITH GUSTS GUSTS AS HIGH AS 40 MPH THIS MORNING.
  VISIBILITIES MAY BE REDUCED TO ONE HALF MILE OR LESS AT TIMES
  DUE TO THE BLOWING SNOW.

* IMPACTS...BLOWING SNOW WILL BECOME MORE OF A PROBLEM. WITH THE 
  FALLING TEMPERATURES THE SNOW WILL BECOME DRIER AND WILL BLOW 
  MORE EASILY. VISIBILITY MAY FALL TO NEAR ZERO AT TIMES IN OPEN 
  AREAS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT
VISIBILITY WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND
BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN
AREAS.

&&

$$

IAZ004>007-015-016-023-024-302045-
/O.CON.KDMX.WC.Y.0004.130131T0600Z-130201T1800Z/
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-POCAHONTAS-
HUMBOLDT-
INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY...
NORTHWOOD...EMMETSBURG...GARNER...POCAHONTAS...HUMBOLDT
634 AM CST WED JAN 30 2013

...WIND CHILL ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO
NOON CST FRIDAY...

* TIMING OR SHORT TERM TRENDS...FROM MIDNIGHT TONIGHT THROUGH 
  NOON FRIDAY 

* WINDS...NORTHWEST WINDS OF 15 TO 25 MPH WILL PERSIST TONIGHT 
  THROUGH THURSDAY...AND DIMINISH THURSDAY NIGHT. 

* WIND CHILL VALUES...WIND CHILL INDICES WILL FALL TO 20 TO 25 
  BELOW ZERO TONIGHT...AND 20 TO 30 BELOW THURSDAY NIGHT. 

* IMPACTS...WITH THESE LOW WIND CHILL INDICES...EXPOSED SKIN 
  WILL FREEZE QUICKLY. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND WIND WILL
COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST
BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.  IF
YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES.

&&

$$
859 
WWUS43 KDMX 301535
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
935 AM CST WED JAN 30 2013

...HEAVY SNOW AND BLOWING SNOW CONTINUES THIS MORNING...

.A LOW PRESSURE SYSTEM OVER ILLINOIS WILL CONTINUE TO PRESS
FURTHER EAST AND ALLOW FOR THE HEAVY SNOW TO SLOWLY TAPER OFF LATE
THIS MORNING INTO THE EARLY AFTERNOON HOURS. STRONG WINDS WILL
BRING WIDESPREAD BLOWING SNOW AND REDUCED VISIBILITY INTO THE
AFTERNOON HOURS. MUCH COLDER AIR WILL FILTER INTO THE STATE AND
PRODUCE VERY DANGEROUS WIND CHILLS TONIGHT INTO FRIDAY OVER THE
NORTHERN HALF OF IOWA.

IAZ027-028-302345-
/O.CON.KDMX.WS.W.0002.000000T0000Z-130130T1800Z/
/O.CON.KDMX.WC.Y.0004.130131T0600Z-130201T1800Z/
BUTLER-BREMER-
INCLUDING THE CITIES OF...ALLISON...WAVERLY
935 AM CST WED JAN 30 2013

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON CST TODAY...
...WIND CHILL ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO
NOON CST FRIDAY...

* SHORT TERM TRENDS...SNOW WILL CONTINUE THROUGH THE LATE MORNING
  HOURS WHERE AN ADDITIONAL 1 TO 2 INCHES ARE POSSIBLE BEFORE THE
  SNOW TAPERS OFF TO FLURRIES THIS AFTERNOON.

* STORM TOTAL SNOW ACCUMULATIONS...HEAVIEST SNOWFALL TOTALS WILL
  RANGE BETWEEN 5 TO 8 INCHES.

* WINDS/VISIBILITY...NORTH TO NORTHWEST WINDS FROM 20 TO 3O MPH
  WITH HIGHER GUSTS WILL CAUSE VISIBILITIES TO BE BE REDUCED TO
  ONE HALF MILE OR LESS AT TIMES DUE TO THE BLOWING SNOW.

* TIMING FOR WIND CHILL ADVISORY...FROM MIDNIGHT TONIGHT THROUGH 
  NOON FRIDAY 

* WINDS...NORTHWEST WINDS OF 15 TO 25 MPH WILL PERSIST TONIGHT 
  THROUGH THURSDAY...AND DIMINISH THURSDAY NIGHT. 

* WIND CHILL VALUES...WIND CHILL INDEX READINGS WILL FALL TO 20
  TO 25 BELOW ZERO TONIGHT...AND 20 TO 30 BELOW THURSDAY NIGHT.

* IMPACTS...SNOW WILL FREEZE ON ROAD SURFACES DUE TO THE WARM
  GROUND AT THE START. BLOWING SNOW WILL BE A PROBLEM. WITH THE
  FALLING TEMPERATURES THE SNOW WILL BECOME DRIER AND WILL BLOW
  MORE EASILY. VISIBILITY MAY FALL TO NEAR ZERO AT TIMES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING.  SIGNIFICANT AMOUNTS OF
SNOW AND BLOWING SNOW ARE FORECAST THAT WILL MAKE TRAVEL
DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP
AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF
AN EMERGENCY.

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND WIND WILL
COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST
BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.  IF
YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES.

&&

$$

IAZ037>039-047>050-059>061-071>073-081>083-092>094-301800-
/O.CON.KDMX.WS.W.0002.000000T0000Z-130130T1800Z/
HARDIN-GRUNDY-BLACK HAWK-BOONE-STORY-MARSHALL-TAMA-DALLAS-POLK-
JASPER-ADAIR-MADISON-WARREN-ADAMS-UNION-CLARKE-TAYLOR-RINGGOLD-
DECATUR-
INCLUDING THE CITIES OF...ELDORA...GRUNDY CENTER...WATERLOO...
BOONE...AMES...MARSHALLTOWN...TOLEDO...ADEL...DES MOINES...
NEWTON...GREENFIELD...WINTERSET...INDIANOLA...CORNING...CRESTON...
OSCEOLA...BEDFORD...MOUNT AYR...LEON
935 AM CST WED JAN 30 2013

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON CST TODAY...

* SHORT TERM TRENDS...SNOW LOOKS TO SLOWLY TAPER OFF LATE THIS
  MORNING WHERE AN ADDITIONAL 1 TO MAYBE 2 INCHES ARE POSSIBLE
  THROUGH NOON...GENERALLY ALONG AND SOUTHEAST OF A LINE FROM
  WATERLOO TO CHARITON. 

* STORM TOTAL SNOW ACCUMULATIONS...HEAVIEST SNOWFALL TOTALS WILL
  BE BETWEEN 4 TO 8 INCHES.

* WINDS/VISIBILITY...WINDS WILL BE NORTH TO NORTHWEST AT 20 TO 30
  MPH WITH HIGHER GUSTS POSSIBLE. VISIBILITIES MAY BE REDUCED TO
  ONE QUARTER MILE OR LESS AT TIMES DUE TO THE BLOWING SNOW.

* IMPACTS...SNOW WILL FREEZE ON ROAD SURFACES DUE TO THE WARM 
  GROUND AT THE START. BLOWING SNOW WILL BE A PROBLEM. WITH THE 
  FALLING TEMPERATURES THE SNOW WILL BECOME DRIER AND WILL BLOW 
  MORE EASILY. VISIBILITY MAY FALL TO NEAR ZERO AT TIMES IN OPEN 
  AREAS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING.  SIGNIFICANT AMOUNTS OF
SNOW AND BLOWING SNOW ARE FORECAST THAT WILL MAKE TRAVEL
DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP
AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF
AN EMERGENCY.

&&

$$

IAZ062-074-075-084>086-095>097-301800-
/O.CON.KDMX.WS.W.0002.000000T0000Z-130130T1800Z/
POWESHIEK-MARION-MAHASKA-LUCAS-MONROE-WAPELLO-WAYNE-APPANOOSE-
DAVIS-
INCLUDING THE CITIES OF...GRINNELL...KNOXVILLE...OSKALOOSA...
CHARITON...ALBIA...OTTUMWA...CORYDON...CENTERVILLE...BLOOMFIELD
935 AM CST WED JAN 30 2013

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON CST TODAY...

* TIMING...SNOW WILL CONTINUE THROUGH THE LATE MORNING HOURS WHERE
  AN ADDITIONAL 1 TO 2 INCHES MAYBE POSSIBLE THROUGH NOON. THE
  SNOW WILL TAPER OFF TO FLURRIES BY AROUND NOON.

* STORM TOTAL SNOW ACCUMULATIONS...HEAVIEST SNOWFALL TOTALS WILL
  BE BETWEEN 4 TO 7 INCHES.

