Alert archive / Iowa / Blizzard Warnings in 2008

Blizzard Warning 1, NWS Des Moines, IA

January 29, 200810 counties in Iowa

NWS Des Moines, IA issued this blizzard warning at Jan 29, 2008, 11:38 AM CST for 10 counties in Iowa. It was in force for 6 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
Jan 29, 2008, 11:38 AM CST (17:38 UTC)
Expired
Jan 29, 2008, 6:00 PM CST
In force
6 hr
Issued by
NWS Des Moines, IA

Counties Cerro Gordo County, IA, Franklin County, IA, Hancock County, IA, Humboldt County, IA, Kossuth County, IA, Palo Alto County, IA, Pocahontas County, IA, Winnebago County, IA, Worth County, IA, Wright County, IA

The radar

The Des Moines radar (KDMX), 144 km from the middle of the area, began a volume at 17:43 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
Jan 29, 11:51 AM CSTSNOW 2Lake Mills, IANEAR WHITE OUT CONDITIONS AS WELL.
Jan 29, 5:03 PM CSTBLIZZARDN Geneva, IAESTIMATED 50 MPH WINDS WITH 1 INCH OF NEW 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 12:00Z, 5.6 hours before the alert went out and 205 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Minneapolis, MN at 12:00Z on 2008-01-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 12:00Z on 2008-01-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -141 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
836 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
-141 m²/s²
0-3 km storm-relative helicity
63 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 291738
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
1138 AM CST TUE JAN 29 2008

...WINTRY WEATHER TO RETURN TO THE AREA TODAY...

.A STRONG COLD FRONT EXITING THE STATE WILL BE FOLLOWED BY
SHARPLY COLDER TEMPERATURES ON A GUSTY NORTHWEST WIND. AN UPPER
LEVEL DISTURBANCE WILL LIFT NORTHEAST ACROSS THE STATE THIS
AFTERNOON. COLD HIGH PRESSURE WILL SETTLE INTO THE STATE TONIGHT.

IAZ005>007-015>017-023>026-300145-
/O.UPG.KDMX.SB.Y.0001.000000T0000Z-080129T2200Z/
/O.NEW.KDMX.BZ.W.0001.080129T1738Z-080130T0000Z/
/O.CON.KDMX.WC.Y.0006.080129T1800Z-080130T1200Z/
KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-POCAHONTAS-
HUMBOLDT-WRIGHT-FRANKLIN-
INCLUDING THE CITIES OF...ALGONA...FOREST CITY...NORTHWOOD...
EMMETSBURG...GARNER...MASON CITY...POCAHONTAS...HUMBOLDT...
CLARION...HAMPTON
1138 AM CST TUE JAN 29 2008

...BLIZZARD WARNING IN EFFECT UNTIL 6 PM CST THIS AFTERNOON...
...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST
WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A BLIZZARD
WARNING...WHICH IS IN EFFECT UNTIL 6 PM CST THIS AFTERNOON. THE
SNOW AND BLOWING SNOW ADVISORY IS NO LONGER IN EFFECT. A WIND
CHILL ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST WEDNESDAY. 

STRONG NORTHWEST WINDS OF 25 TO 35 MPH WITH OCCASIONAL GUSTS OF
40 TO 45 MPH WILL COMBINE WITH LIGHT TO MODERATE SNOW TO CREATE
AREAS OF BLOWING SNOW WITH FREQUENT VISIBILITY TO NEAR ZERO THROUGH
MID AFTERNOON. IMPROVEMENT IS EXPECTED AFTER 3 PM WITH VISIBILITY
ABOVE A MILE BY SUNSET. TOTAL SNOW ACCUMULATIONS WILL GENERALLY
RANGE FROM AROUND AN INCH TO TWO INCHES...WITH LOCALLY HIGHER
AMOUNTS POSSIBLE.

IN ADDITION...FALLING TEMPERATURES THROUGH THE DAY COMBINED WITH
THE STRONG WINDS WILL LEAD TO DANGEROUSLY COLD WIND CHILLS BY
THIS AFTERNOON. WIND CHILLS OF 20 BELOW TO 30 BELOW CAN BE
EXPECTED ACROSS PORTIONS OF NORTHERN IOWA THIS AFTERNOON THROUGH
TONIGHT.

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...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET
STRANDED...STAY WITH YOUR VEHICLE.

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

$$

IAZ027-028-037>039-300145-
/O.CON.KDMX.SB.Y.0001.080129T1800Z-080130T0200Z/
/O.CON.KDMX.WC.Y.0006.080129T1800Z-080130T1200Z/
BUTLER-BREMER-HARDIN-GRUNDY-BLACK HAWK-
INCLUDING THE CITIES OF...ALLISON...WAVERLY...ELDORA...
GRUNDY CENTER...WATERLOO
1138 AM CST TUE JAN 29 2008

...SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL 8 PM
CST THIS EVENING...
...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST
WEDNESDAY...

A SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL 8 PM CST
THIS EVENING. A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 6 AM
CST WEDNESDAY. 

STRONG NORTHWEST WINDS OF 25 TO 30 MPH WITH POSSIBLE GUSTS OF
40 TO 45 MPH CAN BE EXPECTED THROUGH THE AFTERNOON. LIGHT SNOW
CAN BE EXPECTED THROUGH THE AFTERNOON WITH AREAS OF BLOWING SNOW.
A BAND OF HEAVIER SNOW WILL REDUCE VISIBILITY TO UNDER ONE
QUARTER OF A MILE FOR AN HOUR OR TWO THIS AFTERNOON...WITH NEAR
BLIZZARD CONDITIONS AT TIMES. TOTAL SNOW ACCUMULATIONS SHOULD
GENERALLY BE AROUND AN INCH TO TWO INCHES...WITH LOCALLY HIGHER
AMOUNTS POSSIBLE.

IN ADDITION...FALLING TEMPERATURES THROUGH THE DAY COMBINED WITH
THE STRONG WINDS WILL LEAD TO DANGEROUSLY COLD WIND CHILLS BY
THIS AFTERNOON. WIND CHILLS OF 20 BELOW TO 30 BELOW CAN BE
EXPECTED ACROSS PORTIONS OF NORTHERN IOWA THIS AFTERNOON THROUGH
TONIGHT.

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

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

$$

IAZ004-033>036-300145-
/O.CON.KDMX.SB.Y.0001.000000T0000Z-080129T2200Z/
/O.CON.KDMX.WC.Y.0006.080129T1800Z-080130T1200Z/
EMMET-SAC-CALHOUN-WEBSTER-HAMILTON-
INCLUDING THE CITIES OF...ESTHERVILLE...SAC CITY...
ROCKWELL CITY...FORT DODGE...WEBSTER CITY
1138 AM CST TUE JAN 29 2008

...SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL 4 PM
CST THIS AFTERNOON...
...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST
WEDNESDAY...

A SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL 4 PM CST
THIS AFTERNOON. A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL
6 AM CST WEDNESDAY. 

STRONG NORTHWEST WINDS OF 25 TO 35 MPH WITH OCCASIONAL GUSTS OF
40 TO 45 MPH WILL COMBINE WITH LIGHT TO MODERATE SNOW TO CREATE
AREAS OF BLOWING SNOW WITH VISIBILITIES BELOW A MILE FREQUENTLY.
A BAND OF HEAVIER SNOW WILL ADVANCE ACROSS THE AREA AND PRODUCE A
PERIOD OF ABOUT 2 HOURS WITH VISIBILITY BELOW ONE QUARTER OF A
MILE WITH LOCAL NEAR BLIZZARD CONDITIONS. TOTAL SNOW
ACCUMULATIONS WILL GENERALLY RANGE FROM AROUND AN INCH TO TWO
INCHES...WITH LOCALLY HIGHER AMOUNTS POSSIBLE.

IN ADDITION...FALLING TEMPERATURES THROUGH THE DAY COMBINED WITH
THE STRONG WINDS WILL LEAD TO DANGEROUSLY COLD WIND CHILLS BY
THIS AFTERNOON. WIND CHILLS OF 20 BELOW TO 30 BELOW CAN BE
EXPECTED ACROSS PORTIONS OF NORTHERN IOWA THIS AFTERNOON THROUGH
TONIGHT.

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

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

$$

IAZ044>047-057-058-070-292200-
/O.CON.KDMX.SB.Y.0001.000000T0000Z-080129T2200Z/
CRAWFORD-CARROLL-GREENE-BOONE-AUDUBON-GUTHRIE-CASS-
INCLUDING THE CITIES OF...DENISON...CARROLL...JEFFERSON...BOONE...
AUDUBON...GUTHRIE CENTER...ATLANTIC
1138 AM CST TUE JAN 29 2008

...SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL 4 PM
CST THIS AFTERNOON...

A SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL 4 PM CST
THIS AFTERNOON. 

