Alert archive / Iowa / Blizzard Warnings in 2009

Blizzard Warning 2, NWS Des Moines, IA

April 4, 200915 counties in Iowa

NWS Des Moines, IA issued this blizzard warning at Apr 4, 2009, 4:23 AM CDT for 15 counties in Iowa. It took effect at Apr 4, 2009, 7:00 PM CDT. It was in force for 9 hr. 2 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
Apr 4, 2009, 4:23 AM CDT (09:23 UTC)
In effect from
Apr 4, 2009, 7:00 PM CDT
Expired
Apr 5, 2009, 3:54 AM CDT
In force
9 hr
Issued by
NWS Des Moines, IA

Counties Calhoun County, IA, Carroll County, IA, Cerro Gordo County, IA, Crawford County, IA, Emmet County, IA, Hancock County, IA, Humboldt County, IA, Kossuth County, IA, Palo Alto County, IA, Pocahontas County, IA, Sac County, IA, Webster County, IA, Winnebago County, IA, Worth County, IA, Wright County, IA

The radar

The Des Moines radar (KDMX), 128 km from the middle of the area, began a volume at 09:28 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
Apr 4, 7:25 PM CDTSNOW 0Estherville, IAMODERATE SNOW NOW FALLING...SLUSH BEGINNING TO ACCUMULATE.
Apr 5, 1:29 AM CDTSNOW 1Estherville, IAROADS ARE COVERED AND THERE IS CONSIDERABLE BLOWING SNOW.

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

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 9.4 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, Minneapolis, MN at 00:00Z on 2009-04-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 00:00Z on 2009-04-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -10 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1481 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
-10 m²/s²
0-3 km storm-relative helicity
41 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.

000 
WWUS43 KDMX 040923
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
423 AM CDT SAT APR 4 2009

...MAJOR WINTER STORM EXPECTED OVER MUCH OF IOWA TONIGHT AND
SUNDAY...

.STRONG LOW PRESSURE WILL TRACK ACROSS KANSAS SATURDAY AND ALONG
THE IOWA AND MISSOURI BORDER SATURDAY NIGHT AND SUNDAY. COLD AIR
AVAILABLE TO THE SYSTEM ALONG WITH ABUNDANT MOISTURE WILL PRODUCE
WIDESPREAD SNOW ACROSS THE NORTHWEST TWO THIRDS OF IOWA. THE
STORM WILL ALSO PRODUCE STRONG WINDS WHICH MAY CAUSE BLIZZARD
CONDITIONS IN NORTHWEST IOWA.

IAZ004-005-015-023-024-033-034-044-041730-
/O.UPG.KDMX.BZ.A.0002.090405T0000Z-090406T0000Z/
/O.NEW.KDMX.BZ.W.0002.090405T0000Z-090406T0000Z/
EMMET-KOSSUTH-PALO ALTO-POCAHONTAS-HUMBOLDT-SAC-CALHOUN-CRAWFORD-
INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...EMMETSBURG...
POCAHONTAS...HUMBOLDT...SAC CITY...ROCKWELL CITY...DENISON
423 AM CDT SAT APR 4 2009

...BLIZZARD WARNING IN EFFECT FROM 7 PM THIS EVENING TO 7 PM CDT
SUNDAY...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A BLIZZARD
WARNING...WHICH IS IN EFFECT FROM 7 PM THIS EVENING TO 7 PM CDT
SUNDAY. THIS UPGRADES THE BLIZZARD WATCH THAT WAS PREVIOUSLY IN
EFFECT.

A WIDE BAND OF MODERATE TO HEAVY SNOWFALL IS EXPECTED TO DEVELOP OVER
NORTHWEST IOWA BY EARLY TONIGHT AND CONTINUE INTO SUNDAY. A WIDE
SWATH OF SIX PLUS INCHES OF SNOW...WITH A NARROWER BAND OF 8 TO
12 INCHES...CAN BE EXPECTED OVER THE WARNED AREA. BLIZZARD
CONDITIONS WILL DEVELOP BY LATE TONIGHT INTO SUNDAY AS NORTHERLY
WINDS INCREASE TO 30 TO 35 MPH...WITH GUSTS OVER 40 MPH FOR A
TIME. THIS WILL CAUSE CONSIDERABLE BLOWING AND DRIFTING OF SNOW AS
WELL AS PERIODS OF NEAR ZERO VISIBILITY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS
AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT
CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF
YOU MUST TRAVEL...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET
STRANDED...STAY WITH YOUR VEHICLE.

&&

$$

IAZ006-007-016-017-025-035-045-041730-
/O.UPG.KDMX.WS.A.0004.090405T0000Z-090406T0000Z/
/O.NEW.KDMX.BZ.W.0002.090405T0000Z-090406T0000Z/
WINNEBAGO-WORTH-HANCOCK-CERRO GORDO-WRIGHT-WEBSTER-CARROLL-
INCLUDING THE CITIES OF...FOREST CITY...NORTHWOOD...GARNER...
MASON CITY...CLARION...FORT DODGE...CARROLL
423 AM CDT SAT APR 4 2009

...BLIZZARD WARNING IN EFFECT FROM 7 PM THIS EVENING TO 7 PM CDT
SUNDAY...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A BLIZZARD
WARNING...WHICH IS IN EFFECT FROM 7 PM THIS EVENING TO 7 PM CDT
SUNDAY. THIS REPLACES THE WINTER STORM WATCH THAT WAS PREVIOUSLY
IN EFFECT.

A WIDE BAND OF MODERATE TO HEAVY SNOWFALL IS EXPECTED TO DEVELOP OVER
NORTHWEST IOWA BY EARLY TONIGHT AND CONTINUE INTO SUNDAY. A WIDE
SWATH OF SIX PLUS INCHES OF SNOW...WITH A NARROWER BAND OF 8 TO
12 INCHES...CAN BE EXPECTED OVER THE WARNED AREA. BLIZZARD
CONDITIONS WILL DEVELOP BY LATE TONIGHT INTO SUNDAY AS NORTHERLY
WINDS INCREASE TO 30 TO 35 MPH...WITH GUSTS OVER 40 MPH FOR A
TIME. THIS WILL CAUSE CONSIDERABLE BLOWING AND DRIFTING OF SNOW AS
WELL AS PERIODS OF NEAR ZERO VISIBILITY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS
AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT
CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF
YOU MUST TRAVEL...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET
STRANDED...STAY WITH YOUR VEHICLE.

&&

$$

IAZ026>028-036-037-046-047-057-058-041730-
/O.UPG.KDMX.WS.A.0004.090405T0000Z-090406T0000Z/
/O.NEW.KDMX.WS.W.0006.090405T0600Z-090406T0000Z/
FRANKLIN-BUTLER-BREMER-HAMILTON-HARDIN-GREENE-BOONE-AUDUBON-
GUTHRIE-
INCLUDING THE CITIES OF...HAMPTON...ALLISON...WAVERLY...
WEBSTER CITY...ELDORA...JEFFERSON...BOONE...AUDUBON...
GUTHRIE CENTER
423 AM CDT SAT APR 4 2009

...WINTER STORM WARNING IN EFFECT FROM 1 AM TO 7 PM CDT SUNDAY...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WINTER
STORM WARNING FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM
1 AM TO 7 PM CDT SUNDAY. THIS UPGRADES THE WINTER STORM WATCH THAT
WAS PREVIOUSLY IN EFFECT.

SHOWERS AND ISOLATED THUNDERSTORMS WILL DEVELOP TONIGHT...THEN
CHANGE OVER TO SNOW DURING THE EARLY MORNING HOURS SUNDAY. ONCE
THE CHANGE OCCURS THE SNOW WILL COME DOWN HEAVILY AT TIMES...WITH
WIDESPREAD ACCUMULATIONS OF 5 TO 7 INCHES AND LOCALLY HIGHER
AMOUNTS EXPECTED ACROSS THE WARNED AREA. NORTHERLY WINDS WILL
INCREASE TO 25 TO 30 MPH EARLY SUNDAY...CAUSING CONSIDERABLE
BLOWING AND DRIFTING OF SNOW AS WELL AS PERIODS OF VERY LOW
VISIBILITY. THIS WILL MAKE TRAVEL VERY HAZARDOUS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WINTER STORM WARNING FOR SNOW AND BLOWING SNOW MEANS THAT
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.

