HAZARDOUS WEATHER OUTLOOK
Issue Date: 1027 AM CST FRI DEC 25 2009
Expiration: 600 AM CST SAT DEC 26 2009

Expires:200912261200;;
FLUS43 KDMX 251621
HWODMX
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE DES MOINES IA
1021 AM CST FRI DEC 25 2009
IAZ004>006-015-016-023>025-033>036-044>048-057>060-070>073-081>083-
092>094-261200-
EMMET-KOSSUTH-WINNEBAGO-PALO ALTO-HANCOCK-POCAHONTAS-HUMBOLDT-WRIGHT-
SAC-CALHOUN-WEBSTER-HAMILTON-CRAWFORD-CARROLL-GREENE-BOONE-STORY-
AUDUBON-GUTHRIE-DALLAS-POLK-CASS-ADAIR-MADISON-WARREN-ADAMS-UNION-
CLARKE-TAYLOR-RINGGOLD-DECATUR-
1021 AM CST FRI DEC 25 2009
THIS HAZARDOUS WEATHER OUTLOOK IS FOR MUCH OF CENTRAL AND WESTERN
IOWA.
.DAY ONE...TODAY AND TONIGHT
OCCASIONAL SNOW WILL CONTINUE TO AFFECT THE AREA TODAY AND
TONIGHT...WITH ADDITIONAL ACCUMULATIONS OF TWO TO FOUR INCHES BY
DAYBREAK SATURDAY. STRONG NORTHWEST WINDS WILL ALSO CAUSE BLOWING
AND DRIFTING OF SNOW AND REDUCE VISIBILITY CONSIDERABLY AT TIMES.
A WINTER STORM WARNING REMAINS IN EFFECT FOR THE AREA. PLEASE
REFER TO THE NATIONAL WEATHER SERVICE WEBSITE AT
WEATHER.GOV/DESMOINES FOR FURTHER DETAILS.
.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY
LIGHT SNOWFALL IS EXPECTED SATURDAY WITH MINOR BLOWING AND
DRIFTING.  ADDITIONAL SNOW ACCUMULATIONS SHOULD BE AN INCH OR LESS.
.SPOTTER INFORMATION STATEMENT...
AN EMERGENCY MANAGEMENT CONFERENCE CALL WILL BE CONDUCTED AT 1100 AM.
SPOTTER ACTIVATION WILL NOT BE NEEDED...BUT SNOWFALL AND ICE
ACCUMULATION REPORTS ARE APPRECIATED AND ENCOURAGED.
$$

WINTER STORM WARNING
Issue Date: 411 AM CST THU DEC 24 2009
Expiration: 600 AM CST SAT DEC 26 2009

...POTENTIALLY CRIPPLING WINTER STORM TODAY THROUGH FRIDAY NIGHT...
.THE WINTRY MIX OF PRECIPITATION WILL GRADUALLY TRANSITION TO ALL
SNOW FROM NORTHWEST TO SOUTHEAST TODAY. THE PRECIPITATION THIS
MORNING WILL GENERALLY BE LIGHT BEFORE ANOTHER WAVE OF MOISTURE
ARRIVES FROM SOUTHERN PLAINS DURING THE AFTERNOON HOURS. THE MOST
INTENSE PERIODS OF SNOW ARE EXPECTED TONIGHT INTO FRIDAY THOUGH
ACCUMULATING SNOWFALL MAY LINGER INTO SATURDAY. IN
ADDITION...INCREASING NORTHWEST WINDS ARE EXPECTED TONIGHT INTO
FRIDAY WHICH WOULD CAUSE CONSIDERABLE BLOWING AND DRIFTING OF SNOW.
IAZ004>007-015>017-023>028-033>036-044>046-057-058-241815-
/O.EXT.KDMX.WS.W.0008.000000T0000Z-091226T1200Z/
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-SAC-CALHOUN-
WEBSTER-HAMILTON-CRAWFORD-CARROLL-GREENE-AUDUBON-GUTHRIE-
INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY...
NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...POCAHONTAS...
HUMBOLDT...CLARION...HAMPTON...ALLISON...WAVERLY...SAC CITY...
ROCKWELL CITY...FORT DODGE...WEBSTER CITY...DENISON...CARROLL...
JEFFERSON...AUDUBON...GUTHRIE CENTER
411 AM CST THU DEC 24 2009
...WINTER STORM WARNING NOW IN EFFECT UNTIL 6 AM CST SATURDAY...
THE WINTER STORM WARNING IS NOW IN EFFECT UNTIL 6 AM CST
SATURDAY.
* SHORT TERM TRENDS...A LIGHT WINTRY MIX OF PRECIPITATION CAN BE
EXPECTED THROUGH MID MORNING. LIGHT SNOW IS ANTICIPATED IN THE
ESTHERVILLE AREAS WHERE TEMPERATURES WILL REMAIN BELOW FREEZING.
LIGHT RAIN AND FREEZING RAIN ARE LIKELY ELSEWHERE WITH MINOR ICE
ACCUMULATIONS POSSIBLE.
* LONG TERM TRENDS...THE MIXTURE OF PRECIPITATION IS EXPECTED TO
TRANSITION BACK TO ALL SNOW BY LATE THIS MORNING INTO THE
AFTERNOON FROM WEST TO EAST. NEW SNOWFALL ACCUMULATIONS TODAY OF
1 TO 3 INCHES ARE FORECAST.
* STORM TOTAL SNOW ACCUMULATIONS...TWELVE TO EIGHTEEN INCHES OF
SNOW IS EXPECTED BY SATURDAY. LOCALIZED TWENTY INCH AMOUNTS MAY
OCCUR.
* WINDS AND VISIBILITY...EXPECT WINDS TO BECOME NORTHWEST AT 25 TO
35 MPH WITH HIGHER GUSTS TONIGHT THROUGH FRIDAY. THE WINDS
COMBINED WITH THE FALLING SNOW WILL RESULT IN NEAR WHITEOUT
CONDITIONS AT TIMES.
* IMPACTS...TRAVEL MAY BECOME NEARLY IMPOSSIBLE DUE TO BLOWING
AND DRIFTING SNOW TONIGHT INTO FRIDAY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW AND BLOWING
ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN
EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA
FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN
EMERGENCY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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.
$$