* WINDS/VISIBILITY...NORTH TO NORTHWEST WINDS OF 20 TO 30 MPH AND
  GUSTS NEAR 40 MPH ARE POSSIBLE. VISIBILITIES MAY BE REDUCED TO
  ONE QUARTER MILE OR LESS AT TIMES DUE TO THE BLOWING SNOW.

* IMPACTS...AS WINDS INCREASE AND TEMPERATURES FALL...BLOWING 
  SNOW WILL BECOME MORE OF A PROBLEM. WITH THE FALLING 
  TEMPERATURES THE SNOW WILL BECOME DRIER AND WILL BLOW MORE 
  EASILY. VISIBILITY MAY FALL TO NEAR ZERO AT TIMES IN OPEN 
  AREAS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING.  SIGNIFICANT AMOUNTS OF
SNOW AND BLOWING SNOW ARE FORECAST THAT WILL MAKE TRAVEL
DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP
AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF
AN EMERGENCY.

&&

$$

IAZ017-025-026-302345-
/O.CON.KDMX.WW.Y.0001.000000T0000Z-130130T1800Z/
/O.CON.KDMX.WC.Y.0004.130131T0600Z-130201T1800Z/
CERRO GORDO-WRIGHT-FRANKLIN-
INCLUDING THE CITIES OF...MASON CITY...CLARION...HAMPTON
935 AM CST WED JAN 30 2013

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON CST
TODAY...
...WIND CHILL ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO
NOON CST FRIDAY...

* TIMING...LIGHT SNOW WILL BECOME GENERALLY LIGHT FLURRIES THROUGH
  THE LATE MORNING. 

* STORM TOTAL SNOW ACCUMULATIONS...SNOWFALL TOTALS WILL RANGE FROM
  1 TO 3 INCHES.

* WINDS/VISIBILITY...NORTH TO NORTHWEST AT 20 TO 30 MPH WITH GUSTS
  TO NEAR 40 MPH WILL CAUSE VISIBILITIES TO BE REDUCED TO ONE
  HALF MILE OR LESS AT TIMES DUE TO THE BLOWING SNOW.

* TIMING FOR WIND CHILL ADVISORY...FROM MIDNIGHT TONIGHT THROUGH 
  NOON FRIDAY 

* WINDS...NORTHWEST WINDS OF 15 TO 25 MPH WILL PERSIST TONIGHT 
  THROUGH THURSDAY...AND DIMINISH THURSDAY NIGHT. 

* WIND CHILL VALUES...WIND CHILL INDEX READINGS WILL FALL TO 20
  TO 25 BELOW ZERO TONIGHT...AND 20 TO 30 BELOW THURSDAY NIGHT.

* IMPACTS...BLOWING SNOW WILL BECOME MORE OF A PROBLEM. WITH THE 
  FALLING TEMPERATURES THE SNOW WILL BECOME DRIER AND WILL BLOW 
  MORE EASILY. VISIBILITY MAY FALL TO NEAR ZERO AT TIMES IN OPEN 
  AREAS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT
VISIBILITY WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND
BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN
AREAS.

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND WIND WILL
COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST
BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.  IF
YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES.

&&

$$

IAZ035-036-045-046-057-058-070-301800-
/O.CON.KDMX.WW.Y.0001.000000T0000Z-130130T1800Z/
WEBSTER-HAMILTON-CARROLL-GREENE-AUDUBON-GUTHRIE-CASS-
INCLUDING THE CITIES OF...FORT DODGE...WEBSTER CITY...CARROLL...
JEFFERSON...AUDUBON...GUTHRIE CENTER...ATLANTIC
935 AM CST WED JAN 30 2013

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON CST
TODAY...

* TIMING...SNOW WILL TAPER OFF TO FLURRIES LATE THIS MORNING.

* STORM TOTAL SNOW ACCUMULATIONS...SNOWFALL TOTALS OF 1 TO 3
  INCHES.

* WINDS/VISIBILITY...NORTH TO NORTHWEST WINDS AT 20 TO 30 MPH WITH
  HIGHER GUSTS MAY CAUSE VISIBILITIES TO BE REDUCED TO ONE HALF
  MILE OR LESS AT TIMES DUE TO THE BLOWING SNOW.

* IMPACTS...BLOWING SNOW WILL BECOME MORE OF A PROBLEM. WITH THE
  FALLING TEMPERATURES THE SNOW WILL BECOME DRIER AND WILL BLOW
  MORE EASILY. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT
VISIBILITY WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND
BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN
AREAS.

&&

$$

IAZ004>007-015-016-023-024-302345-
/O.CON.KDMX.WC.Y.0004.130131T0600Z-130201T1800Z/
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-POCAHONTAS-
HUMBOLDT-
INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY...
NORTHWOOD...EMMETSBURG...GARNER...POCAHONTAS...HUMBOLDT
935 AM CST WED JAN 30 2013

...WIND CHILL ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO
NOON CST FRIDAY...

* TIMING OR SHORT TERM TRENDS...FROM MIDNIGHT TONIGHT THROUGH 
  NOON FRIDAY 

* WINDS...NORTHWEST WINDS OF 15 TO 25 MPH WILL PERSIST TONIGHT 
  THROUGH THURSDAY...AND DIMINISH THURSDAY NIGHT. 

* WIND CHILL VALUES...WIND CHILL INDEX READINGS WILL FALL TO 20 TO
  25 BELOW ZERO TONIGHT...AND 20 TO 30 BELOW THURSDAY NIGHT.

* IMPACTS...WITH THESE LOW WIND CHILL INDEX READINGS...EXPOSED SKIN 
  WILL FREEZE QUICKLY. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND WIND WILL
COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST
BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.  IF
YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES.

&&

$$
774 
WWUS43 KDMX 301757
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
1157 AM CST WED JAN 30 2013

...HEAVY SNOW ENDING AND BLOWING SNOW CONTINUES...

.AN AREA OF LOW PRESSURE OVER ILLINOIS WILL CONTINUE TO PRESS
FURTHER EAST AND HAS ALLOWED FOR THE HEAVY SNOW TO TAPER OFF LATE
THIS MORNING EXCEPT FOR THE FAR SOUTHEAST. STRONG WINDS WILL
BRING WIDESPREAD BLOWING SNOW AND REDUCED VISIBILITY INTO THE
AFTERNOON HOURS. MUCH COLDER AIR WILL FILTER INTO THE STATE AND
PRODUCE VERY DANGEROUS WIND CHILLS TONIGHT INTO FRIDAY OVER THE
NORTHERN HALF OF IOWA.

IAZ027-028-310200-
/O.EXP.KDMX.WS.W.0002.000000T0000Z-130130T1800Z/
/O.CON.KDMX.WC.Y.0004.130131T0600Z-130201T1800Z/
BUTLER-BREMER-
INCLUDING THE CITIES OF...ALLISON...WAVERLY
1157 AM CST WED JAN 30 2013

...WIND CHILL ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO
NOON CST FRIDAY...
...WINTER STORM WARNING WILL EXPIRE AT NOON CST TODAY...

* SHORT TERM TRENDS...THE MODERATE TO HEAVY SNOW HAS ENDED SNOW
  BUT SCATTERED FLURRIES AND THE STRONG NORTHWEST WINDS WILL
  CONTINUE TO CAUSE BLOWING AND DRIFTING OF SNOW THROUGH THE
  AFTERNOON HOURS. NO ADDITIONAL SNOW ACCUMULATION IS
  EXPECTED...SO THE WINTER STORM WARNING HAS BEEN ALLOWED TO
  EXPIRE AT NOON CST.

* TIMING FOR WIND CHILL ADVISORY...FROM MIDNIGHT TONIGHT THROUGH 
  NOON FRIDAY 

* WINDS...NORTHWEST WINDS OF 15 TO 25 MPH WILL PERSIST TONIGHT 
  THROUGH THURSDAY...AND DIMINISH THURSDAY NIGHT. 

* WIND CHILL VALUES...WIND CHILL INDEX READINGS WILL FALL TO 20 
  TO 25 BELOW ZERO TONIGHT...AND 20 TO 30 BELOW THURSDAY NIGHT. 

* IMPACTS...BLOWING AND DRIFTING OF SNOW WILL CONTINUE TO CAUSE
  HAZARDOUS TRAVEL THROUGH THE AFTERNOON. VISIBILITY MAY FALL TO
  LESS THAN A MILE AT TIMES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND WIND WILL
COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST
BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.  IF
YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES.

