Alert archive / Iowa / Winter Storm Warnings in 2007

Winter Storm Warning 13, NWS Des Moines, IA

December 22, 200730 counties in Iowa

NWS Des Moines, IA issued this winter storm warning at Dec 22, 2007, 4:30 AM CST for 30 counties in Iowa. It took effect at Dec 22, 2007, 12:00 PM CST. It was in force for 16 hr. 60 reports came from inside the area while it was in force.

The area

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

The facts

Issued
Dec 22, 2007, 4:30 AM CST (10:30 UTC)
In effect from
Dec 22, 2007, 12:00 PM CST
Expired
Dec 23, 2007, 4:01 AM CST
In force
16 hr
Issued by
NWS Des Moines, IA
All 30 counties

Adair County, IA, Adams County, IA, Appanoose County, IA, Black Hawk County, IA, Bremer County, IA, Butler County, IA, Clarke County, IA, Dallas County, IA, Davis County, IA, Decatur County, IA, Franklin County, IA, Grundy 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

The radar

The Des Moines radar (KDMX), 41 km from the middle of the area, began a volume at 10:33 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
Dec 22, 3:15 PM CSTSNOW 1.5Johnston, IA
Dec 22, 3:45 PM CSTSNOW 3Lamoni, IAESTIMATED AMOUNT. MUCH OF THIS OCCURRED IN ONE HOUR.
Dec 22, 3:46 PM CSTSNOW 1Des Moines, IAREPORTED BY WOI.
Dec 22, 4:18 PM CSTSNOW 4Leon, IA
Dec 22, 4:31 PM CSTSNOW 34 Wsw Kellerton, IA
Dec 22, 4:35 PM CSTSNOW 4.57 S Mount Ayr, IA
Dec 22, 4:38 PM CSTSNOW 42 Wsw Lamoni Airport, IANEAR WHITEOUT CONDITIONS
Dec 22, 4:46 PM CSTSNOW 4N Osceola, IA
Dec 22, 4:51 PM CSTSNOW 2Hartford, IAVISIBILITY AROUND 1/8TH MILE
Dec 22, 4:55 PM CSTHEAVY SNOW 6Milo, IA6-7 INCHES OF NEW SNOW IN MILO...SINCE ABOUT 230 PM CST.
Dec 22, 4:58 PM CSTSNOW 1New Market, IA
Dec 22, 4:58 PM CSTSNOW 1.83 N Grimes, IA
Dec 22, 4:58 PM CSTSNOW 3E Bedford, IA2 TO 3 INCHES ON THE EAST SIDE OF BEDFORD.
Dec 22, 5:00 PM CSTSNOW 1.5West Des Moines, IAREPORTED BY WOI
Dec 22, 5:00 PM CSTSNOW 3.57 E New Virginia, IA
Dec 22, 5:01 PM CSTSNOW 2.5Creston, IACONSIDERABLE BLOWING AND DRIFTING OF SNOW
Dec 22, 5:07 PM CSTSNOW 2.5Des Moines Int Airport, IA
Dec 22, 5:21 PM CSTSNOW 1.5Waterloo, IAREPORTED BY KWWL
Dec 22, 5:28 PM CSTSNOW 2.11 N Winterset, IA
Dec 22, 5:30 PM CSTSNOW 1.5Ottumwa, IAESTIMATED 1 TO 2 INCHES
Dec 22, 5:30 PM CSTSNOW 1.8Johnston, IA
Dec 22, 5:35 PM CSTSNOW 29 Ssw Knoxville Airport, IA
Dec 22, 5:36 PM CSTSNOW 3.82 Nne Knoxville Airport, IA
Dec 22, 5:40 PM CSTSNOW 1Marshalltown, IA
Dec 22, 5:50 PM CSTSNOW 36 Sse Milo, IAMEASURED DRIFTS BETWEEN 22 TO 28 INCHES DEEP.
Dec 22, 6:09 PM CSTSNOW 3Chariton, IA
Dec 22, 6:24 PM CSTSNOW 3Corydon, IA
Dec 22, 6:25 PM CSTSNOW 3Bussey, IA
Dec 22, 6:26 PM CSTSNOW 12 Sw Ottumwa, IAVISIBILITY LESS THAN 1/4 MILE.
Dec 22, 6:37 PM CSTSNOW 5Altoona, IA
Dec 22, 6:40 PM CSTSNOW 3Centerville, IA
Dec 22, 6:44 PM CSTSNOW 4.5Albia, IAESTIMATED 4 TO 5 INCHES.
Dec 22, 6:50 PM CSTSNOW 2.54 S Leighton, IAESTIMATED 2 TO 3 INCHES.
Dec 22, 6:56 PM CSTSNOW 22 W Montezuma, IA
Dec 22, 7:00 PM CSTSNOW 3Nne Bloomfield, IA
Dec 22, 7:04 PM CSTSNOW 4.51 S Toledo, IAESTIMATED 4 TO 5 INCHES IN TOLEDO.
Dec 22, 7:09 PM CSTSNOW 2.5E Eldora, IAGENERALLY 2 TO 3 INCHES IN THE EASTERN PORTION OF THE COUNTY...WITH 1 TO 2 INCHES ON THE WEST SIDE OF THE COUNTY.
Dec 22, 7:10 PM CSTSNOW 34 N Grimes, IATOTAL FOR EVENT. SNOW HAS ENDED.
Dec 22, 7:18 PM CSTSNOW 5.55 Wnw Lacona, IAESTIMATED 5 TO 6 INCHES SINCE ABOUT 1 PM CST.
Dec 22, 7:45 PM CSTSNOW 3.3Ottumwa, IA
Dec 22, 8:03 PM CSTSNOW 12 Ne New Market, IAWEST SIDE OF COUNTY
Dec 22, 8:03 PM CSTSNOW 34 Ssw Clearfield, IAEAST SIDE OF COUNTY
Dec 22, 8:04 PM CSTSNOW 5.5Albia, IA2 FOOT DRIFTS IN TOWN
Dec 22, 8:14 PM CSTSNOW 2.8Johnston, IA
Dec 22, 8:19 PM CSTSNOW 1.5Corning, IA
Dec 22, 8:28 PM CSTSNOW 5Mount Ayr, IALOTS OF DRIFTING
Dec 22, 8:30 PM CSTSNOW 1.6Dallas Center, IABLOWING SNOW CONTINUING TO REDUCE VISIBILITY
Dec 22, 8:30 PM CSTSNOW 2.3Adel, IA
Dec 22, 8:30 PM CSTSNOW 3Creston, IA2 TO 3 INCHES AND LOTS OF DRIFTING
Dec 22, 8:38 PM CSTSNOW 4Winterset, IA
Dec 22, 8:40 PM CSTSNOW 4.5Des Moines, IAAIRPORT
Dec 22, 8:42 PM CSTSNOW 4Newton, IA
Dec 22, 8:53 PM CSTSNOW 4Montezuma, IASNOWING HARD AT THIS TIME
Dec 22, 8:54 PM CSTSNOW 3Denver, IA
Dec 22, 8:54 PM CSTSNOW 42 N La Porte City, IA
Dec 22, 9:00 PM CSTSNOW 0.1Ames, IAVERY LIGHT SNOW ON WEST SIDE OF TOWN.
Dec 22, 9:09 PM CSTSNOW 4.5Bloomfield, IAESTIMATED 4 TO 5 INCHES. LOTS OF BLOWING AND DRIFTING. ROADS IN BAD CONDITION.
Dec 22, 9:09 PM CSTSNOW 4.5Toledo, IA3 TO 6 INCHES IN THEIR PARKING LOT
Dec 22, 9:36 PM CSTSNOW 3.5Oskaloosa, IA
Dec 22, 9:36 PM CSTSNOW 3.8Holland, IA

