Alert archive / Iowa / Winter Storm Warnings in 2008

Winter Storm Warning 2, NWS Des Moines, IA

February 16, 200829 counties in Iowa

NWS Des Moines, IA issued this winter storm warning at Feb 16, 2008, 3:49 PM CST for 29 counties in Iowa. It took effect at Feb 17, 2008, 12:00 AM CST. It was in force for 9 hr. 19 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 16, 2008, 3:49 PM CST (21:49 UTC)
In effect from
Feb 17, 2008, 12:00 AM CST
Expired
Feb 17, 2008, 9:00 AM CST
In force
9 hr
Issued by
NWS Des Moines, IA
All 29 counties

Adair County, IA, Adams County, IA, Appanoose County, IA, Black Hawk County, IA, Bremer County, IA, Cass County, IA, Clarke County, IA, Dallas County, IA, Davis County, IA, Decatur County, IA, Grundy County, IA, Guthrie 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), 43 km from the middle of the area, began a volume at 21:51 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, 5:19 AM CSTFREEZING RAIN 0.01Marshalltown, IAVERY THIN COAT OF ICE ON GROUND.
Feb 17, 5:33 AM CSTFREEZING RAIN 0.05Waterloo, IATHIN COAT OF ICE.
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

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 12:00Z, 9.8 hours before the alert went out and 245 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 12:00Z on 2008-02-16Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Davenport, at 12:00Z on 2008-02-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 73 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1321 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
73 m²/s²
0-3 km storm-relative helicity
180 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 162149
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
349 PM CST SAT FEB 16 2008

...ICE STORM AND BLIZZARD CONDITIONS LIKELY TONIGHT THROUGH
SUNDAY ACROSS MUCH OF CENTRAL AND SOUTHERN IOWA...

.A POTENT WINTER STORM WILL LIFT NORTH OUT OF EAST TEXAS
TONIGHT...AND PUSH THROUGH THE MID MISSISSIPPI VALLEY INTO SUNDAY.
THIS SYSTEM WILL LIKELY PRODUCE SIGNIFICANT ICE
ACCUMULATIONS...FOLLOWED BY SNOW AND BLIZZARD CONDITIONS...ACROSS
MUCH OF CENTRAL AND SOUTHERN IOWA TONIGHT THROUGH SUNDAY NIGHT.

IAZ028-038-039-048>050-058>062-070>075-081>086-092>097-170600-
/O.UPG.KDMX.WS.A.0003.080217T0600Z-080217T1500Z/
/O.NEW.KDMX.WS.W.0002.080217T0600Z-080217T1500Z/
/O.CON.KDMX.BZ.A.0001.080217T1500Z-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
349 PM CST SAT FEB 16 2008

...WINTER STORM WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM
CST SUNDAY...
...BLIZZARD WATCH REMAINS IN EFFECT FROM SUNDAY MORNING THROUGH
SUNDAY EVENING...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WINTER
STORM WARNING...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM
CST SUNDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. A
BLIZZARD WATCH REMAINS IN EFFECT FROM SUNDAY MORNING THROUGH
SUNDAY EVENING. 

|RAIN AND POSSIBLY SOME FREEZING RAIN WILL SPREAD INTO SOUTHERN
IOWA EARLY THIS EVENING. PRECIPITATION WILL THEN SPREAD NORTH INTO
CENTRAL IOWA FROM LATE EVENING THROUGH THE OVERNIGHT HOURS. AS
TEMPERATURES COOL...THE RAIN WILL CHANGE TO FREEZING RAIN...AND
EVENTUALLY TO ALL SNOW. SIGNIFICANT ICE ACCUMULATIONS OF A
QUARTER TO ONE HALF INCH AREA LIKELY THROUGH MID MORNING SUNDAY
SOUTHEAST OF A WATERLOO TO ATLANTIC LINE. AMOUNTS OF ONE HALF
INCH...WITH SPOTTY THREE QUARTER INCH AMOUNTS...ARE EXPECTED
SOUTHEAST OF A BROOKLYN TO MT AYR LINE. 

FREEZING RAIN WILL CHANGE OVER TO ALL SNOW FROM NORTH TO SOUTH
LATE TONIGHT THROUGH SUNDAY MORNING. TOTAL SNOWFALL OF 4 TO 8
INCHES IS EXPECTED BY SUNDAY EVENING...WITH LOCALLY HIGHER AMOUNTS
POSSIBLE. A NORTHWEST WIND WILL INCREASE SUNDAY 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 WILL LIKELY
CAUSE POWER LINES TO BEGIN GALLOPING...POTENTIALLY EXACERBATING
THE SITUATION WITH POWER OUTAGES.