&&

$$

IAZ037>039-047>050-059>061-071>073-081>083-092>094-301900-
/O.EXP.KDMX.WS.W.0002.000000T0000Z-130130T1800Z/
HARDIN-GRUNDY-BLACK HAWK-BOONE-STORY-MARSHALL-TAMA-DALLAS-POLK-
JASPER-ADAIR-MADISON-WARREN-ADAMS-UNION-CLARKE-TAYLOR-RINGGOLD-
DECATUR-
INCLUDING THE CITIES OF...ELDORA...GRUNDY CENTER...WATERLOO...
BOONE...AMES...MARSHALLTOWN...TOLEDO...ADEL...DES MOINES...
NEWTON...GREENFIELD...WINTERSET...INDIANOLA...CORNING...CRESTON...
OSCEOLA...BEDFORD...MOUNT AYR...LEON
1157 AM CST WED JAN 30 2013

...WINTER STORM WARNING WILL EXPIRE AT NOON CST TODAY...

THE MODERATE TO HEAVY SNOW HAS ENDED SNOW BUT SCATTERED FLURRIES
AND THE STRONG NORTHWEST WINDS WILL CONTINUE TO CAUSE BLOWING AND
DRIFTING OF SNOW THROUGH THE AFTERNOON HOURS. NO ADDITIONAL SNOW
ACCUMULATION IS EXPECTED...SO THE WINTER STORM WARNING HAS BEEN
ALLOWED TO EXPIRE AT NOON CST.

$$

IAZ062-074-075-084>086-095>097-301900-
/O.EXP.KDMX.WS.W.0002.000000T0000Z-130130T1800Z/
POWESHIEK-MARION-MAHASKA-LUCAS-MONROE-WAPELLO-WAYNE-APPANOOSE-
DAVIS-
INCLUDING THE CITIES OF...GRINNELL...KNOXVILLE...OSKALOOSA...
CHARITON...ALBIA...OTTUMWA...CORYDON...CENTERVILLE...BLOOMFIELD
1157 AM CST WED JAN 30 2013

...WINTER STORM WARNING WILL EXPIRE AT NOON CST TODAY...

THE MODERATE TO HEAVY SNOW HAS ENDED SNOW BUT SCATTERED FLURRIES
AND THE STRONG NORTHWEST WINDS WILL CONTINUE TO CAUSE BLOWING AND
DRIFTING OF SNOW THROUGH THE AFTERNOON HOURS. NO ADDITIONAL SNOW
ACCUMULATION IS EXPECTED...SO THE WINTER STORM WARNING HAS BEEN
ALLOWED TO EXPIRE AT NOON CST.

$$

IAZ017-025-026-310200-
/O.EXP.KDMX.WW.Y.0001.000000T0000Z-130130T1800Z/
/O.CON.KDMX.WC.Y.0004.130131T0600Z-130201T1800Z/
CERRO GORDO-WRIGHT-FRANKLIN-
INCLUDING THE CITIES OF...MASON CITY...CLARION...HAMPTON
1157 AM CST WED JAN 30 2013

...WIND CHILL ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO
NOON CST FRIDAY...
...WINTER WEATHER ADVISORY WILL EXPIRE AT NOON CST TODAY...

* SHORT TERM TRENDS...THE LIGHT TO MODERATE SNOW HAS ENDED SNOW
  BUT SCATTERED FLURRIES AND THE STRONG NORTHWEST WINDS WILL
  CONTINUE TO CAUSE BLOWING AND DRIFTING OF SNOW THROUGH THE
  AFTERNOON HOURS. NO ADDITIONAL SNOW ACCUMULATION IS
  EXPECTED...SO THE WINTER WEATHER ADVISORY HAS BEEN ALLOWED TO
  EXPIRE AT NOON CST.

* TIMING FOR WIND CHILL ADVISORY...FROM MIDNIGHT TONIGHT THROUGH 
  NOON FRIDAY 

* WINDS...NORTHWEST WINDS OF 15 TO 25 MPH WILL PERSIST TONIGHT 
  THROUGH THURSDAY...AND DIMINISH THURSDAY NIGHT. 

* WIND CHILL VALUES...WIND CHILL INDEX READINGS WILL FALL TO 20 
  TO 25 BELOW ZERO TONIGHT...AND 20 TO 30 BELOW THURSDAY NIGHT. 

* IMPACTS...BLOWING SNOW WILL REDUCE VISIBILITY MAY FALL TO LESS
  THAN A MILE AT TIMES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND WIND WILL
COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST
BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.  IF
YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES.

&&

$$

IAZ035-036-045-046-057-058-070-301900-
/O.EXP.KDMX.WW.Y.0001.000000T0000Z-130130T1800Z/
WEBSTER-HAMILTON-CARROLL-GREENE-AUDUBON-GUTHRIE-CASS-
INCLUDING THE CITIES OF...FORT DODGE...WEBSTER CITY...CARROLL...
JEFFERSON...AUDUBON...GUTHRIE CENTER...ATLANTIC
1157 AM CST WED JAN 30 2013

...WINTER WEATHER ADVISORY WILL EXPIRE AT NOON CST TODAY...

THE LIGHT TO MODERATE SNOW HAS ENDED SNOW BUT SCATTERED FLURRIES
AND THE STRONG NORTHWEST WINDS WILL CONTINUE TO CAUSE BLOWING AND
DRIFTING OF SNOW THROUGH THE AFTERNOON HOURS. NO ADDITIONAL SNOW
ACCUMULATION IS EXPECTED...SO THE WINTER WEATHER ADVISORY HAS BEEN
ALLOWED TO EXPIRE AT NOON CST.

$$

IAZ004>007-015-016-023-024-310200-
/O.CON.KDMX.WC.Y.0004.130131T0600Z-130201T1800Z/
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-POCAHONTAS-
HUMBOLDT-
INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY...
NORTHWOOD...EMMETSBURG...GARNER...POCAHONTAS...HUMBOLDT
1157 AM CST WED JAN 30 2013

...WIND CHILL ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO
NOON CST FRIDAY...

* TIMING OR SHORT TERM TRENDS...FROM MIDNIGHT TONIGHT THROUGH 
  NOON FRIDAY 

* WINDS...NORTHWEST WINDS OF 15 TO 25 MPH WILL PERSIST TONIGHT 
  THROUGH THURSDAY...AND DIMINISH THURSDAY NIGHT. 

* WIND CHILL VALUES...WIND CHILL INDEX READINGS WILL FALL TO 20 
  TO 25 BELOW ZERO TONIGHT...AND 20 TO 30 BELOW THURSDAY NIGHT. 

* IMPACTS...WITH THESE LOW WIND CHILL INDEX READINGS...EXPOSED 
  SKIN WILL FREEZE QUICKLY. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND WIND WILL
COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST
BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.  IF
YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES.

&&

$$
142 
WWUS43 KDMX 302147
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
347 PM CST WED JAN 30 2013

...VERY COLD TEMPERATURES TO PLUNGE INTO IOWA TONIGHT AND THURSDAY...

.AN ARCTIC COLD FRONT WILL SWEEP SOUTH THROUGH IOWA TONIGHT AND
THURSDAY AND BRING MUCH COLDER TEMPERATURES AND GUSTY NORTHWEST
WINDS. THE COMBINATION OF THE TEMPERATURES AND WINDS WILL PRODUCE
VERY DANGEROUS WIND CHILLS TONIGHT THROUGH FRIDAY OVER THE CENTRAL
AND NORTH CENTRAL IOWA.

IAZ033>039-044>050-057>062-310600-
/O.EXB.KDMX.WC.Y.0004.130131T1200Z-130201T1800Z/
SAC-CALHOUN-WEBSTER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-CRAWFORD-
CARROLL-GREENE-BOONE-STORY-MARSHALL-TAMA-AUDUBON-GUTHRIE-DALLAS-
POLK-JASPER-POWESHIEK-
INCLUDING THE CITIES OF...SAC CITY...ROCKWELL CITY...FORT DODGE...
WEBSTER CITY...ELDORA...GRUNDY CENTER...WATERLOO...DENISON...
CARROLL...JEFFERSON...BOONE...AMES...MARSHALLTOWN...TOLEDO...
AUDUBON...GUTHRIE CENTER...ADEL...DES MOINES...NEWTON...GRINNELL
347 PM CST WED JAN 30 2013

...WIND CHILL ADVISORY IN EFFECT FROM 6 AM THURSDAY TO NOON CST
FRIDAY...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WIND
CHILL ADVISORY...WHICH IS IN EFFECT FROM 6 AM THURSDAY TO NOON
CST FRIDAY. 

* TIMING OR SHORT TERM TRENDS...FROM THURSDAY MORNING AFTER 6 AM
  THROUGH NOON FRIDAY

* WINDS...NORTHWEST WINDS OF 15 TO 25 MPH WILL PERSIST TONIGHT 
  THROUGH THURSDAY...AND DIMINISH THURSDAY NIGHT TO 5 TO 15 MPH. 