STRONG NORTHWEST WINDS OF 25 TO 30 MPH WITH AT HIGH AS 40 MPH
WILL COMBINE WITH LIGHT SNOW TO PRODUCE AREAS OF BLOWING SNOW. A
BAND OF HEAVIER SNOW WILL MOVE ACROSS THE AREA THIS AFTERNOON AND
BRING A PERIOD OF AN HOUR OR TWO WITH VISIBILITIES AROUND ONE
QUARTER OF A MILE. NEAR BLIZZARD CONDITIONS COULD RESULT IN OPEN
AREAS AT TIMES. TOTAL SNOW ACCUMULATIONS SHOULD GENERALLY BE
AROUND AN INCH TO TWO INCHES...WITH LOCALLY HIGHER AMOUNTS
POSSIBLE.

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

$$

IAZ048>050-300145-
/O.CON.KDMX.SB.Y.0001.080129T1800Z-080130T0200Z/
STORY-MARSHALL-TAMA-
INCLUDING THE CITIES OF...AMES...MARSHALLTOWN...TOLEDO
1138 AM CST TUE JAN 29 2008

...SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL 8 PM
CST THIS EVENING...

A SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL 8 PM CST
THIS EVENING. 

STRONG NORTHWEST WINDS OF 25 TO 30 MPH WITH AT HIGH AS 40 MPH
WILL COMBINE WITH LIGHT SNOW TO PRODUCE AREAS OF BLOWING SNOW. A
BAND OF HEAVIER SNOW WILL MOVE ACROSS THE AREA THIS AFTERNOON AND
BRING A PERIOD OF AN HOUR OR TWO WITH VISIBILITIES AROUND ONE
QUARTER OF A MILE. NEAR BLIZZARD CONDITIONS CAN BE EXPECTED AT
TIMES IN OPEN AREAS AT TIMES. TOTAL SNOW ACCUMULATIONS SHOULD
GENERALLY BE AROUND AN INCH TO TWO INCHES...WITH LOCALLY HIGHER
AMOUNTS POSSIBLE.

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

$$

IAZ059>062-071>075-081>086-092>097-300145-
/O.CON.KDMX.WW.Y.0002.000000T0000Z-080130T0200Z/
DALLAS-POLK-JASPER-POWESHIEK-ADAIR-MADISON-WARREN-MARION-MAHASKA-
ADAMS-UNION-CLARKE-LUCAS-MONROE-WAPELLO-TAYLOR-RINGGOLD-DECATUR-
WAYNE-APPANOOSE-DAVIS-
INCLUDING THE CITIES OF...ADEL...DES MOINES...NEWTON...GRINNELL...
GREENFIELD...WINTERSET...INDIANOLA...KNOXVILLE...OSKALOOSA...
CORNING...CRESTON...OSCEOLA...CHARITON...ALBIA...OTTUMWA...
BEDFORD...MOUNT AYR...LEON...CORYDON...CENTERVILLE...BLOOMFIELD
1138 AM CST TUE JAN 29 2008

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 PM CST THIS
EVENING...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 PM CST THIS
EVENING. 

A MIXTURE OF SNOW AND SOME FREEZING RAIN WILL TRANSITION TO ALL
SNOW BY MID DAY.  STRONG NORTHWEST WINDS OF 25 TO 30 MPH WITH AT
HIGH AS 40 MPH WILL COMBINE WITH LIGHT SNOW TO PRODUCE AREAS OF
BLOWING SNOW. A BAND OF HEAVIER SNOW WILL MOVE ACROSS THE AREA
THIS AFTERNOON AND BRING A PERIOD OF AN HOUR OR TWO WITH
VISIBILITIES AROUND ONE QUARTER OF A MILE. NEAR BLIZZARD
CONDITIONS COULD RESULT IN OPEN AREAS AT TIMES. TOTAL SNOW
ACCUMULATIONS SHOULD GENERALLY BE AROUND AN INCH TO TWO INCHES...
WITH LOCALLY HIGHER AMOUNTS POSSIBLE.

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

$$
2 follow-up statements
000 
WWUS43 KDMX 292155
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
355 PM CST TUE JAN 29 2008

.THE STORM SYSTEM THAT BROUGHT THE BLIZZARD CONDITIONS WAS OVER
LAKE MICHIGAN THIS EVENING AND WILL MOVE OUT OF THE AREA. ARCTIC
HIGH PRESSURE CENTERED OVER SASKATCHEWAN WILL MOVE INTO THE STATE
LATER TONIGHT.

IAZ004-300600-
/O.EXP.KDMX.SB.Y.0001.000000T0000Z-080129T2200Z/
/O.NEW.KDMX.WC.W.0001.080129T2200Z-080130T1200Z/
/O.EXT.KDMX.WC.Y.0006.000000T0000Z-080129T2200Z/
EMMET-
INCLUDING THE CITY OF...ESTHERVILLE
355 PM CST TUE JAN 29 2008

...WIND CHILL ADVISORY NOW IN EFFECT UNTIL 4 PM CST THIS
AFTERNOON...
...WIND CHILL WARNING IN EFFECT UNTIL 6 AM CST WEDNESDAY...
...SNOW AND BLOWING SNOW ADVISORY WILL EXPIRE AT 4 PM CST THIS
AFTERNOON...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WIND
CHILL WARNING...WHICH IS IN EFFECT UNTIL 6 AM CST WEDNESDAY. THE
SNOW AND BLOWING SNOW ADVISORY WILL EXPIRE AT 4 PM CST THIS
AFTERNOON. THE WIND CHILL ADVISORY IS NOW IN EFFECT UNTIL 4 PM
CST THIS AFTERNOON. 

STRONG NORTHWEST WINDS OF 25 TO 35 MPH WITH OCCASIONAL GUSTS OF
40 TO 45 MPH WILL DIMINISH SLOWLY TONIGHT. THE WINDS WILL DROP OFF
TO 15 TO 25 MPH THIS EVENING...AND TO THE 10 TO 20 MPH RANGE BY
MORNING. THE COMBINATION OF THESE WINDS WITH TEMPERATURES IN THE
10 TO 15 BELOW ZERO RANGE WILL PRODUCE WIND CHILL INDICES IN THE
30 TO 35 BELOW ZERO RANGE.

A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND
STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS
WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF
PRECAUTIONS ARE NOT TAKEN. TAKE PRECAUTIONS TO PROTECT PETS AND
LIVESTOCK.


$$

IAZ044>047-058-300600-
/O.EXP.KDMX.SB.Y.0001.000000T0000Z-080129T2200Z/
/O.EXB.KDMX.WC.Y.0006.080129T2200Z-080130T1200Z/
CRAWFORD-CARROLL-GREENE-BOONE-GUTHRIE-
INCLUDING THE CITIES OF...DENISON...CARROLL...JEFFERSON...BOONE...
GUTHRIE CENTER
355 PM CST TUE JAN 29 2008

...WIND CHILL ADVISORY IN EFFECT UNTIL 6 AM CST WEDNESDAY...
...SNOW AND BLOWING SNOW ADVISORY WILL EXPIRE AT 4 PM CST THIS
AFTERNOON...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WIND
CHILL ADVISORY...WHICH IS IN EFFECT UNTIL 6 AM CST WEDNESDAY. THE
SNOW AND BLOWING SNOW ADVISORY WILL EXPIRE AT 4 PM CST THIS
AFTERNOON. 

STRONG NORTHWEST WINDS OF 25 TO 35 MPH WITH OCCASIONAL GUSTS OF
40 TO 45 MPH WILL DIMINISH SLOWLY TONIGHT. THE WINDS WILL DROP OFF
TO 15 TO 25 MPH THIS EVENING...AND TO THE 10 TO 20 MPH RANGE BY
MORNING. THE COMBINATION OF THESE WINDS WITH TEMPERATURES DROPPING
TO AROUND 10 BELOW ZERO WILL PRODUCE WIND CHILL INDICES IN THE 25
TO 30 BELOW ZERO RANGE.

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

$$

IAZ033>036-300600-
/O.EXP.KDMX.SB.Y.0001.000000T0000Z-080129T2200Z/
/O.CON.KDMX.WC.Y.0006.000000T0000Z-080130T1200Z/
SAC-CALHOUN-WEBSTER-HAMILTON-
INCLUDING THE CITIES OF...SAC CITY...ROCKWELL CITY...FORT DODGE...
WEBSTER CITY
355 PM CST TUE JAN 29 2008

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST
WEDNESDAY...
...SNOW AND BLOWING SNOW ADVISORY WILL EXPIRE AT 4 PM CST THIS
AFTERNOON...

THE SNOW AND BLOWING SNOW ADVISORY WILL EXPIRE AT 4 PM CST THIS
AFTERNOON. A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST
WEDNESDAY. 

STRONG NORTHWEST WINDS OF 25 TO 35 MPH WITH OCCASIONAL GUSTS OF
40 TO 45 MPH WILL DIMINISH SLOWLY TONIGHT. THE WINDS WILL DROP OFF
TO 15 TO 25 MPH THIS EVENING...AND TO THE 10 TO 20 MPH RANGE BY
MORNING. THE COMBINATION OF THESE WINDS WITH TEMPERATURES IN THE
10 TO 15 BELOW ZERO RANGE WILL PRODUCE WIND CHILL INDICES
APPROACHING 30 BELOW ZERO.

