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.
IAZ059>061-070>073-081>083-092>094-241815-
/O.UPG.KDMX.WS.A.0007.091224T1800Z-091226T0600Z/
/O.EXB.KDMX.WS.W.0008.091224T1800Z-091226T1200Z/
DALLAS-POLK-JASPER-CASS-ADAIR-MADISON-WARREN-ADAMS-UNION-CLARKE-
TAYLOR-RINGGOLD-DECATUR-
INCLUDING THE CITIES OF...ADEL...DES MOINES...NEWTON...ATLANTIC...
GREENFIELD...WINTERSET...INDIANOLA...CORNING...CRESTON...
OSCEOLA...BEDFORD...MOUNT AYR...LEON
411 AM CST THU DEC 24 2009
...WINTER STORM WARNING IN EFFECT FROM NOON TODAY TO 6 AM CST
SATURDAY...
THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WINTER
STORM WARNING FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM NOON
TODAY TO 6 AM CST SATURDAY. THE WINTER STORM WATCH IS NO LONGER IN
EFFECT.
* SHORT TERM TRENDS...TEMPERATURES HAVE RISEN TO ABOVE FREEZING AT
MOST LOCATIONS THEREFORE ANY PRECIPITATION THAT FALLS WILL BE
MAINLY IN THE FORM OF RAIN EARLY THIS MORNING. ISOLATED POCKETS
OF FREEZING RAIN MAY OCCUR.
* LONG TERM TRENDS...THE PRECIPITATION IS EXPECTED TO TRANSITION
BACK TO A WINTRY MIX AND EVENTUALLY TO ALL SNOW BY THIS
AFTERNOON WITH THE INTENSITY INCREASING LATE.
* STORM TOTAL SNOW ACCUMULATIONS...SIX TO TEN INCHES OF SNOW IS
EXPECTED BY SATURDAY.
* 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.
$$

WINTER STORM WATCH
Issue Date: 507 AM CST WED DEC 23 2009
Expiration: 1200 AM CST SAT DEC 26 2009

...ICY CONDITIONS TONIGHT...FOLLOWED BY A MAJOR WINTER STORM
WEDNESDAY THROUGH FRIDAY...
.ICY CONDITIONS WILL AFFECT OUR REGION TONIGHT INTO WEDNESDAY.
THEN...AN APPROACHING LOW PRESSURE SYSTEM WILL BRING RAIN AND A
MIX OF WINTRY WEATHER STATEWIDE THROUGH FRIDAY. HEAVY
PRECIPITATION IS EXPECTED AT TIMES FROM WEDNESDAY ONWARD...
FOLLOWED BY STRONG WINDS ON THURSDAY AND FRIDAY.
IAZ037>039-047>050-057>060-070-071-231600-
/O.CAN.KDMX.ZR.Y.0001.000000T0000Z-091223T1800Z/
/O.NEW.KDMX.WW.Y.0026.091223T1107Z-091224T0600Z/
/O.EXT.KDMX.WS.A.0007.091224T1800Z-091226T0600Z/
HARDIN-GRUNDY-BLACK HAWK-BOONE-STORY-MARSHALL-TAMA-AUDUBON-
GUTHRIE-DALLAS-POLK-CASS-ADAIR-
INCLUDING THE CITIES OF...ELDORA...GRUNDY CENTER...WATERLOO...
BOONE...AMES...MARSHALLTOWN...TOLEDO...AUDUBON...GUTHRIE CENTER...
ADEL...DES MOINES...ATLANTIC...GREENFIELD
507 AM CST WED DEC 23 2009
...WINTER WEATHER ADVISORY IN EFFECT UNTIL MIDNIGHT CST TONIGHT...
...WINTER STORM WATCH NOW IN EFFECT FROM THURSDAY AFTERNOON
THROUGH FRIDAY EVENING...
...FREEZING RAIN ADVISORY IS CANCELLED...
THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WINTER
WEATHER ADVISORY FOR FREEZING RAIN...SLEET OR SNOW...WHICH IS IN
EFFECT UNTIL MIDNIGHT CST TONIGHT. THE FREEZING RAIN ADVISORY HAS
BEEN CANCELED. THE WINTER STORM WATCH IS NOW IN EFFECT FROM
THURSDAY AFTERNOON THROUGH FRIDAY EVENING.
...WINTER WEATHER ADVISORY...
* SHORT TERM TRENDS...AN AREA OF SHOWERS...AND EVEN A FEW
THUNDERSTORMS...OVER KANSAS AND MISSOURI WILL ADVANCE NORTHWARD
INTO SOUTHERN IOWA THIS MORNING. AS IT DOES THE PRECIPITATION
WILL SWITCH TO A MORE WINTER VARIETY BECOMING FREEZING RAIN AND
THEN EVENTUALLY SLEET OR SNOW BY THE TIME IT HITS CENTRAL IOWA
TOWARD MIDDAY. UP TO A TENTH OF AN INCH OF ICE...AND AN INCH OR
LESS OF SNOW MAY ACCUMULATE BY THROUGH THIS EVENING.
...WINTER STORM WATCH...
* LONG TERM TRENDS...THE PRECIPITATION SHOULD SWITCH TO MAINLY
RAIN LATE TONIGHT AND EARLY THURSDAY BEFORE TRANSITIONING BACK
TO A WINTRY MIX AND EVENTUALLY ALL SNOW LATE THURSDAY. ONCE IT
DOES THE SNOW MAY BE HEAVY AND WIND BLOWN...ESPECIALLY INTO
FRIDAY WHEN THE WINDS INCREASE.
* STORM TOTAL SNOW ACCUMULATIONS...BY THE TIME THE PRECIPITATION
DIMINISHES SATURDAY...THREE TO NINE INCHES OF SNOW IS EXPECTED
WITH THE HIGHEST AMOUNTS OF THAT RANGE FROM ATLANTIC TO IOWA
FALLS.
* WINDS...BRISK EAST WINDS OF 15 TO 25 MPH WILL BE COMMON
WEDNESDAY INTO THURSDAY. BY FRIDAY...WINDS WILL BECOME
NORTHWEST AT 25 TO 35 MPH WITH HIGHER GUSTS.
* VISIBILITY...DURING THE PERIODS OF HEAVIER SNOW LATE THURSDAY AND
FRIDAY...VISIBILITIES WILL GENERALLY BE LESS THAN ONE MILE AND
EVEN DOWN TO A QUARTER MILE DURING THE HEAVIEST SNOWS. WITH
INCREASING WINDS AND SNOW COINCIDENT BY FRIDAY...BLOWING SNOW
AND GREATLY REDUCED VISIBILITIES NEAR BLIZZARD CONDITIONS ARE
EXPECTED BY THAT TIME ESPECIALLY WEST OF INTERSTATE 35.
* IMPACTS...TRAVEL WILL BECOME INCREASINGLY DIFFICULT IN THE WATCH
AREA ON ON CHRISTMAS EVE NIGHT AND CHRISTMAS DAY 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 WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITY...AND USE CAUTION WHILE
DRIVING.
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.
$$