* WIND CHILL VALUES...WIND CHILL READINGS WILL FALL TO 20 TO 25
  BELOW ZERO TONIGHT...AND REMAIN 20 TO 30 BELOW THROUGH FRIDAY 
  MORNING.

* IMPACTS...WITH THESE LOW WIND CHILL INDEX READINGS...EXPOSED 
  SKIN WILL FREEZE QUICKLY. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND WIND WILL
COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST
BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.  IF
YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES.

&&

$$

IAZ004>007-015>017-023>028-310600-
/O.CON.KDMX.WC.Y.0004.130131T0600Z-130201T1800Z/
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-
INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY...
NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...POCAHONTAS...
HUMBOLDT...CLARION...HAMPTON...ALLISON...WAVERLY
347 PM CST WED JAN 30 2013

...WIND CHILL ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO
NOON CST FRIDAY...

* SHORT TERM TRENDS...THE LIGHT TO MODERATE SNOW HAS ENDED SNOW 
  BUT SCATTERED FLURRIES AND THE STRONG NORTHWEST WINDS WILL 
  CONTINUE TO CAUSE BLOWING AND DRIFTING OF SNOW THROUGH THE 
  AFTERNOON HOURS. NO ADDITIONAL SNOW ACCUMULATION IS EXPECTED...
   SO THE WINTER WEATHER ADVISORY HAS BEEN ALLOWED TO EXPIRE AT 
  NOON CST. 

* TIMING FOR WIND CHILL ADVISORY...FROM MIDNIGHT TONIGHT THROUGH 
  NOON FRIDAY 

* WINDS...NORTHWEST WINDS OF 15 TO 25 MPH WILL PERSIST TONIGHT 
  THROUGH THURSDAY...AND DIMINISH THURSDAY NIGHT. 

* WIND CHILL VALUES...WIND CHILL INDEX READINGS WILL FALL TO 20 TO
  25 BELOW ZERO TONIGHT...AND 20 TO 35 BELOW THURSDAY NIGHT.

* IMPACTS...WITH THESE LOW WIND CHILL INDEX READINGS...EXPOSED 
  SKIN WILL FREEZE QUICKLY.  

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND WIND WILL
COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST
BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.  IF
YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES.

&&

$$
340 
WWUS43 KDMX 310325
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
925 PM CST WED JAN 30 2013

...VERY COLD TEMPERATURES TO PLUNGE INTO IOWA OVERNIGHT AND
THURSDAY...

.AN ARCTIC COLD FRONT WILL SWEEP SOUTH THROUGH IOWA EARLY THURSDAY
AND BRING MUCH COLDER TEMPERATURES AND GUSTY NORTHWEST WINDS. THE
COMBINATION OF THE TEMPERATURES AND WINDS WILL PRODUCE VERY
DANGEROUS WIND CHILLS THURSDAY AND FRIDAY OVER THE CENTRAL AND
NORTH CENTRAL IOWA.

IAZ004>007-015>017-023>028-311100-
/O.EXT.KDMX.WC.Y.0004.130131T0900Z-130201T1800Z/
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-
INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY...
NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...POCAHONTAS...
HUMBOLDT...CLARION...HAMPTON...ALLISON...WAVERLY
925 PM CST WED JAN 30 2013

...WIND CHILL ADVISORY NOW IN EFFECT FROM 3 AM THURSDAY TO NOON
CST FRIDAY...

* TIMING...WIND CHILLS WILL BEGIN DIPPING BELOW 20 BELOW ZERO FROM
  EARLY THURSDAY MORNING AND CONTINUING THROUGH NOON FRIDAY.

* WINDS...NORTHWEST WINDS OF 15 TO 25 MPH WILL PERSIST TONIGHT 
  THROUGH THURSDAY...AND DIMINISH THURSDAY NIGHT. 

* WIND CHILL VALUES...WIND CHILL INDEX READINGS WILL FALL TO 20 TO
  25 BELOW ZERO BY EARLY THURSDAY MORNING...AND 20 TO 35 BELOW
  THURSDAY NIGHT.

* IMPACTS...WITH THESE LOW WIND CHILL INDEX READINGS...EXPOSED 
  SKIN WILL FREEZE QUICKLY. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND WIND WILL
COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST
BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.  IF
YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES.

&&

$$

IAZ033>039-044>050-057>062-311100-
/O.CON.KDMX.WC.Y.0004.130131T1200Z-130201T1800Z/
SAC-CALHOUN-WEBSTER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-CRAWFORD-
CARROLL-GREENE-BOONE-STORY-MARSHALL-TAMA-AUDUBON-GUTHRIE-DALLAS-
POLK-JASPER-POWESHIEK-
INCLUDING THE CITIES OF...SAC CITY...ROCKWELL CITY...FORT DODGE...
WEBSTER CITY...ELDORA...GRUNDY CENTER...WATERLOO...DENISON...
CARROLL...JEFFERSON...BOONE...AMES...MARSHALLTOWN...TOLEDO...
AUDUBON...GUTHRIE CENTER...ADEL...DES MOINES...NEWTON...GRINNELL
925 PM CST WED JAN 30 2013

...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 6 AM THURSDAY TO
NOON CST FRIDAY...

* TIMING...WIND CHILLS WILL DIP BELOW 20 BELOW ZERO FROM DAYBREAK
  THURSDAY THROUGH NOON FRIDAY

* WINDS...NORTHWEST WINDS OF 15 TO 25 MPH WILL PERSIST OVERNIGHT THROUGH
  THURSDAY...AND DIMINISH THURSDAY NIGHT TO 5 TO 15 MPH.

* WIND CHILL VALUES...WIND CHILL READINGS WILL FALL TO 20 TO 25
  BELOW ZERO EARLY THURSDAY...AND REMAIN 20 TO 30 BELOW THROUGH
  FRIDAY MORNING.

* IMPACTS...WITH THESE LOW WIND CHILL INDEX READINGS...EXPOSED 
  SKIN WILL FREEZE QUICKLY. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND WIND WILL
COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST
BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.  IF
YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES.

&&

$$

SMALL
268 
WWUS43 KDMX 310954
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
354 AM CST THU JAN 31 2013

...DANGEROUS WIND CHILLS TODAY THROUGH FRIDAY...

.AN ARCTIC COLD FRONT FOLLOWED BY HIGH PRESSURE WILL SWEEP SOUTH 
THROUGH IOWA AND BRING BITTER COLD AND GUSTY NORTHWEST WINDS. THE
COMBINATION OF THE BITTER COLD AND WINDS WILL PRODUCE VERY DANGEROUS
WIND CHILLS TODAY THROUGH FRIDAY OVER THE CENTRAL AND NORTH CENTRAL
IOWA.

IAZ004>007-015>017-023>028-311800-
/O.CON.KDMX.WC.Y.0004.000000T0000Z-130201T1800Z/
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-
INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY...
NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...POCAHONTAS...
HUMBOLDT...CLARION...HAMPTON...ALLISON...WAVERLY
354 AM CST THU JAN 31 2013

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST FRIDAY...

* WINDS...NORTHWEST WINDS WILL INCREASE THIS MORNING TO 15 TO 30
  MPH AND WILL PERSIST THROUGH THIS EVENING...AND THEN DIMINISH
  BY FRIDAY MORNING.

* WIND CHILL VALUES...WIND CHILL INDEX READINGS WILL FALL TO 20 TO
  NEAR 30 BELOW THIS MORNING NORTH...AND 25 TO 35 BELOW TONIGHT. 

* IMPACTS...WITH THESE LOW WIND CHILL INDEX READINGS...EXPOSED
  SKIN WILL FREEZE QUICKLY WITH FROSTBITE LIKELY. PORTIONS OF THE
  ADVISORY ALONG AND NORTH OF US HIGHWAY 20 MAY BE UPGRADED TO A
  WIND CHILL WARNING LATER THIS AFTERNOON. CHECK LATER FORECASTS
  FOR A POSSIBLE UPGRADE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND WIND WILL COMBINE
TO GENERATE BITTER WIND CHILLS. THIS WILL RESULT IN FROST BITE AND
LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE
OUTDOORS...MAKE SURE YOU WEAR PROPER WINTER CLOTHING ALONG WITH A
HAT AND GLOVES.