&&

$$

IAZ038-039-041730-
/O.NEW.KDMX.WS.W.0006.090405T0600Z-090406T0000Z/
GRUNDY-BLACK HAWK-
INCLUDING THE CITIES OF...GRUNDY CENTER...WATERLOO
423 AM CDT SAT APR 4 2009

...WINTER STORM WARNING IN EFFECT FROM 1 AM TO 7 PM CDT SUNDAY...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WINTER
STORM WARNING FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM
1 AM TO 7 PM CDT SUNDAY.

SHOWERS AND ISOLATED THUNDERSTORMS WILL DEVELOP TONIGHT...THEN
CHANGE OVER TO SNOW DURING THE EARLY MORNING HOURS SUNDAY. ONCE
THE CHANGE OCCURS THE SNOW WILL COME DOWN HEAVILY AT TIMES...WITH
WIDESPREAD ACCUMULATIONS OF 5 TO 7 INCHES AND LOCALLY HIGHER
AMOUNTS EXPECTED ACROSS THE WARNED AREA. NORTHERLY WINDS WILL
INCREASE TO 25 TO 30 MPH EARLY SUNDAY...CAUSING CONSIDERABLE
BLOWING AND DRIFTING OF SNOW AS WELL AS PERIODS OF VERY LOW
VISIBILITY. THIS WILL MAKE TRAVEL VERY HAZARDOUS.

PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR
SNOW AND BLOWING SNOW MEANS THAT 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.

&&

$$

IAZ048>050-059>062-070>075-081-082-041730-
/O.NEW.KDMX.WS.A.0005.090405T1200Z-090406T0000Z/
STORY-MARSHALL-TAMA-DALLAS-POLK-JASPER-POWESHIEK-CASS-ADAIR-
MADISON-WARREN-MARION-MAHASKA-ADAMS-UNION-
INCLUDING THE CITIES OF...AMES...MARSHALLTOWN...TOLEDO...ADEL...
DES MOINES...NEWTON...GRINNELL...ATLANTIC...GREENFIELD...
WINTERSET...INDIANOLA...KNOXVILLE...OSKALOOSA...CORNING...CRESTON
423 AM CDT SAT APR 4 2009

...WINTER STORM WATCH IN EFFECT FROM SUNDAY MORNING THROUGH
SUNDAY EVENING...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WINTER
STORM WATCH...WHICH IS IN EFFECT FROM SUNDAY MORNING THROUGH
SUNDAY EVENING. 

SHOWERS AND THUNDERSTORMS TONIGHT WILL CHANGE TO SNOW SUNDAY
MORNING...WITH A BRIEF PERIOD OF SLEET POSSIBLE DURING THE
TRANSITION. ONCE THE CHANGE OCCURS THE SNOW MAY COME DOWN HEAVILY
AT TIMES...WITH ACCUMULATIONS OF 2 TO 5 INCHES AND LOCALLY HIGHER
AMOUNTS POSSIBLE ACROSS THE WATCH AREA. NORTHERLY WINDS WILL
INCREASE TO 25 TO 30 MPH SUNDAY WHICH COULD RESULT IN BLOWING AND
DRIFTING OF SNOW AS WELL AS NEAR-ZERO VISIBILITY...MAKING TRAVEL
DIFFICULT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW...SLEET...OR ICE ACCUMULATIONS...IN THIS CASE SNOW...THAT MAY
IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS.

&&

$$

LEE/MOYER
8 follow-up statements
000 
WWUS43 KDMX 041219
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
719 AM CDT SAT APR 4 2009

...MAJOR WINTER STORM EXPECTED OVER MUCH OF IOWA TONIGHT AND
SUNDAY...

.STRONG LOW PRESSURE WILL TRACK ACROSS KANSAS TODAY AND OVER
NORTHERN MISSOURI TONIGHT AND EARLY SUNDAY. COLD AIR AVAILABLE TO
THE SYSTEM ALONG WITH ABUNDANT MOISTURE WILL PRODUCE WIDESPREAD
SNOW ACROSS THE NORTHWEST TWO THIRDS OF IOWA. THE STORM WILL ALSO
PRODUCE STRONG WINDS WHICH MAY CAUSE BLIZZARD CONDITIONS IN
NORTHWEST IOWA.

IAZ004>007-015>017-023>025-033>035-044-045-042030-
/O.CON.KDMX.BZ.W.0002.090405T0000Z-090406T0000Z/
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
POCAHONTAS-HUMBOLDT-WRIGHT-SAC-CALHOUN-WEBSTER-CRAWFORD-CARROLL-
INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY...
NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...POCAHONTAS...
HUMBOLDT...CLARION...SAC CITY...ROCKWELL CITY...FORT DODGE...
DENISON...CARROLL
719 AM CDT SAT APR 4 2009

...BLIZZARD WARNING REMAINS IN EFFECT FROM 7 PM THIS EVENING TO
7 PM CDT SUNDAY...

A BLIZZARD WARNING REMAINS IN EFFECT FROM 7 PM THIS EVENING TO
7 PM CDT SUNDAY. 

A WIDE BAND OF MODERATE TO HEAVY SNOWFALL IS EXPECTED TO DEVELOP
OVER NORTHWEST IOWA BY EARLY TONIGHT AND CONTINUE INTO SUNDAY. A
WIDE SWATH OF SIX PLUS INCHES OF SNOW...WITH A NARROWER BAND OF
8 TO 12 INCHES...CAN BE EXPECTED OVER THE WARNED AREA. BLIZZARD
CONDITIONS WILL DEVELOP BY LATE TONIGHT INTO SUNDAY AS NORTHERLY
WINDS INCREASE TO 30 TO 35 MPH...WITH GUSTS OVER 40 MPH. THIS
WILL CAUSE CONSIDERABLE BLOWING AND DRIFTING OF SNOW AS WELL AS
PERIODS OF NEAR ZERO VISIBILITY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS
AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT
CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF
YOU MUST TRAVEL...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET
STRANDED...STAY WITH YOUR VEHICLE.

&&

$$

IAZ026>028-036>039-046-047-057-058-042030-
/O.CON.KDMX.WS.W.0006.090405T0600Z-090406T0000Z/
FRANKLIN-BUTLER-BREMER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-GREENE-
BOONE-AUDUBON-GUTHRIE-
INCLUDING THE CITIES OF...HAMPTON...ALLISON...WAVERLY...
WEBSTER CITY...ELDORA...GRUNDY CENTER...WATERLOO...JEFFERSON...
BOONE...AUDUBON...GUTHRIE CENTER
719 AM CDT SAT APR 4 2009

...WINTER STORM WARNING REMAINS IN EFFECT FROM 1 AM TO 7 PM CDT
SUNDAY...

A WINTER STORM WARNING REMAINS IN EFFECT FROM 1 AM TO 7 PM CDT
SUNDAY. 

SHOWERS AND ISOLATED THUNDERSTORMS WILL DEVELOP TONIGHT...THEN
CHANGE OVER TO SNOW DURING THE EARLY MORNING HOURS SUNDAY. ONCE
THE CHANGE OCCURS THE SNOW WILL COME DOWN HEAVILY AT TIMES...WITH
WIDESPREAD ACCUMULATIONS OF 5 TO 7 INCHES AND LOCALLY HIGHER
AMOUNTS EXPECTED ACROSS THE WARNED AREA. NORTHERLY WINDS WILL
INCREASE TO 25 TO 30 MPH EARLY SUNDAY...CAUSING CONSIDERABLE
BLOWING AND DRIFTING OF SNOW AS WELL AS PERIODS OF VERY LOW
VISIBILITY. THIS WILL MAKE TRAVEL VERY HAZARDOUS.