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

$$

IAZ057-070-292300-
/O.EXP.KDMX.SB.Y.0001.000000T0000Z-080129T2200Z/
AUDUBON-CASS-
INCLUDING THE CITIES OF...AUDUBON...ATLANTIC
355 PM CST TUE JAN 29 2008

...SNOW AND BLOWING SNOW ADVISORY WILL EXPIRE AT 4 PM CST THIS
AFTERNOON...

THE SNOW AND BLOWING SNOW ADVISORY WILL EXPIRE AT 4 PM CST THIS
AFTERNOON. 

THE SNOW AND BLOWING SNOW ADVISORY WILL EXPIRE AT 4 PM. THE SNOW
HAS MOVED TO THE EAST AND WINDS WILL DIMINISH. SOME DRIFTING WILL
CONTINUE...BUT BLOWING SNOW IS NO LONGER EXPECTED TO BE A PROBLEM.

$$

IAZ005>007-015>017-024>026-300600-
/O.NEW.KDMX.WC.W.0001.080129T2200Z-080130T1200Z/
/O.EXT.KDMX.WC.Y.0006.000000T0000Z-080129T2200Z/
/O.CON.KDMX.BZ.W.0001.000000T0000Z-080130T0000Z/
KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-HUMBOLDT-
WRIGHT-FRANKLIN-
INCLUDING THE CITIES OF...ALGONA...FOREST CITY...NORTHWOOD...
EMMETSBURG...GARNER...MASON CITY...HUMBOLDT...CLARION...HAMPTON
355 PM CST TUE JAN 29 2008

...WIND CHILL ADVISORY NOW IN EFFECT UNTIL 4 PM CST THIS
AFTERNOON...
...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS
AFTERNOON...
...WIND CHILL WARNING IN EFFECT UNTIL 6 AM CST WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WIND
CHILL WARNING...WHICH IS IN EFFECT UNTIL 6 AM CST WEDNESDAY. THE
WIND CHILL ADVISORY IS NOW IN EFFECT UNTIL 4 PM CST THIS
AFTERNOON. A BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 PM CST
THIS AFTERNOON. 

STRONG NORTHWEST WINDS OF 25 TO 35 MPH WITH OCCASIONAL GUSTS OF
40 TO 45 MPH WILL COMBINE WITH LIGHT TO MODERATE SNOW TO CREATE
AREAS OF BLOWING SNOW WITH FREQUENT VISIBILITY TO NEAR ZERO INTO
THE LATE AFTERNOON. IMPROVEMENT IS EXPECTED AFTER 5 PM WITH
VISIBILITY ABOVE A MILE BY SUNSET. TOTAL SNOW ACCUMULATIONS WILL
GENERALLY RANGE FROM AROUND AN INCH TO TWO INCHES...WITH LOCALLY
HIGHER AMOUNTS POSSIBLE.

IN ADDITION...THE STRONG NORTHWEST WINDS WILL DIMINISH SLOWLY
TONIGHT. THE WINDS WILL DROP OFF TO 15 TO 25 MPH THIS
EVENING...AND TO THE 10 TO 20 MPH RANGE BY MORNING. THE
COMBINATION OF THESE WINDS WITH TEMPERATURES IN THE 10 TO 15 BELOW
ZERO RANGE WILL PRODUCE WIND CHILL INDICES IN THE 30 TO 35 BELOW
ZERO RANGE.

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...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET
STRANDED...STAY WITH YOUR VEHICLE.

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

A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND
STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS
WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF
PRECAUTIONS ARE NOT TAKEN. PRECAUTIONS SHOULD BE TAKEN TO PROTECT
PETS AND LIVESTOCK. 

$$

IAZ027-028-037>039-300600-
/O.NEW.KDMX.WC.W.0001.080129T2200Z-080130T1200Z/
/O.EXT.KDMX.WC.Y.0006.000000T0000Z-080129T2200Z/
/O.CON.KDMX.SB.Y.0001.000000T0000Z-080130T0200Z/
BUTLER-BREMER-HARDIN-GRUNDY-BLACK HAWK-
INCLUDING THE CITIES OF...ALLISON...WAVERLY...ELDORA...
GRUNDY CENTER...WATERLOO
355 PM CST TUE JAN 29 2008

...WIND CHILL ADVISORY NOW IN EFFECT UNTIL 4 PM CST THIS
AFTERNOON...
...SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL 8 PM
CST THIS EVENING...
...WIND CHILL WARNING IN EFFECT UNTIL 6 AM CST WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WIND
CHILL WARNING...WHICH IS IN EFFECT UNTIL 6 AM CST WEDNESDAY. THE
WIND CHILL ADVISORY IS NOW IN EFFECT UNTIL 4 PM CST THIS
AFTERNOON. A SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT
UNTIL 8 PM CST THIS EVENING. 

STRONG NORTHWEST WINDS OF 25 TO 35 MPH WITH OCCASIONAL GUSTS OF
40 TO 45 MPH WILL DIMINISH SLOWLY TONIGHT. THE WINDS WILL DROP OFF
TO 15 TO 25 MPH THIS EVENING...AND TO THE 10 TO 20 MPH RANGE BY
MORNING. THE COMBINATION OF THESE WINDS WITH TEMPERATURES IN THE
10 TO 15 BELOW ZERO RANGE WILL PRODUCE WIND CHILL INDICES IN THE
30 TO 35 BELOW ZERO RANGE.

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

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

A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND
STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS
WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF
PRECAUTIONS ARE NOT TAKEN. PRECAUTIONS SHOULD BE TAKEN TO PROTECT
PETS AND LIVESTOCK.

$$

IAZ050-300600-
/O.NEW.KDMX.WC.W.0001.080129T2200Z-080130T1200Z/
/O.CON.KDMX.SB.Y.0001.000000T0000Z-080130T0200Z/
TAMA-
INCLUDING THE CITY OF...TOLEDO
355 PM CST TUE JAN 29 2008

...SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL 8 PM
CST THIS EVENING...
...WIND CHILL WARNING IN EFFECT UNTIL 6 AM CST WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WIND
CHILL WARNING...WHICH IS IN EFFECT UNTIL 6 AM CST WEDNESDAY. A
SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL 8 PM CST
THIS EVENING. 

GUSTY NORTHWEST...COMBINED WITH LIGHT SNOW THIS EVENING WILL
PRODUCE BLOWING AND DRIFTING OF SNOW. VISIBILITIES WILL BE REDUCED
TO AROUND ONE QUARTER OF A MILE AT TIMES IN OPEN AREAS.  

STRONG NORTHWEST WINDS OF 25 TO 35 MPH WITH OCCASIONAL GUSTS OF
40 TO 45 MPH WILL DIMINISH SLOWLY TONIGHT. THE WINDS WILL DROP OFF
TO 15 TO 25 MPH THIS AFTERNOON...AND TO THE 10 TO 20 MPH RANGE BY
MORNING. THE COMBINATION OF THESE WINDS WITH TEMPERATURES IN THE
10 TO 15 BELOW ZERO RANGE WILL PRODUCE WIND CHILL INDICES IN THE
30 TO 35 BELOW ZERO RANGE. 

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

A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND
STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS
WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF
PRECAUTIONS ARE NOT TAKEN.

$$

IAZ023-300600-
/O.CON.KDMX.BZ.W.0001.000000T0000Z-080130T0000Z/
/O.CON.KDMX.WC.Y.0006.000000T0000Z-080130T1200Z/
POCAHONTAS-
INCLUDING THE CITY OF...POCAHONTAS
355 PM CST TUE JAN 29 2008

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS
AFTERNOON...
...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST
WEDNESDAY...

A BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS
AFTERNOON. A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST
WEDNESDAY. 

STRONG NORTHWEST WINDS OF 25 TO 35 MPH WITH OCCASIONAL GUSTS OF
40 TO 45 MPH WILL COMBINE WITH LIGHT TO MODERATE SNOW TO CREATE
AREAS OF BLOWING SNOW WITH FREQUENT VISIBILITY TO NEAR ZERO INTO
THE LATE AFTERNOON. IMPROVEMENT IS EXPECTED AFTER 5 PM WITH
VISIBILITY ABOVE A MILE BY SUNSET. TOTAL SNOW ACCUMULATIONS WILL
GENERALLY RANGE FROM AROUND AN INCH TO TWO INCHES...WITH LOCALLY
HIGHER AMOUNTS POSSIBLE.

IN ADDITION...THE STRONG NORTHWEST WINDS WILL DIMINISH SLOWLY
TONIGHT. THE WINDS WILL DROP OFF TO 15 TO 25 MPH THIS
EVENING...AND TO THE 10 TO 20 MPH RANGE BY MORNING. THE
COMBINATION OF THESE WINDS WITH TEMPERATURES IN THE 10 TO 15 BELOW
ZERO RANGE WILL PRODUCE WIND CHILL INDICES NEAR 30 BELOW ZERO.

