Friday, December 21, 2007

STRONG WINTER STORM TO IMPACT QUAD CITIES REGION SATURDAY AFTERNOON AND SATURDAY NIGHT

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
259 AM CST FRI DEC 21 2007
...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 OVER THE MID-MISSISSIPPI
VALLEY SATURDAY MORNING. THE RAIN WILL CHANGE TO SNOW DURING THE
AFTERNOON AS VERY COLD AIR FROM THE NORTHERN PLAINS MOVES IN.
SNOW WIDESPREAD AMOUNTS OF 3 TO 8 INCHES ARE POSSIBLE BY LATE
SATURDAY NIGHT. WHILE IT IS TOO EARLY TO DETERMINE THE EXACT
PLACEMENT OF THE HEAVIEST SNOW BAND...SHOULD THIS STORM INTENSIFY
AS FAST AS SOME FORECAST MODELS INDICATE...A NARROW BAND OF
SIGNIFICANTLY HIGHER ACCUMULATIONS IS POSSIBLE. SUNDAY MORNING
TEMPERATURES IN THE TEENS AND NORTHWEST WINDS UP TO 40 MPH WILL
CREATE DANGEROUSLY LOW WIND CHILLS. THE STRONG WINDS WILL ALSO
CAUSE CONSIDERABLE BLOWING AND DRIFTING SNOW...POSSIBLY CREATING
NEAR BLIZZARD CONDITIONS AT TIMES SATURDAY EVENING THROUGH SUNDAY
MORNING.
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
259 AM CST FRI DEC 21 2007
...WINTER STORM WATCH REMAINS IN EFFECT FROM SATURDAY AFTERNOON
THROUGH LATE SATURDAY NIGHT...
A WINTER STORM WATCH REMAINS IN EFFECT FROM SATURDAY AFTERNOON
THROUGH LATE SATURDAY NIGHT.
RAIN WILL CHANGE TO SNOW LATE SATURDAY MORNING WEST OF INTERSTATE
380...AND AROUND LATE AFTERNOON ALONG AND EAST OF THE MISSISSIPPI
RIVER. RAPID SNOW ACCUMULATION IS EXPECTED. THUNDER SNOW WILL BE
POSSIBLE AT TIMES. IN ADDITION...NORTHWEST WINDS OF 25 TO 40 MPH
AND RAPIDLY FALLING TEMPERATURES INTO THE TEENS BY MIDNIGHT
SATURDAY WILL RESULT IN DANGEROUSLY LOW WIND CHILL VALUES AND
EXTENDED PERIODS OF LOW VISIBILITY DUE TO BLOWING AND DRIFTING
SNOW. NEAR BLIZZARD CONDITIONS WILL BE POSSIBLE AT TIMES.
SNOWFALL AMOUNTS OF 4 TO 8 INCHES ARE POSSIBLE IN THE WATCH AREA.
HOWEVER THE SNOWFALL AMOUNTS WILL BE GREATLY DEPENDENT ON HOW
SOON THE RAIN CHANGES TO SNOW.
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.
MONONA-HARRISON-SHELBY-POTTAWATTAMIE-MILLS-MONTGOMERY-FREMONT-
PAGE-
INCLUDING THE CITIES OF...ONAWA...MISSOURI VALLEY...HARLAN...
COUNCIL BLUFFS...GLENWOOD...RED OAK...SIDNEY...CLARINDA
338 AM CST FRI DEC 21 2007
...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 10 AM CST THIS
MORNING...
A DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 10 AM CST THIS
MORNING.
DENSE FOG WITH VISIBILITIES LESS THAN 1/4 MILE CAN BE EXPECTED
ACROSS MUCH OF THE SOUTHWEST IOWA THROUGH MID MORNING. IN
ADDITION...ICY SPOTS MAY EXIST ON SOME ROADS AND SIDEWALKS DUE TO
THE FOG OR REFREEZING OF MELTED SNOW. BRIDGES AND OVERPASSES MAY
BE ESPECIALLY SLICK.
A DENSE FOG ADVISORY MEANS THAT VISIBILITIES WILL FREQUENTLY BE
REDUCED TO LESS THAN ONE QUARTER MILE. IF DRIVING...SLOW DOWN...
USE YOUR LOW BEAM HEADLIGHTS...AND LEAVE PLENTY OF DISTANCE AHEAD
OF YOU AND OTHER VEHICLES. ALLOW EXTRA TRAVEL TIME TO REACH YOUR
DESTINATION...SO THAT YOU ARE NOT RUSHED.