PRECAUTIONARY/PREPAREDNESS ACTIONS... 

A WINTER STORM WARNING FOR SNOW AND BLOWING SNOW MEANS THAT 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.

&&

$$

IAZ048>050-059>062-070>075-081-082-042030-
/O.CON.KDMX.WS.A.0005.090405T1200Z-090406T0000Z/
STORY-MARSHALL-TAMA-DALLAS-POLK-JASPER-POWESHIEK-CASS-ADAIR-
MADISON-WARREN-MARION-MAHASKA-ADAMS-UNION-
INCLUDING THE CITIES OF...AMES...MARSHALLTOWN...TOLEDO...ADEL...
DES MOINES...NEWTON...GRINNELL...ATLANTIC...GREENFIELD...
WINTERSET...INDIANOLA...KNOXVILLE...OSKALOOSA...CORNING...CRESTON
719 AM CDT SAT APR 4 2009

...WINTER STORM WATCH REMAINS IN EFFECT FROM SUNDAY MORNING
THROUGH SUNDAY EVENING...

A WINTER STORM WATCH REMAINS IN EFFECT FROM SUNDAY MORNING
THROUGH SUNDAY EVENING. 

SHOWERS AND THUNDERSTORMS TONIGHT WILL CHANGE TO SNOW SUNDAY
MORNING...WITH A BRIEF PERIOD OF SLEET POSSIBLE DURING THE
TRANSITION. ONCE THE CHANGE OCCURS THE SNOW MAY COME DOWN HEAVILY
AT TIMES...WITH ACCUMULATIONS OF 2 TO 5 INCHES AND LOCALLY HIGHER
AMOUNTS POSSIBLE ACROSS THE WATCH AREA. NORTHERLY WINDS WILL
INCREASE TO 25 TO 30 MPH SUNDAY WHICH COULD RESULT IN BLOWING AND
DRIFTING OF SNOW AS WELL AS NEAR-ZERO VISIBILITY...MAKING TRAVEL
DIFFICULT.

PRECAUTIONARY/PREPAREDNESS ACTIONS... 

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW...SLEET...OR ICE ACCUMULATIONS...IN THIS CASE SNOW...THAT MAY
IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS.

&&

$$

LEE/MOYER
000 
WWUS43 KDMX 041500
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
1000 AM CDT SAT APR 4 2009

...MAJOR WINTER STORM EXPECTED OVER MUCH OF IOWA TONIGHT AND
SUNDAY...

.STRONG LOW PRESSURE WILL TRACK ACROSS KANSAS TODAY AND OVER
NORTHERN MISSOURI TONIGHT AND EARLY SUNDAY. COLD AIR AVAILABLE TO
THE SYSTEM ALONG WITH ABUNDANT MOISTURE WILL PRODUCE WIDESPREAD
SNOW ACROSS THE NORTHWEST TWO THIRDS OF IOWA. THE STORM WILL ALSO
PRODUCE STRONG WINDS WHICH MAY CAUSE BLIZZARD CONDITIONS IN
NORTHWEST IOWA.

IAZ004>007-015>017-023>025-033>035-044-045-042300-
/O.CON.KDMX.BZ.W.0002.090405T0000Z-090406T0000Z/
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
POCAHONTAS-HUMBOLDT-WRIGHT-SAC-CALHOUN-WEBSTER-CRAWFORD-CARROLL-
INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY...
NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...POCAHONTAS...
HUMBOLDT...CLARION...SAC CITY...ROCKWELL CITY...FORT DODGE...
DENISON...CARROLL
1000 AM CDT SAT APR 4 2009

...BLIZZARD WARNING REMAINS IN EFFECT FROM 7 PM THIS EVENING TO
7 PM CDT SUNDAY...

A BLIZZARD WARNING REMAINS IN EFFECT FROM 7 PM THIS EVENING TO
7 PM CDT SUNDAY. 

A WIDE BAND OF MODERATE TO HEAVY SNOWFALL IS EXPECTED TO DEVELOP
OVER NORTHWEST IOWA BY EARLY TONIGHT AND CONTINUE INTO SUNDAY. A
WIDE SWATH OF SIX PLUS INCHES OF SNOW IS EXPECTED. A NARROWER BAND
OF 8 TO 12 INCHES CAN BE EXPECTED OVER THE WARNED AREA. BLIZZARD
CONDITIONS WILL DEVELOP BY LATE TONIGHT INTO SUNDAY AS NORTHERLY
WINDS INCREASE TO 30 TO 35 MPH...WITH GUSTS OVER 40 MPH. THIS WILL
CAUSE CONSIDERABLE BLOWING AND DRIFTING OF SNOW AS WELL AS PERIODS
OF NEAR ZERO VISIBILITY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS
AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT
CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF
YOU MUST TRAVEL...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET
STRANDED...STAY WITH YOUR VEHICLE.

&&

$$

IAZ026>028-036>039-046-047-057-058-042300-
/O.CON.KDMX.WS.W.0006.090405T0600Z-090406T0000Z/
FRANKLIN-BUTLER-BREMER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-GREENE-
BOONE-AUDUBON-GUTHRIE-
INCLUDING THE CITIES OF...HAMPTON...ALLISON...WAVERLY...
WEBSTER CITY...ELDORA...GRUNDY CENTER...WATERLOO...JEFFERSON...
BOONE...AUDUBON...GUTHRIE CENTER
1000 AM CDT SAT APR 4 2009

...WINTER STORM WARNING REMAINS IN EFFECT FROM 1 AM TO 7 PM CDT
SUNDAY...

A WINTER STORM WARNING REMAINS IN EFFECT FROM 1 AM TO 7 PM CDT
SUNDAY. 

SHOWERS AND ISOLATED THUNDERSTORMS WILL DEVELOP TONIGHT...THEN
CHANGE OVER TO SNOW DURING THE EARLY MORNING HOURS SUNDAY. ONCE
THE CHANGE OCCURS THE SNOW WILL COME DOWN HEAVILY AT TIMES...WITH
WIDESPREAD ACCUMULATIONS OF 5 TO 7 INCHES AND LOCALLY HIGHER
AMOUNTS EXPECTED ACROSS THE WARNED AREA. NORTHERLY WINDS WILL
INCREASE TO 25 TO 30 MPH EARLY SUNDAY...CAUSING CONSIDERABLE
BLOWING AND DRIFTING OF SNOW AS WELL AS PERIODS OF VERY LOW
VISIBILITY. THIS WILL MAKE TRAVEL VERY HAZARDOUS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR SNOW AND BLOWING SNOW MEANS THAT
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.

&&

$$

IAZ048>050-059>062-070>075-081-082-042300-
/O.CON.KDMX.WS.A.0005.090405T1200Z-090406T0000Z/
STORY-MARSHALL-TAMA-DALLAS-POLK-JASPER-POWESHIEK-CASS-ADAIR-
MADISON-WARREN-MARION-MAHASKA-ADAMS-UNION-
INCLUDING THE CITIES OF...AMES...MARSHALLTOWN...TOLEDO...ADEL...
DES MOINES...NEWTON...GRINNELL...ATLANTIC...GREENFIELD...
WINTERSET...INDIANOLA...KNOXVILLE...OSKALOOSA...CORNING...CRESTON
1000 AM CDT SAT APR 4 2009

...WINTER STORM WATCH REMAINS IN EFFECT FROM SUNDAY MORNING
THROUGH SUNDAY EVENING...

A WINTER STORM WATCH REMAINS IN EFFECT FROM SUNDAY MORNING
THROUGH SUNDAY EVENING. 