EMERGENCY MANAGEMENT OFFICIALS ARE ADVISING PEOPLE THE 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 WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
ICE AND SNOW ACCUMULATIONS THAT MAY IMPACT TRAVEL.

A BLIZZARD WATCH MEANS THERE IS A POTENTIAL FOR FALLING OR
BLOWING SNOW WITH STRONG WINDS AND EXTREMELY POOR VISIBILITIES.
THIS CAN LEAD TO WHITEOUT CONDITIONS AND MAKE TRAVEL VERY
DANGEROUS...IF NOT IMPOSSIBLE. CONTINUE TO MONITOR THE LATEST
FORECASTS.

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 WATCH MEANS THERE IS A POTENTIAL FOR FALLING AND/OR
BLOWING SNOW WITH STRONG WINDS AND EXTREMELY POOR VISIBILITIES.
THIS CAN LEAD TO WHITEOUT CONDITIONS AND MAKE TRAVEL VERY
DANGEROUS.

$$

IAZ016-023-024-033-034-044-045-170600-
/O.EXA.KDMX.BZ.A.0001.080217T1500Z-080218T0600Z/
HANCOCK-POCAHONTAS-HUMBOLDT-SAC-CALHOUN-CRAWFORD-CARROLL-
INCLUDING THE CITIES OF...GARNER...POCAHONTAS...HUMBOLDT...
SAC CITY...ROCKWELL CITY...DENISON...CARROLL
349 PM CST SAT FEB 16 2008

...BLIZZARD WATCH IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY
EVENING...

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

A NORTHWEST WIND WILL INCREASE SUNDAY MORNING AND CONTINUE
THROUGH THE EVENING HOURS. EXPECT SUSTAINED SPEEDS OF 25 TO
35 MPH...WITH GUSTS AROUND 50 MPH AT TIMES...WHICH WILL CREATE
SIGNIFICANT BLOWING AND DRIFTING SNOW. WHITEOUT CONDITIONS ARE
LIKELY AT TIMES...ESPECIALLY IN OPEN AREAS. TOTAL SNOWFALL
AMOUNTS OF 2 TO 5 INCHES ARE EXPECTED BY SUNDAY EVENING.

PRIOR TO THE EXPECTED BLIZZARD CONDITIONS SUNDAY...FREEZING RAIN
WILL SPREAD NORTH INTO INTO PARTS OF CENTRAL AND NORTHERN IOWA
LATE THIS EVENING...THEN CHANGE OVER TO SNOW BY SUNRISE SUNDAY.
ICE ACCUMULATIONS ARE EXPECTED TO BE UNDER ONE TENTH OF AN INCH.

A BLIZZARD WATCH MEANS THERE IS A POTENTIAL FOR FALLING OR
BLOWING SNOW WITH STRONG WINDS AND EXTREMELY POOR VISIBILITIES.
THIS CAN LEAD TO WHITEOUT CONDITIONS AND MAKE TRAVEL VERY
DANGEROUS...IF NOT IMPOSSIBLE. CONTINUE TO MONITOR THE LATEST
FORECASTS.

$$

IAZ017-025>027-035>037-046-047-057-170600-
/O.CON.KDMX.BZ.A.0001.080217T1500Z-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
349 PM CST SAT FEB 16 2008

...BLIZZARD WATCH REMAINS IN EFFECT FROM SUNDAY MORNING THROUGH
SUNDAY EVENING...

A BLIZZARD WATCH REMAINS IN EFFECT FROM SUNDAY MORNING THROUGH
SUNDAY EVENING. 

A NORTHWEST WIND WILL INCREASE SUNDAY MORNING AND CONTINUE
THROUGH THE EVENING HOURS. EXPECT SUSTAINED SPEEDS OF 25 TO
35 MPH...WITH GUSTS AROUND 50 MPH AT TIMES...WHICH WILL CREATE
SIGNIFICANT BLOWING AND DRIFTING SNOW. WHITEOUT CONDITIONS ARE
LIKELY AT TIMES...ESPECIALLY IN OPEN AREAS. TOTAL SNOWFALL
AMOUNTS OF 2 TO 5 INCHES ARE EXPECTED BY SUNDAY EVENING.

