Alert archive / Iowa / Blizzard Warnings in 2008

Blizzard Warning 2, NWS Des Moines, IA

February 17, 200839 counties in Iowa

NWS Des Moines, IA issued this blizzard warning at Feb 17, 2008, 3:46 AM CST for 39 counties in Iowa. It took effect at Feb 17, 2008, 6:00 AM CST. It was in force for 7 hr. 50 reports came from inside the area while it was in force.

The area

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

The facts

Issued
Feb 17, 2008, 3:46 AM CST (09:46 UTC)
In effect from
Feb 17, 2008, 6:00 AM CST
Expired
Feb 17, 2008, 1:24 PM CST
In force
7 hr
Issued by
NWS Des Moines, IA
All 39 counties

Adair County, IA, Adams County, IA, Appanoose County, IA, Audubon County, IA, Black Hawk County, IA, Boone County, IA, Bremer County, IA, Butler County, IA, Cass County, IA, Cerro Gordo County, IA, Clarke County, IA, Dallas County, IA, Davis County, IA, Decatur County, IA, Franklin County, IA, Greene County, IA, Grundy County, IA, Guthrie County, IA, Hamilton County, IA, Hardin County, IA, Jasper County, IA, Lucas County, IA, Madison County, IA, Mahaska County, IA, Marion County, IA, Marshall County, IA, Monroe County, IA, Polk County, IA, Poweshiek County, IA, Ringgold County, IA, Story County, IA, Tama County, IA, Taylor County, IA, Union County, IA, Wapello County, IA, Warren County, IA, Wayne County, IA, Webster County, IA, Wright County, IA

The radar

The Des Moines radar (KDMX), 19 km from the middle of the area, began a volume at 09:47 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Feb 17, 6:26 AM CSTFREEZING RAIN 0Chariton, IAICY BUT LIMITED ICE ACCUMULATIONS.
Feb 17, 6:28 AM CSTFREEZING RAIN 0.1Corydon, IAICE ON SIDEWALKS ESTIMATED LESS THAN .10 INCHES
Feb 17, 6:30 AM CSTFREEZING RAIN 0.1Lamoni, IASLICK SPOTS ON AREA ROADS...ESTIMATED LESS THAN .10 INCHES
Feb 17, 6:32 AM CSTFREEZING RAIN 0.1Osceola, IASLICK TO ICY...GRAVEL ROADS SLICK
Feb 17, 6:35 AM CSTFREEZING RAIN 0.1Creston, IALIGHT ICE ACCUMULATION...NOW CHANGED OVER TO SNOW.
Feb 17, 6:38 AM CSTFREEZING RAIN 0.1Mount Ayr, IAFREEZING RAIN COVERING MOST EVERYTHING...SLEET NOW
Feb 17, 6:42 AM CSTFREEZING RAIN 0Winterset, IAGRAVEL 100 ICE COVERED...STEETS ICY. NO CURRENT DEPTH OF ICE ACCUMULATION.
Feb 17, 6:44 AM CSTFREEZING RAIN 0.13Newton, IAONE EIGHTH INCH OF ICE AND SLUSH...SLEET AND FREEZING RAIN FALLING
Feb 17, 6:48 AM CSTFREEZING RAIN 0.25Dysart, IAICE ACCUMULATION REPORTED TO BE NEAR .25 INCHES ACROSS NORTHERN TAMA COUNTY.
Feb 17, 6:48 AM CSTFREEZING RAIN 0.25Tama, IAICE AND SLEET ACCUMULATION OF ONE HALF INCH REPORTED FROM TAMA AREA SOUTH TO COUNTY BORDER...SNOWING PRESENTLY
Feb 17, 7:22 AM CSTSNOW 1Lorimor, IAVERY LIGHT ICE ACCUMULATION BEFORE THE SNOWFALL.
Feb 17, 7:34 AM CSTFREEZING RAIN 0.1Albia, IA1/10TH INCH ICE ACCUMULATION COATING TREES AND POWER LINES. SNOWING NOW.
Feb 17, 8:10 AM CSTFREEZING RAIN 0.512 Ese Knoxville, IATRACY...IOWA IN MARION COUNTY REPORTS .50INCHES ICE/SLEET COMBINATION OVERNIGHT. REPORTED BY WARREN CO EM.
Feb 17, 8:30 AM CSTSNOW 22 S Lamoni, IA1/16 MILE VISIBILITY ALONG INTERSTATE 35 NEAR THE MISSOURI BORDER.
Feb 17, 8:42 AM CSTSNOW 0.8Johnston, IA
Feb 17, 8:45 AM CSTSNOW 0.5Jamaica, IA
Feb 17, 8:49 AM CSTSNOW 1.3Albia, IA
Feb 17, 9:22 AM CSTSNOW 1Cedar Falls, IAKWWL
Feb 17, 9:22 AM CSTSNOW 2Des Moines, IAKCCI STUDIOS
Feb 17, 9:52 AM CSTSNOW 1West Des Moines, IAWOI STUDIOS.
Feb 17, 11:02 AM CSTSNOW 1Greenfield, IALAW CENTER REPORTS 1 INCH OF NEW SNOW
Feb 17, 11:11 AM CSTSNOW 22 N Knoxville Airport, IA
Feb 17, 11:19 AM CSTSNOW 4Indianola, IAEM MEASURED 4 INCHES...CITY WIDE
Feb 17, 11:25 AM CSTSNOW 3.5Cedar Falls, IAKWWL REMOTE.
Feb 17, 11:25 AM CSTSNOW 4Oskaloosa, IA
Feb 17, 11:26 AM CSTSNOW 4Brooklyn, IA
Feb 17, 11:29 AM CSTSNOW 2Bloomfield, IA
Feb 17, 11:30 AM CSTSNOW 3Waverly, IAKWWL REMOTE
Feb 17, 11:35 AM CSTSNOW 5Corydon, IASTILL SNOWING...BLOWING...1/4 TO 1/2 MILE VIS AT 1205 PM
Feb 17, 11:39 AM CSTSNOW 4Grinnell, IAGRINNELL COLLEGE SECURITY...4 INCHES WITH BLOWINGS SNOW.
Feb 17, 11:52 AM CSTSNOW 3.5Slater, IAMOD SNOW CONTINUES WITH BLOWING SNOW.
Feb 17, 11:59 AM CSTSNOW 4Oskaloosa, IAESTIMATE FOR COUNTY.
Feb 17, 12:00 PM CSTSNOW 1.1Mason City, IAKIMT
Feb 17, 12:00 PM CSTSNOW 2.2Johnston, IAAT NWS OFFICE.
Feb 17, 12:00 PM CSTSNOW 5.5Des Moines, IAAT DES MOINES INTERNATIONAL AIRPORT.
Feb 17, 12:12 PM CSTSNOW 3.5Leon, IA3 TO 4 INCHES WITH VISBYS IN THE 1/4 TO 1/2 MILE RANGE.
Feb 17, 12:16 PM CSTSNOW 3.5Woodburn, IA
Feb 17, 12:53 PM CSTSNOW 1Boone, IASNOW AND BLOWING SNOW.
Feb 17, 12:54 PM CSTSNOW 1Guthrie Center, IA1 TO 1.5 INCHES...ICY ROADS...BLOWING SNOW...AND GROUND BLIZZARD.
Feb 17, 12:56 PM CSTSNOW 1.5Adel, IA1 TO 2 INCHES COUNTY WIDE.
Feb 17, 1:00 PM CSTSNOW 3.52 Ene Urbandale, IA
Feb 17, 1:06 PM CSTSNOW 6Ottumwa, IASNOW AND BLOWING SNOW.
Feb 17, 1:10 PM CSTSNOW 3Creston, IASTRONG WINDS...LOW VISIBILITY...BLOWING SNOW...DRIFTING ...DIFFICULT TIME KEEPING HIGHWAY 34 CLEAR OF BLOWING SNOW
Feb 17, 1:16 PM CSTSNOW 3Dike, IA
Feb 17, 1:19 PM CSTSNOW 2.5Dallas Center, IABLOWING SNOW WITH GROUND BLIZZARD CONDITIONS IN OPEN AREAS. ZERO VISIBILITY AT TIMES. SLUSH ON ROADS.
Feb 17, 1:23 PM CSTSNOW 5Albia, IAHEAVY SNOW REPORTED WITH LOW VISIBILITY. BLOWING AND DRIFTING SNOW...SNOW COVERED ROADS.
Feb 17, 1:27 PM CSTSNOW 13 Nne Ames, IA0.07 SNOW WATER EQUIVALENT
Feb 17, 1:27 PM CSTSNOW 14 Ese Boone Airport, IAVISIBILITY 1/2 TO 3/4 MILE IN OPEN RURAL AREAS.
Feb 17, 1:28 PM CSTSNOW 32 Sw Clive, IA
Feb 17, 1:32 PM CSTSNOW 47 E New Virginia, IALIGHT SNOW IS STILL FALLING WITH A TEMP OF 32 DEGREES.

