Snow And Fog Advisories

...DENSE FOG AGAIN OVER THE AREA...
.WARM AIR MOVING ACROSS THE SNOW FIELD ALLOWED DENSE FOG TO
DEVELOP ACROSS THE AREA. AFTER SUNSET...WIDESPREAD DENSE FOG IS
EXPECTED TO DEVELOP DUE AS THE AIR SLOWLY COOLS.
DELAWARE-DUBUQUE-LINN-JONES-JACKSON-JOHNSON-CEDAR-CLINTON-
MUSCATINE-SCOTT-LOUISA-HENRY IA-DES MOINES-LEE-JO DAVIESS-
STEPHENSON-CARROLL-WHITESIDE-ROCK ISLAND-HENRY IL-BUREAU-PUTNAM-
MERCER-HENDERSON-WARREN-HANCOCK-MCDONOUGH-CLARK-
INCLUDING THE CITIES OF...MANCHESTER...DUBUQUE...CEDAR RAPIDS...
ANAMOSA...MAQUOKETA...IOWA CITY...TIPTON...CLINTON...MUSCATINE...
BETTENDORF...DAVENPORT...WAPELLO...MOUNT PLEASANT...BURLINGTON...
FORT MADISON...GALENA...FREEPORT...MOUNT CARROLL...STERLING...
ROCK FALLS...MOLINE...ROCK ISLAND...KEWANEE...PRINCETON...
HENNEPIN...ALEDO...OQUAWKA...MONMOUTH..CARTHAGE...MACOMB...
KAHOKA
210 PM CST THU DEC 20 2007
...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CST FRIDAY...
THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS ISSUED A DENSE
FOG ADVISORY...WHICH IS IN EFFECT UNTIL 10 AM CST FRIDAY.
DENSE FOG...WITH VISIBILITIES NEAR ZERO IN SOME LOCATIONS...WILL
DEVELOP AND SPREAD ACROSS THE AREA THROUGH MID MORNING FRIDAY.
A DENSE FOG ADVISORY MEANS VISIBILITIES WILL FREQUENTLY BE
REDUCED TO LESS THAN ONE QUARTER MILE. IF DRIVING...SLOW DOWN...
USE YOUR HEADLIGHTS...AND LEAVE PLENTY OF DISTANCE AHEAD OF YOU.
BUCHANAN-BENTON-IOWA-KEOKUK-WASHINGTON-JEFFERSON-VAN BUREN-
SCOTLAND-
INCLUDING THE CITIES OF...INDEPENDENCE...VINTON...MARENGO...
SIGOURNEY...WASHINGTON...FAIRFIELD...KEOSAUQUA....MEMPHIS
210 PM CST THU DEC 20 2007
...DENSE FOG ADVISORY NOW IN EFFECT UNTIL 10 AM CST FRIDAY...
THE DENSE FOG ADVISORY IS NOW IN EFFECT UNTIL 10 AM CST FRIDAY.
DENSE FOG WITH VISIBILITIES NEAR ZERO...WILL CONTINUE THROUGH MID
MORNING ON FRIDAY.
A DENSE FOG ADVISORY MEANS VISIBILITIES WILL FREQUENTLY BE
REDUCED TO LESS THAN ONE QUARTER MILE. IF DRIVING...SLOW DOWN...
USE YOUR HEADLIGHTS...AND LEAVE PLENTY OF DISTANCE AHEAD OF YOU.
...STRONG WINTER STORM TO IMPACT REGION SATURDAY AFTERNOON THROUGH
SATURDAY NIGHT...
.A RAPIDLY DEEPENING LOW PRESSURE SYSTEM OVER OKLAHOMA SATURDAY
MORNING WILL REACH NORTHERN WISCONSIN BY SUNDAY MORNING. THE
SYSTEM WILL INTERACT WITH ABUNDANT MOISTURE FROM THE GULF OF
MEXICO PRODUCING A LARGE SWATH OF RAIN...CHANGING TO SNOW AS LOTS
OF COLD AIR FROM THE NORTHERN PLAINS MOVES IN. SNOW AMOUNTS OF 4
TO LOCALLY 8 INCHES ARE POSSIBLE DEPENDING ON HOW QUICKLY THE RAIN
CHANGES TO SNOW. TEMPERATURES WILL FALL INTO THE TEENS BY SUNDAY
MORNING AND COMBINED WITH NW WINDS OF 25 TO 40 MPH WILL PRODUCE
DANGEROUSLY LOW WIND CHILL VALUES AND CONSIDERABLE BLOWING AND
DRIFTING OF SNOW.
BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-IOWA-JOHNSON-
CEDAR-CLINTON-MUSCATINE-SCOTT-KEOKUK-WASHINGTON-LOUISA-JEFFERSON-
HENRY IA-DES MOINES-VAN BUREN-LEE-JO DAVIESS-STEPHENSON-CARROLL-
WHITESIDE-ROCK ISLAND-HENRY IL-MERCER-HENDERSON-SCOTLAND-CLARK-
INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE...
VINTON...CEDAR RAPIDS...ANAMOSA...MAQUOKETA...MARENGO...
IOWA CITY...TIPTON...CLINTON...MUSCATINE...BETTENDORF...
DAVENPORT...SIGOURNEY...WASHINGTON...WAPELLO...FAIRFIELD...
MOUNT PLEASANT...BURLINGTON...KEOSAUQUA....FORT MADISON...
GALENA...FREEPORT...MOUNT CARROLL...STERLING...ROCK FALLS...
MOLINE...ROCK ISLAND...KEWANEE...ALEDO...OQUAWKA...MEMPHIS...
KAHOKA
249 PM CST THU DEC 20 2007
...WINTER STORM WATCH IN EFFECT FROM SATURDAY AFTERNOON THROUGH
LATE SATURDAY NIGHT...
THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS ISSUED A WINTER
STORM WATCH...WHICH IS IN EFFECT FROM SATURDAY AFTERNOON THROUGH
LATE SATURDAY NIGHT.
RAIN WILL CHANGE TO SNOW SATURDAY AFTERNOON WITH VERY INTENSE SNOW
ACCUMULATION RATES IN EXCESS OF TWO INCHES AN HOUR POSSIBLE. THE
SNOW MAY FALL SO FAST THAT VISIBILITIES MAY BE REDUCED TO NEAR
ZERO. IN ADDITION...NW WINDS OF 25 UP TO 40 MPH AND RAPIDLY
FALLING TEMPERATURES INTO THE TEENS BY MIDNIGHT SUNDAY MORNING
WILL RESULT IN DANGEROUSLY LOW WIND CHILL VALUES AND EXTENDED
PERIODS OF LOW VISIBILITY. THUNDER SNOW MAY OCCUR LATE SATURDAY
AFTERNOON INTO THE EARLY EVENING HOURS WITH THE HEAVIEST SNOWFALL.
SNOWFALL AMOUNTS OF 3 TO 8 INCHES ARE POSSIBLE IN THE WATCH AREA
WITH THE TIMING OF A RAIN TO SNOW CHANGEOVER A KEY FACTOR ON TOTAL
SNOW AMOUNTS MOST LOCATIONS. CONSIDERABLE DRIFTING AND BLOWING OF
SNOW WILL DEVELOP BY LATE EVENING COMPOUNDING TRAVEL PROBLEMS.
A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW...SLEET ..AND/OR ICE ACCUMULATIONS THAT WOULD SERIOUSLY
IMPACT TRAVEL. MONITOR LATER FORECASTS FOR UPDATES.
MITCHELL-HOWARD-WINNESHIEK-ALLAMAKEE-FLOYD-CHICKASAW-FAYETTE-
CLAYTON-WABASHA-DODGE-OLMSTED-WINONA-MOWER-FILLMORE-HOUSTON-
INCLUDING THE CITIES OF...DECORAH...WAUKON...CHARLES CITY...
OELWEIN...ROCHESTER...WINONA...AUSTIN
306 PM CST THU DEC 20 2007
...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CST FRIDAY...
THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A DENSE FOG
ADVISORY...WHICH IS IN EFFECT UNTIL 10 AM CST FRIDAY.
WIDESPREAD DENSE FOG IS EXPECTED ACROSS THE AREA THROUGH TONIGHT
AND INTO FRIDAY MORNING.
A DENSE FOG ADVISORY MEANS VISIBILITIES WILL FREQUENTLY BE
REDUCED TO LESS THAN ONE QUARTER MILE. IF DRIVING...SLOW DOWN...
USE LOW BEAM HEADLIGHTS...AND LEAVE PLENTY OF DISTANCE AHEAD OF
YOU.