PRIOR TO THE EXPECTED BLIZZARD CONDITIONS SUNDAY...FREEZING RAIN
WILL SPREAD NORTH INTO INTO PARTS OF CENTRAL AND NORTHERN IOWA
LATE THIS EVENING...THEN CHANGE OVER TO SNOW BY SUNRISE SUNDAY.
ICE ACCUMULATIONS OF ONE TO TWO TENTHS OF AN INCH ARE POSSIBLE
THROUGH TONIGHT...ACROSS AREAS FROM AUDUBON...THROUGH FORT DODGE
AND BOONE...TO WAVERLY.

A BLIZZARD WATCH MEANS THERE IS A POTENTIAL FOR FALLING OR
BLOWING SNOW WITH STRONG WINDS AND EXTREMELY POOR VISIBILITIES.
THIS CAN LEAD TO WHITEOUT CONDITIONS AND MAKE TRAVEL VERY
DANGEROUS...IF NOT IMPOSSIBLE. CONTINUE TO MONITOR THE LATEST
FORECASTS.

$$
5 follow-up statements
000 
WWUS43 KDMX 162200
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
400 PM CST SAT FEB 16 2008

...ICE STORM AND BLIZZARD CONDITIONS LIKELY TONIGHT THROUGH
SUNDAY ACROSS MUCH OF CENTRAL AND SOUTHERN IOWA...

.A POTENT WINTER STORM WILL LIFT NORTH OUT OF EAST TEXAS
TONIGHT...AND PUSH THROUGH THE MID MISSISSIPPI VALLEY INTO
SUNDAY. THIS SYSTEM WILL LIKELY PRODUCE SIGNIFICANT ICE
ACCUMULATIONS...FOLLOWED BY SNOW AND BLIZZARD CONDITIONS...ACROSS
MUCH OF CENTRAL AND SOUTHERN IOWA TONIGHT THROUGH SUNDAY NIGHT.

IAZ028-038-039-048>050-058>062-070>075-081>086-092>097-170600-
/O.CON.KDMX.WS.W.0002.080217T0600Z-080217T1500Z/
/O.CON.KDMX.BZ.A.0001.080217T1500Z-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
400 PM CST SAT FEB 16 2008

...WINTER STORM WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT
TO 9 AM CST SUNDAY...
...BLIZZARD WATCH REMAINS IN EFFECT FROM SUNDAY MORNING THROUGH
SUNDAY EVENING...

A WINTER STORM WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO
9 AM CST SUNDAY. A BLIZZARD WATCH REMAINS IN EFFECT FROM SUNDAY
MORNING THROUGH SUNDAY EVENING. 

RAIN AND POSSIBLY SOME FREEZING RAIN WILL SPREAD INTO SOUTHERN
IOWA EARLY THIS EVENING. PRECIPITATION WILL THEN SPREAD NORTH INTO
CENTRAL IOWA FROM LATE EVENING THROUGH THE OVERNIGHT HOURS. AS
TEMPERATURES COOL...THE RAIN WILL CHANGE TO FREEZING RAIN... AND
EVENTUALLY TO ALL SNOW. SIGNIFICANT ICE ACCUMULATIONS OF A QUARTER
TO ONE HALF INCH AREA LIKELY THROUGH MID MORNING SUNDAY SOUTHEAST
OF A WATERLOO TO ATLANTIC LINE. AMOUNTS OF ONE HALF INCH...WITH
SPOTTY THREE QUARTER INCH AMOUNTS...ARE EXPECTED SOUTHEAST OF A
BROOKLYN TO MT AYR LINE.

FREEZING RAIN WILL CHANGE OVER TO ALL SNOW FROM NORTH TO SOUTH
LATE TONIGHT THROUGH SUNDAY MORNING. TOTAL SNOWFALL OF 4 TO
8 INCHES IS EXPECTED BY SUNDAY EVENING...WITH LOCALLY HIGHER
AMOUNTS POSSIBLE. A NORTHWEST WIND WILL INCREASE SUNDAY 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
WILL LIKELY CAUSE POWER LINES TO BEGIN GALLOPING...POTENTIALLY
EXACERBATING THE SITUATION WITH POWER OUTAGES.

EMERGENCY MANAGEMENT OFFICIALS ARE ADVISING PEOPLE THE 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 WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
ICE AND SNOW ACCUMULATIONS THAT MAY IMPACT TRAVEL.