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

The nearest sounding before it

Omaha, NE (KOAX), launched 00:00Z, 9.8 hours before the alert went out and 241 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Omaha, NE at 00:00Z on 2008-02-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Omaha, NE at 00:00Z on 2008-02-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 190 square meters per square second.1939587897117136Sfc1 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
1009 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
190 m²/s²
0-3 km storm-relative helicity
200 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 170946
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
346 AM CST SUN FEB 17 2008

...SIGNIFICANT ICING FOLLOWED BY BLIZZARD CONDITIONS TODAY...

.A POTENT WINTER STORM WILL PUSH NORTHEAST THROUGH THE REGION TODAY.
EXPECT SIGNIFICANT ICE ACCUMULATIONS THROUGH MID MORNING ACROSS
CENTRAL AND SOUTHERN IOWA...FOLLOWED BY SNOW AND BLIZZARD
CONDITIONS EXTENDING INTO NORTHERN IOWA.

IAZ033-044-171100-
/O.CAN.KDMX.BZ.A.0001.080217T1500Z-080218T0600Z/
SAC-CRAWFORD-
INCLUDING THE CITIES OF...SAC CITY...DENISON
346 AM CST SUN FEB 17 2008

...BLIZZARD WATCH IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS CANCELLED THE
BLIZZARD WATCH. 

EXPECT A STRONG NORTHWEST WIND TODAY. HOWEVER...SNOWFALL AMOUNTS
WILL BE VERY LIGHT AND WIDESPREAD BLOWING SNOW AND REDUCED
VISIBILITY ARE NOT EXPECTED.

$$

IAZ028-038-039-048>050-058>062-070>075-081>086-092>097-171800-
/O.UPG.KDMX.BZ.A.0001.080217T1500Z-080218T0600Z/
/O.NEW.KDMX.BZ.W.0002.080217T1500Z-080218T0600Z/
/O.CON.KDMX.WS.W.0002.000000T0000Z-080217T1500Z/
BREMER-GRUNDY-BLACK HAWK-STORY-MARSHALL-TAMA-GUTHRIE-DALLAS-POLK-
JASPER-POWESHIEK-CASS-ADAIR-MADISON-WARREN-MARION-MAHASKA-ADAMS-
UNION-CLARKE-LUCAS-MONROE-WAPELLO-TAYLOR-RINGGOLD-DECATUR-WAYNE-
APPANOOSE-DAVIS-
INCLUDING THE CITIES OF...WAVERLY...GRUNDY CENTER...WATERLOO...
AMES...MARSHALLTOWN...TOLEDO...GUTHRIE CENTER...ADEL...
DES MOINES...NEWTON...GRINNELL...ATLANTIC...GREENFIELD...
WINTERSET...INDIANOLA...KNOXVILLE...OSKALOOSA...CORNING...
CRESTON...OSCEOLA...CHARITON...ALBIA...OTTUMWA...BEDFORD...
MOUNT AYR...LEON...CORYDON...CENTERVILLE...BLOOMFIELD
346 AM CST SUN FEB 17 2008

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 AM CST THIS
MORNING...
...BLIZZARD WARNING IN EFFECT FROM 9 AM THIS MORNING TO MIDNIGHT
CST TONIGHT...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A BLIZZARD
WARNING...WHICH IS IN EFFECT FROM 9 AM THIS MORNING TO MIDNIGHT
CST TONIGHT. A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 AM
CST THIS MORNING.