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...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET
STRANDED...STAY WITH YOUR VEHICLE.

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

$$

IAZ048-049-300600-
/O.EXB.KDMX.WC.Y.0006.080129T2200Z-080130T1200Z/
/O.CON.KDMX.SB.Y.0001.000000T0000Z-080130T0200Z/
STORY-MARSHALL-
INCLUDING THE CITIES OF...AMES...MARSHALLTOWN
355 PM CST TUE JAN 29 2008

...SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL 8 PM
CST THIS EVENING...
...WIND CHILL ADVISORY IN EFFECT UNTIL 6 AM CST WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WIND
CHILL ADVISORY...WHICH IS IN EFFECT UNTIL 6 AM CST WEDNESDAY. A
SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL 8 PM CST
THIS EVENING. 

GUSTY NORTHWEST...COMBINED WITH LIGHT SNOW THIS EVENING WILL
PRODUCE BLOWING AND DRIFTING OF SNOW. VISIBILITIES WILL BE REDUCED
TO AROUND ONE QUARTER OF A MILE AT TIMES IN OPEN AREAS.  

STRONG NORTHWEST WINDS OF 25 TO 35 MPH WITH OCCASIONAL GUSTS OF
40 TO 45 MPH WILL DIMINISH SLOWLY TONIGHT. THE WINDS WILL DROP OFF
TO 15 TO 25 MPH THIS AFTERNOON...AND TO THE 10 TO 20 MPH RANGE BY
MORNING. THE COMBINATION OF THESE WINDS WITH TEMPERATURES AROUND
10 BELOW ZERO WILL PRODUCE WIND CHILL INDICES IN THE NEAR 30 BELOW
ZERO. 

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

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

$$

IAZ059>062-074-075-300600-
/O.EXB.KDMX.WC.Y.0006.080129T2200Z-080130T1200Z/
/O.CON.KDMX.WW.Y.0002.000000T0000Z-080130T0200Z/
DALLAS-POLK-JASPER-POWESHIEK-MARION-MAHASKA-
INCLUDING THE CITIES OF...ADEL...DES MOINES...NEWTON...GRINNELL...
KNOXVILLE...OSKALOOSA
355 PM CST TUE JAN 29 2008

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 PM CST THIS
EVENING...
...WIND CHILL ADVISORY IN EFFECT UNTIL 6 AM CST WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WIND
CHILL ADVISORY...WHICH IS IN EFFECT UNTIL 6 AM CST WEDNESDAY. A
WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 PM CST THIS
EVENING. 

GUSTY NORTHWEST...COMBINED WITH LIGHT SNOW THIS EVENING WILL
PRODUCE BLOWING AND DRIFTING OF SNOW. VISIBILITIES WILL BE REDUCED
TO AROUND ONE QUARTER OF A MILE AT TIMES IN OPEN AREAS.  

STRONG NORTHWEST WINDS OF 25 TO 35 MPH WITH OCCASIONAL GUSTS OF
40 TO 45 MPH WILL DIMINISH SLOWLY TONIGHT. THE WINDS WILL DROP OFF
TO 15 TO 25 MPH THIS AFTERNOON...AND TO THE 10 TO 20 MPH RANGE BY
MORNING. THE COMBINATION OF THESE WINDS WITH TEMPERATURES IN THE
5 TO 10 BELOW ZERO RANGE WILL PRODUCE WIND CHILL INDICES IN THE
20 TO 30 BELOW ZERO RANGE.

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

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

$$

IAZ071>073-081>086-092>097-300200-
/O.CON.KDMX.WW.Y.0002.000000T0000Z-080130T0200Z/
ADAIR-MADISON-WARREN-ADAMS-UNION-CLARKE-LUCAS-MONROE-WAPELLO-
TAYLOR-RINGGOLD-DECATUR-WAYNE-APPANOOSE-DAVIS-
INCLUDING THE CITIES OF...GREENFIELD...WINTERSET...INDIANOLA...
CORNING...CRESTON...OSCEOLA...CHARITON...ALBIA...OTTUMWA...
BEDFORD...MOUNT AYR...LEON...CORYDON...CENTERVILLE...BLOOMFIELD
355 PM CST TUE JAN 29 2008

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 PM CST THIS
EVENING...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 PM CST THIS
EVENING. 

GUSTY NORTHWEST...COMBINED WITH LIGHT SNOW THIS EVENING WILL
PRODUCE BLOWING AND DRIFTING OF SNOW. VISIBILITIES WILL BE REDUCED
TO AROUND ONE QUARTER OF A MILE AT TIMES IN OPEN AREAS. WINDS WILL
DIMINISH AFTER SUNSET.

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

$$
000 
WWUS43 KDMX 300027
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
627 PM CST TUE JAN 29 2008

.THE LOW PRESSURE SYSTEM THAT BROUGHT IOWA SNOW...STRONG NORTHWEST
WINDS AND BLOWING SNOW WAS OVER THE GREAT LAKES THIS EVENING AND
CONTINUED TO MOVE AWAY FROM THE AREA. NO ADDITIONAL SNOW IS
ANTICIPATED...BUT AREAS OF BLOWING SNOW AND BITTER COLD WIND
CHILLS WILL CONTINUE. WIND CHILL ADVISORIES...WIND CHILL
WARNINGS...AND BLOWING SNOW ADVISORIES REMAIN IN EFFECT FOR MUCH
OF CENTRAL AND NORTHERN IOWA. ALL OTHER ADVISORIES AND WARNINGS
HAVE EITHER EXPIRED OR BEEN CANCELLED.

IAZ005>007-016-017-024>026-300330-
/O.EXP.KDMX.BZ.W.0001.000000T0000Z-080130T0000Z/
/O.NEW.KDMX.BS.Y.0003.080130T0027Z-080130T0600Z/
/O.CON.KDMX.WC.W.0001.000000T0000Z-080130T1200Z/
KOSSUTH-WINNEBAGO-WORTH-HANCOCK-CERRO GORDO-HUMBOLDT-WRIGHT-
FRANKLIN-
INCLUDING THE CITIES OF...ALGONA...FOREST CITY...NORTHWOOD...
GARNER...MASON CITY...HUMBOLDT...CLARION...HAMPTON
627 PM CST TUE JAN 29 2008

...BLOWING SNOW ADVISORY IN EFFECT UNTIL MIDNIGHT CST TONIGHT...
...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 6 AM CST
WEDNESDAY...
...BLIZZARD WARNING HAS EXPIRED...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A BLOWING
SNOW ADVISORY...WHICH IS IN EFFECT UNTIL MIDNIGHT CST TONIGHT.
THE BLIZZARD WARNING IS NO LONGER IN EFFECT. A WIND CHILL WARNING
REMAINS IN EFFECT UNTIL 6 AM CST WEDNESDAY. 

NO ADDITIONAL SNOW WILL FALL TONIGHT...BUT SNOW THAT HAS ALREADY
OCCURRED WILL STILL BLOW AROUND QUITE A BIT. STRONG NORTHWEST
WINDS OF 20 TO 35 MPH WILL PRODUCE BLOWING SNOW AND REDUCE
VISIBILITY TO A MILE OR LESS...ESPECIALLY IN OPEN AREAS. ROADS MAY
BE SNOW COVERED AND DRIFTED AS WELL PRODUCING HAZARDOUS DRIVING
CONDITIONS.

IF THE BLOWING SNOW WAS NOT ENOUGH...THE STRONG NORTHWEST WIND
WILL COMBINE WITH TEMPERATURES IN THE SINGLE DIGITS BELOW ZERO TO
GENERATE WIND CHILLS IN THE 20S AND EVEN LOWER 30S BELOW ZERO
THROUGHOUT THE EVENING.

A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND
STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS
WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF
PRECAUTIONS ARE NOT TAKEN.

A BLOWING SNOW ADVISORY MEANS THAT VISIBILITIES WILL BE LIMITED
DUE TO STRONG WINDS BLOWING SNOW AROUND. USE CAUTION WHEN
TRAVELING...ESPECIALLY IN OPEN AREAS.

$$

IAZ015-300330-
/O.EXP.KDMX.BZ.W.0001.000000T0000Z-080130T0000Z/
/O.CON.KDMX.WC.W.0001.000000T0000Z-080130T1200Z/
PALO ALTO-
INCLUDING THE CITY OF...EMMETSBURG
627 PM CST TUE JAN 29 2008

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 6 AM CST
WEDNESDAY...
...BLIZZARD WARNING HAS EXPIRED...

THE BLIZZARD WARNING IS NO LONGER IN EFFECT. A WIND CHILL WARNING
REMAINS IN EFFECT UNTIL 6 AM CST WEDNESDAY. 

NO ADDITIONAL SNOW WILL FALL TONIGHT...BUT SNOW THAT HAS ALREADY
OCCURRED WILL STILL BLOW AROUND SOMEWHAT. STRONG NORTHWEST WINDS
OF 20 TO 30 MPH WILL PRODUCE MINOR AREAS OF BLOWING
SNOW...ESPECIALLY IN OPEN AREAS.