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

The nearest sounding before it

Davenport, (KDVN), launched 00:00Z, 10.5 hours before the alert went out and 234 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Davenport, at 00:00Z on 2007-12-22Temperature 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, Davenport, at 00:00Z on 2007-12-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 155 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
527 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
155 m²/s²
0-3 km storm-relative helicity
231 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 221030
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
430 AM CST SAT DEC 22 2007

...SIGNIFICANT BLOWING SNOW POSSIBLE INTO TONIGHT...

.A POTENT LATE DECEMBER STORM TAKING SHAPE OVER THE SOUTHERN
PLAINS THIS MORNING WILL STRENGTHEN AS IT MOVES NORTHEAST THROUGH
THE MID MISSISSIPPI RIVER VALLEY TO THE GREAT LAKES BY EARLY
SUNDAY. WIDESPREAD SNOW AND BLOWING SNOW WILL OCCUR OVER IOWA AND
STATES TO THE SOUTH AND EAST...WITH GREATEST AMOUNTS OF SNOW EAST
OF INTERSTATE 35.

IAZ026>028-037>039-048>050-059>062-072>075-083>086-094>097-221730-
/O.UPG.KDMX.WS.A.0010.071222T1800Z-071223T1200Z/
/O.NEW.KDMX.WS.W.0013.071222T1800Z-071223T1200Z/
FRANKLIN-BUTLER-BREMER-HARDIN-GRUNDY-BLACK HAWK-STORY-MARSHALL-
TAMA-DALLAS-POLK-JASPER-POWESHIEK-MADISON-WARREN-MARION-MAHASKA-
CLARKE-LUCAS-MONROE-WAPELLO-DECATUR-WAYNE-APPANOOSE-DAVIS-
INCLUDING THE CITIES OF...HAMPTON...ALLISON...WAVERLY...ELDORA...
GRUNDY CENTER...WATERLOO...AMES...MARSHALLTOWN...TOLEDO...ADEL...
DES MOINES...NEWTON...GRINNELL...WINTERSET...INDIANOLA...
KNOXVILLE...OSKALOOSA...OSCEOLA...CHARITON...ALBIA...OTTUMWA...
LEON...CORYDON...CENTERVILLE...BLOOMFIELD
430 AM CST SAT DEC 22 2007

...WINTER STORM WARNING IN EFFECT FROM NOON TODAY TO 6 AM CST
SUNDAY...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WINTER
STORM WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 6 AM CST
SUNDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. 

WINTRY PRECIPITATION WILL INCREASE IN COVERAGE AND INTENSITY
THROUGHOUT THE DAY WITH RAIN...SLEET OR SNOW CHANGING TO ALL SNOW
DURING THE AFTERNOON. ABOUT THE SAME TIME THAT OCCURS NORTHWEST
WINDS WILL INCREASE AS A COLD FRONT EXITS IOWA WITH SUSTAINED
SPEEDS OF 15 TO 25 MPH...AND GUSTS UP TO 35 MPH. SNOW TOTALS IN
THE WARNING AREA SHOULD REACH FOUR TO SEVEN INCHES WITH
CONSIDERABLE BLOWING AND DRIFTING SNOW. VISIBILITIES WILL BE
DRAMATICALLY REDUCED DURING THE PERIODS OF HEAVIER SNOW WITH NEAR
BLIZZARD CONDITIONS AT TIMES. THE SNOW SHOULD DIMINISH IN
INTENSITY OVERNIGHT...BUT THE WINDS WILL CHANGE LITTLE WITH
BLOWING AND DRIFTING CONTINUING.

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
SLEET...AND ICE ARE EXPECTED OR OCCURRING. IN THIS INSTANCE SNOW
ALONG WITH STRONG WINDS WILL BE THE PRIMARY CONCERN. THIS WILL
MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE LATER TODAY AND TONIGHT.

$$

IAZ071-081-082-092-093-221730-
/O.NEW.KDMX.WS.W.0013.071222T1800Z-071223T1200Z/
ADAIR-ADAMS-UNION-TAYLOR-RINGGOLD-
INCLUDING THE CITIES OF...GREENFIELD...CORNING...CRESTON...
BEDFORD...MOUNT AYR
430 AM CST SAT DEC 22 2007

...WINTER STORM WARNING IN EFFECT FROM NOON TODAY TO 6 AM CST
SUNDAY...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WINTER
STORM WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 6 AM CST
SUNDAY. 