A BLIZZARD WATCH MEANS THERE IS A POTENTIAL FOR FALLING OR
BLOWING SNOW WITH STRONG WINDS AND EXTREMELY POOR VISIBILITIES.
THIS CAN LEAD TO WHITEOUT CONDITIONS AND MAKE TRAVEL VERY
DANGEROUS...IF NOT IMPOSSIBLE. CONTINUE TO MONITOR THE LATEST
FORECASTS.

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 WATCH MEANS THERE IS A POTENTIAL FOR FALLING AND/OR
BLOWING SNOW WITH STRONG WINDS AND EXTREMELY POOR VISIBILITIES.
THIS CAN LEAD TO WHITEOUT CONDITIONS AND MAKE TRAVEL VERY
DANGEROUS.

$$

IAZ016-017-023>027-033>037-044>047-057-170600-
/O.CON.KDMX.BZ.A.0001.080217T1500Z-080218T0600Z/
HANCOCK-CERRO GORDO-POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-
SAC-CALHOUN-WEBSTER-HAMILTON-HARDIN-CRAWFORD-CARROLL-GREENE-BOONE-
AUDUBON-
INCLUDING THE CITIES OF...GARNER...MASON CITY...POCAHONTAS...
HUMBOLDT...CLARION...HAMPTON...ALLISON...SAC CITY...
ROCKWELL CITY...FORT DODGE...WEBSTER CITY...ELDORA...DENISON...
CARROLL...JEFFERSON...BOONE...AUDUBON
400 PM CST SAT FEB 16 2008

...BLIZZARD WATCH REMAINS IN EFFECT FROM SUNDAY MORNING THROUGH
SUNDAY EVENING...

A BLIZZARD WATCH REMAINS IN EFFECT FROM SUNDAY MORNING THROUGH
SUNDAY EVENING. 

A NORTHWEST WIND WILL INCREASE SUNDAY MORNING AND CONTINUE
THROUGH THE EVENING HOURS. EXPECT SUSTAINED SPEEDS OF 25 TO
35 MPH...WITH GUSTS AROUND 50 MPH AT TIMES...WHICH WILL CREATE
SIGNIFICANT BLOWING AND DRIFTING SNOW. WHITEOUT CONDITIONS ARE
LIKELY AT TIMES...ESPECIALLY IN OPEN AREAS. TOTAL SNOWFALL
AMOUNTS OF 2 TO 5 INCHES ARE EXPECTED BY SUNDAY EVENING.

PRIOR TO THE EXPECTED BLIZZARD CONDITIONS SUNDAY...FREEZING RAIN
WILL SPREAD NORTH INTO INTO PARTS OF CENTRAL AND NORTHERN IOWA
LATE THIS EVENING...THEN CHANGE OVER TO SNOW BY SUNRISE SUNDAY.
ICE ACCUMULATIONS OF ONE TO TWO TENTHS OF AN INCH ARE POSSIBLE
THROUGH TONIGHT...ACROSS AREAS FROM AUDUBON...THROUGH FORT DODGE
AND BOONE...TO WAVERLY.

A BLIZZARD WATCH MEANS THERE IS A POTENTIAL FOR FALLING OR
BLOWING SNOW WITH STRONG WINDS AND EXTREMELY POOR VISIBILITIES.
THIS CAN LEAD TO WHITEOUT CONDITIONS AND MAKE TRAVEL VERY
DANGEROUS...IF NOT IMPOSSIBLE. CONTINUE TO MONITOR THE LATEST
FORECASTS.

$$
000 
WWUS43 KDMX 170304
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
904 PM CST SAT FEB 16 2008

...ICE STORM AND BLIZZARD CONDITIONS LIKELY TONIGHT THROUGH
SUNDAY ACROSS MUCH OF CENTRAL AND SOUTHERN IOWA...

.A POTENT WINTER STORM WILL LIFT NORTH OUT OF EAST TEXAS
TONIGHT...AND PUSH THROUGH THE MID MISSISSIPPI VALLEY INTO
SUNDAY. THIS SYSTEM WILL LIKELY PRODUCE SIGNIFICANT ICE
ACCUMULATIONS...FOLLOWED BY SNOW AND BLIZZARD CONDITIONS...ACROSS
MUCH OF CENTRAL AND SOUTHERN IOWA TONIGHT THROUGH SUNDAY NIGHT.