IF THE BLOWING SNOW WAS NOT ENOUGH...THE STRONG NORTHWEST WIND
WILL COMBINE WITH TEMPERATURES IN THE SINGLE DIGITS BELOW ZERO TO
GENERATE WIND CHILLS IN THE 20S AND EVEN LOWER 30S BELOW ZERO
THROUGHOUT THE EVENING.

A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND
STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS
WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF
PRECAUTIONS ARE NOT TAKEN.

$$

IAZ023-300330-
/O.EXP.KDMX.BZ.W.0001.000000T0000Z-080130T0000Z/
/O.CON.KDMX.WC.Y.0006.000000T0000Z-080130T1200Z/
POCAHONTAS-
INCLUDING THE CITY OF...POCAHONTAS
627 PM CST TUE JAN 29 2008

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST
WEDNESDAY...
...BLIZZARD WARNING HAS EXPIRED...

THE BLIZZARD WARNING IS NO LONGER IN EFFECT. A WIND CHILL
ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST WEDNESDAY. 

NO ADDITIONAL SNOW WILL FALL TONIGHT...BUT SNOW THAT HAS ALREADY
OCCURRED WILL STILL BLOW AROUND SOMEWHAT. STRONG NORTHWEST WINDS
OF 20 TO 30 MPH WILL PRODUCE MINOR AREAS OF BLOWING
SNOW...ESPECIALLY IN OPEN AREAS.

IF THE BLOWING SNOW WAS NOT ENOUGH...THE STRONG NORTHWEST WIND
WILL COMBINE WITH TEMPERATURES IN THE SINGLE DIGITS BELOW ZERO TO
GENERATE WIND CHILLS IN THE 20S AND EVEN LOWER 30S BELOW ZERO
THROUGHOUT THE EVENING.

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

$$

IAZ027-028-037>039-050-300330-
/O.CAN.KDMX.SB.Y.0001.000000T0000Z-080130T0200Z/
/O.NEW.KDMX.BS.Y.0003.080130T0027Z-080130T0600Z/
/O.CON.KDMX.WC.W.0001.000000T0000Z-080130T1200Z/
BUTLER-BREMER-HARDIN-GRUNDY-BLACK HAWK-TAMA-
INCLUDING THE CITIES OF...ALLISON...WAVERLY...ELDORA...
GRUNDY CENTER...WATERLOO...TOLEDO
627 PM CST TUE JAN 29 2008

...BLOWING SNOW ADVISORY IN EFFECT UNTIL MIDNIGHT CST TONIGHT...
...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 6 AM CST
WEDNESDAY...
...SNOW AND BLOWING SNOW ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A BLOWING
SNOW ADVISORY...WHICH IS IN EFFECT UNTIL MIDNIGHT CST TONIGHT.
THE SNOW AND BLOWING SNOW ADVISORY HAS BEEN CANCELLED. A WIND
CHILL WARNING REMAINS IN EFFECT UNTIL 6 AM CST WEDNESDAY. 

NO ADDITIONAL SNOW WILL FALL TONIGHT...BUT SNOW THAT HAS ALREADY
OCCURRED WILL STILL BLOW AROUND QUITE A BIT. STRONG NORTHWEST
WINDS OF 20 TO 35 MPH WILL PRODUCE BLOWING SNOW AND REDUCE
VISIBILITY TO A MILE OR LESS...ESPECIALLY IN OPEN AREAS. ROADS MAY
BE SNOW COVERED AND DRIFTED AS WELL PRODUCING HAZARDOUS DRIVING
CONDITIONS. 

IF THE BLOWING SNOW WAS NOT ENOUGH...THE STRONG NORTHWEST WIND
WILL COMBINE WITH TEMPERATURES IN THE SINGLE DIGITS BELOW ZERO TO
GENERATE WIND CHILLS IN THE 20S AND EVEN LOWER 30S BELOW ZERO
THROUGHOUT THE EVENING.

A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND
STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS
WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF
PRECAUTIONS ARE NOT TAKEN.

A BLOWING SNOW ADVISORY MEANS THAT VISIBILITIES WILL BE LIMITED
DUE TO STRONG WINDS BLOWING SNOW AROUND. USE CAUTION WHEN
TRAVELING...ESPECIALLY IN OPEN AREAS.

$$

IAZ048-049-300330-
/O.CAN.KDMX.SB.Y.0001.000000T0000Z-080130T0200Z/
/O.NEW.KDMX.BS.Y.0003.080130T0027Z-080130T0600Z/
/O.CON.KDMX.WC.Y.0006.000000T0000Z-080130T1200Z/
STORY-MARSHALL-
INCLUDING THE CITIES OF...AMES...MARSHALLTOWN
627 PM CST TUE JAN 29 2008

...BLOWING SNOW ADVISORY IN EFFECT UNTIL MIDNIGHT CST TONIGHT...
...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST
WEDNESDAY...
...SNOW AND BLOWING SNOW ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A BLOWING
SNOW ADVISORY...WHICH IS IN EFFECT UNTIL MIDNIGHT CST TONIGHT.
THE SNOW AND BLOWING SNOW ADVISORY HAS BEEN CANCELLED. A WIND
CHILL ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST WEDNESDAY. 

NO ADDITIONAL SNOW WILL FALL TONIGHT...BUT SNOW THAT HAS ALREADY
OCCURRED WILL STILL BLOW AROUND QUITE A BIT. STRONG NORTHWEST
WINDS OF 20 TO 35 MPH WILL PRODUCE BLOWING SNOW AND REDUCE
VISIBILITY TO A MILE OR LESS...ESPECIALLY IN OPEN AREAS. ROADS MAY
BE SNOW COVERED AND DRIFTED AS WELL PRODUCING HAZARDOUS DRIVING
CONDITIONS. 

IF THE BLOWING SNOW WAS NOT ENOUGH...THE STRONG NORTHWEST WIND
WILL COMBINE WITH TEMPERATURES IN THE SINGLE DIGITS ABOVE AND
BELOW ZERO TO GENERATE WIND CHILLS FROM 20 BELOW TO 30 BELOW ZERO
THROUGHOUT THE EVENING.

A BLOWING SNOW ADVISORY MEANS THAT VISIBILITIES WILL BE LIMITED
DUE TO STRONG WINDS BLOWING SNOW AROUND. USE CAUTION WHEN
TRAVELING...ESPECIALLY IN OPEN AREAS.

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

$$

IAZ061-062-300330-
/O.CAN.KDMX.WW.Y.0002.000000T0000Z-080130T0200Z/
/O.NEW.KDMX.BS.Y.0003.080130T0027Z-080130T0600Z/
/O.CON.KDMX.WC.Y.0006.000000T0000Z-080130T1200Z/
JASPER-POWESHIEK-
INCLUDING THE CITIES OF...NEWTON...GRINNELL
627 PM CST TUE JAN 29 2008

...BLOWING SNOW ADVISORY IN EFFECT UNTIL MIDNIGHT CST TONIGHT...
...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST
WEDNESDAY...
...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A BLOWING
SNOW ADVISORY...WHICH IS IN EFFECT UNTIL MIDNIGHT CST TONIGHT.
THE WINTER WEATHER ADVISORY HAS BEEN CANCELLED. A WIND CHILL
ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST WEDNESDAY. 

NO ADDITIONAL SNOW WILL FALL TONIGHT...BUT SNOW THAT HAS ALREADY
OCCURRED WILL STILL BLOW AROUND QUITE A BIT. STRONG NORTHWEST
WINDS OF 20 TO 35 MPH WILL PRODUCE BLOWING SNOW AND REDUCE
VISIBILITY TO A MILE OR LESS...ESPECIALLY IN OPEN AREAS. ROADS MAY
BE SNOW COVERED AND DRIFTED AS WELL PRODUCING HAZARDOUS DRIVING
CONDITIONS. 

IF THE BLOWING SNOW WAS NOT ENOUGH...THE STRONG NORTHWEST WIND
WILL COMBINE WITH TEMPERATURES IN THE SINGLE DIGITS ABOVE AND
BELOW ZERO TO GENERATE WIND CHILLS FROM 20 BELOW TO 30 BELOW ZERO
THROUGHOUT THE EVENING.

A BLOWING SNOW ADVISORY MEANS THAT VISIBILITIES WILL BE LIMITED
DUE TO STRONG WINDS BLOWING SNOW AROUND. USE CAUTION WHEN
TRAVELING...ESPECIALLY IN OPEN AREAS.

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

$$

IAZ059-060-074-075-300330-
/O.CAN.KDMX.WW.Y.0002.000000T0000Z-080130T0200Z/
/O.CON.KDMX.WC.Y.0006.000000T0000Z-080130T1200Z/
DALLAS-POLK-MARION-MAHASKA-
INCLUDING THE CITIES OF...ADEL...DES MOINES...KNOXVILLE...
OSKALOOSA
627 PM CST TUE JAN 29 2008

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST
WEDNESDAY...
...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS CANCELLED THE
WINTER WEATHER ADVISORY. A WIND CHILL ADVISORY REMAINS IN EFFECT
UNTIL 6 AM CST WEDNESDAY. 