WINTRY PRECIPITATION WILL INCREASE IN COVERAGE AND INTENSITY
THROUGHOUT THE DAY WITH RAIN OR SNOW CHANGING TO ALL SNOW BY AFTERNOON.
ABOUT THE SAME TIME THAT OCCURS NORTHWEST WINDS WILL INCREASE AS A
COLD FRONT EXITS IOWA WITH SUSTAINED SPEEDS OF 15 TO 25 MPH...AND
GUSTS UP TO 35 MPH. SNOW TOTALS IN THE WARNING AREA SHOULD REACH
FOUR TO SIX INCHES WITH CONSIDERABLE BLOWING AND DRIFTING SNOW.
VISIBILITIES WILL BE DRAMATICALLY REDUCED DURING THE PERIODS OF
HEAVIER SNOW WITH NEAR BLIZZARD CONDITIONS AT TIMES. THE SNOW
SHOULD DIMINISH IN INTENSITY OVERNIGHT...BUT THE WINDS WILL CHANGE
LITTLE WITH BLOWING AND DRIFTING CONTINUING.

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
SLEET...AND ICE ARE EXPECTED OR OCCURRING. IN THIS INSTANCE SNOW
AND STRONG WINDS WILL BE THE PRIMARY CONCERNS. THIS WILL MAKE
TRAVEL VERY HAZARDOUS OR IMPOSSIBLE LATER TODAY AND TONIGHT.

$$

IAZ006-007-016-017-025-036-047-221730-
/O.UPG.KDMX.WS.A.0010.071222T1800Z-071223T1200Z/
/O.NEW.KDMX.SB.Y.0007.071222T1500Z-071223T1200Z/
WINNEBAGO-WORTH-HANCOCK-CERRO GORDO-WRIGHT-HAMILTON-BOONE-
INCLUDING THE CITIES OF...FOREST CITY...NORTHWOOD...GARNER...
MASON CITY...CLARION...WEBSTER CITY...BOONE
430 AM CST SAT DEC 22 2007

...SNOW AND BLOWING SNOW ADVISORY IN EFFECT FROM 9 AM THIS
MORNING TO 6 AM CST SUNDAY...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A SNOW AND
BLOWING SNOW ADVISORY...WHICH IS IN EFFECT FROM 9 AM THIS MORNING
TO 6 AM CST SUNDAY. THE WINTER STORM WATCH IS NO LONGER IN
EFFECT. 

WINTRY PRECIPITATION WILL INCREASE IN COVERAGE AND INTENSITY
THROUGHOUT THE DAY WITH RAIN OR SNOW CHANGING TO ALL SNOW BY
MIDDAY. ABOUT THE SAME TIME THAT OCCURS NORTHWEST WINDS WILL
INCREASE AS A COLD FRONT EXITS IOWA WITH SUSTAINED SPEEDS OF 15 TO
25 MPH...AND GUSTS UP TO 35 MPH. SNOW TOTALS IN THE ADVISORY AREA
SHOULD REACH ONE TO FOUR INCHES WITH CONSIDERABLE BLOWING AND
DRIFTING SNOW. VISIBILITIES WILL BE DRAMATICALLY REDUCED DURING
THE PERIODS OF HEAVIER SNOW. THE SNOW SHOULD DIMINISH IN
INTENSITY OVERNIGHT...BUT THE WINDS WILL CHANGE LITTLE WITH
BLOWING AND DRIFTING CONTINUING.

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.

$$

IAZ005-024-034-035-044>046-057-058-070-221730-
/O.NEW.KDMX.SB.Y.0007.071222T1500Z-071223T1200Z/
KOSSUTH-HUMBOLDT-CALHOUN-WEBSTER-CRAWFORD-CARROLL-GREENE-AUDUBON-
GUTHRIE-CASS-
INCLUDING THE CITIES OF...ALGONA...HUMBOLDT...ROCKWELL CITY...
FORT DODGE...DENISON...CARROLL...JEFFERSON...AUDUBON...
GUTHRIE CENTER...ATLANTIC
430 AM CST SAT DEC 22 2007

...SNOW AND BLOWING SNOW ADVISORY IN EFFECT FROM 9 AM THIS
MORNING TO 6 AM CST SUNDAY...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A SNOW AND
BLOWING SNOW ADVISORY...WHICH IS IN EFFECT FROM 9 AM THIS MORNING
TO 6 AM CST SUNDAY. 

WINTRY PRECIPITATION WILL INCREASE IN COVERAGE AND INTENSITY
THROUGHOUT THE DAY WITH RAIN OR SNOW CHANGING TO ALL SNOW BY
MIDDAY. ABOUT THE SAME TIME THAT OCCURS NORTHWEST WINDS WILL
INCREASE AS A COLD FRONT EXITS IOWA WITH SUSTAINED SPEEDS OF 15 TO
25 MPH...AND GUSTS UP TO 35 MPH. SNOW TOTALS IN THE ADVISORY AREA
SHOULD REACH ONE TO FOUR INCHES WITH CONSIDERABLE BLOWING AND
DRIFTING SNOW. VISIBILITIES WILL BE DRAMATICALLY REDUCED DURING
THE PERIODS OF HEAVIER SNOW. THE SNOW SHOULD DIMINISH IN
INTENSITY OVERNIGHT...BUT THE WINDS WILL CHANGE LITTLE WITH
BLOWING AND DRIFTING CONTINUING.

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.

$$

SMALL
6 follow-up statements
000 
WWUS43 KDMX 221657
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
1057 AM CST SAT DEC 22 2007

...SIGNIFICANT BLOWING SNOW POSSIBLE INTO TONIGHT...

