Alert archive / Iowa / Winter Storm Warnings in 2012

Winter Storm Warning 2, NWS Des Moines, IA

February 3, 201214 counties in Iowa

NWS Des Moines, IA issued this winter storm warning at Feb 3, 2012, 3:36 PM CST for 14 counties in Iowa. It took effect at Feb 4, 2012, 12:00 AM CST. It was in force for 23 hr. 60 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 3, 2012, 3:36 PM CST (21:36 UTC)
In effect from
Feb 4, 2012, 12:00 AM CST
Expired
Feb 4, 2012, 10:52 PM CST
In force
23 hr
Issued by
NWS Des Moines, IA

Counties Adair County, IA, Adams County, IA, Audubon County, IA, Boone County, IA, Carroll County, IA, Cass County, IA, Crawford County, IA, Dallas County, IA, Greene County, IA, Guthrie County, IA, Madison County, IA, Polk County, IA, Story County, IA, Union County, IA

The radar

The Des Moines radar (KDMX), 56 km from the middle of the area, began a volume at 21:38 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 4, 6:10 AM CSTSNOW 1.5Atlantic, IAESTIMATED 1.5-2.0 INCHES
Feb 4, 6:20 AM CSTSNOW 1.5Denison, IAESTIMATED 1.0-2.0 INCHES
Feb 4, 6:30 AM CSTSNOW 1Greenfield, IA
Feb 4, 7:15 AM CSTSNOW 2Lorimor, IA
Feb 4, 7:45 AM CSTSNOW 0.92 Se Adel, IA
Feb 4, 8:00 AM CSTSNOW 0.9Johnston, IALIGHT SLEET INITIALLY
Feb 4, 8:32 AM CSTSNOW 5.4Cumberland, IA
Feb 4, 8:41 AM CSTSNOW 5Atlantic, IA
Feb 4, 9:22 AM CSTSNOW 1Waukee, IAFROM WHO TV
Feb 4, 9:22 AM CSTSNOW 63 E Atlantic Airport, IAWET SNOW WITH LOW VISIBILITY. NNE WIND 19 MPH.
Feb 4, 9:30 AM CSTSNOW 13 Sw Clive, IAWEST DES MOINES NEAR JORDAN CREEK TOWN CENTER
Feb 4, 10:00 AM CSTSNOW 2.52 Ese Waukee, IA
Feb 4, 10:02 AM CSTSNOW 2.62 Se Adel, IA
Feb 4, 10:06 AM CSTSNOW 1.14 Ese Boone Airport, IA
Feb 4, 10:15 AM CSTSNOW 0.7Ames, IAMEASURED IN DOWNTOWN AMES. ONLY A DUSTING ELSEWHERE.
Feb 4, 10:20 AM CSTSNOW 1Clive, IAHEAVY SNOW FALLING WITH LOW VISIBILITIES
Feb 4, 10:25 AM CSTSNOW 3.43 Ne Yale, IAVISIBILITY FROM A HALF TO QUARTER MILE
Feb 4, 10:39 AM CSTSNOW 7Atlantic, IA7 INCHES OF WET SNOW. VISIBILITY 1/4 MILE WITH NNE WINDS AT 22 MPH.
Feb 4, 10:40 AM CSTSNOW 3Adel, IAMODERATE SNOW STILL OCCURING.
Feb 4, 10:40 AM CSTSNOW 7.5Wsw Greenfield, IA
Feb 4, 10:44 AM CSTSNOW 4Winterset, IAHEAVY SNOW STILL FALLING.
Feb 4, 11:02 AM CSTSNOW 2.5Ssw Jefferson, IA
Feb 4, 11:15 AM CSTSNOW 2.93 Sw Clive, IA
Feb 4, 11:19 AM CSTSNOW 21 Wnw Des Moines, IAWHO TV STUDIOS
Feb 4, 11:20 AM CSTSNOW 67 Se Anita, IA
Feb 4, 11:25 AM CSTSNOW 43 Ne Yale, IAVISIBILITIES BELOW ONE QUARTER MILE
Feb 4, 11:32 AM CSTSNOW 2.5Johnston, IA
Feb 4, 11:35 AM CSTSNOW 3.51 N Grimes, IA
Feb 4, 11:36 AM CSTSNOW 2.4Clive, IA
Feb 4, 11:40 AM CSTSNOW 2.51 N Ankeny, IAFROM ABC5 WOI TV
Feb 4, 11:40 AM CSTSNOW 7.5Wsw Greenfield, IA
Feb 4, 11:51 AM CSTSNOW 51 Sw Corning, IA
Feb 4, 11:51 AM CSTSNOW 76 Ese Gray, IAESTIMATED 7 INCHES WITH SOME MINOR DRIFTING.
Feb 4, 12:00 PM CSTSNOW 43 Sw Clive, IA
Feb 4, 12:10 PM CSTSNOW 51 S De Soto, IA
Feb 4, 12:10 PM CSTSNOW 6Sse Guthrie Center, IA
Feb 4, 12:11 PM CSTSNOW 31 Ese Altoona, IA
Feb 4, 12:15 PM CSTSNOW 5Waukee, IA
Feb 4, 12:20 PM CSTSNOW 0.81 S Carroll, IA
Feb 4, 12:20 PM CSTSNOW 3.51 Wsw Jefferson, IA
Feb 4, 12:21 PM CSTSNOW 75 N Earlham, IA
Feb 4, 12:34 PM CSTSNOW 5.43 Ese Adel, IA
Feb 4, 12:35 PM CSTSNOW 3.5Johnston, IA
Feb 4, 12:45 PM CSTSNOW 4.5Ankeny, IA
Feb 4, 1:20 PM CSTSNOW 5Adel, IA
Feb 4, 1:42 PM CSTSNOW 11.5Cumberland, IA
Feb 4, 1:46 PM CSTSNOW 6.23 Ne Yale, IA
Feb 4, 2:00 PM CSTSNOW 63 S Manning, IA
Feb 4, 2:16 PM CSTSNOW 6.13 Sw Clive, IAWEST DES MOINES NEAR JORDAN CREEK TOWN CENTER
Feb 4, 2:31 PM CSTSNOW 41 Wnw Des Moines, IA
Feb 4, 2:31 PM CSTSNOW 4.52 Ne Urbandale, IA
Feb 4, 2:36 PM CSTSNOW 7Waukee, IACLIVE PUBLIC WORKS REPORTS 7 INCHES OF SNOW FOR STORM TOTAL NEAR WAUKEE IN EASTERN DALLAS COUNTY.
Feb 4, 2:37 PM CSTSNOW 65 Nnw Ankeny Airport, IA
Feb 4, 2:46 PM CSTSNOW 5.81 N Grimes, IA7 PLUS INCH DRIFTS
Feb 4, 3:20 PM CSTSNOW 7Adel, IA
Feb 4, 3:31 PM CSTSNOW 7Adel, IAESTIMATED 7 INCHES OF SNOWFALL IN ADEL SO FAR.
Feb 4, 4:26 PM CSTSNOW 4.21 Ese Altoona, IATRAINED SPOTTER REPORTS 4.2 INCHES OF SNOWFALL ON THE EAST SIDE OF ALTOONA.
Feb 4, 4:30 PM CSTSNOW 6.43 Ne Yale, IAOFF DUTY NWS EMPLOYEE
Feb 4, 4:37 PM CSTSNOW 8Creston, IAUNION COUNTY EMERGENCY MANAGEMENT REPORTS 8 INCHES OF SNOWFALL IN CRESTON.
Feb 4, 4:54 PM CSTSNOW 6.73 Sw Clive, IAOFF DUTY NWS EMPLOYEE MEASURED 6.7 INCHES OF SNOW FOR STORM TOTAL

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, 9.6 hours before the alert went out and 169 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 2012-02-03Temperature 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 2012-02-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 100 square meters per square second.1939587897Sfc1 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
2157 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
100 m²/s²
0-3 km storm-relative helicity
104 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.