RAIN AND FREEZING RAIN...MIXED WITH SLEET AT TIMES...WILL CONTINUE
THIS MORNING. ICE ACCUMULATIONS AROUND A QUARTER INCH...AND
LOCALLY HIGHER...ARE EXPECTED ACROSS MUCH OF THE AREA THROUGH MID MORNING.

PRECIPITATION WILL CHANGE OVER TO ALL SNOW BETWEEN 6 AM AND 9 AM
THIS MORNING. TOTAL SNOWFALL OF 4 TO 8 INCHES IS EXPECTED BY THIS
EVENING. A NORTHWEST WIND WILL INCREASE THIS MORNING AND CONTINUE
THROUGH THE EVENING HOURS. EXPECT SUSTAINED SPEEDS OF 25 TO 35
MPH...WITH GUSTS AROUND 50 MPH AT TIMES. THIS WILL CREATE
SIGNIFICANT BLOWING AND DRIFTING SNOW...WITH WHITEOUT CONDITIONS
AT TIMES...ESPECIALLY IN OPEN AREAS. IN ADDITION...THE COMBINATION
OF ICE ACCRETION ON POWER LINES AND THE HIGH WINDS COULD CAUSE POWER
OUTAGES.

EMERGENCY MANAGEMENT OFFICIALS ARE ADVISING PEOPLE TO BE SURE
THEY HAVE A SUPPLY OF BATTERIES AND OTHER PROVISIONS. ALSO IT IS
SUGGESTED TO HAVE PORTABLE RADIOS AND BLANKETS ON HAND AS AN
EXTENDED PERIOD WITHOUT POWER IS POSSIBLE.

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO
POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

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.

$$

IAZ017-025>027-035>037-046-047-057-171800-
/O.UPG.KDMX.BZ.A.0001.080217T1500Z-080218T0600Z/
/O.NEW.KDMX.BZ.W.0002.080217T1200Z-080218T0600Z/
CERRO GORDO-WRIGHT-FRANKLIN-BUTLER-WEBSTER-HAMILTON-HARDIN-GREENE-
BOONE-AUDUBON-
INCLUDING THE CITIES OF...MASON CITY...CLARION...HAMPTON...
ALLISON...FORT DODGE...WEBSTER CITY...ELDORA...JEFFERSON...
BOONE...AUDUBON
346 AM CST SUN FEB 17 2008

...BLIZZARD WARNING IN EFFECT UNTIL MIDNIGHT CST TONIGHT...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A BLIZZARD
WARNING...WHICH IS IN EFFECT UNTIL MIDNIGHT CST TONIGHT. T

A WINTRY MIX OF PRECIPITATION WILL CHANGE OVER TO ALL SNOW THIS
MORNING. TOTAL SNOWFALL OF 2 TO 6 INCHES IS EXPECTED BY THIS
EVENING. A NORTHWEST WIND WILL INCREASE THIS MORNING AND CONTINUE
THROUGH THE EVENING HOURS. EXPECT SUSTAINED SPEEDS OF 25 TO 35
MPH...WITH GUSTS AROUND 50 MPH AT TIMES. THIS WILL CREATE
SIGNIFICANT BLOWING AND DRIFTING SNOW...WITH WHITEOUT CONDITIONS
AT TIMES...ESPECIALLY IN OPEN AREAS.

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.

$$

IAZ016-023-024-034-045-171800-
/O.UPG.KDMX.BZ.A.0001.080217T1500Z-080218T0600Z/
/O.NEW.KDMX.SB.Y.0003.080217T1200Z-080218T0000Z/
HANCOCK-POCAHONTAS-HUMBOLDT-CALHOUN-CARROLL-
INCLUDING THE CITIES OF...GARNER...POCAHONTAS...HUMBOLDT...
ROCKWELL CITY...CARROLL
346 AM CST SUN FEB 17 2008

...SNOW AND BLOWING SNOW ADVISORY IN EFFECT UNTIL 6 PM CST THIS
AFTERNOON...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A SNOW AND
BLOWING SNOW ADVISORY...WHICH IS IN EFFECT UNTIL 6 PM CST THIS
AFTERNOON. 

SNOW WILL DEVELOP THIS MORNING ALONG WITH AN INCREASING
NORTHWEST WIND AND CONTINUE THROUGH THE EVENING HOURS. EXPECT
SUSTAINED SPEEDS OF 25 TO 35 MPH...WITH GUSTS TO AROUND 50 MPH AT
TIMES...WHICH WILL CREATE SIGNIFICANT BLOWING AND DRIFTING SNOW.
VISIBILITIES WILL DROP BELOW ONE QUARTER MILE AT TIMES...WITH
BRIEF PERIODS OF NEAR WHITEOUT CONDITIONS POSSIBLE IN OPEN AREAS.
TOTAL SNOWFALL AMOUNTS OF 1 TO 3 INCHES ARE EXPECTED BY THIS EVENING.

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.

$$

IAZ005>007-171800-
/O.NEW.KDMX.SB.Y.0003.080217T1200Z-080218T0000Z/
KOSSUTH-WINNEBAGO-WORTH-
INCLUDING THE CITIES OF...ALGONA...FOREST CITY...NORTHWOOD
346 AM CST SUN FEB 17 2008

...SNOW AND BLOWING SNOW ADVISORY IN EFFECT UNTIL 6 PM CST THIS
AFTERNOON...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A SNOW AND
BLOWING SNOW ADVISORY...WHICH IS IN EFFECT UNTIL 6 PM CST THIS
AFTERNOON. 

SNOW WILL DEVELOP THIS MORNING ALONG WITH AN INCREASING
NORTHWEST WIND AND CONTINUE THROUGH THE EVENING HOURS. EXPECT
SUSTAINED SPEEDS OF 25 TO 35 MPH...WITH GUSTS TO AROUND 50 MPH AT
TIMES...WHICH WILL CREATE SIGNIFICANT BLOWING AND DRIFTING SNOW.
VISIBILITIES WILL DROP BELOW ONE QUARTER MILE AT TIMES...WITH
BRIEF PERIODS OF NEAR WHITEOUT CONDITIONS POSSIBLE IN OPEN AREAS.
TOTAL SNOWFALL AMOUNTS OF 1 TO 3 INCHES ARE EXPECTED BY THIS EVENING.