.A POTENT LATE DECEMBER STORM TAKING SHAPE OVER THE SOUTHERN
PLAINS TODAY AND WILL LIFT NORTHEAST THROUGH THE MID MISSISSIPPI
RIVER VALLEY TO THE GREAT LAKES BY EARLY SUNDAY. WIDESPREAD SNOW
AND BLOWING SNOW WILL OCCUR OVER IOWA AND STATES TO THE SOUTH AND
EAST...WITH GREATEST AMOUNTS OF SNOW EAST OF INTERSTATE 35.

IAZ005-006-024-034-035-044-045-221800-
/O.CAN.KDMX.SB.Y.0007.000000T0000Z-071223T1200Z/
KOSSUTH-WINNEBAGO-HUMBOLDT-CALHOUN-WEBSTER-CRAWFORD-CARROLL-
INCLUDING THE CITIES OF...ALGONA...FOREST CITY...HUMBOLDT...
ROCKWELL CITY...FORT DODGE...DENISON...CARROLL
1057 AM CST SAT DEC 22 2007

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

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

SOME LIGHT SNOW IS STILL POSSIBLE HOWEVER THE BRUNT OF THE SYSTEM
WILL BE TO THE SOUTHEAST OF THE AREA.

$$

IAZ026>028-037>039-048>050-059>062-071>075-081>086-092>097-230100-
/O.CON.KDMX.WS.W.0013.071222T1800Z-071223T1200Z/
FRANKLIN-BUTLER-BREMER-HARDIN-GRUNDY-BLACK HAWK-STORY-MARSHALL-
TAMA-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...HAMPTON...ALLISON...WAVERLY...ELDORA...
GRUNDY CENTER...WATERLOO...AMES...MARSHALLTOWN...TOLEDO...ADEL...
DES MOINES...NEWTON...GRINNELL...GREENFIELD...WINTERSET...
INDIANOLA...KNOXVILLE...OSKALOOSA...CORNING...CRESTON...OSCEOLA...
CHARITON...ALBIA...OTTUMWA...BEDFORD...MOUNT AYR...LEON...
CORYDON...CENTERVILLE...BLOOMFIELD
1057 AM CST SAT DEC 22 2007

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

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

SNOW WILL INCREASE ACROSS THE WARNED AREA THIS AFTERNOON FROM
SOUTHWEST TO NORTHEAST. EXPECT THE SNOW TO BECOME HEAVY AT TIMES
BY MID AFTERNOON THROUGH THE EARLY EVENING HOURS. NORTHWEST WINDS
OF 15 TO 25 MPH WITH GUSTS TO 35 MPH WILL CREATE BLOWING SNOW AND
WILL FURTHER REDUCE VISIBILITIES TO NEAR BLIZZARD CONDITIONS AT
TIMES. THE SNOW WILL DIMINISH IN INTENSITY BY MID TO LATE EVENING
HOWEVER THE THREAT OF BLOWING SNOW WILL CONTINUE THROUGH THE
REMAINDER OF THE NIGHT. SNOWFALL AMOUNTS OF 4 TO 8 INCHES ARE
POSSIBLE BY MIDNIGHT.

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
SLEET...AND ICE ARE EXPECTED OR OCCURRING. IN THIS INSTANCE SNOW
ALONG WITH STRONG WINDS WILL BE THE PRIMARY CONCERN. THIS WILL
MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE LATER TODAY AND TONIGHT.

$$

IAZ007-016-017-025-036-046-047-057-058-070-230100-
/O.EXT.KDMX.SB.Y.0007.000000T0000Z-071223T1200Z/
WORTH-HANCOCK-CERRO GORDO-WRIGHT-HAMILTON-GREENE-BOONE-AUDUBON-
GUTHRIE-CASS-
INCLUDING THE CITIES OF...NORTHWOOD...GARNER...MASON CITY...
CLARION...WEBSTER CITY...JEFFERSON...BOONE...AUDUBON...
GUTHRIE CENTER...ATLANTIC
1057 AM CST SAT DEC 22 2007

...SNOW AND BLOWING SNOW ADVISORY NOW IN EFFECT FROM 3 PM THIS
AFTERNOON TO 6 AM CST SUNDAY...

THE SNOW AND BLOWING SNOW ADVISORY IS NOW IN EFFECT FROM 3 PM
THIS AFTERNOON TO 6 AM CST SUNDAY. 

SNOW WILL INCREASE ACROSS THE ADVISORY AREA THIS AFTERNOON FROM
SOUTHWEST TO NORTHEAST. EXPECT THE SNOW TO BECOME MODERATE AT
TIMES BY MID AFTERNOON THROUGH THE EARLY EVENING HOURS. NORTHWEST
WINDS OF 15 TO 25 MPH WITH GUSTS TO 35 MPH WILL CREATE BLOWING
SNOW AND WILL FURTHER REDUCE VISIBILITIES TO ONE HALF MILE OR LESS
AT TIMES. THE SNOW WILL DIMINISH IN INTENSITY BY MID TO LATE
EVENING HOWEVER THE THREAT OF BLOWING SNOW WILL CONTINUE THROUGH
THE REMAINDER OF THE NIGHT. SNOWFALL AMOUNTS OF 1 TO 3 INCHES ARE
POSSIBLE BY MIDNIGHT. ISOLATED HIGHER AMOUNT OVER THE FAR
SOUTHEASTERN PORTIONS OF THE COUNTIES IS 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.

$$

DONAVON
000 
WWUS43 KDMX 222158
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
358 PM CST SAT DEC 22 2007

...SIGNIFICANT BLOWING SNOW POSSIBLE THROUGH SUNDAY OVER PORTIONS
OF THE AREA...

.A POTENT LATE DECEMBER STORM WILL CONTINUE TO BRING SNOWFALL TO
PORTIONS OF CENTRAL AND SOUTHERN IOWA THROUGH THIS EVENING. THE
GREATEST AMOUNTS SNOW WILL OCCUR MAINLY EAST OF INTERSTATE 35.
GUSTY NORTHWEST WINDS WILL CONTINUE THROUGH SUNDAY WITH BLOWING
SNOW REMAINING A THREAT.