NO ADDITIONAL SNOW WILL FALL TONIGHT...BUT SNOW THAT HAS ALREADY
OCCURRED WILL STILL BLOW AROUND SOMEWHAT. STRONG NORTHWEST WINDS
OF 20 TO 30 MPH WILL PRODUCE MINOR AREAS OF BLOWING
SNOW...ESPECIALLY IN OPEN AREAS.

STRONG NORTHWEST WINDS WILL ALSO COMBINE WITH TEMPERATURES IN THE
SINGLE DIGITS ABOVE AND BELOW ZERO TO GENERATE WIND CHILLS IN THE
UPPER TEENS AND 20S BELOW ZERO THROUGHOUT THE EVENING.

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

$$

IAZ071>073-081>086-092>097-300130-
/O.CAN.KDMX.WW.Y.0002.000000T0000Z-080130T0200Z/
ADAIR-MADISON-WARREN-ADAMS-UNION-CLARKE-LUCAS-MONROE-WAPELLO-
TAYLOR-RINGGOLD-DECATUR-WAYNE-APPANOOSE-DAVIS-
INCLUDING THE CITIES OF...GREENFIELD...WINTERSET...INDIANOLA...
CORNING...CRESTON...OSCEOLA...CHARITON...ALBIA...OTTUMWA...
BEDFORD...MOUNT AYR...LEON...CORYDON...CENTERVILLE...BLOOMFIELD
627 PM CST TUE JAN 29 2008

...WINTER WEATHER ADVISORY IS CANCELLED...

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

MINOR AREAS OF BLOWING SNOW MAY OCCUR TONIGHT...MAINLY IN OPEN AREAS...BUT
THEY ARE NOT EXPECTED TO BE SIGNIFICANT ENOUGH TO MEET ADVISORY
CRITERIA. NO ADDITIONAL SNOWS WILL OCCUR.

$$

IAZ004-300330-
/O.CON.KDMX.WC.W.0001.000000T0000Z-080130T1200Z/
EMMET-
INCLUDING THE CITY OF...ESTHERVILLE
627 PM CST TUE JAN 29 2008

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 6 AM CST
WEDNESDAY...

A WIND CHILL WARNING REMAINS IN EFFECT UNTIL 6 AM CST WEDNESDAY. 

NO ADDITIONAL SNOW WILL FALL TONIGHT...BUT SNOW THAT HAS ALREADY
OCCURRED WILL STILL BLOW AROUND SOMEWHAT. STRONG NORTHWEST WINDS
OF 20 TO 30 MPH WILL PRODUCE AREAS OF BLOWING SNOW...ESPECIALLY
IN OPEN AREAS.

IF THE BLOWING SNOW WAS NOT ENOUGH...THE STRONG NORTHWEST WIND
WILL COMBINE WITH TEMPERATURES IN THE SINGLE DIGITS BELOW ZERO TO
GENERATE WIND CHILLS IN THE 20S AND EVEN LOWER 30S BELOW ZERO
THROUGHOUT THE EVENING.

A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND
STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS
WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF
PRECAUTIONS ARE NOT TAKEN. TAKE PRECAUTIONS TO PROTECT PETS AND
LIVESTOCK.

$$

IAZ035-036-046-047-300330-
/O.NEW.KDMX.BS.Y.0003.080130T0027Z-080130T0600Z/
/O.CON.KDMX.WC.Y.0006.000000T0000Z-080130T1200Z/
WEBSTER-HAMILTON-GREENE-BOONE-
INCLUDING THE CITIES OF...FORT DODGE...WEBSTER CITY...JEFFERSON...
BOONE
627 PM CST TUE JAN 29 2008

...BLOWING SNOW ADVISORY IN EFFECT UNTIL MIDNIGHT CST TONIGHT...
...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST
WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A BLOWING
SNOW ADVISORY...WHICH IS IN EFFECT UNTIL MIDNIGHT CST TONIGHT. A
WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST WEDNESDAY. 

NO ADDITIONAL SNOW WILL FALL TONIGHT...BUT SNOW THAT HAS ALREADY
OCCURRED WILL STILL BLOW AROUND QUITE A BIT. STRONG NORTHWEST
WINDS OF 20 TO 35 MPH WILL PRODUCE BLOWING SNOW AND REDUCE
VISIBILITY TO A MILE OR LESS...ESPECIALLY IN OPEN AREAS. ROADS MAY
BE SNOW COVERED AND DRIFTED AS WELL PRODUCING HAZARDOUS DRIVING
CONDITIONS.

IF THE BLOWING SNOW WAS NOT ENOUGH...THE STRONG NORTHWEST WIND
WILL COMBINE WITH TEMPERATURES IN THE SINGLE DIGITS ABOVE AND
BELOW ZERO TO GENERATE WIND CHILLS FROM 20 BELOW TO 30 BELOW ZERO
THROUGHOUT THE EVENING.

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

A BLOWING SNOW ADVISORY MEANS THAT VISIBILITIES WILL BE LIMITED
DUE TO STRONG WINDS BLOWING SNOW AROUND. USE CAUTION WHEN
TRAVELING...ESPECIALLY IN OPEN AREAS.

$$

IAZ033-034-044-045-058-300330-
/O.CON.KDMX.WC.Y.0006.000000T0000Z-080130T1200Z/
SAC-CALHOUN-CRAWFORD-CARROLL-GUTHRIE-
INCLUDING THE CITIES OF...SAC CITY...ROCKWELL CITY...DENISON...
CARROLL...GUTHRIE CENTER
627 PM CST TUE JAN 29 2008

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST
WEDNESDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST WEDNESDAY.

NO ADDITIONAL SNOW WILL FALL TONIGHT...BUT SNOW THAT HAS ALREADY
OCCURRED WILL STILL BLOW AROUND SOMEWHAT. STRONG NORTHWEST WINDS
OF 20 TO 30 MPH WILL PRODUCE MINOR AREAS OF BLOWING
SNOW...ESPECIALLY IN OPEN AREAS.

STRONG NORTHWEST WINDS WILL ALSO COMBINE WITH TEMPERATURES IN THE
SINGLE DIGITS ABOVE AND BELOW ZERO TO GENERATE WIND CHILLS IN THE
UPPER TEENS AND 20S BELOW ZERO THROUGHOUT THE EVENING.

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

$$

SMALL

What forecasters said that day

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

NWS Des Moines, IA wrote its last area forecast discussion before this blizzard warning went out at Jan 29, 8:27 AM CST, 3 hours 11 minutes earlier.

Area forecast discussion, Jan 29, 8:27 AM CST, 3 hours 11 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE DES MOINES IA
827 AM CST TUE JAN 29 2008

UPDATED FOR CHANGES TO WSW...