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.

$$

KINNEY
5 follow-up statements
000 
WWUS43 KDMX 171037
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
437 AM CST SUN FEB 17 2008

...SIGNIFICANT ICING FOLLOWED BY BLIZZARD CONDITIONS TODAY...

.A POTENT WINTER STORM WILL PUSH NORTHEAST THROUGH THE REGION
TODAY. EXPECT SIGNIFICANT ICE ACCUMULATIONS THROUGH MID MORNING
ACROSS CENTRAL AND SOUTHERN IOWA...FOLLOWED BY SNOW AND BLIZZARD
CONDITIONS EXTENDING INTO NORTHERN IOWA.

IAZ028-038-039-048>050-058>062-070>075-081>086-092>097-171845-
/O.CON.KDMX.WS.W.0002.000000T0000Z-080217T1500Z/
/O.CON.KDMX.BZ.W.0002.080217T1500Z-080218T0600Z/
BREMER-GRUNDY-BLACK HAWK-STORY-MARSHALL-TAMA-GUTHRIE-DALLAS-POLK-
JASPER-POWESHIEK-CASS-ADAIR-MADISON-WARREN-MARION-MAHASKA-ADAMS-
UNION-CLARKE-LUCAS-MONROE-WAPELLO-TAYLOR-RINGGOLD-DECATUR-WAYNE-
APPANOOSE-DAVIS-
INCLUDING THE CITIES OF...WAVERLY...GRUNDY CENTER...WATERLOO...
AMES...MARSHALLTOWN...TOLEDO...GUTHRIE CENTER...ADEL...
DES MOINES...NEWTON...GRINNELL...ATLANTIC...GREENFIELD...
WINTERSET...INDIANOLA...KNOXVILLE...OSKALOOSA...CORNING...
CRESTON...OSCEOLA...CHARITON...ALBIA...OTTUMWA...BEDFORD...
MOUNT AYR...LEON...CORYDON...CENTERVILLE...BLOOMFIELD
437 AM CST SUN FEB 17 2008

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 AM CST THIS
MORNING...
...BLIZZARD WARNING REMAINS IN EFFECT FROM 9 AM THIS MORNING TO
MIDNIGHT CST TONIGHT...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 AM CST THIS
MORNING. A BLIZZARD WARNING REMAINS IN EFFECT FROM 9 AM THIS
MORNING TO MIDNIGHT CST TONIGHT. 

RAIN AND FREEZING RAIN...MIXED WITH SLEET AT TIMES...WILL
CONTINUE THIS MORNING. ICE ACCUMULATIONS AROUND A QUARTER INCH...
AND LOCALLY HIGHER...ARE EXPECTED ACROSS MUCH OF THE AREA THROUGH
MID MORNING.

PRECIPITATION WILL CHANGE OVER TO ALL SNOW BETWEEN 6 AM AND 9 AM
THIS MORNING. TOTAL SNOWFALL OF 4 TO 8 INCHES IS EXPECTED BY THIS
EVENING. A NORTHWEST WIND WILL INCREASE THIS MORNING AND CONTINUE
THROUGH THE EVENING HOURS. EXPECT SUSTAINED SPEEDS OF 25 TO
35 MPH...WITH GUSTS AROUND 50 MPH AT TIMES. THIS WILL CREATE
SIGNIFICANT BLOWING AND DRIFTING SNOW...WITH WHITEOUT CONDITIONS
AT TIMES...ESPECIALLY IN OPEN AREAS. IN ADDITION...THE
COMBINATION OF ICE ACCRETION ON POWER LINES AND THE HIGH WINDS
COULD CAUSE POWER OUTAGES.

EMERGENCY MANAGEMENT OFFICIALS ARE ADVISING PEOPLE TO BE SURE
THEY HAVE A SUPPLY OF BATTERIES AND OTHER PROVISIONS. ALSO IT IS
SUGGESTED TO HAVE PORTABLE RADIOS AND BLANKETS ON HAND AS AN
EXTENDED PERIOD WITHOUT POWER IS POSSIBLE.

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO
POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

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.

$$

IAZ017-025>027-035>037-046-047-057-171845-
/O.CON.KDMX.BZ.W.0002.080217T1200Z-080218T0600Z/
CERRO GORDO-WRIGHT-FRANKLIN-BUTLER-WEBSTER-HAMILTON-HARDIN-GREENE-
BOONE-AUDUBON-
INCLUDING THE CITIES OF...MASON CITY...CLARION...HAMPTON...
ALLISON...FORT DODGE...WEBSTER CITY...ELDORA...JEFFERSON...
BOONE...AUDUBON
437 AM CST SUN FEB 17 2008

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CST
TONIGHT...

A BLIZZARD WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT. 

A WINTRY MIX OF PRECIPITATION WILL CHANGE OVER TO ALL SNOW THIS
MORNING. TOTAL SNOWFALL OF 2 TO 6 INCHES IS EXPECTED BY THIS
EVENING. A NORTHWEST WIND WILL INCREASE THIS MORNING AND CONTINUE
THROUGH THE EVENING HOURS. EXPECT SUSTAINED SPEEDS OF 25 TO
35 MPH...WITH GUSTS AROUND 50 MPH AT TIMES. THIS WILL CREATE
SIGNIFICANT BLOWING AND DRIFTING SNOW...WITH WHITEOUT CONDITIONS
AT TIMES...ESPECIALLY IN OPEN AREAS.

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.

$$

IAZ005>007-016-023-024-034-045-171845-
/O.CON.KDMX.SB.Y.0003.080217T1200Z-080218T0000Z/
KOSSUTH-WINNEBAGO-WORTH-HANCOCK-POCAHONTAS-HUMBOLDT-CALHOUN-
CARROLL-
INCLUDING THE CITIES OF...ALGONA...FOREST CITY...NORTHWOOD...
GARNER...POCAHONTAS...HUMBOLDT...ROCKWELL CITY...CARROLL
437 AM CST SUN FEB 17 2008

...SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL 6 PM
CST THIS AFTERNOON...

A SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST
THIS AFTERNOON. 