IAZ026-230600-
/O.CAN.KDMX.WS.W.0013.000000T0000Z-071223T1200Z/
/O.EXA.KDMX.SB.Y.0007.000000T0000Z-071223T1200Z/
FRANKLIN-
INCLUDING THE CITY OF...HAMPTON
358 PM CST SAT DEC 22 2007

...SNOW AND BLOWING SNOW ADVISORY IN EFFECT UNTIL 6 AM CST
SUNDAY...
...WINTER STORM WARNING IS CANCELLED...

LIGHT SNOW IS EXPECTED YET TODAY WITH AMOUNTS UP TO 2 INCHES
POSSIBLE. NORTHWEST WINDS OF 15 TO 25 MPH...GUSTING TO 35 MPH WILL
CAUSE BLOWING AND DRIFTING OF SNOW THROUGH TONIGHT WITH REDUCED
VISIBILITIES BELOW ONE MILE AT TIMES.

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.

$$

IAZ007-016-017-025-046-057-222300-
/O.CAN.KDMX.SB.Y.0007.000000T0000Z-071223T1200Z/
WORTH-HANCOCK-CERRO GORDO-WRIGHT-GREENE-AUDUBON-
INCLUDING THE CITIES OF...NORTHWOOD...GARNER...MASON CITY...
CLARION...JEFFERSON...AUDUBON
358 PM CST SAT DEC 22 2007

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

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

LIGHT SNOW IS POSSIBLE TONIGHT WITH ACCUMULATIONS UP TO ONE INCH
POSSIBLE. DUE TO THE LIMITED SNOWFALL...BLOWING SNOW IS NOT
EXPECTED TO MAKE A SIGNIFICANT IMPACT.

$$

IAZ027-028-037>039-048>050-059>062-071>075-081>086-092>097-230600-
/O.NEW.KDMX.BS.Y.0003.071223T1200Z-071224T0000Z/
/O.CON.KDMX.WS.W.0013.000000T0000Z-071223T1200Z/
BUTLER-BREMER-HARDIN-GRUNDY-BLACK HAWK-STORY-MARSHALL-TAMA-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...ALLISON...WAVERLY...ELDORA...
GRUNDY CENTER...WATERLOO...AMES...MARSHALLTOWN...TOLEDO...ADEL...
DES MOINES...NEWTON...GRINNELL...GREENFIELD...WINTERSET...
INDIANOLA...KNOXVILLE...OSKALOOSA...CORNING...CRESTON...OSCEOLA...
CHARITON...ALBIA...OTTUMWA...BEDFORD...MOUNT AYR...LEON...
CORYDON...CENTERVILLE...BLOOMFIELD
358 PM CST SAT DEC 22 2007

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM CST SUNDAY...
...BLOWING SNOW ADVISORY IN EFFECT FROM 6 AM TO 6 PM CST SUNDAY...

SNOW WILL CONTINUE ACROSS THE WARNED AREA THIS AFTERNOON AND INTO
THIS EVENING. THE SNOW WILL BE HEAVY AT TIMES THROUGH THE MID
EVENING HOURS. NORTHWEST WINDS OF 15 TO 25 MPH WITH GUSTS TO 35
MPH WILL CREATE BLOWING SNOW AND WILL FURTHER REDUCE VISIBILITIES
TO NEAR BLIZZARD CONDITIONS AT TIMES. THE SNOW WILL DIMINISH IN
INTENSITY BY MID TO LATE EVENING HOWEVER THE THREAT OF BLOWING
SNOW WILL CONTINUE THROUGH THE REMAINDER OF THE NIGHT. SNOWFALL
AMOUNTS WILL RANGE FROM 2 TO 5 INCHES ALONG THE NORTHWEST EDGE TO
A BAND OF 6 TO 10 INCHES ALONG SOUTHEAST SECTIONS OF THE WARNED
AREA.

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
SLEET...AND ICE ARE EXPECTED OR OCCURRING. IN THIS INSTANCE SNOW
ALONG WITH STRONG WINDS WILL BE THE PRIMARY CONCERN. THIS WILL
MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE LATER TODAY AND TONIGHT.

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.

$$

IAZ036-047-058-070-230600-
/O.CON.KDMX.SB.Y.0007.000000T0000Z-071223T1200Z/
HAMILTON-BOONE-GUTHRIE-CASS-
INCLUDING THE CITIES OF...WEBSTER CITY...BOONE...GUTHRIE CENTER...
ATLANTIC
358 PM CST SAT DEC 22 2007

...SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL 6 AM
CST SUNDAY...

LIGHT SNOW WILL CONTINUE TODAY AND INTO EARLY THIS EVENING WITH
AMOUNTS RANGING FROM 1 TO 3 INCHES POSSIBLE. NORTHWEST WINDS OF 15
TO 25 MPH...GUSTING TO 35 MPH WILL CAUSE BLOWING AND DRIFTING OF
SNOW THROUGH TONIGHT WITH REDUCED VISIBILITIES BELOW ONE MILE AT
TIMES.

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.

$$

DONAVON
000 
WWUS43 KDMX 230123
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
723 PM CST SAT DEC 22 2007

.A POTENT LATE DECEMBER STORM WILL CONTINUE TO BRING SNOWFALL TO
PORTIONS OF CENTRAL AND SOUTHERN IOWA THROUGH TONIGHT. THE GREATEST
AMOUNTS SNOW WILL OCCUR MAINLY EAST OF INTERSTATE 35. GUSTY
NORTHWEST WINDS WILL CONTINUE THROUGH SUNDAY WITH BLOWING SNOW
REMAINING A THREAT.