IAZ028-038-039-048>050-058>062-070>075-081>086-092>097-171030-
/O.CON.KDMX.WS.W.0002.080217T0600Z-080217T1500Z/
/O.CON.KDMX.BZ.A.0001.080217T1500Z-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
904 PM CST SAT FEB 16 2008

...WINTER STORM WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT
TO 9 AM CST SUNDAY...
...BLIZZARD WATCH REMAINS IN EFFECT FROM SUNDAY MORNING THROUGH
SUNDAY EVENING...

A WINTER STORM WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO
9 AM CST SUNDAY. A BLIZZARD WATCH REMAINS IN EFFECT FROM SUNDAY
MORNING THROUGH SUNDAY EVENING. 

RAIN AND POSSIBLY SOME FREEZING RAIN WILL SPREAD INTO SOUTHERN
IOWA TONIGHT...AND THEN NORTH INTO CENTRAL IOWA OVERNIGHT. AS
TEMPERATURES COOL...THE RAIN WILL CHANGE TO FREEZING RAIN... AND
EVENTUALLY TO ALL SNOW SUNDAY MORNING. SIGNIFICANT ICE
ACCUMULATIONS OF A QUARTER TO ONE HALF INCH AREA LIKELY THROUGH
MID MORNING SUNDAY SOUTHEAST OF A WATERLOO TO ATLANTIC LINE.
AMOUNTS OF ONE HALF INCH...WITH SPOTTY THREE QUARTER INCH
AMOUNTS...ARE EXPECTED SOUTHEAST OF A BROOKLYN TO MT AYR LINE.

FREEZING RAIN WILL CHANGE OVER TO ALL SNOW BETWEEN 600 AM AND 900
AM SUNDAY MORNING. TOTAL SNOWFALL OF 4 TO 8 INCHES IS EXPECTED BY
SUNDAY EVENING...WITH LOCALLY HIGHER AMOUNTS POSSIBLE. A NORTHWEST
WIND WILL INCREASE SUNDAY 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 WILL LIKELY CAUSE POWER LINES TO BEGIN
GALLOPING...POTENTIALLY EXACERBATING THE SITUATION WITH 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 WATCH MEANS THERE IS A POTENTIAL FOR FALLING OR
BLOWING SNOW WITH STRONG WINDS AND EXTREMELY POOR VISIBILITIES.
THIS CAN LEAD TO WHITEOUT CONDITIONS AND MAKE TRAVEL VERY
DANGEROUS...IF NOT IMPOSSIBLE. CONTINUE TO MONITOR THE LATEST
FORECASTS.

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.

$$

IAZ016-017-023>027-033>037-044>047-057-171030-
/O.CON.KDMX.BZ.A.0001.080217T1500Z-080218T0600Z/
HANCOCK-CERRO GORDO-POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-
SAC-CALHOUN-WEBSTER-HAMILTON-HARDIN-CRAWFORD-CARROLL-GREENE-BOONE-
AUDUBON-
INCLUDING THE CITIES OF...GARNER...MASON CITY...POCAHONTAS...
HUMBOLDT...CLARION...HAMPTON...ALLISON...SAC CITY...
ROCKWELL CITY...FORT DODGE...WEBSTER CITY...ELDORA...DENISON...
CARROLL...JEFFERSON...BOONE...AUDUBON
904 PM CST SAT FEB 16 2008

...BLIZZARD WATCH REMAINS IN EFFECT FROM SUNDAY MORNING THROUGH
SUNDAY EVENING...

A BLIZZARD WATCH REMAINS IN EFFECT FROM SUNDAY MORNING THROUGH
SUNDAY EVENING. 

SNOW WILL DEVELOP SUNDAY 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.
WHITEOUT CONDITIONS ARE LIKELY...ESPECIALLY IN OPEN AREAS. TOTAL
SNOWFALL AMOUNTS OF 2 TO 5 INCHES ARE EXPECTED BY SUNDAY EVENING.

PRIOR TO THE EXPECTED BLIZZARD CONDITIONS SUNDAY...FREEZING RAIN
WILL SPREAD NORTH INTO PARTS OF CENTRAL AND NORTHERN IOWA LATE
THIS EVENING...THEN CHANGE OVER TO ALL SNOW BY SUNRISE SUNDAY. ICE
ACCUMULATIONS OF ONE TO TWO TENTHS OF AN INCH ARE POSSIBLE
OVERNIGHT...ACROSS AREAS FROM AUDUBON...THROUGH FORT DODGE AND
BOONE...TO WAVERLY.