SHORT TERM...
ARCTIC FRONT TO BLAST THROUGH THE AREA TODAY...BRINGING MULTITUDE OF
WINTER WEATHER CONCERNS. ASSOCIATED UPPER LEVEL WAVE CURRENTLY
PUSHING OUT OF THE WESTERN HIGH PLAINS AREA...AND WILL SWING
EASTWARD TODAY. CENTER OF SFC LOW CURRENTLY OVER GREAT LAKES
REGION...WITH THE SFC TROUGH AXIS EXTENDING SOUTHWARD THROUGH
EASTERN/SOUTH CENTRAL IOWA. INITIAL SFC FRONT TO TO BE THROUGH MOST
OF CWA BY 12Z...WITH STRONG PUSH OF COLD AIR/GUSTY WINDS LAGGING
SLIGHTLY BEHIND INITIAL WIND SHIFT. BIG STORY TODAY WILL BE STRONG
WINDS ON THE BACKSIDE OF THE SFC LOW...COMBINING WITH LIGHT SNOW
THAT IS EXPECTED TO DEVELOP WITH THE PASSAGE OF THE UPPER LEVEL
WAVE. RADAR RETURNS INCREASING SOMEWHAT ACROSS CENTRAL NEBRASKA
BENEATH MAIN AREA OF FRONTOGENESIS ADVERTISED BY THE MODELS...EXPECT
THIS AREA TO INCREASE IN COVERAGE WITHIN THE NEXT FEW HOURS AS IT
SLIDES EASTWARD WITH THE UPPER LOW. LATEST NAM MORE IN LINE WITH THE
GFS/EC INDICATING PRECIPITATION MAXIMUM OVER THE W/NW CWA THIS
MORNING BENEATH STRONGER AREA OF FRONTOGENESIS ALOFT. QG FORCING
ALSO STRONGER IN THAT AREA THIS AM...WEAKENING INTO THE AFTERNOON
HOURS AS THE WAVE SLIDES EASTWARD. THEREFORE HAVE GREATEST SNOW
AMOUNTS ACROSS THE WESTERN CWA...TRENDING LIGHTER TOWARD THE EAST.
COBB OUTPUT INDICATES NEARLY 13 TO 16:1 SNOW RATIOS THROUGH THE
MORNING...INCREASING TO 20 TO 22:1 INTO THE AFTERNOON HOURS AS
COLDER AIR CONTINUES TO SINK SOUTHWARD. THEREFORE END UP WITH AROUND
AN INCH MOST SITES...WITH AROUND 2 INCHES ACROSS THE FAR NORTHWEST.
WILL HAVE TO MONITOR SNOW AMOUNTS...AS MODELS DO SUGGEST HIGHER QPF
WHICH COULD LEAD TO NEARLY 3 INCHES OR MORE ACROSS THE AREA
ESPECIALLY IF SNOW RATIOS ARE SLIGHTLY HIGHER THAN EXPECTED.
THEREFORE WITH COMBINATION OF SNOW/VERY STRONG WINDS WITH ADVISORY
CRITERIA EXPECTED TO BE MET AT ALL SITES EXPECT GREATLY REDUCED
VSBYS THROUGHOUT MUCH OF THE AREA. KEY WILL BE HOW MUCH SNOW/HOW LOW
VSBYS GO...AS EXPECT FREQUENT GUSTS TO 35 MPH OR MORE...SO WILL HAVE
TO MONITOR AS IF SNOW AMOUNTS SOMEWHAT HIGHER...MAY END UP WITH NEAR
BLIZZARD CONDITIONS IN AREAS THROUGHOUT THE DAY. THEREFORE WILL
ISSUE A SNOW AND BLOWING SNOW ADVISORY FOR THE AREA. AS FOR
TEMPS...STRONG CAA TO CREATE FALLING TEMPS THROUGH THE DAY. H85
TEMPS FALL FROM NEAR 0C AT 12Z THIS MORNING TO -20C BY 00Z
WEDNESDAY. STRONG WINDS WILL ALSO COMBINE WITH THE COLDER TEMPS TO
CREATE DANGEROUS WIND CHILLS SO WILL ALSO HAVE A WIND CHILL ADVISORY
OUT ACROSS THE NORTH INTO THE AFTERNOON HOURS.

LONG TERM...
AS INTENSE STORM SYSTEM EXITS THIS EVENING...ARCTIC AIRMASS AND HIGH
PRESSURE RIDGE MOVES DIRECTLY OVER IA...RESULTING IN A DIMINISHING
WIND AND VERY COLD TEMPERATURES. NOT MUCH BREAK IN THE ACTION
WEDNESDAY AS NEXT SYSTEM CURRENTLY APPROACHING THE PAC NW WILL DIP
OVER THE CENTRAL AND SOUTHERN ROCKIES. MODELS IN FAIRLY GOOD
AGREEMENT WITH SOUTHERN PART OF TROUGH REMAINING DOMINATE FEATURE
AND SPINNING UP A SFC CYCLONE THAT TRACKS SOUTHEAST ALONG THE FRONT
RANGE INTO THE TX PANHANDLE BY WED EVENING...WITH INVERTED TROUGH
EXTENDING NORTHEAST INTO VICINITY OF CENTRAL IA. WITH ELEVATED
FRONTOGENESIS...QG FORCING AND ISENTROPIC LIFT OF SOME MAGNITUDE
EXPECTED TO MOVE ACROSS IA WED NIGHT INTO EARLY THURSDAY...WILL
MAINTAIN AT LEAST CHC POPS EVERYWHERE EXCEPT ACROSS THE NORTHWEST
WHERE HAVE RAISED POPS TO LIKELY. QPF SHOULD BE LIGHT AND THERE IS
STILL THE QUESTION OF HOW QUICKLY THE COLUMN WILL BE ABLE TO
SATURATE...BUT THERE IS NOW ENOUGH EVIDENCE TO SUGGEST A LIGHT
SNOWFALL IS BECOMING INCREASINGLY LIKELY.

BEYOND THURSDAY...TEMPERATURES WILL CONTINUE TO MODERATE BACK ABOVE
SEASONAL NORMS AS WEST TO SOUTHWEST FLOW ALOFT SETS UP ACROSS THE
CENTRAL CONUS. MODELS CONTINUE TO HAVE A HARD TIME RESOLVING
INDIVIDUAL FEATURES IN THE ACTIVE WESTERLIES...SO CONFIDENCE IN
PRECIP CHANCES ARE LOW. GEM/EC SHOW A STRONGER WAVE AND SFC
REFLECTION CRUISING OVER OR NEAR IA SATURDAY...PROVIDING A CHANCE OF
SNOW TO NORTHERN SECTIONS. A MORE SIGNIFICANT UPPER LEVEL TROUGH
HEADS INTO THE PLAINS EARLY NEXT WEEK. GFS HAS BEEN HAVING
DIFFICULTY WITH WHICH PART OF TROUGH TO EMPHASIZE...NOW SHOWING A
SINGLE...MUCH FARTHER NORTH...SFC LOW MOVING ACROSS NRN MN ON
MONDAY. MEANWHILE...EC HAS BEEN A LITTLE MORE CONSISTENT WITH A MORE
SOUTHERN LOW PRESSURE SYSTEM WHICH COULD LEAD TO A MORE SIGNIFICANT
SNOWFALL FOR CENTRAL IA SUNDAY NIGHT INTO MONDAY. STILL MUCH TO BE
IRONED OUT SO STAY TUNED.

AVIATION...29/12Z
ARCTIC FRONT NEARLY THROUGH ENTIRE CWA WITH WINDS AT ALL TERMINAL
SITES NOW OUT OF THE NORTHWEST. GRADIENT TO CONTINUE TO TIGHTEN
THROUGH THE DAY...WITH COLD AIR ADVECTION ALLOWING WINDS TO KICK UP
TO 25 TO 35 MPH WITH GUSTS TO 45 MPH OR HIGHER EXPECTED THROUGH MUCH
OF THE DAY. LIGHT SNOW CURRENTLY BEING REPORTED ACROSS NORTHWESTERN
IOWA AND EASTERN NEBRASKA...WITH THE AREA OF SNOW TO SPREAD EASTWARD
WITH TIME. MVFR CEILINGS EXPECTED THROUGH THE CRITICAL TAF
PERIOD...WITH IFR/LIFR VSBYS POSSIBLE DUE TO SNOW AND BLOWING SNOW
EXPECTED BY MID/LATE MORNING ACROSS THE NRN TAF SITES...AND INTO THE
AFTERNOON HOURS AT KDSM AND KOTM. SNOW TO HAVE PUSHED EAST OF THE
AREA BY LATE AFTERNOON/EARLY EVENING WITH SKIES CLEARING TONIGHT.
WINDS TO REMAIN STRONG....AND SLOWLY DIMINISH TONIGHT.

&&

.DMX WATCHES/WARNINGS/ADVISORIES...
WINTER WEATHER ADVISORY UNTIL 8 PM CST THIS EVENING FOR ADAIR-
ADAMS-APPANOOSE-CLARKE-DALLAS-DAVIS-DECATUR-JASPER-LUCAS-MADISON-
MAHASKA-MARION-MONROE-POLK-POWESHIEK-RINGGOLD-TAYLOR-UNION-
WAPELLO-WARREN-WAYNE.

WIND ADVISORY UNTIL NOON CST TODAY FOR ADAIR-ADAMS-APPANOOSE-
BLACK HAWK-BREMER-BUTLER-CLARKE-DALLAS-DAVIS-DECATUR-GRUNDY-
HARDIN-JASPER-LUCAS-MADISON-MAHASKA-MARION-MARSHALL-MONROE-POLK-
POWESHIEK-RINGGOLD-STORY-TAMA-TAYLOR-UNION-WAPELLO-WARREN-WAYNE.

SNOW AND BLOWING SNOW ADVISORY UNTIL 4 PM CST THIS AFTERNOON FOR
AUDUBON-BOONE-CALHOUN-CARROLL-CASS-CERRO GORDO-CRAWFORD-EMMET-
FRANKLIN-GREENE-GUTHRIE-HAMILTON-HANCOCK-HUMBOLDT-KOSSUTH-PALO
ALTO-POCAHONTAS-SAC-WEBSTER-WINNEBAGO-WORTH-WRIGHT.

SNOW AND BLOWING SNOW ADVISORY FROM NOON TODAY TO 8 PM CST THIS
EVENING FOR BLACK HAWK-BREMER-BUTLER-GRUNDY-HARDIN-MARSHALL-
STORY-TAMA.

WIND CHILL ADVISORY FROM NOON TODAY TO 6 AM CST WEDNESDAY FOR
BLACK HAWK-BREMER-BUTLER-CALHOUN-CERRO GORDO-EMMET-FRANKLIN-
GRUNDY-HAMILTON-HANCOCK-HARDIN-HUMBOLDT-KOSSUTH-PALO ALTO-
POCAHONTAS-SAC-WEBSTER-WINNEBAGO-WORTH-WRIGHT.