275 
WWUS43 KDMX 032136
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
336 PM CST FRI FEB 3 2012

...HEAVY SNOW EXPECTED ACROSS PORTIONS OF CENTRAL TO SOUTHWEST
IOWA LATE TONIGHT THROUGH SATURDAY...

.A STRONG STORM SYSTEM IS FORECAST TO CONTINUE TO TRACK ACROSS
THE CENTRAL PLAINS AND INTO THE MIDWEST TONIGHT. RAIN WILL MIX
WITH AND EVENTUALLY CHANGE OVER TO SNOW OVERNIGHT TONIGHT AND INTO
THE EARLY MORNING HOURS SATURDAY. A MODERATE TO LOCALLY HEAVY BAND
OF SNOW WILL SET UP FROM CENTRAL TO WEST CENTRAL IOWA BY SATURDAY
MORNING. IN ADDITION TO THE FALLING SNOW...GUSTY NORTHEAST WINDS
MAY LEAD TO VISIBILITY RESTRICTIONS DUE TO BLOWING AND DRIFTING OF
SNOW.

IAZ044>048-057>060-070>072-081-082-040545-
/O.UPG.KDMX.WS.A.0001.120204T0600Z-120205T1200Z/
/O.NEW.KDMX.WS.W.0002.120204T0600Z-120205T1200Z/
CRAWFORD-CARROLL-GREENE-BOONE-STORY-AUDUBON-GUTHRIE-DALLAS-POLK-
CASS-ADAIR-MADISON-ADAMS-UNION-
INCLUDING THE CITIES OF...DENISON...CARROLL...JEFFERSON...BOONE...
AMES...AUDUBON...GUTHRIE CENTER...ADEL...DES MOINES...ATLANTIC...
GREENFIELD...WINTERSET...CORNING...CRESTON
336 PM CST FRI FEB 3 2012

...WINTER STORM WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 6 AM
CST SUNDAY...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WINTER
STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM MIDNIGHT
TONIGHT TO 6 AM CST SUNDAY. THE WINTER STORM WATCH IS NO LONGER IN
EFFECT.

* TIMING...A GRADUAL TRANSITION FROM RAIN TO SNOW WILL BEGIN LATE
  THIS EVENING INTO THE OVERNIGHT HOURS. MUCH OF THE WARNED AREA
  WILL SEE ALL SNOW BY EARLY SATURDAY MORNING. A NARROW BAND OF
  HEAVY SNOW IS EXPECTED TO SET UP ACROSS CENTRAL IOWA DURING THE
  DAY ON SATURDAY. SNOW WILL BEGIN TO DIMINISH SATURDAY EVENING.

* STORM TOTAL SNOW...SNOWFALL AMOUNTS FROM 4 TO 8 INCHES WITH 
  LOCALLY HEAVIER AMOUNTS ARE POSSIBLE. 

* WINDS/VISIBILITY...NORTHEAST WINDS OF 20 TO 30 MPH WITH A FEW
  HIGHER GUSTS WILL CAUSE VISIBILITY RESTRICTIONS AND DRIFTING OF
  SNOW ON SATURDAY AND SATURDAY NIGHT.

* IMPACTS...HEAVY SNOW WILL MAKE TRAVEL DANGEROUS ACROSS THE
  WARNED AREA. THE FALLING SNOW...COMBINED WITH STRONG
  WINDS...WILL LEAD TO REDUCED VISIBILITIES. ROADS WILL LIKELY
  BECOME SLIPPERY AS THE WET SNOW FREEZES TO THE PAVEMENT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING.  SIGNIFICANT AMOUNTS OF 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.

&&

$$

IAZ092-040545-
/O.UPG.KDMX.WS.A.0001.120204T0600Z-120205T1200Z/
/O.NEW.KDMX.WW.Y.0004.120204T0600Z-120205T1200Z/
TAYLOR-
INCLUDING THE CITY OF...BEDFORD
336 PM CST FRI FEB 3 2012

...WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO
6 AM CST SUNDAY...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM MIDNIGHT
TONIGHT TO 6 AM CST SUNDAY. THE WINTER STORM WATCH IS NO LONGER IN
EFFECT.

* TIMING...A GRADUAL TRANSITION FROM RAIN TO SNOW WILL BEGIN
  DURING THE MORNING ON SATURDAY. SNOW WILL CONTINUE DURING THE
  DAY BEFORE DIMINISHING ON SATURDAY EVENING.

* STORM TOTAL SNOW...SNOWFALL AMOUNTS FROM 1 TO 4 INCHES WITH
  LOCALLY HEAVIER AMOUNTS POSSIBLE.

* WINDS/VISIBILITY...NORTHEAST WINDS AT 20 TO 30 MPH WITH A FEW
  HIGHER GUSTS MAY CAUSE TEMPORARY VISIBILITY RESTRICTIONS AND
  MINOR DRIFTING OF SNOW ON SATURDAY AND SATURDAY NIGHT.

* MAIN IMPACT...PERIODS OF SNOW WILL MAKE AREA ROADS SLICK AND
  LEAD TO REDUCED VISIBILITIES AT TIMES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL
CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITY...AND USE CAUTION WHILE DRIVING.

&&

$$

IAZ049-061-073-074-083-084-093-094-040545-
/O.NEW.KDMX.WW.Y.0004.120204T0600Z-120205T1200Z/
MARSHALL-JASPER-WARREN-MARION-CLARKE-LUCAS-RINGGOLD-DECATUR-
INCLUDING THE CITIES OF...MARSHALLTOWN...NEWTON...INDIANOLA...
KNOXVILLE...OSCEOLA...CHARITON...MOUNT AYR...LEON
336 PM CST FRI FEB 3 2012

...WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO
6 AM CST SUNDAY...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT
FROM MIDNIGHT TONIGHT TO 6 AM CST SUNDAY.

* TIMING...A GRADUAL TRANSITION FROM RAIN TO SNOW WILL BEGIN
  DURING THE MORNING ON SATURDAY. SNOW WILL CONTINUE DURING THE
  DAY BEFORE DIMINISHING ON SATURDAY EVENING. 

* STORM TOTAL SNOW...SNOWFALL AMOUNTS FROM 1 TO 4 INCHES WITH
  LOCALLY HEAVIER AMOUNTS POSSIBLE.

* WINDS/VISIBILITY...NORTHEAST WINDS AT 20 TO 30 MPH WITH A FEW
  HIGHER GUSTS MAY CAUSE TEMPORARY VISIBILITY RESTRICTIONS AND
  MINOR DRIFTING OF SNOW ON SATURDAY AND SATURDAY NIGHT.

* MAIN IMPACT...PERIODS OF SNOW WILL MAKE AREA ROADS SLICK AND
  LEAD TO REDUCED VISIBILITIES AT TIMES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL
CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITY...AND USE CAUTION WHILE DRIVING.

&&

$$
9 follow-up statements
638 
WWUS43 KDMX 040305
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
905 PM CST FRI FEB 3 2012

...HEAVY SNOW EXPECTED ACROSS PORTIONS OF CENTRAL TO SOUTHWEST
IOWA BEGINNING OVERNIGHT AND CONTINUING THROUGH SATURDAY...

