Overnight Updates

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
851 PM CST SAT DEC 8 2007
.AN UPPER LEVEL DISTURBANCE WILL MOVE ACROSS THE UPPER MIDWEST
TONIGHT AND COMBINE WITH COLD CANADIAN AIR TO PRODUCE MODERATE
SNOWFALL TONIGHT OVER THE NORTH HALF OF IOWA ALONG WITH A MIXTURE
OF LIGHT FREEZING DRIZZLE AND LIGHT SNOW OVER THE SOUTH.
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-SAC-CALHOUN-
WEBSTER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-CRAWFORD-CARROLL-GREENE-
BOONE-STORY-MARSHALL-TAMA-
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...ELDORA...
GRUNDY CENTER...WATERLOO...DENISON...CARROLL...JEFFERSON...
BOONE...AMES...MARSHALLTOWN...TOLEDO
851 PM CST SAT DEC 8 2007
...SNOW ADVISORY REMAINS IN EFFECT UNTIL 3 AM CST SUNDAY...
LIGHT TO MODERATE SNOW WILL CONTINUE ACROSS NORTHERN IOWA TONIGHT.
SNOWFALL AMOUNTS OF 2 TO 5 INCHES CAN BE EXPECTED ACROSS THE
ADVISORY AREA. MOTORISTS CAN EXPECT SLICK ROADS AND VISIBILITIES
NEAR ONE MILE AT TIMES WITH THE HEAVIER PERIODS OF SNOW. THE SNOW
WILL TAPER TO FLURRIES DURING THE OVERNIGHT HOURS.
A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.
AUDUBON-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...AUDUBON...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
851 PM CST SAT DEC 8 2007
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST
TONIGHT...
A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST
TONIGHT.
VERY LIGHT SNOW AND PATCHY FREEZING DRIZZLE CONTINUES ACROSS THE
AREA AND WILL LAST INTO THE LATE EVENING HOURS ACROSS MUCH OF
CENTRAL IOWA. THE LIGHT DRIZZLE WILL FREEZE INSTANTLY ON CONTACT
BECAUSE TEMPERATURES ARE IN THE LOWER TO MID TEENS THIS EVENING.
TRAVEL MAY BECOME DIFFICULT DUE TO SLIPPERY ROADS AND OVERPASSES...
ALONG WITH CAR WINDSHIELDS INSTANTLY ICING OVER DURING TRAVEL.
PERSONS TRAVELING THIS EVENING SHOULD BE MADE AWARE OF THIS
ADDITIONAL HAZARD.
A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF LIGHT SNOW OR
FREEZING DRIZZLE...OR POSSIBLY SOME LIGHT FREEZING RAIN WILL CAUSE
TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED
VISIBILITIES...AND USE CAUTION WHILE DRIVING.
$$
REV
COMBINATION OF LIGHT SNOW AND FREEZING DRIZZLE MAY PRODUCE
HAZARDOUS DRIVING CONDITIONS AT TIMES. TRAVEL IS NOT RECOMMENDED
FROM GRINNELL TOWARD IOWA CITY ALONG INTERSTATE 80 AND OTHER
NEARBY HIGHWAYS INCLUDING HIGHWAY 63 FROM NEW SHARON TO NEAR
TOLEDO...AND HIGHWAY 30 FROM NEAR TOLEDO TO CEDAR RAPIDS...WITH
TOWING PROHIBITED IN MANY OTHER AREAS AS WELL.