A BLIZZARD WATCH MEANS THERE IS A POTENTIAL FOR FALLING OR
BLOWING SNOW WITH STRONG WINDS AND EXTREMELY POOR VISIBILITIES.
THIS CAN LEAD TO WHITEOUT CONDITIONS AND MAKE TRAVEL VERY
DANGEROUS...IF NOT IMPOSSIBLE. CONTINUE TO MONITOR THE LATEST
FORECASTS.

$$
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
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.

$$

What forecasters said that day

The local office's own words before this winter storm 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 winter storm warning went out at Feb 16, 6:25 AM CST, 9 hours 24 minutes earlier.

Area forecast discussion, Feb 16, 6:25 AM CST, 9 hours 24 minutes before
AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE DES MOINES IA
625 AM CST SAT FEB 16 2008

...POTENTIAL FOR SIGNIFICANT ICING TONIGHT FOLLOWED IMMEDIATELY BY
DANGEROUS BLIZZARD CONDITIONS SUNDAY...

.UPDATED FOR 16/12Z AVIATION DISCUSSION.

.SHORT TERM /TODAY/...
SOUTHERLY FLOW WILL INCREASE TODAY IN ADVANCE OF THE POTENT STORM
SYSTEM HEADING OUT OF THE SOUTHERN PLAINS. RAIN WILL LIKELY SPREAD
INTO NORTHERN MISSOURI DURING THE AFTERNOON...WITH THE WILD WEATHER
HOLDING OFF UNTIL THIS EVENING FOR OUR FORECAST AREA. TEMPERATURES
WILL WARM SUBSTANTIALLY THIS AFTERNOON...BUT WITH RELATIVELY COLD
START TO THE DAY AND LINGERING SNOW COVER HAVE STAYED NEAR COOL END
OF GUIDANCE.

.LONG TERM /TONIGHT-FRIDAY/...
VERY COMPLEX AND POTENTIALLY DANGEROUS WINTER WEATHER SCENARIO
STILL EVOLVING FOR OUR AREA TONIGHT THROUGH SUNDAY NIGHT. SYNOPTIC
PLAYERS STILL MOVING ALONG AS PLANNED WITH POTENT SOUTHERN STREAM
UPPER LEVEL LOW MOVING NORTHEAST FROM TEXAS TONIGHT...TAKING ON A
SLIGHT NEGATIVE TILT BY SUNDAY MORNING AS IT MOVES OVER THE MID MS
VLY...AND THEN BECOMING ABSORBED IN DEVELOPING LONG WAVE TROUGH
BEING CARVED OUT BY NORTHERN STREAM WAVE CURRENTLY CROSSING THE
NRN ROCKIES. MODELS IN GOOD AGREEMENT WITH PATH OF STRENGHTENING
SFC LOW PRESSURE FROM CENTRAL TEXAS TO CENTRAL MISSOURI BY SUNDAY
MORNING...THEN TO VICINITY OF LOWER LAKE MICHIGAN BY SUNDAY NIGHT.
MOISTURE WILL SURGE NORTH INTO THE MID MS VALLEY AND EVENTUALLY
GET PULLED BACK IN OVER IOWA. TRENDS OVER THE PAST COUPLE OF RUNS
INCLUDE STRENGTHENING THE MID LEVEL WARM NOSE AHEAD OF THE LOW
PRESSURE OVER CENTRAL IOWA AND TRACKING THE WHOLE SYSTEM A LITTLE
FARTHER NORTHWEST. PRECIP IS EXPECTED TO RAPIDLY MOVE NORTH INTO
SOUTHERN IOWA THIS EVENING...BUT WILL LIKELY FALL AS JUST RAIN
ACROSS THE SOUTHERN TWO TIERS INITIALLY...WITH FREEZING RAIN TO THE
NORTH. FREEZING RAIN WILL EXPAND NORTH TOWARD MIDNIGHT...AND THE
RAIN ACROSS THE FAR SOUTH WILL GRADUALLY CHANGE TO FREEZING RAIN AS
COLDER SURFACE AIR IS ADVECTED INTO REGION FROM THE NORTHEAST.