.A STRONG UPPER LEVEL STORM SYSTEM WILL CONTINUE TO TRACK INTO
THE MIDWEST TONIGHT. RAIN WILL MIX WITH AND EVENTUALLY CHANGE OVER
TO SNOW OVERNIGHT AND INTO EARLY SATURDAY MORNING. A MODERATE TO
LOCALLY HEAVY BAND OF SNOW WILL SET UP FROM CENTRAL TO WEST CENTRAL
IOWA BY SATURDAY MORNING. IN ADDITION TO THE FALLING SNOW...GUSTY
NORTHEAST WINDS MAY LEAD TO VISIBILITY RESTRICTIONS DUE TO BLOWING
AND DRIFTING OF SNOW.

IAZ044>048-057>060-070>072-081-082-041115-
/O.CON.KDMX.WS.W.0002.120204T0600Z-120205T1200Z/
CRAWFORD-CARROLL-GREENE-BOONE-STORY-AUDUBON-GUTHRIE-DALLAS-POLK-
CASS-ADAIR-MADISON-ADAMS-UNION-
INCLUDING THE CITIES OF...DENISON...CARROLL...JEFFERSON...BOONE...
AMES...AUDUBON...GUTHRIE CENTER...ADEL...DES MOINES...ATLANTIC...
GREENFIELD...WINTERSET...CORNING...CRESTON
905 PM CST FRI FEB 3 2012

...WINTER STORM WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT
TO 6 AM CST SUNDAY...

* TIMING...A GRADUAL TRANSITION FROM RAIN TO SNOW WILL BEGIN LATE
  THIS DURING THE OVERNIGHT HOURS. MUCH OF THE WARNED AREA WILL
  SEE ALL SNOW BY SATURDAY MORNING. A NARROW BAND OF HEAVY SNOW
  IS EXPECTED TO SET UP ACROSS CENTRAL IOWA DURING THE DAY ON
  SATURDAY. SNOW WILL BEGIN TO DIMINISH SATURDAY EVENING.

* STORM TOTAL SNOW...SNOWFALL AMOUNTS FROM 4 TO 8 INCHES WITH
  LOCALLY HEAVIER AMOUNTS ARE POSSIBLE. HEAVIEST TOTALS ARE
  EXPECTED OVER THE WESTERN PORTION OF THE WARNED AREA. 

* WINDS/VISIBILITY...NORTHEAST WINDS OF 20 TO 30 MPH WITH A FEW 
  HIGHER GUSTS WILL CAUSE VISIBILITY RESTRICTIONS AND DRIFTING 
  OF SNOW ON SATURDAY AND SATURDAY NIGHT. 

* IMPACTS...HEAVY SNOW WILL MAKE TRAVEL DANGEROUS ACROSS THE 
  WARNED AREA. THE FALLING SNOW...COMBINED WITH STRONG WINDS... 
  WILL LEAD TO REDUCED VISIBILITIES. ROADS WILL LIKELY BECOME 
  SLIPPERY AS THE WET SNOW FREEZES TO THE PAVEMENT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING.  SIGNIFICANT AMOUNTS OF
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 YOU BECOME STRANDED.

&&

$$

IAZ049-061-073-074-083-084-092>094-041115-
/O.CON.KDMX.WW.Y.0004.120204T0600Z-120205T1200Z/
MARSHALL-JASPER-WARREN-MARION-CLARKE-LUCAS-TAYLOR-RINGGOLD-
DECATUR-
INCLUDING THE CITIES OF...MARSHALLTOWN...NEWTON...INDIANOLA...
KNOXVILLE...OSCEOLA...CHARITON...BEDFORD...MOUNT AYR...LEON
905 PM CST FRI FEB 3 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM MIDNIGHT
TONIGHT TO 6 AM CST SUNDAY...

* TIMING...A GRADUAL TRANSITION FROM RAIN TO SNOW WILL BEGIN 
  DURING THE MORNING ON SATURDAY. SNOW WILL CONTINUE DURING THE 
  DAY BEFORE DIMINISHING ON SATURDAY EVENING. 

* STORM TOTAL SNOW...SNOWFALL AMOUNTS FROM 1 TO 4 INCHES WITH 
  LOCALLY HEAVIER AMOUNTS POSSIBLE. 

* WINDS/VISIBILITY...NORTHEAST WINDS AT 20 TO 30 MPH WITH A FEW 
  HIGHER GUSTS MAY CAUSE TEMPORARY VISIBILITY RESTRICTIONS AND 
  MINOR DRIFTING OF SNOW ON SATURDAY AND SATURDAY NIGHT. 

* MAIN IMPACT...PERIODS OF SNOW WILL MAKE AREA ROADS SLICK AND 
  LEAD TO REDUCED VISIBILITIES AT TIMES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED
ROADS AND LIMITED VISIBILITY...AND USE CAUTION WHILE DRIVING.

&&

$$

REV
442 
WWUS43 KDMX 041009
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
409 AM CST SAT FEB 4 2012

...HEAVY SNOW EXPECTED TO EXPAND ACROSS CENTRAL AND SOUTHWEST IOWA TODAY...

.A POWERFUL WINTER STORM WILL AFFECT THE AREA TODAY AND BRING
MODERATE TO HEAVY SNOWFALL TO THE REGION. A PERIOD OF SNOW WITH
THUNDER IS POSSIBLE THIS MORNING. IF THE THUNDER SNOW
OCCURS...SNOWFALL RATES WILL APPROACH 2 INCHES PER HOUR. THE
SNOWFALL WILL GRADUALLY DIMINISH FROM NORTH TO SOUTH THIS AFTERNOON.

IAZ044>048-057>060-070>072-081-082-041815-
/O.CON.KDMX.WS.W.0002.000000T0000Z-120205T1200Z/
CRAWFORD-CARROLL-GREENE-BOONE-STORY-AUDUBON-GUTHRIE-DALLAS-POLK-
CASS-ADAIR-MADISON-ADAMS-UNION-
INCLUDING THE CITIES OF...DENISON...CARROLL...JEFFERSON...BOONE...
AMES...AUDUBON...GUTHRIE CENTER...ADEL...DES MOINES...ATLANTIC...
GREENFIELD...WINTERSET...CORNING...CRESTON
409 AM CST SAT FEB 4 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM CST SUNDAY...

* SHORT TERM TRENDS...PRECIPITATION WILL CONTINUE TO EXPAND AND
  TRANSITION TO ALL SNOW EARLY THIS MORNING. EXPECT THE HEAVIEST
  SNOW TO OCCUR BETWEEN 6 AM AND NOON TODAY. 

* STORM TOTAL SNOW...SNOWFALL AMOUNTS FROM 4 TO 8 INCHES ARE
  FORECAST FOR THE AREA. LOCALLY HEAVIER AMOUNTS ARE POSSIBLE OVER
  THE WESTERN PORTION OF THE WARNED AREA. A SHARP CUTOFF IS
  EXPECTED ALONG A WEST TO EAST LINE FROM NORTHERN CRAWFORD
  THROUGH NORTHERN STORY COUNTIES.

* WINDS/VISIBILITY...NORTHEAST WINDS OF 20 TO 30 MPH WITH A FEW 
  HIGHER GUSTS WILL CAUSE VISIBILITY RESTRICTIONS AND DRIFTING 
  OF SNOW TODAY AND TONIGHT. 

* IMPACTS...HEAVY SNOW WILL MAKE TRAVEL DANGEROUS DURING THE
  PERIOD. THE FALLING SNOW...COMBINED WITH STRONG WINDS... WILL
  LEAD TO REDUCED VISIBILITIES. UNTREATED SURFACES WILL BECOME ICY
  AS THE SNOW FREEZES TO THE PAVEMENT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING.  SIGNIFICANT AMOUNTS OF
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 YOU BECOME STRANDED.