WINNEBAGO-HANCOCK-WRIGHT-
INCLUDING THE CITIES OF...FOREST CITY...GARNER...CLARION
317 PM CST THU DEC 20 2007
...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM CST FRIDAY...
THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A DENSE FOG
ADVISORY...WHICH IS IN EFFECT UNTIL 9 AM CST FRIDAY.
WIDESPREAD DENSE FOG SHOULD PREVAIL ACROSS NORTH CENTRAL IOWA
THROUGH THE NIGHT.
A DENSE FOG ADVISORY MEANS VISIBILITIES WILL FREQUENTLY BE REDUCED
TO LESS THAN ONE QUARTER MILE. IF DRIVING...SLOW DOWN... USE YOUR
HEADLIGHTS...AND LEAVE PLENTY OF DISTANCE AHEAD OF YOU.
WORTH-CERRO GORDO-FRANKLIN-BUTLER-BREMER-HARDIN-GRUNDY-BLACK HAWK-
MARSHALL-TAMA-JASPER-POWESHIEK-MARION-MAHASKA-LUCAS-MONROE-
WAPELLO-WAYNE-APPANOOSE-DAVIS-
INCLUDING THE CITIES OF...NORTHWOOD...MASON CITY...HAMPTON...
ALLISON...WAVERLY...ELDORA...GRUNDY CENTER...WATERLOO...
MARSHALLTOWN...TOLEDO...NEWTON...GRINNELL...KNOXVILLE...
OSKALOOSA...CHARITON...ALBIA...OTTUMWA...CORYDON...CENTERVILLE..
BLOOMFIELD
317 PM CST THU DEC 20 2007
...DENSE FOG ADVISORY NOW IN EFFECT UNTIL 9 AM CST FRIDAY...
THE DENSE FOG ADVISORY IS NOW IN EFFECT UNTIL 9 AM CST FRIDAY.
WIDESPREAD DENSE FOG WILL PREVAIL THROUGH THE NIGHT. LOOK FOR
VISIBILITIES TO BE A QUARTER MILE OR BELOW IN MANY LOCATIONS.
A DENSE FOG ADVISORY MEANS VISIBILITIES WILL FREQUENTLY BE
REDUCED TO LESS THAN ONE QUARTER MILE. IF DRIVING...SLOW DOWN...
USE YOUR HEADLIGHTS...AND LEAVE PLENTY OF DISTANCE AHEAD OF YOU.
...POTENTIAL STRONG WINTER STORM TO IMPACT THE AREA THIS WEEKEND...
.UPPER LEVEL DISTURBANCES OVER BRITISH COLUMBIA AND CENTRAL
CALIFORNIA WILL MERGE OVER THE CENTRAL AND NORTHERN PLAINS
SATURDAY...THEN MOVE ACROSS THE UPPER MIDWEST SATURDAY NIGHT INTO
SUNDAY. AS THEY DO...LOW PRESSURE OVER OKLAHOMA WILL LIFT
NORTHEAST SATURDAY AND INTENSIFY SATURDAY NIGHT AS IT LIFTS
THROUGH EASTERN WISCONSIN INTO THE UPPER PENINSULA OF MICHIGAN BY
SUNDAY MORNING. AS THE LOW DEEPENS...ABUNDANT MOISTURE WILL BE
DRAWN NORTH AHEAD OF IT. SOME WARM AIR WILL BE IN PLACE ACROSS
THE AREA SATURDAY MORNING. AS THE SYSTEM APPROACHES THE AIRMASS IS
EXPECTED TO QUICKLY COOL...CHANGING ANY RAIN OR SNOW SATURDAY
MORNING TO ALL SNOW FOR SATURDAY AFTERNOON AND NIGHT. A BAND OF
HEAVY SNOW IS POSSIBLE WEST OF THE LOW TRACK SATURDAY AFTERNOON
AND EVENING. AS THE LOW DEEPENS SATURDAY NIGHT...WEST AND
NORTHWEST WINDS WILL INCREASE. THESE WINDS WILL CREATE AREAS OF
BLOWING AND DRIFTING SNOW LATER SATURDAY NIGHT INTO SUNDAY.
MITCHELL-HOWARD-WINNESHIEK-ALLAMAKEE-FLOYD-CHICKASAW-FAYETTE-
CLAYTON-VERNON-CRAWFORD-RICHLAND-GRANT-
INCLUDING THE CITIES OF...DECORAH...WAUKON...CHARLES CITY...