SHOWERS AND THUNDERSTORMS TONIGHT WILL CHANGE TO SNOW SUNDAY
MORNING...WITH A BRIEF PERIOD OF SLEET POSSIBLE DURING THE
TRANSITION. ONCE THE CHANGE OCCURS THE SNOW MAY COME DOWN HEAVILY
AT TIMES...WITH ACCUMULATIONS OF 2 TO 5 INCHES AND LOCALLY HIGHER
AMOUNTS POSSIBLE ACROSS THE WATCH AREA. NORTHERLY WINDS WILL
INCREASE TO 25 TO 30 MPH SUNDAY WHICH COULD RESULT IN BLOWING AND
DRIFTING OF SNOW AS WELL AS NEAR-ZERO VISIBILITY...MAKING TRAVEL
DIFFICULT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW...SLEET...OR ICE ACCUMULATIONS...IN THIS CASE SNOW...THAT
MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS.

&&

$$
000 
WWUS43 KDMX 041912
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
212 PM CDT SAT APR 4 2009

...MAJOR WINTER STORM EXPECTED OVER MUCH OF IOWA TONIGHT AND
SUNDAY...

.STRONG LOW PRESSURE OVER WEST CENTRAL KANSAS WILL TRACK EAST THIS
AFTERNOON AND ACROSS NORTHERN MISSOURI TONIGHT AND EARLY SUNDAY.
COLD AIR AVAILABLE TO THE SYSTEM ALONG WITH ABUNDANT MOISTURE WILL
PRODUCE WIDESPREAD SNOW ACROSS THE NORTHWEST TWO THIRDS OF IOWA.
THE STORM WILL ALSO PRODUCE STRONG WINDS WHICH MAY CAUSE BLIZZARD
CONDITIONS IN NORTHWEST IOWA.

IAZ004>007-015>017-023>025-033>035-044-045-050315-
/O.CON.KDMX.BZ.W.0002.090405T0000Z-090406T0000Z/
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
POCAHONTAS-HUMBOLDT-WRIGHT-SAC-CALHOUN-WEBSTER-CRAWFORD-CARROLL-
INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY...
NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...POCAHONTAS...
HUMBOLDT...CLARION...SAC CITY...ROCKWELL CITY...FORT DODGE...
DENISON...CARROLL
212 PM CDT SAT APR 4 2009

...BLIZZARD WARNING REMAINS IN EFFECT FROM 7 PM THIS EVENING TO
7 PM CDT SUNDAY...

A BLIZZARD WARNING REMAINS IN EFFECT FROM 7 PM THIS EVENING TO
7 PM CDT SUNDAY. 

A WIDE BAND OF MODERATE TO HEAVY SNOWFALL IS EXPECTED TO DEVELOP
OVER NORTHWEST IOWA BY EARLY TONIGHT AND CONTINUE INTO SUNDAY. A
WIDE SWATH OF SIX PLUS INCHES OF SNOW IS EXPECTED. A NARROWER
BAND OF 8 TO 12 INCHES CAN BE EXPECTED OVER THE WARNED AREA.
BLIZZARD CONDITIONS WILL DEVELOP BY LATE TONIGHT INTO SUNDAY AS
NORTHERLY WINDS INCREASE TO 30 TO 35 MPH...WITH GUSTS OVER
40 MPH. THIS WILL CAUSE CONSIDERABLE BLOWING AND DRIFTING OF SNOW
AS WELL AS PERIODS OF NEAR ZERO VISIBILITY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS
AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT
CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF
YOU MUST TRAVEL...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET
STRANDED...STAY WITH YOUR VEHICLE.

&&

$$

IAZ026>028-036>039-046-047-057-058-050315-
/O.CON.KDMX.WS.W.0006.090405T0600Z-090406T0000Z/
FRANKLIN-BUTLER-BREMER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-GREENE-
BOONE-AUDUBON-GUTHRIE-
INCLUDING THE CITIES OF...HAMPTON...ALLISON...WAVERLY...
WEBSTER CITY...ELDORA...GRUNDY CENTER...WATERLOO...JEFFERSON...
BOONE...AUDUBON...GUTHRIE CENTER
212 PM CDT SAT APR 4 2009

...WINTER STORM WARNING REMAINS IN EFFECT FROM 1 AM TO 7 PM CDT
SUNDAY...

A WINTER STORM WARNING REMAINS IN EFFECT FROM 1 AM TO 7 PM CDT
SUNDAY. 

SHOWERS AND ISOLATED THUNDERSTORMS WILL DEVELOP TONIGHT...THEN
CHANGE OVER TO SNOW DURING THE EARLY MORNING HOURS SUNDAY. ONCE
THE CHANGE OCCURS THE SNOW WILL COME DOWN HEAVILY AT TIMES...WITH
WIDESPREAD ACCUMULATIONS OF 5 TO 7 INCHES AND LOCALLY HIGHER
AMOUNTS EXPECTED ACROSS THE WARNED AREA. NORTHERLY WINDS WILL
INCREASE TO 25 TO 30 MPH EARLY SUNDAY...CAUSING CONSIDERABLE
BLOWING AND DRIFTING OF SNOW AS WELL AS PERIODS OF VERY LOW
VISIBILITY. THIS WILL MAKE TRAVEL VERY HAZARDOUS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR SNOW AND BLOWING SNOW MEANS THAT
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.

&&

$$

IAZ048>050-059>062-070>075-081-082-050315-
/O.CON.KDMX.WS.A.0005.090405T1200Z-090406T0000Z/
STORY-MARSHALL-TAMA-DALLAS-POLK-JASPER-POWESHIEK-CASS-ADAIR-
MADISON-WARREN-MARION-MAHASKA-ADAMS-UNION-
INCLUDING THE CITIES OF...AMES...MARSHALLTOWN...TOLEDO...ADEL...
DES MOINES...NEWTON...GRINNELL...ATLANTIC...GREENFIELD...
WINTERSET...INDIANOLA...KNOXVILLE...OSKALOOSA...CORNING...CRESTON
212 PM CDT SAT APR 4 2009

...WINTER STORM WATCH REMAINS IN EFFECT FROM SUNDAY MORNING
THROUGH SUNDAY EVENING...

A WINTER STORM WATCH REMAINS IN EFFECT FROM SUNDAY MORNING
THROUGH SUNDAY EVENING. 

SHOWERS AND THUNDERSTORMS TONIGHT WILL CHANGE TO SNOW SUNDAY
MORNING...WITH A BRIEF PERIOD OF SLEET POSSIBLE DURING THE
TRANSITION. ONCE THE CHANGE OCCURS THE SNOW MAY COME DOWN HEAVILY
AT TIMES...WITH ACCUMULATIONS OF 2 TO 5 INCHES AND LOCALLY HIGHER
AMOUNTS POSSIBLE ACROSS THE WATCH AREA. NORTHERLY WINDS WILL
INCREASE TO 25 TO 30 MPH SUNDAY WHICH COULD RESULT IN BLOWING AND
DRIFTING OF SNOW AS WELL AS NEAR-ZERO VISIBILITY...MAKING TRAVEL
DIFFICULT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW...SLEET...OR ICE ACCUMULATIONS...IN THIS CASE SNOW...THAT
MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS.

&&

$$
000 
WWUS43 KDMX 042026
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
326 PM CDT SAT APR 4 2009

...MAJOR WINTER STORM EXPECTED OVER MUCH OF IOWA TONIGHT AND
SUNDAY...

.STRONG LOW PRESSURE OVER CENTRAL KANSAS WILL TRACK EAST THIS
EVENING CROSS NORTHERN MISSOURI LATER TONIGHT AND SUNDAY MORNING.
COLD AIR AVAILABLE TO THE SYSTEM ALONG WITH ABUNDANT MOISTURE
WILL PRODUCE WIDESPREAD SNOW ACROSS THE NORTHWEST TWO THIRDS OF
IOWA. THE STORM WILL ALSO PRODUCE STRONG WINDS WHICH MAY CAUSE
BLIZZARD CONDITIONS IN NORTHWEST IOWA.

