000 WWUS43 KDMX 300951 WSWDMX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 351 AM CST SUN NOV 30 2008 .LOW PRESSURE WILL MOVE FROM THE SOUTHERN OHIO RIVER VALLEY INTO THE SOUTHERN GREAT LAKES TODAY. THIS SYSTEM WILL PRODUCE A PROLONGED LIGHT SNOW EVENT THROUGH EARLY THIS EVENING. IAZ037>039-048>050-060>062-073>075-083>086-094>097-301800- /O.CON.KDMX.WW.Y.0012.000000T0000Z-081201T0000Z/ HARDIN-GRUNDY-BLACK HAWK-STORY-MARSHALL-TAMA-POLK-JASPER- POWESHIEK-WARREN-MARION-MAHASKA-CLARKE-LUCAS-MONROE-WAPELLO- DECATUR-WAYNE-APPANOOSE-DAVIS- INCLUDING THE CITIES OF...ELDORA...GRUNDY CENTER...WATERLOO... AMES...MARSHALLTOWN...TOLEDO...DES MOINES...NEWTON...GRINNELL... INDIANOLA...KNOXVILLE...OSKALOOSA...OSCEOLA...CHARITON...ALBIA... OTTUMWA...LEON...CORYDON...CENTERVILLE...BLOOMFIELD 351 AM CST SUN NOV 30 2008 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS AFTERNOON... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS AFTERNOON. LIGHT SNOW WILL PERSIST ACROSS THE ADVISORY AREA THROUGH TODAY. ONE TO THREE INCHES OF SNOW HAS ALREADY FALLEN IN THE ADVISORY AREA AND ADDITIONAL SNOWFALL OF ONE TO TWO INCHES IS FORECAST FOR TODAY. TOTAL SNOWFALL OF 2 TO 5 INCHES WILL BE COMMON WITH AN ISOLATED 6 INCH AMOUNT POSSIBLE. WINDS WILL NOT BE A FACTOR THIS MORNING BUT ARE EXPECTED TO INCREASE BY LATER THIS AFTERNOON. A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ CC