000 WWUS43 KDMX 061845 WSWDMX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 1245 PM CST SUN DEC 6 2009 ...FIRST ACCUMULATING SNOWFALL EXPECTED FOR MUCH OF CENTRAL IOWA TONIGHT... .A WINTER WEATHER SYSTEM WILL BRING MUCH OF CENTRAL IOWA ITS FIRST ACCUMULATING SNOWFALL OF THE SEASON. THE SNOW IS EXPECTED TO BEGIN IN WESTERN IOWA LATE THIS AFTERNOON...AND SPREAD ACROSS CENTRAL INTO EASTERN IOWA THIS EVENING. THE SNOW WILL END WEST TO EAST LATE TONIGHT AND EARLY MONDAY MORNING. IAZ023-033-034-044>046-057-058-070-071-070245- /O.CON.KDMX.WW.Y.0022.000000T0000Z-091207T0900Z/ POCAHONTAS-SAC-CALHOUN-CRAWFORD-CARROLL-GREENE-AUDUBON-GUTHRIE- CASS-ADAIR- INCLUDING THE CITIES OF...POCAHONTAS...SAC CITY...ROCKWELL CITY... DENISON...CARROLL...JEFFERSON...AUDUBON...GUTHRIE CENTER... ATLANTIC...GREENFIELD 1245 PM CST SUN DEC 6 2009 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 3 AM CST MONDAY... A WINTER WEATHER ADVISORY FOR SNOW REMAINS IN EFFECT UNTIL 3 AM CST MONDAY. LIGHT SNOW IS EXPECTED TO BEGIN FALLING THIS AFTERNOON...BUT NOT IN EARNEST UNTIL AFTER 3 PM...AND CONTINUE THROUGH TONIGHT. OCCASIONAL MODERATE SNOWFALL IS EXPECTED TO FALL BETWEEN 6 PM AND 3 AM TONIGHT. A TOTAL OF 2 TO 4 INCHES OF SNOW IS EXPECTED... WITH THE HIGHEST AMOUNTS EXTENDING THROUGH DENISON AND ROCKWELL CITY. SINCE PAVEMENT AND BRIDGE TEMPERATURES WILL BE BELOW FREEZING...SLICK TRAVEL CONDITIONS ARE EXPECTED...ESPECIALLY ON LESS TREATED ROADS AND WALKING SURFACES. IN ADDITION...VISIBILITY WILL BE LIMITED ESPECIALLY DURING THE HEAVIEST SNOWFALL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITY...AND USE CAUTION WHILE DRIVING. && $$ IAZ024>028-035>039-047>050-059>062-072>074-070245- /O.CON.KDMX.WW.Y.0022.091207T0000Z-091207T1200Z/ HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-WEBSTER-HAMILTON-HARDIN- GRUNDY-BLACK HAWK-BOONE-STORY-MARSHALL-TAMA-DALLAS-POLK-JASPER- POWESHIEK-MADISON-WARREN-MARION- INCLUDING THE CITIES OF...HUMBOLDT...CLARION...HAMPTON... ALLISON...WAVERLY...FORT DODGE...WEBSTER CITY...ELDORA... GRUNDY CENTER...WATERLOO...BOONE...AMES...MARSHALLTOWN...TOLEDO... ADEL...DES MOINES...NEWTON...GRINNELL...WINTERSET...INDIANOLA... KNOXVILLE 1245 PM CST SUN DEC 6 2009 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 6 AM CST MONDAY... A WINTER WEATHER ADVISORY FOR SNOW REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 6 AM CST MONDAY. LIGHT SNOW IS EXPECTED TO BEGIN FALLING THIS EVENING...AND CONTINUE THROUGH TONIGHT. OCCASIONAL MODERATE SNOWFALL IS EXPECTED TO FALL FROM 9 PM TONIGHT THROUGH 6 AM MONDAY MORNING. A TOTAL OF 2 TO 4 INCHES OF SNOW IS EXPECTED...WITH THE HIGHEST AMOUNTS EXTENDING ALONG THE U.S. HIGHWAY 20 CORRIDOR. SINCE PAVEMENT AND BRIDGE TEMPERATURES WILL BE BELOW FREEZING...SLICK TRAVEL CONDITIONS ARE EXPECTED...ESPECIALLY ON LESS TREATED ROADS AND WALKING SURFACES. IN ADDITION...VISIBILITY WILL BE LIMITED ESPECIALLY DURING THE HEAVIEST SNOWFALL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITY...AND USE CAUTION WHILE DRIVING. && $$ MOYER