IAZ048>050-050430-
/O.UPG.KDMX.WS.A.0005.090405T1200Z-090406T0000Z/
/O.EXA.KDMX.WS.W.0006.090405T0600Z-090406T0000Z/
STORY-MARSHALL-TAMA-
INCLUDING THE CITIES OF...AMES...MARSHALLTOWN...TOLEDO
326 PM CDT SAT APR 4 2009

...WINTER STORM WARNING IN EFFECT FROM 1 AM TO 7 PM CDT SUNDAY...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WINTER
STORM WARNING FOR SNOW AND WIND...WHICH IS IN EFFECT FROM 1 AM TO 7
PM CDT SUNDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT.

SHOWERS AND THUNDERSTORMS WILL DEVELOP OVER THE AREA LATER THIS
EVENING AND PERSIST THROUGH MUCH OF THE OVERNIGHT HOURS. THE RAIN
WILL CHANGE TO SNOW SUNDAY MORNING...WITH A BRIEF PERIOD OF SLEET
POSSIBLE DURING THE TRANSITION. ONCE THE CHANGE OCCURS THE SNOW
MAY COME DOWN HEAVILY AT TIMES...WITH ACCUMULATIONS OF 3 TO 6
INCHES AND LOCALLY HIGHER AMOUNTS POSSIBLE ACROSS THE WATCH AREA.
A NORTH WIND WILL INCREASE TO 25 TO 30 MPH SUNDAY WHICH COULD
RESULT IN BLOWING AND DRIFTING OF SNOW AS WELL AS NEAR-ZERO
VISIBILITY...MAKING TRAVEL DIFFICULT.

&&

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.

&&

$$

IAZ004>007-015>017-023>025-033>035-044-045-050430-
/O.CON.KDMX.BZ.W.0002.090405T0000Z-090406T0000Z/
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
POCAHONTAS-HUMBOLDT-WRIGHT-SAC-CALHOUN-WEBSTER-CRAWFORD-CARROLL-
INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY...
NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...POCAHONTAS...
HUMBOLDT...CLARION...SAC CITY...ROCKWELL CITY...FORT DODGE...
DENISON...CARROLL
326 PM CDT SAT APR 4 2009

...BLIZZARD WARNING REMAINS IN EFFECT FROM 7 PM THIS EVENING TO
7 PM CDT SUNDAY...

A BLIZZARD WARNING REMAINS IN EFFECT FROM 7 PM THIS EVENING TO
7 PM CDT SUNDAY. 

A WIDE BAND OF MODERATE TO HEAVY SNOWFALL IS EXPECTED TO DEVELOP
OVER NORTHWEST IOWA BY EARLY TONIGHT AND CONTINUE INTO SUNDAY. A
WIDE SWATH OF SIX PLUS INCHES OF SNOW IS EXPECTED. A NARROWER
BAND OF 8 TO 10 INCHES CAN BE EXPECTED OVER THE WARNED AREA.
BLIZZARD CONDITIONS WILL DEVELOP BY LATE TONIGHT INTO SUNDAY AS
NORTHERLY WINDS INCREASE TO 30 TO 35 MPH...WITH GUSTS OVER
40 MPH. THIS WILL CAUSE CONSIDERABLE BLOWING AND DRIFTING OF SNOW
AS WELL AS PERIODS OF NEAR ZERO VISIBILITY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS
AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT
CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF
YOU MUST TRAVEL...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET
STRANDED...STAY WITH YOUR VEHICLE.

&&

$$

IAZ026>028-036>039-046-047-057-058-050430-
/O.CON.KDMX.WS.W.0006.090405T0600Z-090406T0000Z/
FRANKLIN-BUTLER-BREMER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-GREENE-
BOONE-AUDUBON-GUTHRIE-
INCLUDING THE CITIES OF...HAMPTON...ALLISON...WAVERLY...
WEBSTER CITY...ELDORA...GRUNDY CENTER...WATERLOO...JEFFERSON...
BOONE...AUDUBON...GUTHRIE CENTER
326 PM CDT SAT APR 4 2009

...WINTER STORM WARNING REMAINS IN EFFECT FROM 1 AM TO 7 PM CDT
SUNDAY...

A WINTER STORM WARNING REMAINS IN EFFECT FROM 1 AM TO 7 PM CDT
SUNDAY. 

SHOWERS AND ISOLATED THUNDERSTORMS WILL DEVELOP TONIGHT...THEN
CHANGE OVER TO SNOW DURING THE EARLY MORNING HOURS SUNDAY. ONCE
THE CHANGE OCCURS THE SNOW WILL COME DOWN HEAVILY AT TIMES...WITH
WIDESPREAD ACCUMULATIONS OF 5 TO 7 INCHES AND LOCALLY HIGHER
AMOUNTS EXPECTED ACROSS THE WARNED AREA. NORTHERLY WINDS WILL
INCREASE TO 25 TO 30 MPH EARLY SUNDAY...CAUSING CONSIDERABLE
BLOWING AND DRIFTING OF SNOW AS WELL AS PERIODS OF VERY LOW
VISIBILITY. THIS WILL MAKE TRAVEL VERY HAZARDOUS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR SNOW AND BLOWING SNOW MEANS THAT
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.

&&

$$

IAZ059>062-070>075-081-082-050430-
/O.UPG.KDMX.WS.A.0005.090405T1200Z-090406T0000Z/
/O.NEW.KDMX.WW.Y.0018.090405T1200Z-090406T0000Z/
DALLAS-POLK-JASPER-POWESHIEK-CASS-ADAIR-MADISON-WARREN-MARION-
MAHASKA-ADAMS-UNION-
INCLUDING THE CITIES OF...ADEL...DES MOINES...NEWTON...GRINNELL...
ATLANTIC...GREENFIELD...WINTERSET...INDIANOLA...KNOXVILLE...
OSKALOOSA...CORNING...CRESTON
326 PM CDT SAT APR 4 2009

...WINTER WEATHER ADVISORY IN EFFECT FROM 7 AM TO 7 PM CDT
SUNDAY...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW AND WIND...WHICH IS IN EFFECT FROM 7 AM TO
7 PM CDT SUNDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT.

SHOWERS AND THUNDERSTORMS WILL DEVELOP OVER THE AREA LATER THIS
EVENING AND PERSIST INTO THE OVERNIGHT HOURS. THE RAIN WILL CHANGE
OVER TO SNOW SUNDAY MORNING...WITH A BRIEF PERIOD OF SLEET
POSSIBLE DURING THE TRANSITION. ONCE THE CHANGE OCCURS THE SNOW
MAY COME DOWN HEAVILY AT TIMES...WITH ACCUMULATIONS OF 2 TO 4 INCHES
AND LOCALLY HIGHER AMOUNTS POSSIBLE ACROSS THE WATCH AREA.
A NORTH WIND WILL INCREASE TO 25 TO 30 MPH SUNDAY WHICH COULD
RESULT IN BLOWING AND DRIFTING OF SNOW AS WELL AS NEAR-ZERO
VISIBILITY...MAKING TRAVEL DIFFICULT.

&&

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

FAB
000 
WWUS43 KDMX 042350
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
650 PM CDT SAT APR 4 2009

...MAJOR WINTER STORM OVER MUCH OF IOWA TONIGHT AND SUNDAY...

.STRONG LOW PRESSURE OVER CENTRAL KANSAS WILL TRACK EAST ACROSS
NORTHERN MISSOURI OVERNIGHT AND SUNDAY MORNING. THE STORM WILL
PRODUCE WIDESPREAD SNOW ACROSS THE NORTHWEST TWO THIRDS OF IOWA...
AND STRONG WINDS WHICH WILL CREATE BLIZZARD CONDITIONS IN NORTHWEST
AND NORTH CENTRAL IOWA.