&&

$$

IAZ033>039-044>050-057>062-311800-
/O.CON.KDMX.WC.Y.0004.130131T1200Z-130201T1800Z/
SAC-CALHOUN-WEBSTER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-CRAWFORD-
CARROLL-GREENE-BOONE-STORY-MARSHALL-TAMA-AUDUBON-GUTHRIE-DALLAS-
POLK-JASPER-POWESHIEK-
INCLUDING THE CITIES OF...SAC CITY...ROCKWELL CITY...FORT DODGE...
WEBSTER CITY...ELDORA...GRUNDY CENTER...WATERLOO...DENISON...
CARROLL...JEFFERSON...BOONE...AMES...MARSHALLTOWN...TOLEDO...
AUDUBON...GUTHRIE CENTER...ADEL...DES MOINES...NEWTON...GRINNELL
354 AM CST THU JAN 31 2013

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST FRIDAY...

* WINDS...NORTHWEST WINDS OF 15 TO 25 MPH WILL INCREASE THIS
  MORNING AND PERSIST THROUGH TONIGHT...THEN DIMINISH LATE TONIGHT
  TO 5 TO 15 MPH.

* WIND CHILL VALUES...WIND CHILL READINGS WILL FALL TO 20 TO 25
  BELOW ZERO THIS MORNING...AND REMAIN AT 20 TO 30 BELOW THROUGH
  FRIDAY MORNING.

* IMPACTS...WITH THESE LOW WIND CHILL INDEX READINGS...EXPOSED
  SKIN WILL FREEZE QUICKLY WITH FROSTBITE LIKELY. PORTIONS OF THE
  ADVISORY ALONG AND NORTH OF US HIGHWAY 20 MAY BE UPGRADED TO A
  WIND CHILL WARNING LATER THIS AFTERNOON. CHECK LATER FORECASTS
  FOR A POSSIBLE UPGRADE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND WIND WILL
COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST
BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.  IF
YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR WEAR PROPER WINTER
CLOTHING ALONG WITH A HAT AND GLOVES.

&&

$$

REV
174 
WWUS43 KDMX 311703
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
1103 AM CST THU JAN 31 2013

...DANGEROUS WIND CHILLS TODAY THROUGH FRIDAY...

.AN ARCTIC COLD FRONT FOLLOWED BY HIGH PRESSURE WILL SWEEP SOUTH
THROUGH IOWA AND BRING BITTER COLD AND GUSTY NORTHWEST WINDS. THE
COMBINATION OF THE BITTER COLD AND WINDS WILL PRODUCE BITTER COLD WIND
CHILLS TODAY THROUGH EARLY FRIDAY OVER PORTIONS OF CENTRAL AND
NORTHERN IOWA.

IAZ004>007-015>017-023>028-010000-
/O.CON.KDMX.WC.Y.0004.000000T0000Z-130201T1800Z/
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-
INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY...
NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...POCAHONTAS...
HUMBOLDT...CLARION...HAMPTON...ALLISON...WAVERLY
1103 AM CST THU JAN 31 2013

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST FRIDAY...

* WINDS...NORTHWEST WINDS AT 15 TO 25 MPH AND WILL PERSIST THROUGH
  THIS EVENING...AND THEN GRADUALLY DIMINISH THROUGH FRIDAY
  MORNING.

* WIND CHILL VALUES...WIND CHILL INDEX READINGS OF 20 TO 25 BELOW
  ARE EXPECTED INTO THIS AFTERNOON. THESE VALUES WILL FALL THIS
  EVENING AND RANGE FROM 25 TO 35 BELOW TONIGHT.

* IMPACTS...EXPOSED SKIN WILL FREEZE QUICKLY WITH WIND CHILL
  VALUES THIS LOW. PORTIONS OF THE ADVISORY ALONG AND NORTH OF US
  HIGHWAY 20 MAY BE UPGRADED TO A WIND CHILL WARNING LATER THIS
  AFTERNOON. CHECK LATER FORECASTS FOR A POSSIBLE UPGRADE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND WIND WILL
COMBINE TO GENERATE BITTER WIND CHILLS. THIS WILL RESULT IN FROST
BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU
MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR PROPER WINTER CLOTHING
ALONG WITH A HAT AND GLOVES.

&&

$$

IAZ033>039-044>050-057>062-010000-
/O.CON.KDMX.WC.Y.0004.000000T0000Z-130201T1800Z/
SAC-CALHOUN-WEBSTER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-CRAWFORD-
CARROLL-GREENE-BOONE-STORY-MARSHALL-TAMA-AUDUBON-GUTHRIE-DALLAS-
POLK-JASPER-POWESHIEK-
INCLUDING THE CITIES OF...SAC CITY...ROCKWELL CITY...FORT DODGE...
WEBSTER CITY...ELDORA...GRUNDY CENTER...WATERLOO...DENISON...
CARROLL...JEFFERSON...BOONE...AMES...MARSHALLTOWN...TOLEDO...
AUDUBON...GUTHRIE CENTER...ADEL...DES MOINES...NEWTON...GRINNELL
1103 AM CST THU JAN 31 2013

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST FRIDAY...

* WINDS...NORTHWEST WINDS OF 15 TO 25 MPH ARE EXPECTED UNTIL THIS
  EVENING...THEN DIMINISH LATE TONIGHT TO 5 TO 10 MPH.

* WIND CHILL VALUES...VALUES WILL HOVER NEAR 15 TO 20 BELOW THIS
  AFTERNOON BEFORE FALLING TO 20 TO 30 BELOW OVERNIGHT.

* IMPACTS...EXPOSED SKIN WILL FREEZE QUICKLY WITH FROSTBITE LIKELY
  WITH THESE LOW VALUES. PORTIONS OF THE ADVISORY ALONG AND NORTH OF US
  HIGHWAY 20 MAY BE UPGRADED TO A WIND CHILL WARNING LATER THIS
  AFTERNOON. CHECK LATER FORECASTS FOR A POSSIBLE UPGRADE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND WIND WILL
COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST
BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.  IF
YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR WEAR PROPER WINTER
CLOTHING ALONG WITH A HAT AND GLOVES.

&&

$$
959 
WWUS43 KDMX 312153
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
353 PM CST THU JAN 31 2013

...BITTER COLD WIND CHILLS THROUGH FRIDAY MORNING...

.ARCTIC HIGH PRESSURE WILL PUSH SOUTH THROUGH THE REGION TONIGHT
AND BRING BITTER AIR TO THE MIDWEST ALONG WITH MODERATE NORTHWEST
WINDS. THE COMBINATION OF THE VERY COLD AIR AND WINDS WILL PRODUCE
BITTER COLD WIND CHILLS INTO FRIDAY MORNING OVER PORTIONS OF
CENTRAL AND NORTHERN IOWA.

IAZ070>075-081>086-010600-
/O.EXB.KDMX.WC.Y.0004.130201T0600Z-130201T1800Z/
CASS-ADAIR-MADISON-WARREN-MARION-MAHASKA-ADAMS-UNION-CLARKE-LUCAS-
MONROE-WAPELLO-
INCLUDING THE CITIES OF...ATLANTIC...GREENFIELD...WINTERSET...
INDIANOLA...KNOXVILLE...OSKALOOSA...CORNING...CRESTON...OSCEOLA...
CHARITON...ALBIA...OTTUMWA
353 PM CST THU JAN 31 2013

...WIND CHILL ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO NOON
CST FRIDAY...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WIND
CHILL ADVISORY...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO NOON
CST FRIDAY. 

* WINDS...NORTHWEST WINDS AT 10 TO 15 MPH ARE EXPECTED DURING THE
  EARLY MORNING HOURS DECREASING TO 5 TO 10 MPH BY DAYBREAK
  FRIDAY. 

* WIND CHILL VALUES...WIND CHILL VALUES OF 20 TO 25 BELOW ARE
  EXPECTED THROUGH FRIDAY MORNING.

* IMPACTS...EXPOSED SKIN WILL FREEZE QUICKLY WITH WIND CHILL
  VALUES THIS LOW.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND WIND WILL
COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST
BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.  IF
YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR WEAR PROPER WINTER
CLOTHING ALONG WITH A HAT AND GLOVES.

&&

$$

IAZ004>007-015>017-023>028-033>039-044>050-057>062-010600-
/O.CON.KDMX.WC.Y.0004.000000T0000Z-130201T1800Z/
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-SAC-CALHOUN-
WEBSTER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-CRAWFORD-CARROLL-GREENE-
BOONE-STORY-MARSHALL-TAMA-AUDUBON-GUTHRIE-DALLAS-POLK-JASPER-
POWESHIEK-
INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY...
NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...POCAHONTAS...
HUMBOLDT...CLARION...HAMPTON...ALLISON...WAVERLY...SAC CITY...
ROCKWELL CITY...FORT DODGE...WEBSTER CITY...ELDORA...
GRUNDY CENTER...WATERLOO...DENISON...CARROLL...JEFFERSON...
BOONE...AMES...MARSHALLTOWN...TOLEDO...AUDUBON...GUTHRIE CENTER...
ADEL...DES MOINES...NEWTON...GRINNELL
353 PM CST THU JAN 31 2013

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST FRIDAY...