&&

$$

IAZ049-061-073-074-083-084-092>094-041815-
/O.CON.KDMX.WW.Y.0004.000000T0000Z-120205T1200Z/
MARSHALL-JASPER-WARREN-MARION-CLARKE-LUCAS-TAYLOR-RINGGOLD-
DECATUR-
INCLUDING THE CITIES OF...MARSHALLTOWN...NEWTON...INDIANOLA...
KNOXVILLE...OSCEOLA...CHARITON...BEDFORD...MOUNT AYR...LEON
409 AM CST SAT FEB 4 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST
SUNDAY...

* SHORT TERM TRENDS...A GRADUAL TRANSITION FROM RAIN TO SNOW WILL
  CONTINUE THIS MORNING. SNOW WILL CONTINUE DURING THE DAY BEFORE
  DIMINISHING ON SATURDAY EVENING.

* STORM TOTAL SNOW...SNOWFALL AMOUNTS FROM 1 TO 4 INCHES WITH 
  LOCALLY HEAVIER AMOUNTS POSSIBLE. 

* WINDS/VISIBILITY...NORTHEAST WINDS AT 20 TO 30 MPH WITH A FEW
  HIGHER GUSTS MAY CAUSE TEMPORARY VISIBILITY RESTRICTIONS AND
  MINOR DRIFTING OF SNOW TODAY AND TONIGHT.

* MAIN IMPACT...PERIODS OF SNOW WILL MAKE AREA ROADS SLICK AND 
  LEAD TO REDUCED VISIBILITIES AT TIMES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED
ROADS AND LIMITED VISIBILITY...AND USE CAUTION WHILE DRIVING.

&&

$$
039 
WWUS43 KDMX 041306
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
706 AM CST SAT FEB 4 2012

...MODERATE TO HEAVY SNOW EXPECTED TO EXPAND ACROSS CENTRAL AND
SOUTHWEST IOWA TODAY...

.A POWERFUL WINTER STORM WILL AFFECT THE AREA TODAY AND BRING
MODERATE TO HEAVY SNOWFALL TO THE REGION. A PERIOD OF THUNDER IS
POSSIBLE THIS MORNING OVER THE SOUTHWEST. IF THE THUNDER SNOW OCCURS...
SNOWFALL RATES WILL APPROACH 2 INCHES PER HOUR. THE SNOWFALL WILL
GRADUALLY DIMINISH FROM NORTH TO SOUTH THIS AFTERNOON.

IAZ044>048-057>060-070>072-081-082-042115-
/O.CON.KDMX.WS.W.0002.000000T0000Z-120205T1200Z/
CRAWFORD-CARROLL-GREENE-BOONE-STORY-AUDUBON-GUTHRIE-DALLAS-POLK-
CASS-ADAIR-MADISON-ADAMS-UNION-
INCLUDING THE CITIES OF...DENISON...CARROLL...JEFFERSON...BOONE...
AMES...AUDUBON...GUTHRIE CENTER...ADEL...DES MOINES...ATLANTIC...
GREENFIELD...WINTERSET...CORNING...CRESTON
706 AM CST SAT FEB 4 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM CST SUNDAY...

* SHORT TERM TRENDS...SNOW WILL CONTINUE TO EXPAND ACROSS THE AREA
  THIS MORNING. THE SNOW WILL BE HEAVY AT TIMES THIS THROUGH NOON
  TODAY WITH INTENSITIES DIMINISHING THROUGH THE AFTERNOON.

* STORM TOTAL SNOW...TOTAL SNOWFALL AMOUNTS FROM 4 TO 8 INCHES ARE
  FORECAST FOR THE AREA. THE HEAVIER AMOUNTS ARE EXPECTED OVER THE
  WESTERN PORTION OF THE WARNED AREA. LOCALLY HIGHER AMOUNTS MAY
  OCCUR. 

* WINDS/VISIBILITY...NORTHEAST WINDS OF 20 TO 30 MPH WITH A FEW 
  HIGHER GUSTS WILL CAUSE VISIBILITY RESTRICTIONS AND DRIFTING 
  OF SNOW TODAY AND TONIGHT. 

* IMPACTS...HEAVY SNOW WILL MAKE TRAVEL DANGEROUS DURING THE 
  PERIOD. THE FALLING SNOW...COMBINED WITH STRONG WINDS... WILL 
  LEAD TO REDUCED VISIBILITIES. UNTREATED SURFACES WILL BECOME 
  ICY AS THE SNOW FREEZES TO THE PAVEMENT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING.  SIGNIFICANT AMOUNTS OF
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 YOU BECOME STRANDED.

&&

$$

IAZ049-061-073-074-083-084-092>094-042115-
/O.CON.KDMX.WW.Y.0004.000000T0000Z-120205T1200Z/
MARSHALL-JASPER-WARREN-MARION-CLARKE-LUCAS-TAYLOR-RINGGOLD-
DECATUR-
INCLUDING THE CITIES OF...MARSHALLTOWN...NEWTON...INDIANOLA...
KNOXVILLE...OSCEOLA...CHARITON...BEDFORD...MOUNT AYR...LEON
706 AM CST SAT FEB 4 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST
SUNDAY...

* SHORT TERM TRENDS...SNOW WILL CONTINUE TO EXPAND ACROSS THE AREA
  THIS MORNING. SNOW WILL CONTINUE DURING THE DAY BEFORE
  DIMINISHING THIS EVENING.

* STORM TOTAL SNOW...SNOWFALL AMOUNTS FROM 1 TO 4 INCHES WITH 
  LOCALLY HEAVIER AMOUNTS POSSIBLE. 

* WINDS/VISIBILITY...NORTHEAST WINDS AT 20 TO 30 MPH WITH A FEW 
  HIGHER GUSTS MAY CAUSE TEMPORARY VISIBILITY RESTRICTIONS AND 
  MINOR DRIFTING OF SNOW TODAY AND TONIGHT. 

* MAIN IMPACT...PERIODS OF SNOW WILL MAKE AREA ROADS SLICK AND 
  LEAD TO REDUCED VISIBILITIES AT TIMES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED
ROADS AND LIMITED VISIBILITY...AND USE CAUTION WHILE DRIVING.

&&

$$
112 
WWUS43 KDMX 041557
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
957 AM CST SAT FEB 4 2012

...MODERATE TO HEAVY SNOW EXPECTED ACROSS CENTRAL AND SOUTHWEST
IOWA TODAY...

.A POWERFUL WINTER STORM WILL AFFECT THE AREA TODAY AND BRING
MODERATE TO HEAVY SNOWFALL TO THE REGION. THE SNOWFALL WILL
GRADUALLY DIMINISH FROM NORTH TO SOUTH THIS AFTERNOON.

IAZ044>048-057>060-070>072-081-082-050000-
/O.CON.KDMX.WS.W.0002.000000T0000Z-120205T1200Z/
CRAWFORD-CARROLL-GREENE-BOONE-STORY-AUDUBON-GUTHRIE-DALLAS-POLK-
CASS-ADAIR-MADISON-ADAMS-UNION-
INCLUDING THE CITIES OF...DENISON...CARROLL...JEFFERSON...BOONE...
AMES...AUDUBON...GUTHRIE CENTER...ADEL...DES MOINES...ATLANTIC...
GREENFIELD...WINTERSET...CORNING...CRESTON
957 AM CST SAT FEB 4 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM CST SUNDAY...

* SHORT TERM TRENDS...SNOW WILL CONTINUE ACROSS THE AREA TODAY.
  THE SNOW WILL BE HEAVY AT TIMES INTO EARLY AFTERNOON WITH RATES
  OF AN INCH PER HOUR POSSIBLE. INTENSITIES SHOULD DIMINISH BY
  LATE AFTERNOON HOWEVER BEFORE ENDING ALTOGETHER LATER IN THE EVENING.