IAZ004>007-015>017-023>025-033>035-044-045-050800-
/O.CON.KDMX.BZ.W.0002.090405T0000Z-090406T0000Z/
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
POCAHONTAS-HUMBOLDT-WRIGHT-SAC-CALHOUN-WEBSTER-CRAWFORD-CARROLL-
INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY...
NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...POCAHONTAS...
HUMBOLDT...CLARION...SAC CITY...ROCKWELL CITY...FORT DODGE...
DENISON...CARROLL
650 PM CDT SAT APR 4 2009

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 7 PM CDT SUNDAY...

A BLIZZARD WARNING REMAINS IN EFFECT UNTIL 7 PM CDT SUNDAY. 

A WIDE BAND OF MODERATE TO HEAVY SNOWFALL IS EXPECTED TO DEVELOP
OVER NORTHWEST IOWA OVERNIGHT AND CONTINUE INTO SUNDAY. A
WIDE SWATH OF SIX PLUS INCHES OF SNOW IS EXPECTED...WITH A NARROW BAND
OF 8 TO 10 INCHES LIKELY. BLIZZARD CONDITIONS WILL DEVELOP BY LATE
TONIGHT INTO SUNDAY AS NORTHERLY WINDS INCREASE TO 30 TO 35
MPH...WITH GUSTS OVER 40 MPH. THIS WILL CAUSE CONSIDERABLE BLOWING
AND DRIFTING OF SNOW AS WELL AS PERIODS OF WHITEOUT CONDITIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS
AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT
CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF
YOU MUST TRAVEL...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET
STRANDED...STAY WITH YOUR VEHICLE.

&&

$$

IAZ026>028-036>039-046>050-057-058-050800-
/O.CON.KDMX.WS.W.0006.090405T0600Z-090406T0000Z/
FRANKLIN-BUTLER-BREMER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-GREENE-
BOONE-STORY-MARSHALL-TAMA-AUDUBON-GUTHRIE-
INCLUDING THE CITIES OF...HAMPTON...ALLISON...WAVERLY...
WEBSTER CITY...ELDORA...GRUNDY CENTER...WATERLOO...JEFFERSON...
BOONE...AMES...MARSHALLTOWN...TOLEDO...AUDUBON...GUTHRIE CENTER
650 PM CDT SAT APR 4 2009

...WINTER STORM WARNING REMAINS IN EFFECT FROM 1 AM TO 7 PM CDT
SUNDAY...

A WINTER STORM WARNING REMAINS IN EFFECT FROM 1 AM TO 7 PM CDT
SUNDAY. 

SHOWERS AND ISOLATED THUNDERSTORMS WILL DEVELOP TONIGHT...THEN
CHANGE OVER TO SNOW DURING THE EARLY MORNING HOURS SUNDAY. ONCE
THE CHANGE OCCURS THE SNOW WILL COME DOWN HEAVILY AT TIMES...WITH
WIDESPREAD ACCUMULATIONS OF 5 TO 7 INCHES AND LOCALLY HIGHER
AMOUNTS EXPECTED ACROSS THE WARNED AREA. NORTHERLY WINDS WILL
INCREASE TO 25 TO 30 MPH EARLY SUNDAY...CAUSING CONSIDERABLE
BLOWING AND DRIFTING OF SNOW AS WELL AS PERIODS OF VERY LOW
VISIBILITY. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR SNOW AND BLOWING SNOW MEANS THAT
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.

&&

$$

IAZ059>062-070>075-081-082-050800-
/O.CON.KDMX.WW.Y.0018.090405T1200Z-090406T0000Z/
DALLAS-POLK-JASPER-POWESHIEK-CASS-ADAIR-MADISON-WARREN-MARION-
MAHASKA-ADAMS-UNION-
INCLUDING THE CITIES OF...ADEL...DES MOINES...NEWTON...GRINNELL...
ATLANTIC...GREENFIELD...WINTERSET...INDIANOLA...KNOXVILLE...
OSKALOOSA...CORNING...CRESTON
650 PM CDT SAT APR 4 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 7 AM TO 7 PM
CDT SUNDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 7 AM TO 7 PM CDT
SUNDAY. 

SHOWERS AND THUNDERSTORMS WILL DEVELOP OVER THE AREA THIS EVENING AND
PERSIST INTO THE OVERNIGHT HOURS. THE RAIN WILL CHANGE OVER TO
SNOW SUNDAY MORNING...WITH A BRIEF PERIOD OF SLEET POSSIBLE DURING
THE TRANSITION. ONCE THE CHANGE OCCURS THE SNOW MAY COME DOWN
HEAVILY AT TIMES...WITH ACCUMULATIONS OF 2 TO 4 INCHES AND LOCALLY
HIGHER AMOUNTS POSSIBLE. A NORTH WIND WILL INCREASE TO 25 TO 30
MPH SUNDAY WHICH WILL PRODUCE BLOWING AND DRIFTING OF SNOW AS WELL
REDUCED VISIBILITY.

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

&&

$$

KINNEY
000 
WWUS43 KDMX 050312
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
1012 PM CDT SAT APR 4 2009

...MAJOR WINTER STORM OVER MUCH OF IOWA TONIGHT AND SUNDAY...

.STRONG LOW PRESSURE OVER CENTRAL KANSAS WILL TRACK EAST ACROSS
NORTHERN MISSOURI OVERNIGHT AND SUNDAY MORNING. THE STORM WILL
PRODUCE WIDESPREAD SNOW ACROSS THE NORTHWEST TWO THIRDS OF IOWA...
AND STRONG WINDS WHICH WILL CREATE BLIZZARD CONDITIONS IN
NORTHWEST AND NORTH CENTRAL IOWA.

IAZ004>007-015>017-023>025-033>035-044-045-051115-
/O.CON.KDMX.BZ.W.0002.000000T0000Z-090406T0000Z/
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
POCAHONTAS-HUMBOLDT-WRIGHT-SAC-CALHOUN-WEBSTER-CRAWFORD-CARROLL-
INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY...
NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...POCAHONTAS...
HUMBOLDT...CLARION...SAC CITY...ROCKWELL CITY...FORT DODGE...
DENISON...CARROLL
1012 PM CDT SAT APR 4 2009

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 7 PM CDT SUNDAY...

A BLIZZARD WARNING REMAINS IN EFFECT UNTIL 7 PM CDT SUNDAY. 

A WIDE BAND OF MODERATE TO HEAVY SNOWFALL WILL DEVELOP OVER
NORTHWEST IOWA OVERNIGHT AND CONTINUE INTO SUNDAY. TOTAL SNOWFALL
ACCUMULATIONS OF 5 TO 9 INCHES ARE EXPECTED. SNOWFALL
INTENSITY WILL INCREASE AFTER MIDNIGHT...AND CONTINUE THROUGH THE
EARLY MORNING HOURS. BLIZZARD CONDITIONS WILL DEVELOP DURING THE
EARLY MORNING AS NORTHERLY WINDS INCREASE TO 30 TO 35 MPH...WITH
GUSTS OVER 40 MPH. THIS WILL CAUSE CONSIDERABLE BLOWING AND
DRIFTING OF SNOW AS WELL AS PERIODS OF WHITEOUT CONDITIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS
AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT
CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF
YOU MUST TRAVEL...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET
STRANDED...STAY WITH YOUR VEHICLE.

&&

$$

IAZ026>028-036>039-046>050-057-058-051115-
/O.CON.KDMX.WS.W.0006.090405T0600Z-090406T0000Z/
FRANKLIN-BUTLER-BREMER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-GREENE-
BOONE-STORY-MARSHALL-TAMA-AUDUBON-GUTHRIE-
INCLUDING THE CITIES OF...HAMPTON...ALLISON...WAVERLY...
WEBSTER CITY...ELDORA...GRUNDY CENTER...WATERLOO...JEFFERSON...
BOONE...AMES...MARSHALLTOWN...TOLEDO...AUDUBON...GUTHRIE CENTER
1012 PM CDT SAT APR 4 2009

...WINTER STORM WARNING REMAINS IN EFFECT FROM 1 AM TO 7 PM CDT
SUNDAY...