LOOKING AT THE POTENTIAL FOR ONE QUARTER TO ONE THIRD INCH OF ICE
ACCRUAL ACROSS CENTRAL IOWA IN A CORRIDOR FROM BEDFORD TO DES
MOINES TO WATERLOO...WITH LESSER AMOUNTS IN THE FAR SOUTHEAST
WHERE IT WILL TAKE LONGER TO COOL BACK BELOW FREEZING. MODEL
SOUNDINGS IN GOOD AGREEMENT WITH CRASHING SOUNDINGS BELOW ZERO
THROUGH THE ENTIRE COLUMN BY 12Z AT DES MOINES AND POINTS
NORTHWEST...AND THEN BY 15Z AT OTTUMWA. AS LOW PRESSURE PASSES
EAST OF CENTRAL IOWAS LONGITUDE SUNDAY MORNING...THE PRESSURE
GRADIENT TIGHTENS DRAMATICALLY ALLOWING NORTH TO NORTHWEST WINDS
TO BLOW 25 TO 35 MPH WITH GUSTS UP TO AT LEAST 45 MPH. THIS
COMBINED WITH EXPECTED SNOWFALL...WHICH WILL BE HEAVY SOUTHEAST OF
A FROM WATERLOO TO DES MOINES...THERE IS LITTLE DOUBT BLIZZARD
CONDITIONS WILL OCCUR...ASSUMING CURRENT FORECAST TRACK HOLDS.

IN ORDER TO RAISE AWARENESS OF THIS DANGEROUS SITUATION...HAVE
OPTED TO CUT THE WINTER STORM WATCH SHORT AT 15Z SUNDAY WHEN THE
THREAT OF WINTER HAZARDS WILL CHANGE FROM AN ICE AND SNOW THREAT
TO THAT OF A PURE BLIZZARD...AND ISSUE A BLIZZARD WATCH FOR A
LARGER AREA. WITH A GOOD PORTION OF THE QPF OCCURRING DURING THE
WARMER PHASE OF THE STORM...HAVE INCREASED ICE ACCRUAL FOR
PORTIONS OF THE AREA...UP TO ONE THIRD OF AN INCH...AND MASSAGED
EXPECTED SNOWFALL. HOWEVER...STILL APPEARS THAT 4 TO 8 INCHES OF
SNOW IS LIKELY ACROSS THE SOUTHEAST HALF. WILL NEED TO CONTINUE TO
MONITOR POSSIBILITY OF A CONTINUED NORTHWESTWARD SHIFT IN THE
WHOLE SYSTEM WHICH COULD MOVE HEAVIEST BAND OF SNOW FARTHER INTO
CENTRAL IOWA.

BEST DYNAMICS AND TROWAL FEATURE MOVE EAST OF THE AREA SUNDAY
AFTERNOON...SO EXPECT SNOWFALL TO TAPER OFF WEST TO EAST.
HOWEVER...CONSIDERABLE BLOWING SNOW WILL BE ONGOING AND CONTINUING
INTO SUNDAY NIGHT. IN ADDITION...A BIT OF UPPER LEVEL ENERGY
CROSSES THE REGION SUNDAY NIGHT...AND COMBINED WITH A DEEP NEARLY
SATURATED AND ADIABATIC PROFILE TO 700 MB...EXPECT SCATTERED SNOW
SHOWERS TO OCCUR THROUGH THE NIGHT.

NO CHANGES MADE TO FORECAST BEYOND MONDAY...BUT THERE IS THE
POTENTIAL FOR MORE WINTER STORMS LATER IN THE WEEK AND NEXT
WEEKEND.

&&

.AVIATION...16/12Z
QUIET WEATHER TODAY WITH AN INCREASING SOUTH WIND. LOW CLOUDS WILL
PUSH INTO SOUTHERN IOWA LATE THIS AFTERNOON AND EARLY THIS EVENING
ALONG WITH WINTRY MIX OF PRECIP. THROUGH 17/12Z...WILL KEEP PRECIP
ALL -SN AT FOD...-FZRA AT ALO/DSM...AND -RA TRANSITIONING TO -FZRA
AT OTM.

&&

.DMX WATCHES/WARNINGS/ADVISORIES...
BLIZZARD WATCH FROM SUNDAY MORNING THROUGH SUNDAY EVENING FOR
ADAIR-ADAMS-APPANOOSE-AUDUBON-BLACK HAWK-BOONE-BREMER-BUTLER-
CASS-CERRO GORDO-CLARKE-DALLAS-DAVIS-DECATUR-FRANKLIN-GREENE-
GRUNDY-GUTHRIE-HAMILTON-HARDIN-JASPER-LUCAS-MADISON-MAHASKA-
MARION-MARSHALL-MONROE-POLK-POWESHIEK-RINGGOLD-STORY-TAMA-TAYLOR-
UNION-WAPELLO-WARREN-WAYNE-WEBSTER-WRIGHT.