* STORM TOTAL SNOW...TOTAL SNOWFALL AMOUNTS FROM 4 TO 8 INCHES 
  ARE FORECAST FOR THE AREA. THE HEAVIER AMOUNTS ARE EXPECTED 
  OVER THE WESTERN PORTION OF THE WARNED AREA. LOCALLY HIGHER 
  AMOUNTS MAY OCCUR. 

* WINDS/VISIBILITY...NORTHEAST WINDS OF 20 TO 30 MPH WITH A FEW
  HIGHER GUSTS WILL CAUSE VISIBILITY RESTRICTIONS AND DRIFTING OF
  SNOW TODAY AND TONIGHT. VISIBILITIES MAY DIP TO A QUARTER MILE
  DURING THE HEAVIER BURSTS OF SNOW.

* IMPACTS...HEAVY SNOW WILL MAKE TRAVEL DANGEROUS DURING THE
  PERIOD. THE FALLING SNOW...COMBINED WITH STRONG WINDS... WILL
  LEAD TO REDUCED VISIBILITIES. UNTREATED SURFACES WILL BECOME ICY
  AS THE SNOW FREEZES TO THE PAVEMENT. TRAVEL IS NOT RECOMMENDED
  WEST OF ADAIR ON INTERSTATE 80.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING.  SIGNIFICANT AMOUNTS OF
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 YOU BECOME STRANDED.

&&

$$

IAZ049-061-073-074-083-084-092>094-050000-
/O.CON.KDMX.WW.Y.0004.000000T0000Z-120205T1200Z/
MARSHALL-JASPER-WARREN-MARION-CLARKE-LUCAS-TAYLOR-RINGGOLD-
DECATUR-
INCLUDING THE CITIES OF...MARSHALLTOWN...NEWTON...INDIANOLA...
KNOXVILLE...OSCEOLA...CHARITON...BEDFORD...MOUNT AYR...LEON
957 AM CST SAT FEB 4 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST
SUNDAY...

* SHORT TERM TRENDS...SNOW WILL CONTINUE ACROSS THE AREA INTO THE
  EARLY AFTERNOON BEFORE DIMINISHING THIS EVENING.

* STORM TOTAL SNOW...SNOWFALL AMOUNTS FROM 1 TO 4 INCHES WITH 
  LOCALLY HEAVIER AMOUNTS POSSIBLE. 

* WINDS/VISIBILITY...NORTHEAST WINDS AT 20 TO 30 MPH WITH A FEW 
  HIGHER GUSTS MAY CAUSE TEMPORARY VISIBILITY RESTRICTIONS AND 
  MINOR DRIFTING OF SNOW TODAY AND TONIGHT. 

* MAIN IMPACT...PERIODS OF SNOW WILL MAKE AREA ROADS SLICK AND 
  LEAD TO REDUCED VISIBILITIES AT TIMES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED
ROADS AND LIMITED VISIBILITY...AND USE CAUTION WHILE DRIVING.

&&

$$

SMALL
443 
WWUS43 KDMX 041933
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
133 PM CST SAT FEB 4 2012

...MODERATE TO HEAVY SNOW CONTINUES ACROSS CENTRAL AND SOUTHERN
IOWA THIS AFTERNOON...

.A POWERFUL WINTER STORM WILL AFFECT THE AREA TODAY AND BRING
MODERATE TO HEAVY SNOWFALL TO THE REGION. THE SNOWFALL WILL
GRADUALLY DIMINISH FROM NORTH TO SOUTH LATER THIS AFTERNOON.

IAZ044>048-042045-
/O.CAN.KDMX.WS.W.0002.000000T0000Z-120205T1200Z/
CRAWFORD-CARROLL-GREENE-BOONE-STORY-
INCLUDING THE CITIES OF...DENISON...CARROLL...JEFFERSON...BOONE...
AMES
133 PM CST SAT FEB 4 2012

...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS CANCELLED THE
WINTER STORM WARNING. 

ALTHOUGH SOME LIGHT SNOW FELL EARLIER TODAY ALONG THE HIGHWAY 30 CORRIDOR...AND
ADDITIONAL LIGHT SNOW MAY FALL SOUTH OF THE HIGHWAY THIS
AFTERNOON...AMOUNTS WILL NOT REACH WARNING CRITERIA. ANY
ADDITIONAL ACCUMULATIONS IN THESE AREAS WOULD BE AN INCH OR LESS.

$$

IAZ049-042045-
/O.CAN.KDMX.WW.Y.0004.000000T0000Z-120205T1200Z/
MARSHALL-
INCLUDING THE CITY OF...MARSHALLTOWN
133 PM CST SAT FEB 4 2012

...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS CANCELLED THE
WINTER WEATHER ADVISORY. 

ALTHOUGH SOME FLURRIES OR LIGHT SNOW FELL EARLIER TODAY ALONG THE
HIGHWAY 30 CORRIDOR...AND ADDITIONAL LIGHT SNOW WILL FALL SOUTH
OF THE HIGHWAY THIS AFTERNOON...AMOUNTS WILL NOT REACH ADVISORY
CRITERIA. ANY ADDITIONAL ACCUMULATIONS WOULD BE AN INCH OR LESS.

$$

IAZ057>060-070>072-081-082-050000-
/O.EXT.KDMX.WS.W.0002.000000T0000Z-120205T0600Z/
AUDUBON-GUTHRIE-DALLAS-POLK-CASS-ADAIR-MADISON-ADAMS-UNION-
INCLUDING THE CITIES OF...AUDUBON...GUTHRIE CENTER...ADEL...
DES MOINES...ATLANTIC...GREENFIELD...WINTERSET...CORNING...
CRESTON
133 PM CST SAT FEB 4 2012

...WINTER STORM WARNING NOW IN EFFECT UNTIL MIDNIGHT CST
TONIGHT...

* SHORT TERM TRENDS...MODERATE TO HEAVY SNOW WILL CONTINUE ACROSS
  THE AREA THIS AFTERNOON. INTENSITIES SHOULD DIMINISH BY LATE
  AFTERNOON HOWEVER BEFORE ENDING ALTOGETHER LATER IN THE EVENING.
  ADDITIONAL AMOUNTS SHOULD MAINLY BE AN INCH OR TWO.

* STORM TOTAL SNOW...TOTAL SNOWFALL AMOUNTS FROM 4 TO 10 INCHES
  ARE FORECAST FOR THE AREA. THE HEAVIER AMOUNTS ARE EXPECTED OVER
  THE WESTERN PORTIONS OF THE WARNED AREA...FROM NEAR ATLANTIC AND
  AUDUBON FARTHER EAST TOWARD THE EARLHAM AREA.

* WINDS/VISIBILITY...NORTHEAST WINDS OF 15 TO 25 MPH WITH A FEW
  HIGHER GUSTS WILL CAUSE VISIBILITY RESTRICTIONS AND DRIFTING OF
  SNOW THIS AFTERNOON AND THIS EVENING. VISIBILITIES MAY DIP TO A
  QUARTER MILE DURING THE HEAVIER BURSTS OF SNOW.

* IMPACTS...HEAVY SNOW WILL MAKE TRAVEL DANGEROUS DURING THE
  PERIOD. THE FALLING SNOW...COMBINED WITH STRONG WINDS... WILL
  LEAD TO REDUCED VISIBILITIES. UNTREATED SURFACES WILL BECOME ICY
  AS THE SNOW FREEZES TO THE PAVEMENT. THE HEAVY WET NATURE OF THE
  SNOW MAY CAUSE SCATTERED POWER OUTAGES OVER WEST CENTRAL IOWA
  AS TREE BRANCHES BREAK AND FALL ON POWER LINES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING.  SIGNIFICANT AMOUNTS OF
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 YOU BECOME STRANDED.