SNOW WILL DEVELOP THIS MORNING ALONG WITH AN INCREASING NORTHWEST
WIND AND CONTINUE THROUGH THE EVENING HOURS. EXPECT SUSTAINED
SPEEDS OF 25 TO 35 MPH...WITH GUSTS TO AROUND 50 MPH AT TIMES...
WHICH WILL CREATE SIGNIFICANT BLOWING AND DRIFTING SNOW.
VISIBILITIES WILL DROP BELOW ONE QUARTER MILE AT TIMES...WITH
BRIEF PERIODS OF NEAR WHITEOUT CONDITIONS POSSIBLE IN OPEN AREAS.
TOTAL SNOWFALL AMOUNTS OF 1 TO 3 INCHES ARE EXPECTED BY THIS
EVENING.

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.

$$

KINNEY
000 
WWUS43 KDMX 171502
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
902 AM CST SUN FEB 17 2008

.A POTENT WINTER STORM WILL PUSH NORTHEAST THROUGH THE REGION
TODAY. THE FREEZING RAIN HAS MOVED TO THE EAST OF THE AREA. SNOW
AND BLIZZARD CONDITIONS ARE EXPECTED THROUGH THE DAY INTO THE
EVENING.

IAZ028-038-039-048>050-058>062-070>075-081>086-092>097-172315-
/O.EXP.KDMX.WS.W.0002.000000T0000Z-080217T1500Z/
/O.CON.KDMX.BZ.W.0002.000000T0000Z-080218T0600Z/
BREMER-GRUNDY-BLACK HAWK-STORY-MARSHALL-TAMA-GUTHRIE-DALLAS-POLK-
JASPER-POWESHIEK-CASS-ADAIR-MADISON-WARREN-MARION-MAHASKA-ADAMS-
UNION-CLARKE-LUCAS-MONROE-WAPELLO-TAYLOR-RINGGOLD-DECATUR-WAYNE-
APPANOOSE-DAVIS-
INCLUDING THE CITIES OF...WAVERLY...GRUNDY CENTER...WATERLOO...
AMES...MARSHALLTOWN...TOLEDO...GUTHRIE CENTER...ADEL...
DES MOINES...NEWTON...GRINNELL...ATLANTIC...GREENFIELD...
WINTERSET...INDIANOLA...KNOXVILLE...OSKALOOSA...CORNING...
CRESTON...OSCEOLA...CHARITON...ALBIA...OTTUMWA...BEDFORD...
MOUNT AYR...LEON...CORYDON...CENTERVILLE...BLOOMFIELD
902 AM CST SUN FEB 17 2008

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CST
TONIGHT...
...WINTER STORM WARNING WILL EXPIRE AT 9 AM CST THIS MORNING...

THE WINTER STORM WARNING WILL EXPIRE AT 9 AM CST THIS MORNING. A
BLIZZARD WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT. 

THE FREEZING RAIN HAS CHANGED TO SNOW OVER THE AREA. SNOW WILL
CONTINUE INTO THE EARLY AFTERNOON HOURS BEFORE IT BEGINS TO TAPER
OFF. TOTAL SNOWFALL OF 4 TO 8 INCHES IS EXPECTED BY THIS EVENING.
A NORTHWEST WIND WILL INCREASE AND CONTINUE THROUGH THE EVENING
HOURS. EXPECT SUSTAINED SPEEDS OF 25 TO 35 MPH...WITH GUSTS AROUND
50 MPH AT TIMES. THIS WILL CREATE SIGNIFICANT BLOWING AND DRIFTING
SNOW...WITH WHITEOUT CONDITIONS AT TIMES...ESPECIALLY IN OPEN
AREAS. IN ADDITION...THE COMBINATION OF ICE ACCRETION ON POWER
LINES AND THE HIGH WINDS COULD CAUSE POWER OUTAGES.

EMERGENCY MANAGEMENT OFFICIALS ARE ADVISING PEOPLE TO BE SURE
THEY HAVE A SUPPLY OF BATTERIES AND OTHER PROVISIONS. ALSO IT IS
SUGGESTED TO HAVE PORTABLE RADIOS AND BLANKETS ON HAND AS AN
EXTENDED PERIOD WITHOUT POWER IS POSSIBLE.

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.

$$

IAZ017-025>027-035>037-046-047-057-172315-
/O.CON.KDMX.BZ.W.0002.000000T0000Z-080218T0600Z/
CERRO GORDO-WRIGHT-FRANKLIN-BUTLER-WEBSTER-HAMILTON-HARDIN-GREENE-
BOONE-AUDUBON-
INCLUDING THE CITIES OF...MASON CITY...CLARION...HAMPTON...
ALLISON...FORT DODGE...WEBSTER CITY...ELDORA...JEFFERSON...
BOONE...AUDUBON
902 AM CST SUN FEB 17 2008

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CST
TONIGHT...

A BLIZZARD WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT. 

MIXED PRECIPITATION HAS CHANGED TO ALL SNOW. TOTAL SNOWFALL OF 2
TO 6 INCHES CAN BE EXPECTED BY THIS EVENING. A NORTHWEST WIND
WILL INCREASE AND CONTINUE THROUGH THE EVENING HOURS. EXPECT
SUSTAINED SPEEDS OF 25 TO 35 MPH...WITH GUSTS AROUND 50 MPH AT
TIMES. THIS WILL CREATE SIGNIFICANT BLOWING AND DRIFTING
SNOW...WITH WHITEOUT CONDITIONS AT TIMES...ESPECIALLY IN OPEN
AREAS.

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.

$$

IAZ005>007-016-023-024-034-045-172315-
/O.CON.KDMX.SB.Y.0003.000000T0000Z-080218T0000Z/
KOSSUTH-WINNEBAGO-WORTH-HANCOCK-POCAHONTAS-HUMBOLDT-CALHOUN-
CARROLL-
INCLUDING THE CITIES OF...ALGONA...FOREST CITY...NORTHWOOD...
GARNER...POCAHONTAS...HUMBOLDT...ROCKWELL CITY...CARROLL
902 AM CST SUN FEB 17 2008

...SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL 6 PM
CST THIS AFTERNOON...

A SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST
THIS AFTERNOON. 