WINTER STORM WATCH FROM LATE TONIGHT THROUGH SUNDAY MORNING FOR
ADAIR-ADAMS-APPANOOSE-BLACK HAWK-BREMER-CASS-CLARKE-DALLAS-DAVIS-
DECATUR-GRUNDY-GUTHRIE-JASPER-LUCAS-MADISON-MAHASKA-MARION-
MARSHALL-MONROE-POLK-POWESHIEK-RINGGOLD-STORY-TAMA-TAYLOR-UNION-
WAPELLO-WARREN-WAYNE.

&&

SHORT TERM/AVIATION...KINNEY
LONG TERM...MOYER
Hazardous weather outlook, Feb 16, 10:29 AM CST, 5 hours 20 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE DES MOINES IA
1029 AM CST SAT FEB 16 2008

IAZ028-038-039-048>050-058>062-070>075-081>086-092>097-171100-
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-
1029 AM CST SAT FEB 16 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL IOWA.

.DAY ONE...TODAY AND TONIGHT

A WINTER STORM WATCH IS IN EFFECT FOR THE AREA BEGINNING AT
MIDNIGHT TONIGHT. A COMBINATION OF FREEZING RAIN AND SNOW IS
EXPECTED TO RESULT IN DANGEROUS ACCUMULATIONS OF ICE AND UP TO A
COUPLE INCHES OF SNOW BY SUNDAY MORNING. PLEASE REFER TO THE NATIONAL
WEATHER SERVICE WEBSITE AT WEATHER.GOV/DESMOINES FOR ADDITIONAL
DETAILS.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

A WINTER STORM WATCH AND BLIZZARD WATCH IS IN EFFECT FOR THE AREA SUNDAY.
ADDITIONAL ICING IS POSSIBLE EARLY SUNDAY MORNING BEFORE BLIZZARD
CONDITIONS ARE EXPECTED TO DEVELOP BY LATE SUNDAY MORNING AND
CONTINUE INTO SUNDAY EVENING.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION FOR SEVERE WEATHER WILL NOT BE NEEDED. HOWEVER
SNOWFALL AND ICING REPORTS ARE ENCOURAGED...ESPECIALLY WITH A
STORM OF THIS MAGNITUDE.

AN EMERGENCY MANAGEMENT CONFERENCE CALL IS PLANNED FOR 100 PM THIS
AFTERNOON.

IAZ017-025>027-035>037-046-047-057-171100-
CERRO GORDO-WRIGHT-FRANKLIN-BUTLER-WEBSTER-HAMILTON-HARDIN-GREENE-
BOONE-AUDUBON-
1029 AM CST SAT FEB 16 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL IOWA.

.DAY ONE...TODAY AND TONIGHT

A MIXTURE OF FREEZING RAIN...SLEET AND SNOW WILL DEVELOP AFTER
MIDNIGHT...WITH LIGHT ACCUMULATIONS OF BOTH ICE AND SNOW BY SUNDAY
MORNING.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

A BLIZZARD WATCH IS IN EFFECT FOR THE AREA. BLIZZARD CONDITIONS
ARE EXPECTED TO DEVELOP SUNDAY MORNING AND CONTINUE INTO SUNDAY
EVENING. PLEASE REFER TO THE NATIONAL WEATHER SERVICE WEBSITE AT
WEATHER.GOV/DESMOINES FOR ADDITIONAL DETAILS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED...BUT SNOWFALL AND ICE
ACCUMULATION REPORTS ARE ALWAYS APPRECIATED AND ENCOURAGED.

AN EMERGENCY MANAGEMENT CONFERENCE CALL IS PLANNED FOR 100 PM THIS
AFTERNOON.

IAZ004>007-015-016-023-024-033-034-044-045-171100-
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-POCAHONTAS-
HUMBOLDT-SAC-CALHOUN-CRAWFORD-CARROLL-
1029 AM CST SAT FEB 16 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL IOWA.

.DAY ONE...TODAY AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 16, 3:57 AM CSTBlizzard WatchDMXAdair, Adams, Appanoose, Audubon, Black Hawk, Boone and 40 more24 hr

Nearby

Winter Storm Warnings in Iowa, 2008Every winter storm 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.