* WINDS...NORTHWEST WINDS OF 15 TO 25 MPH ARE EXPECTED THROUGH
  THIS EVENING...THEN DIMINISH SLOWLY OVERNIGHT TO 5 TO 10 MPH BY
  DAYBREAK ON FRIDAY.

* WIND CHILL VALUES...VALUES WILL FALL THROUGH THE EVENING WITH
  WIDESPREAD VALUES OF 20 TO 30 BELOW ACROSS THE ENTIRE ADVISORY
  AREA BY MIDNIGHT. SOME VALUES IN NORTHERN IOWA WILL HOVER FROM
  30 TO 35 BELOW NEAR DAYBREAK ON FRIDAY. 

* IMPACTS...EXPOSED SKIN WILL FREEZE QUICKLY WITH THESE LOW WIND
  CHILL VALUES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND WIND WILL
COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST
BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.  IF
YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR WEAR PROPER WINTER
CLOTHING ALONG WITH A HAT AND GLOVES.

&&

$$

CC
389 
WWUS43 KDMX 010332
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
932 PM CST THU JAN 31 2013

...BITTER COLD WIND CHILLS THROUGH FRIDAY MORNING...

.ARCTIC HIGH PRESSURE WILL PUSH SOUTH DOWN THE MISSOURI RIVER
VALLEY OVERNIGHT BRINGING BITTER AIR TO THE MIDWEST ALONG WITH
MODERATE NORTHWEST WINDS. THE COMBINATION OF THE VERY COLD AIR AND
WINDS WILL PRODUCE BITTER COLD WIND CHILLS INTO FRIDAY MORNING
OVER PORTIONS OF CENTRAL AND NORTHERN IOWA.

IAZ004>007-015>017-023>028-033>039-044>050-057>062-011100-
/O.CON.KDMX.WC.Y.0004.000000T0000Z-130201T1800Z/
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-SAC-CALHOUN-
WEBSTER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-CRAWFORD-CARROLL-GREENE-
BOONE-STORY-MARSHALL-TAMA-AUDUBON-GUTHRIE-DALLAS-POLK-JASPER-
POWESHIEK-
INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY...
NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...POCAHONTAS...
HUMBOLDT...CLARION...HAMPTON...ALLISON...WAVERLY...SAC CITY...
ROCKWELL CITY...FORT DODGE...WEBSTER CITY...ELDORA...
GRUNDY CENTER...WATERLOO...DENISON...CARROLL...JEFFERSON...
BOONE...AMES...MARSHALLTOWN...TOLEDO...AUDUBON...GUTHRIE CENTER...
ADEL...DES MOINES...NEWTON...GRINNELL
932 PM CST THU JAN 31 2013

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST FRIDAY...

* WINDS...NORTHWEST WINDS OF 15 TO 25 MPH ARE EXPECTED THROUGH
  THIS EVENING...THEN DIMINISH SLOWLY OVERNIGHT TO 5 TO 10 MPH BY
  DAYBREAK FRIDAY.

* WIND CHILL VALUES...VALUES WILL FALL THROUGH THE EVENING WITH 
  WIDESPREAD VALUES OF 20 TO 30 BELOW ACROSS THE ENTIRE ADVISORY 
  AREA BY MIDNIGHT. SOME VALUES IN NORTHERN IOWA WILL HOVER FROM 
  30 TO 35 BELOW NEAR DAYBREAK ON FRIDAY. 

* IMPACTS...EXPOSED SKIN WILL FREEZE QUICKLY WITH THESE LOW WIND 
  CHILL VALUES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND WIND WILL
COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST
BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.  IF
YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR WEAR PROPER WINTER
CLOTHING ALONG WITH A HAT AND GLOVES.  PETS SHOULD BE BROUGHT INSIDE.

&&

$$

IAZ070>075-081>086-011100-
/O.CON.KDMX.WC.Y.0004.130201T0600Z-130201T1800Z/
CASS-ADAIR-MADISON-WARREN-MARION-MAHASKA-ADAMS-UNION-CLARKE-LUCAS-
MONROE-WAPELLO-
INCLUDING THE CITIES OF...ATLANTIC...GREENFIELD...WINTERSET...
INDIANOLA...KNOXVILLE...OSKALOOSA...CORNING...CRESTON...OSCEOLA...
CHARITON...ALBIA...OTTUMWA
932 PM CST THU JAN 31 2013

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST FRIDAY...

* WINDS...NORTHWEST WINDS AT 10 TO 15 MPH ARE EXPECTED DURING 
  THE EARLY MORNING HOURS DECREASING TO 5 TO 10 MPH BY DAYBREAK 
  FRIDAY. 

* WIND CHILL VALUES...WIND CHILL VALUES OF 20 TO 25 BELOW ARE 
  EXPECTED THROUGH FRIDAY MORNING. 

* IMPACTS...EXPOSED SKIN WILL FREEZE QUICKLY WITH WIND CHILL 
  VALUES THIS LOW. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND WIND WILL
COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST
BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.  IF
YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR WEAR PROPER WINTER
CLOTHING ALONG WITH A HAT AND GLOVES.  PETS SHOULD BE BROUGHT INSIDE.

&&

$$

SMALL
349 
WWUS43 KDMX 010944
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
344 AM CST FRI FEB 1 2013

...BITTER COLD WIND CHILLS THROUGH NOON TODAY...

.ARCTIC HIGH PRESSURE HAS MOVED SOUTH INTO THE MISSOURI RIVER VALLEY
BRINGING BITTER AIR TO IOWA ALONG WITH NORTHWEST WINDS. THE
COMBINATION OF THE VERY COLD AIR AND WIND WILL CONTINUE TO
PRODUCE BITTER COLD WIND CHILLS THIS MORNING OVER MOST OF CENTRAL
IOWA.

IAZ004>007-015>017-023>028-033>039-044>050-057>062-011745-
/O.CON.KDMX.WC.Y.0004.000000T0000Z-130201T1800Z/
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-SAC-CALHOUN-
WEBSTER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-CRAWFORD-CARROLL-GREENE-
BOONE-STORY-MARSHALL-TAMA-AUDUBON-GUTHRIE-DALLAS-POLK-JASPER-
POWESHIEK-
INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY...
NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...POCAHONTAS...
HUMBOLDT...CLARION...HAMPTON...ALLISON...WAVERLY...SAC CITY...
ROCKWELL CITY...FORT DODGE...WEBSTER CITY...ELDORA...
GRUNDY CENTER...WATERLOO...DENISON...CARROLL...JEFFERSON...
BOONE...AMES...MARSHALLTOWN...TOLEDO...AUDUBON...GUTHRIE CENTER...
ADEL...DES MOINES...NEWTON...GRINNELL
344 AM CST FRI FEB 1 2013

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY...

* WINDS...NORTHWEST WINDS OF 5 TO 15 MPH ARE EXPECTED THROUGH NOON TODAY.

* WIND CHILL VALUES...WIDESPREAD VALUES OF 20 TO NEAR 30 BELOW
  WILL CONTINUE ACROSS THE ENTIRE ADVISORY THIS MORNING WITH A
  SLOW IMPROVEMENT THROUGH LATE MORNING.


* IMPACTS...EXPOSED SKIN WILL QUICKLY FREEZE IN THESE CONDITIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND WIND WILL
COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST
BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU
MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR WEAR PROPER WINTER
CLOTHING ALONG WITH A HAT AND GLOVES. PETS SHOULD BE BROUGHT INSIDE.

&&

$$

IAZ070>075-081>086-011745-
/O.CON.KDMX.WC.Y.0004.000000T0000Z-130201T1800Z/
CASS-ADAIR-MADISON-WARREN-MARION-MAHASKA-ADAMS-UNION-CLARKE-LUCAS-
MONROE-WAPELLO-
INCLUDING THE CITIES OF...ATLANTIC...GREENFIELD...WINTERSET...
INDIANOLA...KNOXVILLE...OSKALOOSA...CORNING...CRESTON...OSCEOLA...
CHARITON...ALBIA...OTTUMWA
344 AM CST FRI FEB 1 2013

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY...

* WINDS...NORTHWEST WINDS AT 5 TO 15 MPH ARE EXPECTED THROUGH NOON TODAY.

* WIND CHILL VALUES...WIDESPREAD WIND CHILL VALUES OF 15 TO 20
  BELOW ARE EXPECTED THROUGH THIS MORNING.