&&

SHORT TERM/AVIATION...ALBRECHT
LONG TERM...MOYER
Hazardous weather outlook, Jan 29, 7:57 AM CST, 3 hours 41 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE DES MOINES IA
757 AM CST TUE JAN 29 2008

IAZ004>007-015>017-023>026-033>036-044>047-057-058-070-301100-
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-SAC-CALHOUN-WEBSTER-HAMILTON-
CRAWFORD-CARROLL-GREENE-BOONE-AUDUBON-GUTHRIE-CASS-
757 AM CST TUE JAN 29 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL IOWA.

.DAY ONE...TODAY AND TONIGHT

A SNOW AND BLOWING SNOW ADVISORY IS IN EFFECT THROUGH 4 PM THIS
AFTERNOON FOR THE COMBINED EFFECTS OF STRONG NORTHWEST WINDS
GUSTING TO 45 MPH AND FALLING SNOW...REDUCING VISIBILITY TO ONE
HALF MILE OR LESS AT TIMES. A WIND CHILL ADVISORY IS IN EFFECT
FROM NOON TODAY THROUGH TONIGHT ALONG AND NORTH OF HIGHWAY 20 FOR
WIND CHILL READINGS OF 20 BELOW TO 30 BELOW ZERO. PLEASE REFER TO
THE NATIONAL WEATHER SERVICE WEBSITE AT WEATHER.GOV/DESMOINES FOR
FURTHER DETAILS.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED...HOWEVER REPORTS OF
SNOWFALL AND STRONG WINDS ARE ENCOURAGED AND APPRECIATED.

IAZ027-028-037>039-048>050-301100-
BUTLER-BREMER-HARDIN-GRUNDY-BLACK HAWK-STORY-MARSHALL-TAMA-
757 AM CST TUE JAN 29 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL IOWA.

.DAY ONE...TODAY AND TONIGHT

A WIND ADVISORY IS IN EFFECT UNTIL NOON TODAY FOR STRONG NORTHWEST
WINDS 25 TO 35 MPH AND GUSTS TO 45 MPH. A SNOW AND BLOWING SNOW
ADVISORY IS IN EFFECT FROM NOON TODAY THROUGH 8 PM TONIGHT FOR THE
COMBINED EFFECTS OF STRONG NORTHWEST WINDS GUSTING TO 45 MPH AND
FALLING SNOW...REDUCING VISIBILITY TO ONE HALF MILE OR LESS AT
TIMES. A WIND CHILL ADVISORY IS IN EFFECT FROM NOON TODAY THROUGH
TONIGHT ALONG AND NORTH OF HIGHWAY 20 FOR WIND CHILL READINGS OF
20 BELOW TO 30 BELOW ZERO. PLEASE REFER TO THE NATIONAL WEATHER
SERVICE WEBSITE AT WEATHER.GOV/DESMOINES FOR FURTHER DETAILS.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED...HOWEVER REPORTS OF
SNOWFALL AND STRONG WINDS ARE ENCOURAGED AND APPRECIATED.

IAZ059>062-071>075-081>086-092>097-301100-
DALLAS-POLK-JASPER-POWESHIEK-ADAIR-MADISON-WARREN-MARION-MAHASKA-
ADAMS-UNION-CLARKE-LUCAS-MONROE-WAPELLO-TAYLOR-RINGGOLD-DECATUR-
WAYNE-APPANOOSE-DAVIS-
757 AM CST TUE JAN 29 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL IOWA.

.DAY ONE...TODAY AND TONIGHT

A WIND ADVISORY IS IN EFFECT UNTIL NOON TODAY FOR STRONG NORTHWEST
WINDS 25 TO 35 MPH AND GUSTS TO 45 MPH. A WINTER WEATHER ADVISORY
IS IN EFFECT THROUGH 8 PM TONIGHT FREEZING DRIZZLE THROUGH THE
MORNING HOURS THEN WITH THE COMBINED EFFECTS OF STRONG NORTHWEST
WINDS GUSTING TO 45 TO 50 MPH AND FALLING SNOW...REDUCING
VISIBILITY TO ONE HALF MILE OR LESS AT TIMES. A WIND CHILL
ADVISORY IS IN EFFECT FROM NOON TODAY THROUGH TONIGHT ALONG AND
NORTH OF HIGHWAY 20 FOR WIND CHILL READINGS OF 20 BELOW TO 30
BELOW ZERO. PLEASE REFER TO THE NATIONAL WEATHER SERVICE WEBSITE
AT WEATHER.GOV/DESMOINES FOR FURTHER DETAILS.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED...HOWEVER REPORTS OF
SNOWFALL AND STRONG WINDS ARE ENCOURAGED AND APPRECIATED.

ALBRECHT

In the hours before

Local storm report, Jan 29, 11:14 AM CST, 24 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
1114 AM CST TUE JAN 29 2008

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1111 AM     SNOW             POCAHONTAS              42.74N 94.67W
01/29/2008  E2.0 INCH        POCAHONTAS         IA   CO-OP OBSERVER

            FROM THE POCAHONTAS WATER TREATMENT PLANT. NEAR WHITE OUT
            CONDITIONS AT TIMES. SNOW DRIFTS UP TO 1.5 FT HIGH.

1111 AM     SNOW             HUMBOLDT                42.72N 94.22W
01/29/2008  E1.0 INCH        HUMBOLDT           IA   CO-OP OBSERVER

            UP TO ONE INCH OF SNOW. VISIBILITIES RANGING FROM 50 FT
            TO 1 MILE.

1111 AM     SNOW             JOLLEY                  42.48N 94.72W
01/29/2008  M0.4 INCH        CALHOUN            IA   TRAINED SPOTTER

            VISIBILITY DOWN TO 1/8TH MILE AND SOME DRIFTING BEGINNING
            TO OCCUR.

&&

RDONAVON
Local storm report, Jan 29, 11:17 AM CST, 21 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
1117 AM CST TUE JAN 29 2008

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1115 AM     SNOW             MASON CITY              43.15N 93.20W
01/29/2008  E0.5 INCH        CERRO GORDO        IA   DEPT OF HIGHWAYS

            CERRO GORDO COUNTY IDOT REPORTING ZERO VISIBILITY AT
            TIMES.

&&

RK
Local storm report, Jan 29, 11:19 AM CST, 19 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
1119 AM CST TUE JAN 29 2008

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1115 AM     SNOW             HAMPTON                 42.74N 93.20W
01/29/2008  E1.0 INCH        FRANKLIN           IA   LAW ENFORCEMENT

            ONE INCH OR LESS OF SNOW WITH ZERO VISIBILITY AT TIMES.

&&

RK
Local storm report, Jan 29, 11:24 AM CST, 14 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
1124 AM CST TUE JAN 29 2008

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1121 AM     SNOW             ALGONA                  43.07N 94.23W
01/29/2008  E2.0 INCH        KOSSUTH            IA   DEPT OF HIGHWAYS

            KOSSUTH IDOT REPORTS 1 TO 2 INCHES OF SNOW ACROSS THE
            COUNTY. VISIBILITIES REDUCED TO 3 CAR LENGTHS AT TIMES.

&&

RDONAVON
Local storm report, Jan 29, 11:30 AM CST, 8 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
1130 AM CST TUE JAN 29 2008

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1129 AM     SNOW             CLARION                 42.73N 93.73W
01/29/2008  E1.0 INCH        WRIGHT             IA   DEPT OF HIGHWAYS

            WRIGHT COUNTY IDOT REPORTING ONE INCH OR LESS OF SNOW
            WITH ZERO VISIBILITY AT TIMES.

&&

RK
Local storm report, Jan 29, 11:31 AM CST, 7 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
1131 AM CST TUE JAN 29 2008

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1131 AM     SNOW             EMMETSBURG              43.11N 94.68W
01/29/2008  E1.0 INCH        PALO ALTO          IA   DEPT OF HIGHWAYS

            PALO ALTO IDOT REPORTS UP TO ONE INCH OF SNOW ACROSS THE
            COUNTY. VISIBILITIES LOW AND RANGE FROM 1/8TH TO 1/16TH
            OF A MILE.

&&

RDONAVON

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 29, 4:25 AM CSTSnow and Blowing Snow AdvisoryDMXAdair, Adams, Appanoose, Audubon, Black Hawk, Boone and 45 more14 hr
Jan 29, 4:25 AM CSTWind Chill AdvisoryDMXBlack Hawk, Boone, Bremer, Butler, Calhoun, Carroll and 28 more28 hr
Jan 29, 6:43 AM CSTRiver Flood WarningDMXLucas10 hr
Jan 29, 7:39 AM CSTWinter Weather AdvisoryDMXAdair, Adams, Appanoose, Clarke, Dallas, Davis and 15 more11 hr
Jan 29, 3:55 PM CSTWind Chill WarningDMXBlack Hawk, Bremer, Butler, Cerro Gordo, Emmet, Franklin and 10 more16 hr

Nearby

Blizzard Warnings in Iowa, 2008Every blizzard warning in 2008

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.