LIGHT SNOW WILL CONTINUE...ALONG WITH INCREASING WINDS. EXPECT
SUSTAINED SPEEDS OF 25 TO 35 MPH...WITH GUSTS TO AROUND 50 MPH AT
TIMES... WHICH WILL CREATE SIGNIFICANT BLOWING AND DRIFTING SNOW.
VISIBILITIES WILL DROP BELOW ONE QUARTER MILE AT TIMES...WITH
BRIEF PERIODS OF NEAR WHITEOUT CONDITIONS POSSIBLE IN OPEN AREAS.
TOTAL SNOWFALL AMOUNTS OF 1 TO 3 INCHES ARE EXPECTED BY THIS
EVENING.

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.

$$
000 
WWUS43 KDMX 171653
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
1053 AM CST SUN FEB 17 2008

.A POTENT WINTER STORM WILL PUSH NORTHEAST THROUGH THE REGION
THIS AFTERNOON...BE OVER NORTHERN LOWER MICHIGAN TONIGHT. SNOW
AND BLIZZARD CONDITIONS ARE EXPECTED THROUGH THE DAY INTO THE
EVENING.

IAZ017-025>027-035>037-046-047-057-180100-
/O.CON.KDMX.BZ.W.0002.000000T0000Z-080218T0600Z/
CERRO GORDO-WRIGHT-FRANKLIN-BUTLER-WEBSTER-HAMILTON-HARDIN-GREENE-
BOONE-AUDUBON-
INCLUDING THE CITIES OF...MASON CITY...CLARION...HAMPTON...
ALLISON...FORT DODGE...WEBSTER CITY...ELDORA...JEFFERSON...
BOONE...AUDUBON
1053 AM CST SUN FEB 17 2008

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CST
TONIGHT...

A BLIZZARD WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT. 

MIXED PRECIPITATION HAS CHANGED TO ALL SNOW. TOTAL SNOWFALL OF
2 TO 4 INCHES CAN BE EXPECTED BY THIS EVENING...WITH ISOLATED
AMOUNTS OF UP TO 6 INCHES. SNOW INTENSITY WILL DROP OFF RAPIDLY
DURING THE EARLY AFTERNOON. A NORTHWEST WIND OF 25 TO 35
MPH...WITH GUSTS TO AROUND 50 MPH AT TIMES...CAN BE EXPECTED INTO
THE EVENING. THIS WILL CREATE SIGNIFICANT BLOWING AND DRIFTING
SNOW... WITH WHITEOUT CONDITIONS AT TIMES...ESPECIALLY IN OPEN
AREAS.

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.

$$

IAZ028-038-039-048>050-058>062-070>075-081>086-092>097-180100-
/O.CON.KDMX.BZ.W.0002.000000T0000Z-080218T0600Z/
BREMER-GRUNDY-BLACK HAWK-STORY-MARSHALL-TAMA-GUTHRIE-DALLAS-POLK-
JASPER-POWESHIEK-CASS-ADAIR-MADISON-WARREN-MARION-MAHASKA-ADAMS-
UNION-CLARKE-LUCAS-MONROE-WAPELLO-TAYLOR-RINGGOLD-DECATUR-WAYNE-
APPANOOSE-DAVIS-
INCLUDING THE CITIES OF...WAVERLY...GRUNDY CENTER...WATERLOO...
AMES...MARSHALLTOWN...TOLEDO...GUTHRIE CENTER...ADEL...
DES MOINES...NEWTON...GRINNELL...ATLANTIC...GREENFIELD...
WINTERSET...INDIANOLA...KNOXVILLE...OSKALOOSA...CORNING...
CRESTON...OSCEOLA...CHARITON...ALBIA...OTTUMWA...BEDFORD...
MOUNT AYR...LEON...CORYDON...CENTERVILLE...BLOOMFIELD
1053 AM CST SUN FEB 17 2008

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CST
TONIGHT...

A BLIZZARD WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT. 

SNOW WILL CONTINUE INTO THE EARLY AFTERNOON HOURS BEFORE IT
BEGINS TO TAPER OFF. THE HEAVIEST SNOW WILL END BY EARLY AFTERNOON
WEST OF A MASON CITY...DES MOINES...LAMONI LINE....AND OVER THE
REST OF THE AREA BY 3 OR 4 PM. A TOTAL SNOWFALL OF 4 TO 8 INCHES
IS EXPECTED BY THIS EVENING. A NORTHWEST WIND WILL INCREASE AND
CONTINUE THROUGH THE EVENING HOURS. EXPECT SUSTAINED SPEEDS OF 25
TO 35 MPH...WITH GUSTS AROUND 50 MPH AT TIMES. THIS WILL CREATE
SIGNIFICANT BLOWING AND DRIFTING SNOW...WITH WHITEOUT CONDITIONS
AT TIMES...ESPECIALLY IN OPEN AREAS. IN ADDITION...THE COMBINATION
OF ICE ACCRETION ON POWER LINES AND THE HIGH WINDS COULD CAUSE
POWER OUTAGES.

EMERGENCY MANAGEMENT OFFICIALS ARE ADVISING PEOPLE TO BE SURE
THEY HAVE A SUPPLY OF BATTERIES AND OTHER PROVISIONS. ALSO IT IS
SUGGESTED TO HAVE PORTABLE RADIOS AND BLANKETS ON HAND AS AN
EXTENDED PERIOD WITHOUT POWER IS POSSIBLE.

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.

$$

IAZ005>007-016-023-024-034-045-180000-
/O.CON.KDMX.SB.Y.0003.000000T0000Z-080218T0000Z/
KOSSUTH-WINNEBAGO-WORTH-HANCOCK-POCAHONTAS-HUMBOLDT-CALHOUN-
CARROLL-
INCLUDING THE CITIES OF...ALGONA...FOREST CITY...NORTHWOOD...
GARNER...POCAHONTAS...HUMBOLDT...ROCKWELL CITY...CARROLL
1053 AM CST SUN FEB 17 2008

...SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL 6 PM
CST THIS AFTERNOON...

A SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST
THIS AFTERNOON. 