OELWEIN...VIROQUA...PRAIRIE DU CHIEN...RICHLAND CENTER...
PLATTEVILLE
331 PM CST THU DEC 20 2007
...WINTER STORM WATCH IN EFFECT FROM SATURDAY AFTERNOON THROUGH
LATE SATURDAY NIGHT...
THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A WINTER
STORM WATCH...WHICH IS IN EFFECT FROM SATURDAY AFTERNOON THROUGH
LATE SATURDAY NIGHT.
SNOW OR A MIX OF RAIN AND SNOW SATURDAY MORNING WILL CHANGE TO ALL
SNOW SATURDAY AFTERNOON. THE SNOW IS THEN EXPECTED TO BE HEAVY AT
TIMES SATURDAY AFTERNOON AND EVENING. SEVERAL INCHES OF
ACCUMULATION ARE POSSIBLE BEFORE THE SNOW TAPERS OFF LATER
SATURDAY NIGHT. IN ADDITION...INCREASING WEST AND NORTHWEST WINDS
SATURDAY NIGHT WILL CREATE AREAS OF BLOWING AND DRIFTING OF THE
NEW SNOW. THE SNOW AND OR BLOWING AND DRIFTING SNOW WILL CREATE
POOR VISIBILITIES AND DANGEROUS TRAVEL CONDITIONS SATURDAY
AFTERNOON AND NIGHT.
A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL. THOSE
WITH HOLIDAY TRAVEL PLANS THIS WEEKEND ARE URGED TO MONITOR LATER
FORECASTS AND STATEMENTS CONCERNING THIS IMPENDING WINTER STORM.
...HEAVY SNOW AND BLOWING SNOW POSSIBLE SATURDAY...
.A SIGNIFICANT LATE DECEMBER STORM WILL BE TAKING SHAPE OVER THE
SOUTHERN PLAINS FRIDAY...THEN STRENGTHENING AS IT MOVES NORTHEAST
THROUGH THE MID MISSISSIPPI RIVER VALLEY TO THE GREAT LAKES BY
EARLY SUNDAY.
WINNEBAGO-WORTH-HANCOCK-CERRO GORDO-WRIGHT-FRANKLIN-BUTLER-BREMER-
HAMILTON-HARDIN-GRUNDY-BLACK HAWK-BOONE-STORY-MARSHALL-TAMA-
DALLAS-POLK-JASPER-POWESHIEK-MADISON-WARREN-MARION-MAHASKA-LUCAS-
MONROE-WAPELLO-WAYNE-APPANOOSE-DAVIS-
INCLUDING THE CITIES OF...FOREST CITY...NORTHWOOD...GARNER...
MASON CITY...CLARION...HAMPTON...ALLISON...WAVERLY...
WEBSTER CITY...ELDORA...GRUNDY CENTER...WATERLOO...BOONE...AMES...
MARSHALLTOWN...TOLEDO...ADEL...DES MOINES...NEWTON...GRINNELL...
WINTERSET...INDIANOLA...KNOXVILLE...OSKALOOSA...CHARITON...
ALBIA...OTTUMWA...CORYDON...CENTERVILLE...BLOOMFIELD
345 PM CST THU DEC 20 2007
...WINTER STORM WATCH IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY EVENING...
THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WINTER
STORM WATCH...WHICH IS IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY EVENING.
THERE IS THE POTENTIAL FOR MODERATE TO LOCALLY HEAVY SNOWFALL
ALONG WITH AREAS OF BLOWING SNOW NEAR AND EAST OF INTERSTATE 35
IN CENTRAL IOWA FROM LATE SATURDAY MORNING THROUGH SATURDAY
EVENING. THERE IS STILL SOME UNCERTAINTY REGARDING THE EXACT TRACK
OF THE LOW PRESSURE SYSTEM AND ASSOCIATED WINTER WEATHER
HAZARDS...BUT INITIAL ESTIMATES ARE THAT 4 TO 6 INCHES OF
SNOW...WITH LOCALLY HIGHER AMOUNTS ARE POSSIBLE ALONG WITH THE
ADDED HAZARD OF CONSIDERABLE BLOWING AND DRIFTING OF SNOW.
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.
MOYER