* IMPACTS...EXPOSED SKIN WILL QUICKLY FREEZE IN THESE CONDITIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND WIND WILL
COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST
BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU
MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR WEAR PROPER WINTER
CLOTHING ALONG WITH A HAT AND GLOVES. PETS SHOULD BE BROUGHT INSIDE.

&&

$$

REV
941 
WWUS43 KDMX 011550
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
950 AM CST FRI FEB 1 2013

...BITTER COLD WIND CHILLS THROUGH NOON TODAY...

.ARCTIC HIGH PRESSURE HAS MOVED SOUTH INTO THE MISSOURI RIVER
VALLEY BRINGING BITTER AIR TO IOWA ALONG WITH NORTHWEST WINDS.
THE COMBINATION OF THE VERY COLD AIR AND WIND WILL CONTINUE TO
PRODUCE BITTER COLD WIND CHILLS THIS MORNING OVER MOST OF CENTRAL
IOWA.

IAZ004-015-023-033>035-044>047-057>062-070>075-081>086-011700-
/O.CAN.KDMX.WC.Y.0004.000000T0000Z-130201T1800Z/
EMMET-PALO ALTO-POCAHONTAS-SAC-CALHOUN-WEBSTER-CRAWFORD-CARROLL-
GREENE-BOONE-AUDUBON-GUTHRIE-DALLAS-POLK-JASPER-POWESHIEK-CASS-
ADAIR-MADISON-WARREN-MARION-MAHASKA-ADAMS-UNION-CLARKE-LUCAS-
MONROE-WAPELLO-
INCLUDING THE CITIES OF...ESTHERVILLE...EMMETSBURG...POCAHONTAS...
SAC CITY...ROCKWELL CITY...FORT DODGE...DENISON...CARROLL...
JEFFERSON...BOONE...AUDUBON...GUTHRIE CENTER...ADEL...
DES MOINES...NEWTON...GRINNELL...ATLANTIC...GREENFIELD...
WINTERSET...INDIANOLA...KNOXVILLE...OSKALOOSA...CORNING...
CRESTON...OSCEOLA...CHARITON...ALBIA...OTTUMWA
950 AM CST FRI FEB 1 2013

...WIND CHILL ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS CANCELED THE WIND
CHILL ADVISORY. 

ALTHOUGH WIND CHILL VALUES ARE INCREASING AND NO LONGER MEET WIND
CHILL ADVISORY CRITERIA...THEY WILL REMAIN COLD FOR THE REST OF
THIS MORNING. BUNDLE UP IF YOU GO OUTDOORS.

$$

IAZ005>007-016-017-024>028-036>039-048>050-011800-
/O.CON.KDMX.WC.Y.0004.000000T0000Z-130201T1800Z/
KOSSUTH-WINNEBAGO-WORTH-HANCOCK-CERRO GORDO-HUMBOLDT-WRIGHT-
FRANKLIN-BUTLER-BREMER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-STORY-
MARSHALL-TAMA-
INCLUDING THE CITIES OF...ALGONA...FOREST CITY...NORTHWOOD...
GARNER...MASON CITY...HUMBOLDT...CLARION...HAMPTON...ALLISON...
WAVERLY...WEBSTER CITY...ELDORA...GRUNDY CENTER...WATERLOO...
AMES...MARSHALLTOWN...TOLEDO
950 AM CST FRI FEB 1 2013

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY...

* WINDS...NORTHWEST WINDS OF 5 TO 15 MPH ARE EXPECTED THROUGH 
  NOON TODAY.

* WIND CHILL VALUES...VALUES AS LOW AS AROUND 20 BELOW ZERO WILL
  CONTINUE FOR THE REST OF THIS MORNING...WITH A SLOW IMPROVEMENT.

* IMPACTS...EXPOSED SKIN WILL QUICKLY FREEZE IN THESE CONDITIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND WIND WILL
COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST
BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU
MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR WEAR PROPER WINTER
CLOTHING ALONG WITH A HAT AND GLOVES. PETS SHOULD BE BROUGHT
INSIDE.

&&

$$

ZOGG
153 
WWUS43 KDMX 011740
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
1140 AM CST FRI FEB 1 2013

IAZ005>007-016-017-024>028-036>039-048>050-011845-
/O.CAN.KDMX.WC.Y.0004.000000T0000Z-130201T1800Z/
KOSSUTH-WINNEBAGO-WORTH-HANCOCK-CERRO GORDO-HUMBOLDT-WRIGHT-
FRANKLIN-BUTLER-BREMER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-STORY-
MARSHALL-TAMA-
INCLUDING THE CITIES OF...ALGONA...FOREST CITY...NORTHWOOD...
GARNER...MASON CITY...HUMBOLDT...CLARION...HAMPTON...ALLISON...
WAVERLY...WEBSTER CITY...ELDORA...GRUNDY CENTER...WATERLOO...
AMES...MARSHALLTOWN...TOLEDO
1140 AM CST FRI FEB 1 2013

...WIND CHILL ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS CANCELED THE WIND
CHILL ADVISORY. 

ALTHOUGH WIND CHILL VALUES HAVE INCREASED FROM THEIR EARLIER
VALUES THIS MORNING...THEY WILL REMAIN COLD FOR THE REST OF TODAY.
BE SURE TO BUNDLE UP IF YOU GO OUTDOORS.

$$

ZOGG

What forecasters said that day

The local office's own words before this wind chill advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Des Moines, IA wrote its last area forecast discussion before this wind chill advisory went out at Jan 30, 3:43 AM CST, 11 minutes earlier.

Area forecast discussion, Jan 30, 3:43 AM CST, 11 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE DES MOINES IA
343 AM CST WED JAN 30 2013

.SHORT TERM /TODAY/...
MAIN SURFACE LOW IS NOW TAKING SHAPE OVER MO AND WILL MOVE RAPIDLY
NORTHEAST.  DEFORMATION IS PRESENT ON RADAR AND SAT PIX THIS MORNING
AND WILL PROGRESS E-E ALONG WITH THE LOW.  DECENT UPPER
SUPPORT...THOUGH MOISTURE IS SOMEWHAT LACKING AS LARGE AREA OF
PRECIP TO THE EAST OF THE LOW HAS SCOURED OUT MUCH OF THE DEEPER
MOISTURE.  DECENT LIFT THROUGH THE DENDRITIC LAYER THIS
MORNING...THOUGH NOT OPTIMAL AS THE GREATEST LIFT IS NOT IN THE
SWEET SPOT.  DUE TO THE COMBINATION OF THESE EVENTS WILL GO A LITTLE
LOWER ON SNOW AMOUNTS FROM THE SYSTEM WITH MOST AREAS IN THE 4-5
INCH RANGE.  WILL LEAVE HEADLINES AS IS WITH WORST AREA IN THE
WINTER STORM WARNING AREAS.  WINDS OF 20 TO 35+ MPH COMBINED WITH A
4 INCH SNOWFALL MEETS LOCAL POLICY...THUS THE REASONING FOR LEAVING
HEADLINES ALONG IN SPITE OF LOWER TOTALS.  CAA WILL KEEP
TEMPERATURES ON THE SLOW FALL THROUGH THE DAY TODAY AND HAVE
NON-DIURNAL TEMPS IN THE ZONES.  SNOW WILL END FROM WEST TO EAST
WITH THE BULK OF THE SNOW OUT OF THE CWA BY 18Z.

.LONG TERM /TONIGHT THROUGH TUESDAY/...
COLD CANADIAN HIGH PRESSURE WILL BEGIN TO PUSH INTO THE UPPER
PLAINS BEHIND RETREATING LOW PRESSURE SYSTEM AS LARGE AMPLIFIED
RIDGE BUILDS OVER THE WEST COAST AND NORTHWEST FLOW DOMINATES.
HAVE LEFT LINGERING FLURRIES THROUGH THE OVERNIGHT WITH SOME WEAK
FORCING AHEAD OF HIGH. TEMPERATURES WILL BE SHARPLY COLDER FOR
TONIGHT THROUGH FRIDAY...AND HAVE TRENDED TEMPERATURES DOWN. WINDS
WILL REMAIN STRONG WITH PRESSURE GRADIENT AND STRONG CAA.
WINDCHILL VALUES WILL BE BITTERLY COLD...WITH COLDEST DAY/NIGHT
EXPECTED THURSDAY AND THURSDAY NIGHT AS CENTER OF HIGH PUSHES
ACROSS WESTERN IOWA. HAVE ISSUED WIND CHILL ADVISORY FOR NORTHERN
COUNTIES FOR TONIGHT THROUGH FRIDAY AFTERNOON. TEMPERATURES WILL
WARM LITTLE ON THURSDAY AND WINDCHILL VALUES WILL REMAIN NEAR 20
BELOW DURING THE DAY. EXPECT ADVISORY TO NEED TO BE EXPANDED
FURTHER SOUTH FOR THURSDAY NIGHT...AND MAY NEED TO UPGRADE TO A
WARNING ACROSS THE NORTH FOR THURSDAY NIGHT.