&&

$$

IAZ062-075-050000-
/O.EXB.KDMX.WW.Y.0004.000000T0000Z-120205T0600Z/
POWESHIEK-MAHASKA-
INCLUDING THE CITIES OF...GRINNELL...OSKALOOSA
133 PM CST SAT FEB 4 2012

...WINTER WEATHER ADVISORY IN EFFECT UNTIL MIDNIGHT CST TONIGHT...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW WHICH IS IN EFFECT UNTIL MIDNIGHT CST
TONIGHT.

* SHORT TERM TRENDS...SNOW WILL CONTINUE ACROSS THE AREA THROUGH
  THE AFTERNOON BEFORE DIMINISHING THIS EARLY EVENING.

* STORM TOTAL SNOW...SNOWFALL AMOUNTS FROM 2 TO 4 INCHES WITH
  LOCALLY HEAVIER ACCUMULATIONS POSSIBLE.

* WINDS/VISIBILITY...NORTHEAST WINDS AT 15 TO 25 MPH WITH A FEW
  HIGHER GUSTS MAY CAUSE TEMPORARY VISIBILITY RESTRICTIONS AND
  MINOR DRIFTING OF SNOW TODAY AND TONIGHT.

* MAIN IMPACT...PERIODS OF SNOW WILL MAKE AREA ROADS SLICK AND 
  LEAD TO REDUCED VISIBILITIES AT TIMES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED
ROADS AND LIMITED VISIBILITY...AND USE CAUTION WHILE DRIVING.

&&

$$

IAZ061-073-074-083-084-092>094-050000-
/O.EXT.KDMX.WW.Y.0004.000000T0000Z-120205T0600Z/
JASPER-WARREN-MARION-CLARKE-LUCAS-TAYLOR-RINGGOLD-DECATUR-
INCLUDING THE CITIES OF...NEWTON...INDIANOLA...KNOXVILLE...
OSCEOLA...CHARITON...BEDFORD...MOUNT AYR...LEON
133 PM CST SAT FEB 4 2012

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL MIDNIGHT CST
TONIGHT...

* SHORT TERM TRENDS...SNOW WILL CONTINUE ACROSS THE AREA THROUGH
  THE AFTERNOON BEFORE DIMINISHING THIS EVENING.

* STORM TOTAL SNOW...SNOWFALL AMOUNTS FROM 2 TO 4 INCHES WITH
  LOCALLY HEAVIER AMOUNTS POSSIBLE.

* WINDS/VISIBILITY...NORTHEAST WINDS AT 15 TO 25 MPH WITH A FEW
  HIGHER GUSTS MAY CAUSE TEMPORARY VISIBILITY RESTRICTIONS AND
  MINOR DRIFTING OF SNOW TODAY AND TONIGHT.

* MAIN IMPACT...PERIODS OF SNOW WILL MAKE AREA ROADS SLICK AND 
  LEAD TO REDUCED VISIBILITIES AT TIMES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED
ROADS AND LIMITED VISIBILITY...AND USE CAUTION WHILE DRIVING.

&&

$$

SMALL
726 
WWUS43 KDMX 042246
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
446 PM CST SAT FEB 4 2012

...MODERATE SNOW CONTINUES ACROSS CENTRAL AND SOUTHERN IOWA
THROUGH EARLY THIS EVENING AND WILL END BY LATE EVENING...

.A POWERFUL WINTER STORM IS STILL AFFECTING PORTIONS OF THE AREA
BRINGING MODERATE TO HEAVY SNOWFALL TO THE REGION. THE SNOWFALL WILL
GRADUALLY DIMINISH FROM NORTH TO SOUTH LATER THIS EVENING AND END
LATE THIS EVENING. CONDITIONS WILL REMAIN HAZARDOUS UNTIL THE SNOW
DIMINISHES.

IAZ057>060-070>072-081-082-050600-
/O.CON.KDMX.WS.W.0002.000000T0000Z-120205T0600Z/
AUDUBON-GUTHRIE-DALLAS-POLK-CASS-ADAIR-MADISON-ADAMS-UNION-
INCLUDING THE CITIES OF...AUDUBON...GUTHRIE CENTER...ADEL...
DES MOINES...ATLANTIC...GREENFIELD...WINTERSET...CORNING...
CRESTON
446 PM CST SAT FEB 4 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CST
TONIGHT...

* SHORT TERM TRENDS...MODERATE SNOW WILL CONTINUE ACROSS PORTIONS
  OF THE AREA INTO EARLY EVENING. INTENSITIES WILL CONTINUE TO
  DIMINISH BEFORE ENDING ALTOGETHER LATER IN THE EVENING AS THE
  STORM WEAKENS AND PULLS EAST. ADDITIONAL AMOUNTS SHOULD MAINLY
  BE AN INCH OR LESS.

* STORM TOTAL SNOW...TOTAL SNOWFALL AMOUNTS FROM 4 TO 10 INCHES
  ARE FORECAST FOR THE AREA. THE HEAVIER AMOUNTS OCCURRED OVER
  THE WESTERN PORTIONS OF THE WARNED AREA...FROM NEAR ATLANTIC AND
  AUDUBON FARTHER EAST TOWARD THE EARLHAM AREA.

* WINDS/VISIBILITY...NORTHEAST WINDS OF 5 TO 15 MPH WILL CAUSE
  MINOR BLOWING OF SNOW THIS EVENING. VISIBILITIES SHOULD
  REMAIN BETWEEN 1 AND 3 MILES OVER AREAS OF HEAVIER SNOW.
  ELSEWHERE THE VISIBILITY WILL CONTINUE TO IMPROVE.

* IMPACTS...HEAVY SNOW WILL MAKE TRAVEL DANGEROUS UNTIL ROADS ARE
  CLEARED. UNTREATED SURFACES WILL BECOME ICY AS THE SNOW FREEZES
  TO THE PAVEMENT THIS EVENING. THE HEAVY WET NATURE OF THE SNOW
  MAY CAUSE SCATTERED POWER OUTAGES OVER WEST CENTRAL IOWA IF TREE
  BRANCHES BREAK AND FALL ON POWER LINES. THE SNOW AND RELATIVELY
  MOIST AIRMASS OVER IOWA MAY LEAD TO AREAS OF FOG LATE TONIGHT
  ONCE SKIES CLEAR. PERSONS TRAVELING LATE THIS EVENING SHOULD
  REMAIN ALERT FOR POSSIBLE FOG DEVELOPMENT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE OCCURRING. SIGNIFICANT AMOUNTS OF 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 YOU BECOME STRANDED.

&&

$$

IAZ061-062-073>075-083-084-092>094-050600-
/O.CON.KDMX.WW.Y.0004.000000T0000Z-120205T0600Z/
JASPER-POWESHIEK-WARREN-MARION-MAHASKA-CLARKE-LUCAS-TAYLOR-
RINGGOLD-DECATUR-
INCLUDING THE CITIES OF...NEWTON...GRINNELL...INDIANOLA...
KNOXVILLE...OSKALOOSA...OSCEOLA...CHARITON...BEDFORD...
MOUNT AYR...LEON
446 PM CST SAT FEB 4 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST
TONIGHT...

* SHORT TERM TRENDS...SNOW WILL CONTINUE ACROSS THE AREA THROUGH 
  THE AFTERNOON BEFORE DIMINISHING THIS EVENING. 

* STORM TOTAL SNOW...SNOWFALL AMOUNTS FROM 2 TO 4 INCHES WITH 
  LOCALLY HEAVIER AMOUNTS POSSIBLE. 

* WINDS/VISIBILITY...NORTHEAST WINDS AT 10 TO 20 MPH MAY CAUSE
  MINOR DRIFTING OF SNOW THIS EVENING. VISIBILITIES SHOULD REMAIN
  BETWEEN 1 AND 3 MILES OVER AREAS OF HEAVIER SNOW. ELSEWHERE THE
  VISIBILITY WILL CONTINUE TO IMPROVE AS THE STORM DIMINISHES.