IAZ026-036-047-058-070-230230-
/O.CAN.KDMX.SB.Y.0007.000000T0000Z-071223T1200Z/
FRANKLIN-HAMILTON-BOONE-GUTHRIE-CASS-
INCLUDING THE CITIES OF...HAMPTON...WEBSTER CITY...BOONE...
GUTHRIE CENTER...ATLANTIC
723 PM CST SAT DEC 22 2007

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

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

ANY SNOW HAS TAPERED TO FLURRIES WITH NO ADDITIONAL ACCUMULATION
EXPECTED.

$$

IAZ027-028-037>039-048>050-059>062-071>075-081>086-092>097-231030-
/O.CON.KDMX.WS.W.0013.000000T0000Z-071223T1200Z/
/O.CON.KDMX.BS.Y.0003.071223T1200Z-071224T0000Z/
BUTLER-BREMER-HARDIN-GRUNDY-BLACK HAWK-STORY-MARSHALL-TAMA-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...ALLISON...WAVERLY...ELDORA...
GRUNDY CENTER...WATERLOO...AMES...MARSHALLTOWN...TOLEDO...ADEL...
DES MOINES...NEWTON...GRINNELL...GREENFIELD...WINTERSET...
INDIANOLA...KNOXVILLE...OSKALOOSA...CORNING...CRESTON...OSCEOLA...
CHARITON...ALBIA...OTTUMWA...BEDFORD...MOUNT AYR...LEON...
CORYDON...CENTERVILLE...BLOOMFIELD
723 PM CST SAT DEC 22 2007

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM CST SUNDAY...
...BLOWING SNOW ADVISORY REMAINS IN EFFECT FROM 6 AM TO 6 PM CST
SUNDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM CST SUNDAY. A
BLOWING SNOW ADVISORY REMAINS IN EFFECT FROM 6 AM TO 6 PM CST
SUNDAY. 

SNOW WILL CONTINUE ACROSS THE WARNED AREA THIS EVENING BUT TAPER
OFF FROM WEST TO EAST THROUGH MIDNIGHT. NORTHWEST WINDS OF 15 TO
25 MPH WITH GUSTS TO 35 MPH WILL CREATE BLOWING SNOW AND WILL
FURTHER REDUCE VISIBILITIES TO NEAR BLIZZARD CONDITIONS AT
TIMES...MAINLY IN OPEN AREAS. EVEN AS THE SNOW ENDS...THE THREAT
OF BLOWING SNOW WILL CONTINUE THROUGH THE REMAINDER OF THE NIGHT
AS THE STRONG WINDS CONTINUE. SNOWFALL AMOUNTS WILL RANGE FROM 2
TO 5 INCHES ALONG THE NORTHWEST EDGE TO A BAND OF 5 TO 10 INCHES
ALONG SOUTHEAST SECTIONS OF THE WARNED AREA.

THE STRONG NORTHWEST WINDS WILL PERSIST INTO SUNDAY WITH BLOWING
SNOW REMAINING PROBLEMATIC. VISIBILITIES ARE EXPECTED TO BE
REDUCED IN OPEN AREAS MAKING TRAVEL HAZARDOUS. IN ADDITION...THE
BLOWING SNOW WILL DRIFT ONTO HIGHWAYS AND ROADS PRODUCING ICY
CONDITIONS.  

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
SLEET...AND ICE ARE EXPECTED OR OCCURRING. IN THIS INSTANCE SNOW
ALONG WITH STRONG WINDS WILL BE THE PRIMARY CONCERN. THIS WILL
MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE LATER TODAY AND TONIGHT.

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.

$$

CC
000 
WWUS43 KDMX 230257
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
857 PM CST SAT DEC 22 2007

.A POTENT LATE DECEMBER STORM WILL CONTINUE TO BRING SNOWFALL TO
PORTIONS OF CENTRAL AND SOUTHERN IOWA THROUGH TONIGHT. THE
GREATEST AMOUNTS SNOW WILL OCCUR MAINLY EAST OF INTERSTATE 35.
GUSTY NORTHWEST WINDS WILL CONTINUE THROUGH SUNDAY WITH BLOWING
SNOW REMAINING A THREAT.

IAZ037-048-059-060-071>073-081>083-092>094-231100-
/O.CAN.KDMX.WS.W.0013.000000T0000Z-071223T1200Z/
/O.CON.KDMX.BS.Y.0003.071223T1200Z-071224T0000Z/
HARDIN-STORY-DALLAS-POLK-ADAIR-MADISON-WARREN-ADAMS-UNION-CLARKE-
TAYLOR-RINGGOLD-DECATUR-
INCLUDING THE CITIES OF...ELDORA...AMES...ADEL...DES MOINES...
GREENFIELD...WINTERSET...INDIANOLA...CORNING...CRESTON...
OSCEOLA...BEDFORD...MOUNT AYR...LEON
857 PM CST SAT DEC 22 2007

...BLOWING SNOW ADVISORY REMAINS IN EFFECT FROM 6 AM TO 6 PM CST
SUNDAY...
...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS CANCELLED THE
WINTER STORM WARNING. A BLOWING SNOW ADVISORY REMAINS IN EFFECT
FROM 6 AM TO 6 PM CST SUNDAY. 

ADDITIONAL SNOW IS NO LONGER EXPECTED TONIGHT. HOWEVER...NORTHWEST
WINDS WILL PERSIST AT 15 TO 25 MPH WITH GUSTS TO 35 MPH. THIS WILL
PRODUCE BLOWING AND DRIFTING SNOW...ESPECIALLY IN RURAL AREAS. THE
WINDS ARE FORECAST TO BE A BIT STRONGER ON SUNDAY WITH ADDITIONAL
REDUCTION IN VISIBILITIES IN OPEN AREAS. SNOW IS ALSO EXPECTED TO
BLOW OVER HIGHWAYS AND ROADS PRODUCING ICY CONDITIONS.

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.

$$

IAZ027-028-038-039-049-050-061-062-074-075-084>086-095>097-231100-
/O.CON.KDMX.WS.W.0013.000000T0000Z-071223T1200Z/
/O.CON.KDMX.BS.Y.0003.071223T1200Z-071224T0000Z/
BUTLER-BREMER-GRUNDY-BLACK HAWK-MARSHALL-TAMA-JASPER-POWESHIEK-
MARION-MAHASKA-LUCAS-MONROE-WAPELLO-WAYNE-APPANOOSE-DAVIS-
INCLUDING THE CITIES OF...ALLISON...WAVERLY...GRUNDY CENTER...
WATERLOO...MARSHALLTOWN...TOLEDO...NEWTON...GRINNELL...
KNOXVILLE...OSKALOOSA...CHARITON...ALBIA...OTTUMWA...CORYDON...
CENTERVILLE...BLOOMFIELD
857 PM CST SAT DEC 22 2007

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM CST SUNDAY...
...BLOWING SNOW ADVISORY REMAINS IN EFFECT FROM 6 AM TO 6 PM CST
SUNDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM CST SUNDAY. A
BLOWING SNOW ADVISORY REMAINS IN EFFECT FROM 6 AM TO 6 PM CST
SUNDAY. 