A WINTER STORM WARNING REMAINS IN EFFECT FROM 1 AM TO 7 PM CDT
SUNDAY. 

SHOWERS AND ISOLATED THUNDERSTORMS WILL CONTINUE OVERNIGHT...THEN
TRANSITION TO A MIX OF RAIN...SNOW...AND SLEET BEFORE DAY BREAK.
PRECIPITATION WILL CHANGE OVER TO ALL SNOW AFTER SUNRISE...WITH
PERIODS OF MODERATE TO HEAVY SNOW AT TIMES DURING THE DAY SUNDAY.
EXPECT ACCUMULATIONS OF 4 TO 7 INCHES. NORTHERLY WINDS WILL
INCREASE TO 25 TO 30 MPH EARLY SUNDAY WITH HIGHER GUSTS...CAUSING
CONSIDERABLE BLOWING AND DRIFTING OF SNOW AS WELL AS PERIODS OF
VERY LOW VISIBILITY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR SNOW AND BLOWING SNOW MEANS THAT
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.

&&

$$

IAZ059>062-070>075-081-082-051115-
/O.CON.KDMX.WW.Y.0018.090405T1200Z-090406T0000Z/
DALLAS-POLK-JASPER-POWESHIEK-CASS-ADAIR-MADISON-WARREN-MARION-
MAHASKA-ADAMS-UNION-
INCLUDING THE CITIES OF...ADEL...DES MOINES...NEWTON...GRINNELL...
ATLANTIC...GREENFIELD...WINTERSET...INDIANOLA...KNOXVILLE...
OSKALOOSA...CORNING...CRESTON
1012 PM CDT SAT APR 4 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 7 AM TO 7 PM
CDT SUNDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 7 AM TO 7 PM CDT
SUNDAY. 

SHOWERS AND THUNDERSTORMS WILL CONTINUE OVER SOUTHERN IOWA
OVERNIGHT. THE RAIN WILL CHANGE OVER TO SNOW SUNDAY
MORNING...WITH A BRIEF PERIOD OF SLEET POSSIBLE DURING THE
TRANSITION. EXPECT PERIODS OF MODERATE TO HEAVY SNOW AT
TIMES...WITH ACCUMULATIONS OF 2 TO 4 INCHES AND LOCALLY HIGHER
AMOUNTS POSSIBLE. A NORTH WIND WILL INCREASE TO 25 TO 30 MPH
SUNDAY AFTERNOON WITH HIGHER GUSTS...WHICH WILL PRODUCE BLOWING AND
DRIFTING OF SNOW AND REDUCED VISIBILITY.

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

&&

$$

KINNEY
000 
WWUS43 KDMX 050611
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
111 AM CDT SUN APR 5 2009

...MAJOR WINTER STORM OVER MUCH OF IOWA TODAY...

.STRONG LOW PRESSURE OVER NORTHEAST KANSAS WILL TRACK EAST ACROSS
NORTHERN MISSOURI TODAY. THE STORM WILL PRODUCE WIDESPREAD SNOW ACROSS
THE NORTHWEST TWO THIRDS OF IOWA... AND STRONG WINDS WHICH WILL
CREATE BLIZZARD CONDITIONS IN NORTHWEST AND NORTH CENTRAL IOWA.

IAZ004>007-015>017-023>025-033>035-044-045-051415-
/O.CON.KDMX.BZ.W.0002.000000T0000Z-090406T0000Z/
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
POCAHONTAS-HUMBOLDT-WRIGHT-SAC-CALHOUN-WEBSTER-CRAWFORD-CARROLL-
INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY...
NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...POCAHONTAS...
HUMBOLDT...CLARION...SAC CITY...ROCKWELL CITY...FORT DODGE...
DENISON...CARROLL
111 AM CDT SUN APR 5 2009

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS
EVENING...

A BLIZZARD WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING.

PRECIPITATION HAS CHANGED TO SNOW ALONG AND NORTHWEST OF A LINE
FROM STORM LAKE TO ALGONA. THE TRANSITION TO SNOW WILL CONTINUE
MOVING SOUTHEAST EARLY THIS MORNING. MODERATE TO HEAVY SNOWFALL
WILL OCCUR THROUGH THE MORNING HOURS WITH RATES OF UP TO ONE INCH
PER HOUR POSSIBLE. BLIZZARD CONDITIONS WILL ALSO DEVELOP AS
NORTHERLY WINDS INCREASE TO 30 TO 35 MPH...WITH GUSTS OVER 40
MPH...RESULTING IN NEAR ZERO VISIBILITY AND CONSIDERABLE BLOWING
AND DRIFTING OF SNOW. TOTAL SNOWFALL ACCUMULATIONS OF 5 TO 9 INCHES
ARE EXPECTED BY THE END OF THE DAY. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS
AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT
CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF
YOU MUST TRAVEL...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET
STRANDED...STAY WITH YOUR VEHICLE.

&&

$$

IAZ026>028-036>039-046>050-057-058-051415-
/O.CON.KDMX.WS.W.0006.000000T0000Z-090406T0000Z/
FRANKLIN-BUTLER-BREMER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-GREENE-
BOONE-STORY-MARSHALL-TAMA-AUDUBON-GUTHRIE-
INCLUDING THE CITIES OF...HAMPTON...ALLISON...WAVERLY...
WEBSTER CITY...ELDORA...GRUNDY CENTER...WATERLOO...JEFFERSON...
BOONE...AMES...MARSHALLTOWN...TOLEDO...AUDUBON...GUTHRIE CENTER
111 AM CDT SUN APR 5 2009

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS
EVENING...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS
EVENING. 

SHOWERS AND ISOLATED THUNDERSTORMS WILL CONTINUE EARLY THIS MORNING...THEN
TRANSITION TO A MIX OF RAIN...SNOW...AND SLEET BEFORE DAY BREAK.
PRECIPITATION WILL CHANGE OVER TO ALL SNOW AFTER SUNRISE...WITH
PERIODS OF MODERATE TO HEAVY SNOW AT TIMES DURING THE DURING THE DAY.
EXPECT ACCUMULATIONS OF 4 TO 7 INCHES. NORTHERLY WINDS WILL
INCREASE TO 25 TO 30 MPH EARLY SUNDAY WITH HIGHER GUSTS...CAUSING
CONSIDERABLE BLOWING AND DRIFTING OF SNOW AS WELL AS PERIODS OF
VERY LOW VISIBILITY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR SNOW AND BLOWING SNOW MEANS THAT
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.

&&

$$

IAZ059>062-070>075-081-082-051415-
/O.CON.KDMX.WW.Y.0018.090405T1200Z-090406T0000Z/
DALLAS-POLK-JASPER-POWESHIEK-CASS-ADAIR-MADISON-WARREN-MARION-
MAHASKA-ADAMS-UNION-
INCLUDING THE CITIES OF...ADEL...DES MOINES...NEWTON...GRINNELL...
ATLANTIC...GREENFIELD...WINTERSET...INDIANOLA...KNOXVILLE...
OSKALOOSA...CORNING...CRESTON
111 AM CDT SUN APR 5 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 7 AM THIS
MORNING TO 7 PM CDT THIS EVENING...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 7 AM THIS
MORNING TO 7 PM CDT THIS EVENING. 

SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS WILL CONTINUE OVER
SOUTHERN IOWA EARLY THIS MORNING. THE RAIN WILL CHANGE OVER TO SNOW
BY MID MORNING...WITH A BRIEF PERIOD OF SLEET POSSIBLE DURING THE
TRANSITION. EXPECT PERIODS OF MODERATE TO HEAVY SNOW AT
TIMES...WITH ACCUMULATIONS OF 2 TO 4 INCHES AND LOCALLY HIGHER
AMOUNTS POSSIBLE. A NORTH WIND WILL INCREASE TO 25 TO 30 MPH
THIS AFTERNOON WITH HIGHER GUSTS...WHICH WILL PRODUCE BLOWING
AND DRIFTING OF SNOW AND REDUCED VISIBILITY.