SOME VERY WEAK FORCING PUSHES ACROSS THE SOUTH EARLY
THURSDAY...AND SOUNDINGS INDICATE GOOD SATURATION. HAVE THEREFORE
ADDED MENTION OF LIGHT SNOW ACROSS THE SOUTHERN COUNTIES...BUT DO
NOT ANTICIPATE HIGH SNOWFALL TOTALS WITH WEAK FORCING.
ALSO...HAVE ADDED PRECIPITATION CHANCES FOR FRIDAY NIGHT AS A
SHORTWAVE PUSHES SOUTH ACROSS EASTERN IOWA. MAY NEED TO EXPAND
THIS AREA OF PRECIPITATION. ALSO...COULD SEE SOME QUICK
ACCUMULATING SNOWFALL WITH GOOD SATURATION THROUGH DENDRITIC ZONE
OF SOUNDINGS. OTHERWISE...FORECAST REMAINS DRY WITH OCCASIONAL
CHANCES FOR FLURRIES...ESPECIALLY EARL AS WEAK WAVES PUSH SE.
TEMPERATURES WILL GRADUALLY WARM FOR THE END OF THE PERIOD AS
RIDGE SHIFTS EASTWARD AND WEAK WAA RETURNS ACROSS THE AREA.

&&

.AVIATION...30/06Z
CONFIDENCE IN NEAR BLIZZARD CONDITIONS IS WANING SOMEWHAT.  DEEP
VERY STRONG FORCING UPSTREAM IS NOT RESULTING IN SNOW VISIBILITY AS
LOW AS EXPECTED.  THUS STILL HAVE IFR/LIFR CONDITIONS IN THE
FORECAST...BUT MORE INFLUENCED BY CIGS RATHER THAN LIFR VSBYS.
STILL EXPECT WIND GUSTS 25-30KTS HOWEVER.  ALTHOUGH LOWER VSBYS IN
SNOW SHOULD END BY MIDDAY...AT LEAST MVFR CIGS AND SOME FLURRIES
SHOULD LINGER THROUGH THE AFTERNOON WITH WINDS DIMINISHING BY THAT
TIME AS WELL.

&&

.DMX WATCHES/WARNINGS/ADVISORIES...
WINTER STORM WARNING UNTIL NOON CST TODAY FOR ADAIR-ADAMS-
APPANOOSE-BLACK HAWK-BOONE-BREMER-BUTLER-CLARKE-DALLAS-DAVIS-
DECATUR-GRUNDY-HARDIN-JASPER-LUCAS-MADISON-MAHASKA-MARION-
MARSHALL-MONROE-POLK-POWESHIEK-RINGGOLD-STORY-TAMA-TAYLOR-UNION-
WAPELLO-WARREN-WAYNE.

WINTER WEATHER ADVISORY UNTIL NOON CST TODAY FOR AUDUBON-CARROLL-
CASS-CERRO GORDO-FRANKLIN-GREENE-GUTHRIE-HAMILTON-WEBSTER-WRIGHT.

WIND CHILL ADVISORY FROM MIDNIGHT TONIGHT TO NOON CST FRIDAY FOR
BREMER-BUTLER-CERRO GORDO-EMMET-FRANKLIN-HANCOCK-HUMBOLDT-
KOSSUTH-PALO ALTO-POCAHONTAS-WINNEBAGO-WORTH-WRIGHT.

&&

SHORT TERM...MS JAN 13
LONG TERM...AWB
AVIATION...SMALL
Hazardous weather outlook, Jan 29, 1:44 PM CST, 14 hours 10 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE DES MOINES IA
144 PM CST TUE JAN 29 2013

IAZ027-028-037>039-047>050-058>062-071>075-081>086-092>097-301000-
BUTLER-BREMER-HARDIN-GRUNDY-BLACK HAWK-BOONE-STORY-MARSHALL-TAMA-
GUTHRIE-DALLAS-POLK-JASPER-POWESHIEK-ADAIR-MADISON-WARREN-MARION-
MAHASKA-ADAMS-UNION-CLARKE-LUCAS-MONROE-WAPELLO-TAYLOR-RINGGOLD-
DECATUR-WAYNE-APPANOOSE-DAVIS-
144 PM CST TUE JAN 29 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL IOWA.

.DAY ONE...THIS AFTERNOON AND TONIGHT

A WINTER STORM WARNING FOR HEAVY SNOW AND BLOWING SNOW IS IN
EFFECT FOR THE AREA. PLEASE REFER TO THE NATIONAL WEATHER
SERVICE WEBSITE AT WEATHER.GOV/DESMOINES FOR FURTHER DETAILS.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

A WINTER STORM WARNING FOR HEAVY SNOW AND BLOWING SNOW IS IN EFFECT
FOR THE AREA. PLEASE REFER TO THE NATIONAL WEATHER SERVICE WEBSITE
AT WEATHER.GOV/DESMOINES FOR FURTHER DETAILS.

OVERNIGHT LOW TEMPERATURES WEDNESDAY AND THURSDAY WILL DROP TO
NEAR ZERO OR BELOW ZERO. THE COLD TEMPERATURES COMBINED WITH WINDS
WILL LEAD TO POSSIBLE WIND CHILL VALUES OF AROUND 10 BELOW TO 20
BELOW OR COLDER THURSDAY MORNING AND AGAIN FRIDAY MORNING.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED...BUT SNOWFALL AND
VISIBILITY REPORTS ARE ALWAYS APPRECIATED. REPORTS CAN BE CALLED
IN...SUBMITTED ONLINE...OR EMAILED VIA DMX.SPOTTERREPORT@NOAA.GOV.

IAZ017-025-026-035-036-045-046-057-070-301000-
CERRO GORDO-WRIGHT-FRANKLIN-WEBSTER-HAMILTON-CARROLL-GREENE-AUDUBON-
CASS-
144 PM CST TUE JAN 29 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL IOWA.

.DAY ONE...THIS AFTERNOON AND TONIGHT

A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW IS IN EFFECT
FOR THE AREA. PLEASE REFER TO THE NATIONAL WEATHER SERVICE WEBSITE
AT WEATHER.GOV/DESMOINES FOR FURTHER DETAILS.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW IS IN EFFECT
FOR THE AREA. PLEASE REFER TO THE NATIONAL WEATHER SERVICE WEBSITE
AT WEATHER.GOV/DESMOINES FOR FURTHER DETAILS.

OVERNIGHT LOW TEMPERATURES WEDNESDAY AND THURSDAY WILL DROP TO
BELOW ZERO. THE COLD TEMPERATURES COMBINED WITH WINDS WILL LEAD TO
POSSIBLE WIND CHILL VALUES OF AROUND 15 BELOW TO 25 BELOW OR
COLDER THURSDAY MORNING AND AGAIN FRIDAY MORNING.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED...HOWEVER SNOWFALL AND
VISIBILITY REPORTS ARE ALWAYS APPRECIATED. REPORTS CAN BE CALLED
IN...SUBMITTED ONLINE...OR EMAILED VIA DMX.SPOTTERREPORT@NOAA.GOV.

IAZ004>007-015-016-023-024-033-034-044-301000-
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-POCAHONTAS-HUMBOLDT-
SAC-CALHOUN-CRAWFORD-
144 PM CST TUE JAN 29 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL IOWA.

.DAY ONE...THIS AFTERNOON AND TONIGHT

LIGHT SNOW IS POSSIBLE TONIGHT...WITH GUSTY WINDS. SOME PATCHY
BLOWING SNOW IS POSSIBLE LATE TONIGHT. ROADS MAY BECOME SLICK
WHERE WET CONDITIONS MAY FREEZE TONIGHT.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

PATCHY BLOWING SNOW IS POSSIBLE WEDNESDAY MORNING.

OVERNIGHT LOW TEMPERATURES WEDNESDAY AND THURSDAY WILL DROP TO
BELOW ZERO. THE COLD TEMPERATURES COMBINED WITH WINDS WILL LEAD TO
POSSIBLE WIND CHILL VALUES OF AROUND 15 BELOW TO 25 BELOW OR
COLDER THURSDAY MORNING AND AGAIN FRIDAY MORNING.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

Nearby

Wind Chill Advisories in Iowa, 2013Every wind chill advisory in 2013

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.