SNOW WILL GRADUALLY END ACROSS THE WARNED AREA THROUGH MIDNIGHT.
NORTHWEST WINDS OF 15 TO 25 MPH WITH GUSTS TO 35 MPH WILL CREATE
BLOWING SNOW AND WILL FURTHER REDUCE VISIBILITIES TO NEAR BLIZZARD
CONDITIONS AT TIMES...MAINLY IN OPEN AREAS. EVEN AS THE SNOW
ENDS...THE THREAT OF BLOWING SNOW WILL CONTINUE THROUGH THE
REMAINDER OF THE NIGHT AS THE STRONG WINDS CONTINUE. SNOWFALL
TOTALS OF 4 TO 8 INCHES ARE EXPECTED.

THE STRONG NORTHWEST WINDS WILL PERSIST INTO SUNDAY WITH BLOWING
SNOW REMAINING PROBLEMATIC. VISIBILITIES ARE EXPECTED TO BE
REDUCED IN OPEN AREAS MAKING TRAVEL HAZARDOUS. IN ADDITION...THE
BLOWING SNOW WILL DRIFT ONTO HIGHWAYS AND ROADS PRODUCING ICY
CONDITIONS.

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
SLEET...AND ICE ARE EXPECTED OR OCCURRING. IN THIS INSTANCE SNOW
ALONG WITH STRONG WINDS WILL BE THE PRIMARY CONCERN. THIS WILL
MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE LATER TODAY AND TONIGHT.

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.

$$

CC
000 
WWUS43 KDMX 230547
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
1147 PM CST SAT DEC 22 2007

.A POTENT LATE DECEMBER STORM WILL GRADUALLY PULL NORTHEAST OF THE
STATE OVERNIGHT. THE SNOW ACROSS THE AREA IS FORECAST TO GRADUALLY
DECREASE ALTHOUGH WINDS WILL REMAIN STRONG. THE GUSTY NORTHWEST
WINDS WILL CONTINUE THROUGH SUNDAY WITH BLOWING SNOW REMAINING A
THREAT.

IAZ027-038-049-061-074-084-085-095-096-231100-
/O.CAN.KDMX.WS.W.0013.000000T0000Z-071223T1200Z/
/O.CON.KDMX.BS.Y.0003.071223T1200Z-071224T0000Z/
BUTLER-GRUNDY-MARSHALL-JASPER-MARION-LUCAS-MONROE-WAYNE-APPANOOSE-
INCLUDING THE CITIES OF...ALLISON...GRUNDY CENTER...
MARSHALLTOWN...NEWTON...KNOXVILLE...CHARITON...ALBIA...CORYDON...
CENTERVILLE
1147 PM CST SAT DEC 22 2007

...BLOWING SNOW ADVISORY REMAINS IN EFFECT FROM 6 AM TO 6 PM CST
SUNDAY...
...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS CANCELLED THE
WINTER STORM WARNING. A BLOWING SNOW ADVISORY REMAINS IN EFFECT
FROM 6 AM TO 6 PM CST SUNDAY. 

SNOW HAS DIMINISHED ACROSS THE AREA WITH LITTLE ADDITIONAL
ACCUMULATION EXPECTED OVERNIGHT. HOWEVER...STRONG NORTHWEST WINDS
AT 15 TO 30 MPH WITH HIGHER GUSTS WILL PERSIST WITH BLOWING AND
DRIFTING SNOW...ESPECIALLY IN RURAL AREAS.

THE STRONG NORTHWEST WINDS WILL CONTINUE INTO SUNDAY AND INCREASE WITH
BLOWING SNOW REMAINING PROBLEMATIC. VISIBILITIES ARE EXPECTED TO
BE REDUCED IN OPEN AREAS MAKING TRAVEL HAZARDOUS. IN ADDITION...THE
BLOWING SNOW WILL DRIFT ONTO HIGHWAYS AND ROADS PRODUCING ICY
CONDITIONS.

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.

$$

IAZ028-039-050-062-075-086-097-231100-
/O.CON.KDMX.WS.W.0013.000000T0000Z-071223T1200Z/
/O.CON.KDMX.BS.Y.0003.071223T1200Z-071224T0000Z/
BREMER-BLACK HAWK-TAMA-POWESHIEK-MAHASKA-WAPELLO-DAVIS-
INCLUDING THE CITIES OF...WAVERLY...WATERLOO...TOLEDO...
GRINNELL...OSKALOOSA...OTTUMWA...BLOOMFIELD
1147 PM CST SAT DEC 22 2007

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM CST SUNDAY...
...BLOWING SNOW ADVISORY REMAINS IN EFFECT FROM 6 AM TO 6 PM CST
SUNDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM CST SUNDAY. A
BLOWING SNOW ADVISORY REMAINS IN EFFECT FROM 6 AM TO 6 PM CST
SUNDAY. 

SNOW WILL GRADUALLY END ACROSS THE WARNED AREA OVERNIGHT. NORTHWEST
WINDS OF 15 TO 30 MPH WITH GUSTS TO 40 MPH WILL CREATE BLOWING SNOW
AND WILL FURTHER REDUCE VISIBILITIES TO NEAR BLIZZARD CONDITIONS
AT TIMES...MAINLY IN OPEN AREAS. EVEN AS THE SNOW ENDS...THE
THREAT OF BLOWING SNOW WILL CONTINUE THROUGH THE REMAINDER OF THE
NIGHT AS THE STRONG WINDS CONTINUE. SNOWFALL TOTALS OF 4 TO 8
INCHES ARE EXPECTED.