LIGHT SNOW WILL CONTINUE...ALONG WITH INCREASING WINDS. EXPECT
SUSTAINED SPEEDS OF 25 TO 35 MPH...WITH GUSTS TO AROUND 50 MPH AT
TIMES... WHICH WILL CREATE SIGNIFICANT BLOWING AND DRIFTING SNOW.
VISIBILITIES WILL DROP BELOW ONE QUARTER MILE AT TIMES...WITH
BRIEF PERIODS OF NEAR WHITEOUT CONDITIONS POSSIBLE IN OPEN AREAS.
TOTAL SNOWFALL AMOUNTS OF 1 TO 3 INCHES ARE EXPECTED BY THIS
EVENING.

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.

$$
000 
WWUS43 KDMX 171822
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
1222 PM CST SUN FEB 17 2008

.A POTENT WINTER STORM WILL PUSH NORTHEAST THROUGH NORTHERN
ILLINOIS THIS AFTERNOON AND WILL BE OVER NORTHERN LOWER MICHIGAN
BY TONIGHT. SNOW AND BLIZZARD CONDITIONS ARE EXPECTED THROUGH THE
AFTERNOON OVER EASTERN IOWA.

IAZ017-025>027-035>037-046>048-057>060-070>073-081>083-092>094-
180000-
/O.CAN.KDMX.BZ.W.0002.000000T0000Z-080218T0600Z/
/O.EXA.KDMX.SB.Y.0003.000000T0000Z-080218T0000Z/
CERRO GORDO-WRIGHT-FRANKLIN-BUTLER-WEBSTER-HAMILTON-HARDIN-GREENE-
BOONE-STORY-AUDUBON-GUTHRIE-DALLAS-POLK-CASS-ADAIR-MADISON-WARREN-
ADAMS-UNION-CLARKE-TAYLOR-RINGGOLD-DECATUR-
INCLUDING THE CITIES OF...MASON CITY...CLARION...HAMPTON...
ALLISON...FORT DODGE...WEBSTER CITY...ELDORA...JEFFERSON...
BOONE...AMES...AUDUBON...GUTHRIE CENTER...ADEL...DES MOINES...
ATLANTIC...GREENFIELD...WINTERSET...INDIANOLA...CORNING...
CRESTON...OSCEOLA...BEDFORD...MOUNT AYR...LEON
1222 PM CST SUN FEB 17 2008

...SNOW AND BLOWING SNOW ADVISORY IN EFFECT UNTIL 6 PM CST THIS
AFTERNOON...
...BLIZZARD WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A SNOW AND
BLOWING SNOW ADVISORY...WHICH IS IN EFFECT UNTIL 6 PM CST THIS
AFTERNOON. THE BLIZZARD WARNING HAS BEEN CANCELLED. 

LIGHT SNOW WILL CONTINUE...ALONG WITH STRONG NORTH TO NORTHWEST
WINDS. EXPECT SUSTAINED SPEEDS OF 25 TO 35 MPH...WITH GUSTS TO
AROUND 50 MPH AT TIMES... WHICH WILL CREATE SIGNIFICANT DRIFTING
OF SNOW AND SOME BLOWING SNOW. VISIBILITIES WILL DROP BELOW ONE
QUARTER MILE AT TIMES IN OPEN AREAS. ADDITIONAL SNOWFALL WILL BE
AROUND AN INCH OR LESS.

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.

$$

IAZ028-038-039-049-050-061-062-074-075-084>086-095>097-180000-
/O.EXT.KDMX.BZ.W.0002.000000T0000Z-080218T0000Z/
BREMER-GRUNDY-BLACK HAWK-MARSHALL-TAMA-JASPER-POWESHIEK-MARION-
MAHASKA-LUCAS-MONROE-WAPELLO-WAYNE-APPANOOSE-DAVIS-
INCLUDING THE CITIES OF...WAVERLY...GRUNDY CENTER...WATERLOO...
MARSHALLTOWN...TOLEDO...NEWTON...GRINNELL...KNOXVILLE...
OSKALOOSA...CHARITON...ALBIA...OTTUMWA...CORYDON...CENTERVILLE...
BLOOMFIELD
1222 PM CST SUN FEB 17 2008

...BLIZZARD WARNING NOW IN EFFECT UNTIL 6 PM CST THIS AFTERNOON...

THE BLIZZARD WARNING IS NOW IN EFFECT UNTIL 6 PM CST THIS
AFTERNOON. 

SNOW WILL CONTINUE INTO THE EARLY AFTERNOON HOURS BEFORE IT
BEGINS TO TAPER OFF. THE HEAVIEST SNOW WILL END BY 3 OR 4 PM. A
TOTAL SNOWFALL OF 4 TO 8 INCHES IS EXPECTED BY THIS EVENING. A
NORTHWEST WIND WILL INCREASE AND CONTINUE THROUGH THE EVENING
HOURS. EXPECT SUSTAINED SPEEDS OF 25 TO 35 MPH...WITH GUSTS AROUND
50 MPH AT TIMES. THIS WILL CREATE SIGNIFICANT BLOWING AND DRIFTING
SNOW...WITH WHITEOUT CONDITIONS AT TIMES...ESPECIALLY IN OPEN
AREAS. IN ADDITION...THE COMBINATION OF ICE ACCRETION ON POWER
LINES AND THE HIGH WINDS COULD CAUSE POWER OUTAGES.

EMERGENCY MANAGEMENT OFFICIALS ARE ADVISING PEOPLE TO BE SURE
THEY HAVE A SUPPLY OF BATTERIES AND OTHER PROVISIONS. ALSO IT IS
SUGGESTED TO HAVE PORTABLE RADIOS AND BLANKETS ON HAND AS AN
EXTENDED PERIOD WITHOUT POWER IS POSSIBLE.

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.

$$

IAZ005>007-016-023-024-034-045-180000-
/O.CON.KDMX.SB.Y.0003.000000T0000Z-080218T0000Z/
KOSSUTH-WINNEBAGO-WORTH-HANCOCK-POCAHONTAS-HUMBOLDT-CALHOUN-
CARROLL-
INCLUDING THE CITIES OF...ALGONA...FOREST CITY...NORTHWOOD...
GARNER...POCAHONTAS...HUMBOLDT...ROCKWELL CITY...CARROLL
1222 PM CST SUN FEB 17 2008

...SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL 6 PM
CST THIS AFTERNOON...

A SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST
THIS AFTERNOON. 