* MAIN IMPACT...PERIODS OF SNOW WILL MAKE AREA ROADS SLICK AND
  LEAD TO REDUCED VISIBILITIES AT TIMES. UNTREATED SURFACES MAY
  BECOME ICY AS THE SNOW FREEZES TO THE PAVEMENT THIS EVENING. THE
  SNOW AND RELATIVELY MOIST AIRMASS OVER IOWA MAY LEAD TO AREAS OF
  FOG LATE TONIGHT ONCE SKIES CLEAR. PERSONS TRAVELING LATE THIS
  EVENING SHOULD REMAIN ALERT FOR POSSIBLE FOG DEVELOPMENT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED
ROADS AND LIMITED VISIBILITY...AND USE CAUTION WHILE DRIVING.

&&

$$

REV
305 
WWUS43 KDMX 050123
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
723 PM CST SAT FEB 4 2012

...LIGHT TO MODERATE SNOW CONTINUES ACROSS SOUTHERN IOWA THROUGH
THIS EVENING AND WILL END BY LATE EVENING...

.A WINTER STORM IS STILL AFFECTING PORTIONS OF THE AREA BRINGING
LIGHT TO MODERATE SNOWFALL TO THE REGION. THE SNOWFALL WILL
DIMINISH FROM NORTH TO SOUTH THIS EVENING AND END LATE THIS EVENING.
CONDITIONS WILL REMAIN HAZARDOUS UNTIL THE SNOW DIMINISHES.

IAZ057>060-071-072-082-050230-
/O.CAN.KDMX.WS.W.0002.000000T0000Z-120205T0600Z/
AUDUBON-GUTHRIE-DALLAS-POLK-ADAIR-MADISON-UNION-
INCLUDING THE CITIES OF...AUDUBON...GUTHRIE CENTER...ADEL...
DES MOINES...GREENFIELD...WINTERSET...CRESTON
723 PM CST SAT FEB 4 2012

...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS CANCELLED THE
WINTER STORM WARNING. 

OUTSIDE OF A FEW FLURRIES OR A PERIOD OF LIGHT SNOW...THE SNOW HAS
ENDED OVER THE WARNED AREA. WINDS HAVE DIMINISHED ENOUGH TO END
THE THREAT OF ANY BLOWING SNOW. THE SNOW THAT FELL TODAY AND THE
RELATIVELY MOIST AIRMASS OVER IOWA MAY LEAD TO AREAS OF FOG LATE
TONIGHT ONCE SKIES CLEAR. PERSONS TRAVELING LATE THIS EVENING
SHOULD REMAIN ALERT FOR POSSIBLE FOG DEVELOPMENT. PERSONS ARE
URGED TO EXERCISE CAUTION WHEN TRAVELING ABOUT THE REGION THIS
EVENING. ROADS MAY REMAIN SLICK THIS EVENING. 

$$

IAZ070-081-050600-
/O.CON.KDMX.WS.W.0002.000000T0000Z-120205T0600Z/
CASS-ADAMS-
INCLUDING THE CITIES OF...ATLANTIC...CORNING
723 PM CST SAT FEB 4 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CST
TONIGHT...

* SHORT TERM TRENDS...LIGHT SNOW WILL CONTINUE ACROSS PORTIONS OF
  THE AREA INTO THE EVENING. ADDITIONAL AMOUNTS SHOULD MAINLY BE
  AN INCH OR LESS.

* STORM TOTAL SNOW...TOTAL SNOWFALL AMOUNTS FROM 6 TO 10 INCHES
  ARE FORECAST FOR THE AREA. THE HEAVIER AMOUNTS OCCURRED OVER THE
  WESTERN PORTIONS OF THE WARNED AREA...FROM NEAR ATLANTIC AND
  AUDUBON FARTHER EAST TOWARD THE EARLHAM AREA.

* WINDS/VISIBILITY...NORTHEAST WINDS OF 5 TO 15 MPH WILL CAUSE
  MINOR BLOWING OF SNOW THIS EVENING. THE VISIBILITY WILL
  CONTINUE TO IMPROVE.

* IMPACTS...FALLEN SNOW WILL MAKE TRAVEL DANGEROUS UNTIL ROADS ARE
  CLEARED. UNTREATED SURFACES WILL BECOME ICY AS THE SNOW FREEZES
  TO THE PAVEMENT THIS EVENING. THE HEAVY WET NATURE OF THE SNOW
  MAY CAUSE SCATTERED POWER OUTAGES OVER WEST CENTRAL IOWA IF TREE
  BRANCHES BREAK AND FALL ON POWER LINES. THE SNOW AND RELATIVELY
  MOIST AIRMASS OVER IOWA MAY LEAD TO AREAS OF FOG LATE TONIGHT
  ONCE SKIES CLEAR. PERSONS TRAVELING LATE THIS EVENING SHOULD
  REMAIN ALERT FOR POSSIBLE FOG DEVELOPMENT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE OCCURRING. SIGNIFICANT AMOUNTS OF 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 YOU BECOME STRANDED.

&&

$$

IAZ061-062-073>075-083-084-092>094-050600-
/O.CON.KDMX.WW.Y.0004.000000T0000Z-120205T0600Z/
JASPER-POWESHIEK-WARREN-MARION-MAHASKA-CLARKE-LUCAS-TAYLOR-
RINGGOLD-DECATUR-
INCLUDING THE CITIES OF...NEWTON...GRINNELL...INDIANOLA...
KNOXVILLE...OSKALOOSA...OSCEOLA...CHARITON...BEDFORD...
MOUNT AYR...LEON
723 PM CST SAT FEB 4 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST
TONIGHT...

* SHORT TERM TRENDS...SNOW WILL CONTINUE TO DIMINISH THIS EVENING.

* STORM TOTAL SNOW...SNOWFALL AMOUNTS FROM 2 TO 4 INCHES WITH 
  LOCALLY HEAVIER AMOUNTS POSSIBLE. 

* WINDS/VISIBILITY...NORTHEAST WINDS AT 10 TO 15 MPH MAY CAUSE
  MINOR DRIFTING OF SNOW THIS EVENING. VISIBILITIES SHOULD REMAIN
  BETWEEN 3 AND 6 MILES OVER AREA. ELSEWHERE THE VISIBILITY WILL
  CONTINUE TO IMPROVE AS THE STORM DIMINISHES.

* MAIN IMPACT...PERIODS OF SNOW WILL MAKE AREA ROADS SLICK AND 
  LEAD TO REDUCED VISIBILITIES AT TIMES. UNTREATED SURFACES MAY 
  BECOME ICY AS THE SNOW FREEZES TO THE PAVEMENT THIS EVENING. 
  THE SNOW AND RELATIVELY MOIST AIRMASS OVER IOWA MAY LEAD TO 
  AREAS OF FOG LATE TONIGHT ONCE SKIES CLEAR. PERSONS TRAVELING 
  LATE THIS EVENING SHOULD REMAIN ALERT FOR POSSIBLE FOG 
  DEVELOPMENT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED
ROADS AND LIMITED VISIBILITY...AND USE CAUTION WHILE DRIVING.

&&

$$

REV
499 
WWUS43 KDMX 050257
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
857 PM CST SAT FEB 4 2012

...STORM CONTINUES TO WEAKEN AND MOVE SLOWLY OUT OF THE AREA...

.A WINTER STORM IS STILL AFFECTING A SMALL PORTION OF SOUTHWEST
FORECAST AREA BRINGING LIGHT SNOWFALL TO THE REGION. THE SNOWFALL
WILL DIMINISH BEFORE MIDNIGHT. CONDITIONS WILL REMAIN HAZARDOUS
UNTIL THE SNOW DIMINISHES.