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

&&

$$

MOYER
000 
WWUS43 KDMX 050854
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
354 AM CDT SUN APR 5 2009

...MAJOR WINTER STORM OVER MUCH OF IOWA TODAY...

.STRONG LOW PRESSURE WILL MOVE EAST ACROSS NORTHERN MISSOURI TODAY.
THE STORM WILL PRODUCE WIDESPREAD SNOW ACROSS THE NORTHWEST TWO
THIRDS OF IOWA. ASSOCIATED STRONG WINDS WHICH WILL RESULT IN REDUCED
VISIBILITY IN BLOWING SNOW.

IAZ004>007-015>017-023>025-033>035-044-045-051700-
/O.CAN.KDMX.BZ.W.0002.000000T0000Z-090406T0000Z/
/O.EXA.KDMX.WS.W.0006.000000T0000Z-090406T0000Z/
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
POCAHONTAS-HUMBOLDT-WRIGHT-SAC-CALHOUN-WEBSTER-CRAWFORD-CARROLL-
INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY...
NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...POCAHONTAS...
HUMBOLDT...CLARION...SAC CITY...ROCKWELL CITY...FORT DODGE...
DENISON...CARROLL
354 AM CDT SUN APR 5 2009

...WINTER STORM WARNING IN EFFECT UNTIL 7 PM CDT THIS EVENING...
...BLIZZARD WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WINTER
STORM WARNING FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT UNTIL 7
PM CDT THIS EVENING. THE BLIZZARD WARNING HAS BEEN CANCELLED.

PRECIPITATION HAS CHANGED TO SNOW ALONG AND NORTHWEST OF A LINE
FROM CARROLL TO MASON CITY. THE TRANSITION TO SNOW WILL CONTINUE
MOVING SOUTHEAST EARLY THIS MORNING. MODERATE TO HEAVY SNOWFALL
WILL OCCUR THROUGH THE MORNING HOURS WITH RATES OF UP TO ONE INCH
PER HOUR POSSIBLE. HIGHEST SNOWFALL RATES WILL BE FROM DENISON AND
CARROLL UP TOWARD WEBSTER CITY. NORTH WINDS INCREASE TO 20 TO 30
MPH...WITH GUSTS NEAR 35 MPH WILL RESULT IN CONSIDERABLE BLOWING
AND DRIFTING OF SNOW...AND VISIBILITY REDUCTIONS TO ONE QUARTER
MILE AT TIMES. TOTAL SNOWFALL ACCUMULATIONS OF 4 TO 7 INCHES ARE
EXPECTED BY THE END OF THE DAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW AND BLOWING 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.

&&

$$

IAZ026>028-036>039-046>050-057-058-051700-
/O.CON.KDMX.WS.W.0006.000000T0000Z-090406T0000Z/
FRANKLIN-BUTLER-BREMER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-GREENE-
BOONE-STORY-MARSHALL-TAMA-AUDUBON-GUTHRIE-
INCLUDING THE CITIES OF...HAMPTON...ALLISON...WAVERLY...
WEBSTER CITY...ELDORA...GRUNDY CENTER...WATERLOO...JEFFERSON...
BOONE...AMES...MARSHALLTOWN...TOLEDO...AUDUBON...GUTHRIE CENTER
354 AM CDT SUN APR 5 2009

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS
EVENING...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS
EVENING. 

SHOWERS WILL CONTINUE EARLY THIS MORNING...THEN TRANSITION TO A
MIX OF RAIN...SNOW...AND SLEET BEFORE DAY BREAK. PRECIPITATION
WILL CHANGE OVER TO ALL SNOW AFTER SUNRISE...WITH PERIODS OF
MODERATE TO HEAVY SNOW AT TIMES DURING THE DURING THE DAY. EXPECT
ACCUMULATIONS OF 3 TO 6 INCHES. EAST WINDS 20 TO 30 MPH WITH
HIGHER GUSTS EARLY SUNDAY WILL SHIFT TO THE NORTH DURING THE
DAY...CAUSING CONSIDERABLE BLOWING AND DRIFTING OF SNOW AS WELL AS
PERIODS OF VERY LOW VISIBILITY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR SNOW AND BLOWING SNOW MEANS THAT
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.

&&

$$

IAZ092-093-051700-
/O.EXA.KDMX.WW.Y.0018.090405T1200Z-090406T0000Z/
TAYLOR-RINGGOLD-
INCLUDING THE CITIES OF...BEDFORD...MOUNT AYR
354 AM CDT SUN APR 5 2009

...WINTER WEATHER ADVISORY IN EFFECT FROM 7 AM THIS MORNING TO
7 PM CDT THIS EVENING...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT
FROM 7 AM THIS MORNING TO 7 PM CDT THIS EVENING. 

SCATTERED SHOWERS WILL CONTINUE OVER SOUTHERN IOWA EARLY THIS
MORNING. THE RAIN WILL CHANGE OVER TO SNOW BY MID MORNING...WITH A
BRIEF PERIOD OF SLEET POSSIBLE DURING THE TRANSITION. EXPECT
PERIODS OF MODERATE TO HEAVY SNOW AT TIMES...WITH ACCUMULATIONS OF
1 TO 2 INCHES AND LOCALLY HIGHER AMOUNTS POSSIBLE. A NORTH WIND
WILL INCREASE TO 25 TO 30 MPH WITH HIGHER GUSTS...WHICH WILL
PRODUCE BLOWING AND DRIFTING OF SNOW AND REDUCED VISIBILITY.

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

&&

$$

IAZ059>062-070>075-081-082-051700-
/O.CON.KDMX.WW.Y.0018.090405T1200Z-090406T0000Z/
DALLAS-POLK-JASPER-POWESHIEK-CASS-ADAIR-MADISON-WARREN-MARION-
MAHASKA-ADAMS-UNION-
INCLUDING THE CITIES OF...ADEL...DES MOINES...NEWTON...GRINNELL...
ATLANTIC...GREENFIELD...WINTERSET...INDIANOLA...KNOXVILLE...
OSKALOOSA...CORNING...CRESTON
354 AM CDT SUN APR 5 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 7 AM THIS
MORNING TO 7 PM CDT THIS EVENING...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 7 AM THIS
MORNING TO 7 PM CDT THIS EVENING. 

SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS WILL CONTINUE OVER
THE AREA EARLY THIS MORNING. THE RAIN WILL CHANGE OVER TO
SNOW BY MID MORNING...WITH A BRIEF PERIOD OF SLEET POSSIBLE
DURING THE TRANSITION. EXPECT PERIODS OF MODERATE TO HEAVY SNOW
AT TIMES...WITH ACCUMULATIONS OF 1 TO 4 INCHES AND LOCALLY HIGHER
AMOUNTS POSSIBLE. A NORTH WIND WILL INCREASE TO 25 TO 30 MPH THIS
AFTERNOON WITH HIGHER GUSTS...WHICH WILL PRODUCE BLOWING AND
DRIFTING OF SNOW AND REDUCED VISIBILITY.

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

&&

$$

MOYER

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 4, 4:23 AM CDTWinter Storm WatchDMXAdair, Adams, Cass, Dallas, Jasper, Madison and 9 more11 hr
Apr 4, 4:23 AM CDTWinter Storm WarningDMXAudubon, Black Hawk, Boone, Bremer, Butler, Calhoun and 23 more39 hr
Apr 4, 3:26 PM CDTWinter Weather AdvisoryDMXAdair, Adams, Audubon, Boone, Calhoun, Carroll and 25 more28 hr

Nearby

Blizzard Warnings in Iowa, 2009Every blizzard warning in 2009

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.