LIGHT SNOW WILL CONTINUE...ALONG WITH INCREASING WINDS. EXPECT
SUSTAINED SPEEDS OF 25 TO 35 MPH...WITH GUSTS TO AROUND 50 MPH AT
TIMES... WHICH WILL CREATE SIGNIFICANT DRIFTING AND SOME BLOWING
SNOW. VISIBILITIES WILL BE REDUCED TO ONE QUARTER MILE OR LESS IN
OPEN AREAS AT TIMES. ADDITIONAL SNOWFALL THIS AFTERNOON WILL BE
LIGHT. 

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.

$$
000 
WWUS43 KDMX 171924
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
124 PM CST SUN FEB 17 2008

.A POTENT WINTER STORM WILL PUSH NORTHEAST THROUGH NORTHERN
ILLINOIS THIS AFTERNOON AND WILL BE OVER NORTHERN LOWER MICHIGAN
BY TONIGHT. SNOW AND BLIZZARD CONDITIONS ARE EXPECTED THROUGH THE
AFTERNOON OVER EASTERN IOWA.

IAZ028-038-039-049-050-061-062-074-075-084>086-095>097-180000-
/O.CAN.KDMX.BZ.W.0002.000000T0000Z-080218T0000Z/
/O.EXA.KDMX.SB.Y.0003.000000T0000Z-080218T0000Z/
BREMER-GRUNDY-BLACK HAWK-MARSHALL-TAMA-JASPER-POWESHIEK-MARION-
MAHASKA-LUCAS-MONROE-WAPELLO-WAYNE-APPANOOSE-DAVIS-
INCLUDING THE CITIES OF...WAVERLY...GRUNDY CENTER...WATERLOO...
MARSHALLTOWN...TOLEDO...NEWTON...GRINNELL...KNOXVILLE...
OSKALOOSA...CHARITON...ALBIA...OTTUMWA...CORYDON...CENTERVILLE...
BLOOMFIELD
124 PM CST SUN FEB 17 2008

...SNOW AND BLOWING SNOW ADVISORY IN EFFECT UNTIL 6 PM CST THIS
AFTERNOON...
...BLIZZARD WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A SNOW AND
BLOWING SNOW ADVISORY...WHICH IS IN EFFECT UNTIL 6 PM CST THIS
AFTERNOON. THE BLIZZARD WARNING HAS BEEN CANCELLED. 

LIGHT SNOW WILL CONTINUE...ALONG WITH STRONG NORTH TO NORTHWEST
WINDS. EXPECT SUSTAINED SPEEDS OF 25 TO 35 MPH...WITH GUSTS TO
AROUND 50 MPH AT TIMES... WHICH WILL CREATE SIGNIFICANT DRIFTING
OF SNOW AND SOME BLOWING SNOW. VISIBILITIES WILL DROP BELOW ONE
QUARTER MILE AT TIMES IN OPEN AREAS. ADDITIONAL SNOWFALL WILL BE
AROUND AN INCH OR LESS.

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.

$$

IAZ005-006-016-023>025-034-035-045-046-057-058-070-071-081-092-
172030-
/O.CAN.KDMX.SB.Y.0003.000000T0000Z-080218T0000Z/
KOSSUTH-WINNEBAGO-HANCOCK-POCAHONTAS-HUMBOLDT-WRIGHT-CALHOUN-
WEBSTER-CARROLL-GREENE-AUDUBON-GUTHRIE-CASS-ADAIR-ADAMS-TAYLOR-
INCLUDING THE CITIES OF...ALGONA...FOREST CITY...GARNER...
POCAHONTAS...HUMBOLDT...CLARION...ROCKWELL CITY...FORT DODGE...
CARROLL...JEFFERSON...AUDUBON...GUTHRIE CENTER...ATLANTIC...
GREENFIELD...CORNING...BEDFORD
124 PM CST SUN FEB 17 2008

...SNOW AND BLOWING SNOW ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS CANCELLED THE SNOW
AND BLOWING SNOW ADVISORY. 

THE SNOW AND BLOWING ADVISORY HAS BEEN CANCELLED AND REPLACED BY A
WIND ADVISORY. THE WIND ADVISORY WILL BE IN EFFECT UNTIL 600 PM
THIS EVENING FOR THE AREA. NORTHWEST WINDS OF 25 TO 35 MPH...WITH
GUSTS TO AROUND 45 MPH ARE EXPECTED.


$$

IAZ007-017-026-027-036-037-047-048-059-060-072-073-082-083-093-
094-180000-
/O.CON.KDMX.SB.Y.0003.000000T0000Z-080218T0000Z/
WORTH-CERRO GORDO-FRANKLIN-BUTLER-HAMILTON-HARDIN-BOONE-STORY-
DALLAS-POLK-MADISON-WARREN-UNION-CLARKE-RINGGOLD-DECATUR-
INCLUDING THE CITIES OF...NORTHWOOD...MASON CITY...HAMPTON...
ALLISON...WEBSTER CITY...ELDORA...BOONE...AMES...ADEL...
DES MOINES...WINTERSET...INDIANOLA...CRESTON...OSCEOLA...
MOUNT AYR...LEON
124 PM CST SUN FEB 17 2008

...SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL 6 PM
CST THIS AFTERNOON...

A SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST
THIS AFTERNOON. 

LIGHT SNOW WILL CONTINUE...ALONG WITH STRONG NORTH TO NORTHWEST
WINDS. EXPECT SUSTAINED SPEEDS OF 25 TO 35 MPH...WITH GUSTS TO
AROUND 50 MPH AT TIMES... WHICH WILL CREATE SIGNIFICANT DRIFTING
OF SNOW AND SOME BLOWING SNOW. VISIBILITIES WILL DROP BELOW ONE
QUARTER MILE AT TIMES IN OPEN AREAS. ADDITIONAL SNOWFALL WILL BE
AROUND AN INCH OR LESS.

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.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 17, 3:10 AM CSTWind AdvisoryDMXAdair, Adams, Appanoose, Audubon, Black Hawk, Boone and 45 more17 hr
Feb 17, 3:46 AM CSTSnow and Blowing Snow AdvisoryDMXAdair, Adams, Appanoose, Audubon, Black Hawk, Boone and 41 more12 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.