WINTER STORM WATCH
Issue Date: 344 PM CST MON DEC 21 2009
Expiration: 600 PM CST FRI DEC 25 2009

...MAJOR WINTER STORMS SET TO IMPACT PORTIONS OF IOWA WEDNESDAY
THROUGH FRIDAY...
.LOW PRESSURE WILL MOVE THROUGH IOWA TONIGHT BRINGING SNOW ACROSS
THE NORTHERN HALF OF THE STATE. A MUCH MORE INTENSE SYSTEM IS
FORECAST TO LIFT INTO THE MIDWEST ON WEDNESDAY AND MEANDER SLOWLY
NORTH INTO THURSDAY AND FRIDAY BRINGING SEVERE WINTER WEATHER
CONDITIONS TO PORTIONS OF CENTRAL IOWA.
IAZ023>025-033>039-044>050-057>060-070-071-220500-
/O.NEW.KDMX.WS.A.0007.091223T1200Z-091226T0000Z/
POCAHONTAS-HUMBOLDT-WRIGHT-SAC-CALHOUN-WEBSTER-HAMILTON-HARDIN-
GRUNDY-BLACK HAWK-CRAWFORD-CARROLL-GREENE-BOONE-STORY-MARSHALL-
TAMA-AUDUBON-GUTHRIE-DALLAS-POLK-CASS-ADAIR-
INCLUDING THE CITIES OF...POCAHONTAS...HUMBOLDT...CLARION...
SAC CITY...ROCKWELL CITY...FORT DODGE...WEBSTER CITY...ELDORA...
GRUNDY CENTER...WATERLOO...DENISON...CARROLL...JEFFERSON...
BOONE...AMES...MARSHALLTOWN...TOLEDO...AUDUBON...GUTHRIE CENTER...
ADEL...DES MOINES...ATLANTIC...GREENFIELD
344 PM CST MON DEC 21 2009
...WINTER STORM WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH
FRIDAY AFTERNOON...
THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WINTER
STORM WATCH...WHICH IS IN EFFECT FROM WEDNESDAY MORNING THROUGH
FRIDAY AFTERNOON.
* TIMING...WEDNESDAY MORNING THROUGH LATE FRIDAY AFTERNOON.
* STORM TOTAL ICE ACCUMULATIONS...UP TO ONE QUARTER INCH FROM THE
HIGHWAY 30 TO HIGHWAY 20 CORRIDORS WITH LESSER AMOUNTS FARTHER
NORTH.
* STORM TOTAL SNOW ACCUMULATIONS...4 TO 6 INCHES ALONG THE
SOUTHERN EDGE OF THE WATCH AREA UP TO OVER A FOOT ALONG AND WEST
OF A CARROLL TO MASON CITY LINE.
* WINDS...EASTERLY WINDS AT 10 TO 20 MPH ON WEDNESDAY INTO
THURSDAY BECOMING NORTHERLY AT 20 TO 30 MPH WITH HIGHER GUSTS ON
FRIDAY.
* VISIBILITY...SNOW AREAS WILL SEE VISIBILITIES GENERALLY LESS
THAN ONE MILE FOR THE DURATION OF THE STORM WITH FREQUENT
VISIBILITIES OF ONE HALF TO ONE QUARTER OF A MILE IN THE HEAVIER
SNOWS. WITH INCREASING WINDS THURSDAY NIGHT AND FRIDAY...BLOWING
SNOW AND REDUCED VISIBILITIES ARE EXPECTED IN THE WATCH AREA.
* IMPACTS...TRAVEL WILL BECOME INCREASINGLY DIFFICULT IN THE WATCH
AREA ON WEDNESDAY AND CONTINUE TO BE DIFFICULT INTO THURSDAY AND
FRIDAY AS SNOW ACCUMULATES AND WINDS INCREASE. IN THE HEAVIEST
SNOW AREAS...TRAVEL MAY BECOME NEARLY IMPOSSIBLE DUE TO BLOWING
AND DRIFTING SNOW THURSDAY NIGHT INTO FRIDAY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL.
CONTINUE TO MONITOR THE LATEST FORECASTS.
$$
COGIL