THE STRONG NORTHWEST WINDS WILL PERSIST INTO SUNDAY AND INCREASE WITH
BLOWING SNOW REMAINING PROBLEMATIC. VISIBILITIES ARE EXPECTED TO BE
REDUCED IN OPEN AREAS MAKING TRAVEL HAZARDOUS. IN ADDITION...THE
BLOWING SNOW WILL DRIFT ONTO HIGHWAYS AND ROADS PRODUCING ICY
CONDITIONS.

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
SLEET...AND ICE ARE EXPECTED OR OCCURRING. IN THIS INSTANCE SNOW
ALONG WITH STRONG WINDS WILL BE THE PRIMARY CONCERN. THIS WILL
MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE LATER TODAY AND TONIGHT.

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.

$$

IAZ037-048-059-060-071>073-081>083-092>094-231100-
/O.CON.KDMX.BS.Y.0003.071223T1200Z-071224T0000Z/
HARDIN-STORY-DALLAS-POLK-ADAIR-MADISON-WARREN-ADAMS-UNION-CLARKE-
TAYLOR-RINGGOLD-DECATUR-
INCLUDING THE CITIES OF...ELDORA...AMES...ADEL...DES MOINES...
GREENFIELD...WINTERSET...INDIANOLA...CORNING...CRESTON...
OSCEOLA...BEDFORD...MOUNT AYR...LEON
1147 PM CST SAT DEC 22 2007

...BLOWING SNOW ADVISORY REMAINS IN EFFECT FROM 6 AM TO 6 PM CST
SUNDAY...

A BLOWING SNOW ADVISORY REMAINS IN EFFECT FROM 6 AM TO 6 PM CST
SUNDAY. 

NORTHWEST WINDS ARE FORECAST AT 15 TO 30 MPH WITH GUSTS TO 40 MPH
ON SUNDAY. THIS WILL PRODUCE BLOWING AND DRIFTING SNOW...
ESPECIALLY IN RURAL AREAS WITH REDUCED VISIBILITIES BELOW ONE
MILE.  SNOW IS ALSO EXPECTED TO BLOW OVER HIGHWAYS AND ROADS
PRODUCING ICY CONDITIONS.

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.

$$

CC
000 
WWUS43 KDMX 231001
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
401 AM CST SUN DEC 23 2007

...THE WINTER STORM HAS EXITED THE AREA...TRACKING TO THE
NORTHEAST OVERNIGHT. THUS THE SNOW HAS ENDED...ALLOWING
VISIBILITIES TO IMPROVE THROUGHOUT THE WARNED AREA...

IAZ028-039-050-062-075-086-097-231115-
/O.CAN.KDMX.WS.W.0013.000000T0000Z-071223T1200Z/
/O.CAN.KDMX.BS.Y.0003.071223T1200Z-071224T0000Z/
BREMER-BLACK HAWK-TAMA-POWESHIEK-MAHASKA-WAPELLO-DAVIS-
INCLUDING THE CITIES OF...WAVERLY...WATERLOO...TOLEDO...
GRINNELL...OSKALOOSA...OTTUMWA...BLOOMFIELD
401 AM CST SUN DEC 23 2007

...WINTER STORM WARNING IS CANCELLED...
...BLOWING SNOW ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS CANCELLED THE
WINTER STORM WARNING. THE BLOWING SNOW ADVISORY HAS BEEN
CANCELLED. 

THE SNOW HAS ENDED ACROSS THE AREA ALLOWING VISIBILITIES TO
IMPROVE. WHILE AREAS OF BLOWING SNOW WILL STILL BE POSSIBLE...AS
STRONG GUSTY NORTHWEST WINDS OF 20 TO 30 MPH PERSIST THROUGH THE
DAY...HOWEVER VISIBILITIES ARE NOT EXPECTED TO BE GREATLY REDUCED
AT THIS TIME...THUS THE BLOWING SNOW ADVISORY HAS BEEN CANCELLED.

$$

IAZ027-037-038-048-049-059>061-071>074-081>085-092>096-231115-
/O.CAN.KDMX.BS.Y.0003.071223T1200Z-071224T0000Z/
BUTLER-HARDIN-GRUNDY-STORY-MARSHALL-DALLAS-POLK-JASPER-ADAIR-
MADISON-WARREN-MARION-ADAMS-UNION-CLARKE-LUCAS-MONROE-TAYLOR-
RINGGOLD-DECATUR-WAYNE-APPANOOSE-
INCLUDING THE CITIES OF...ALLISON...ELDORA...GRUNDY CENTER...
AMES...MARSHALLTOWN...ADEL...DES MOINES...NEWTON...GREENFIELD...
WINTERSET...INDIANOLA...KNOXVILLE...CORNING...CRESTON...OSCEOLA...
CHARITON...ALBIA...BEDFORD...MOUNT AYR...LEON...CORYDON...
CENTERVILLE
401 AM CST SUN DEC 23 2007

...BLOWING SNOW ADVISORY IS CANCELLED...

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

AREAS OF BLOWING SNOW DUE TO SNOWFALL ON SATURDAY WILL STILL BE
POSSIBLE...AS STRONG GUSTY NORTHWEST WINDS OF 20 TO 30 MPH
PERSIST THROUGH THE DAY. HOWEVER VISIBILITIES ARE NOT EXPECTED
TO BE GREATLY REDUCED AT THIS TIME...THUS THE BLOWING SNOW
ADVISORY HAS BEEN CANCELLED.

$$

ALBRECHT

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 22, 4:30 AM CSTSnow and Blowing Snow AdvisoryDMXAudubon, Boone, Calhoun, Carroll, Cass, Cerro Gordo and 12 more15 hr
Dec 22, 3:58 PM CSTBlowing Snow AdvisoryDMXAdair, Adams, Appanoose, Black Hawk, Bremer, Butler and 23 more12 hr

Nearby

Winter Storm Warnings in Iowa, 2007Every winter storm warning in 2007

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.