IAZ061-062-073>075-083-084-094-050400-
/O.CAN.KDMX.WW.Y.0004.000000T0000Z-120205T0600Z/
JASPER-POWESHIEK-WARREN-MARION-MAHASKA-CLARKE-LUCAS-DECATUR-
INCLUDING THE CITIES OF...NEWTON...GRINNELL...INDIANOLA...
KNOXVILLE...OSKALOOSA...OSCEOLA...CHARITON...LEON
857 PM CST SAT FEB 4 2012

...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS CANCELLED THE
WINTER WEATHER ADVISORY. 

LIGHT SNOW OR FLURRIES MAY STILL CONTINUE FOR THE NEXT FEW HOURS
BUT THE ORGANIZED MODERATE SNOW THAT HAD BEEN OCCURRING HAS ENDED. 
THE SNOW THAT JUST FELL TODAY AND THE RELATIVELY MOIST AIRMASS
OVER IOWA TONIGHT MAY LEAD TO AREAS OF FOG ONCE SKIES CLEAR.
PERSONS TRAVELING OVERNIGHT SHOULD REMAIN ALERT FOR POSSIBLE FOG
DEVELOPMENT.

$$

IAZ070-081-050600-
/O.CON.KDMX.WS.W.0002.000000T0000Z-120205T0600Z/
CASS-ADAMS-
INCLUDING THE CITIES OF...ATLANTIC...CORNING
857 PM CST SAT FEB 4 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CST
TONIGHT...

* SHORT TERM TRENDS...LIGHT SNOW WILL CONTINUE ACROSS PORTIONS 
  OF THE AREA INTO THE EVENING. ADDITIONAL AMOUNTS SHOULD MAINLY 
  BE AN INCH OR LESS. 

* STORM TOTAL SNOW...TOTAL SNOWFALL AMOUNTS FROM 6 TO 10 INCHES 
  ARE FORECAST FOR THE AREA. THE HEAVIER AMOUNTS OCCURRED OVER 
  THE WESTERN PORTIONS OF THE WARNED AREA...FROM NEAR ATLANTIC 
  AND AUDUBON FARTHER EAST TOWARD THE EARLHAM AREA. 

* WINDS/VISIBILITY...NORTHEAST WINDS OF 5 TO 15 MPH WILL CAUSE
  MINOR BLOWING OF SNOW THIS EVENING. THE VISIBILITY WILL CONTINUE
  TO IMPROVE.

* IMPACTS...FALLEN SNOW WILL MAKE TRAVEL DANGEROUS UNTIL ROADS ARE
  CLEARED. UNTREATED SURFACES WILL BECOME ICY AS THE SNOW FREEZES
  TO THE PAVEMENT THIS EVENING. THE HEAVY WET NATURE OF THE SNOW
  MAY CAUSE SCATTERED POWER OUTAGES OVER WEST CENTRAL IOWA IF TREE
  BRANCHES BREAK AND FALL ON POWER LINES. THE SNOW THAT FELL OVER
  THE REGION TODAY AND THE RELATIVELY MOIST AIRMASS OVER IOWA MAY
  LEAD TO AREAS OF FOG TONIGHT ONCE SKIES CLEAR. PERSONS TRAVELING
  OVERNIGHT SHOULD REMAIN ALERT FOR POSSIBLE FOG DEVELOPMENT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE OCCURRING. SIGNIFICANT AMOUNTS OF 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 YOU BECOME STRANDED.

&&

$$

IAZ092-093-050600-
/O.CON.KDMX.WW.Y.0004.000000T0000Z-120205T0600Z/
TAYLOR-RINGGOLD-
INCLUDING THE CITIES OF...BEDFORD...MOUNT AYR
857 PM CST SAT FEB 4 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST
TONIGHT...

* SHORT TERM TRENDS...SNOW WILL CONTINUE TO DIMINISH THIS EVENING.
  LIGHT SNOW OR FLURRIES WILL CONTINUE FOR THE NEXT SEVERAL HOURS.

* STORM TOTAL SNOW...SNOWFALL AMOUNTS FROM 2 TO 4 INCHES WITH 
  LOCALLY HEAVIER AMOUNTS POSSIBLE. 

* WINDS/VISIBILITY...NORTHEAST WINDS AT 10 TO 15 MPH MAY CAUSE
  MINOR DRIFTING OF SNOW. THE VISIBILITY WILL CONTINUE TO IMPROVE
  AS THE STORM DIMINISHES.

* MAIN IMPACT...PERIODS OF SNOW WILL MAKE AREA ROADS SLICK AND 
  LEAD TO REDUCED VISIBILITIES AT TIMES. UNTREATED SURFACES MAY 
  BECOME ICY AS THE SNOW FREEZES TO THE PAVEMENT THIS EVENING. 
  THE SNOW AND RELATIVELY MOIST AIRMASS OVER IOWA MAY LEAD TO 
  AREAS OF FOG LATE TONIGHT ONCE SKIES CLEAR. PERSONS TRAVELING 
  LATE THIS EVENING SHOULD REMAIN ALERT FOR POSSIBLE FOG 
  DEVELOPMENT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED
ROADS AND LIMITED VISIBILITY...AND USE CAUTION WHILE DRIVING.

&&

$$

REV
204 
WWUS43 KDMX 050452
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
1052 PM CST SAT FEB 4 2012

...WINTER STORM HAS EXITED THE REGION THIS EVENING...

.THE WINTER STORM THAT AFFECTED IOWA FOR MUCH OF THIS SATURDAY HAS
FINALLY PULLED SOUTH OF THE REGION. ALTHOUGH THE SNOW HAS ENDED PERSONS
TRAVELING OVERNIGHT SHOULD REMAIN ALERT TO SLICK ROADS. ALSO FOG
MAY DEVELOP OVERNIGHT AND TOWARD MORNING...POSSIBLY IMPACTING
TRAFFIC BY SUNRISE SUNDAY MORNING IN SOME AREAS.

IAZ070-081-050600-
/O.CAN.KDMX.WS.W.0002.000000T0000Z-120205T0600Z/
CASS-ADAMS-
INCLUDING THE CITIES OF...ATLANTIC...CORNING
1052 PM CST SAT FEB 4 2012

...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS CANCELLED THE
WINTER STORM WARNING. 

HOWEVER...THE SNOW THAT JUST FELL TODAY AND THE RELATIVELY MOIST
AIRMASS OVER IOWA TONIGHT MAY LEAD TO AREAS OF FOG ONCE SKIES
CLEAR. PERSONS TRAVELING OVERNIGHT SHOULD REMAIN ALERT FOR
POSSIBLE FOG DEVELOPMENT.

$$

IAZ092-093-050600-
/O.CAN.KDMX.WW.Y.0004.000000T0000Z-120205T0600Z/
TAYLOR-RINGGOLD-
INCLUDING THE CITIES OF...BEDFORD...MOUNT AYR
1052 PM CST SAT FEB 4 2012

...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS CANCELLED THE
WINTER WEATHER ADVISORY. 

HOWEVER...THE SNOW THAT JUST FELL TODAY AND THE RELATIVELY MOIST
AIRMASS OVER IOWA TONIGHT MAY LEAD TO AREAS OF FOG ONCE SKIES
CLEAR. PERSONS TRAVELING OVERNIGHT SHOULD REMAIN ALERT FOR
POSSIBLE FOG DEVELOPMENT.

$$

REV

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 3, 3:36 PM CSTWinter Weather AdvisoryDMXClarke, Decatur, Jasper, Lucas, Mahaska, Marion and 5 more31 hr

Nearby

Winter Storm Warnings in Iowa, 2012Every winter storm 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.