MITCHELL-HOWARD-WINNESHIEK-ALLAMAKEE-FLOYD-CHICKASAW-FAYETTE-
CLAYTON-WABASHA-DODGE-OLMSTED-WINONA-MOWER-FILLMORE-HOUSTON-
BUFFALO-TREMPEALEAU-LA CROSSE-VERNON-CRAWFORD-RICHLAND-GRANT-
INCLUDING THE CITIES OF...DECORAH...WAUKON...CHARLES CITY...
OELWEIN...ROCHESTER...WINONA...AUSTIN...LA CROSSE...VIROQUA...
PRAIRIE DU CHIEN...RICHLAND CENTER...PLATTEVILLE
406 AM CST FRI DEC 21 2007
...DENSE FOG ADVISORY NOW IN EFFECT UNTIL NOON CST TODAY...
THE DENSE FOG ADVISORY IS NOW IN EFFECT UNTIL NOON CST TODAY.
WIDESPREAD DENSE FOG WILL PERSIST ACROSS THE AREA DURING THE
MORNING HOURS. EXPECT WIDESPREAD VISIBILITIES OF ONE QUARTER OF
A MILE OR LESS...NEAR ZERO IN SOME PLACES. WITH TEMPERATURES NEAR
THE FREEZING MARK...ALSO WATCH FOR SLIPPERY SPOTS ON ROADWAYS.
THE LOWEST VISIBILITIES ARE EXPECTED TO BE ALONG THE RIDGE TOPS
AND IN AREAS OF HIGHER TERRAIN.
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.
...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. WIDESPREAD SNOW AND BLOWING SNOW MAY OCCUR OVER IOWA
AND STATES TO THE SOUTH AND EAST.
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
424 AM CST FRI DEC 21 2007
...WINTER STORM WATCH NOW IN EFFECT FROM SATURDAY AFTERNOON
THROUGH LATE SATURDAY NIGHT...
THE WINTER STORM WATCH IS NOW IN EFFECT FROM SATURDAY AFTERNOON
THROUGH LATE SATURDAY NIGHT.
THERE IS THE POTENTIAL FOR MODERATE TO LOCALLY HEAVY SNOWFALL...ALONG
WITH BLOWING SNOW...OVER THE EASTERN HALF OF IOWA SATURDAY
AFTERNOON AND SATURDAY NIGHT. A COMBINATION OF LIGHT RAIN OR LIGHT
SNOW IS EXPECTED TO CHANGE OVER TO ALL SNOW DURING THE AFTERNOON
HOURS. THE SNOW MAY BECOME HEAVY TOWARD SUNSET OVER SOUTHEAST IOWA
BEFORE ENDING DURING THE EVENING WITH THE POTENTIAL FOR SNOW TOTALS
IN THE WATCH AREA FROM TWO TO SIX INCHES...WITH HIGHEST AMOUNTS SOUTHEAST.
WIND BLOWN SNOW MAY BE MORE OF A PROBLEM THAN AMOUNTS HOWEVER.
WINDS WILL BECOME NORTHWEST AND GUSTY SATURDAY AFTERNOON AND
EVENING WITH BLOWING AND DRIFTING SNOW POSSIBLE. WIND GUSTS MAY EXCEED
30 MPH AT TIMES PRODUCING NEAR BLIZZARD CONDITIONS...VISIBILITIES
BELOW AT HALF MILE...DURING THE PERIODS OF HEAVIER SNOW. ALTHOUGH THE
SNOW SHOULD DECREASE IN INTENSITY OVERNIGHT OR END ALTOGETHER...BLOWING AND
DRIFTING SNOW MAY CONTINUE SATURDAY NIGHT WITH LITTLE CHANGE IN
THE WIND ANTICIPATED.
A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL WITH
SNOW AND WIND BEING THE MAIN HAZARDS IN THIS INSTANCE. CONTINUE TO
MONITOR THE LATEST FORECASTS FOR UPDATED INFORMATION.
$$
SMALL
...POTENTIAL STRONG WINTER STORM TO IMPACT THE AREA THIS
WEEKEND...
.THE POTENTIAL STILL EXISTS FOR HEAVY SNOW AND SIGNIFICANT BLOWING
AND DRIFTING OF SNOW FROM SATURDAY AFTERNOON THROUGH SUNDAY
MORNING ACROSS SOUTHEAST MINNESOTA...NORTHEAST IOWA...AND WESTERN
WISCONSIN.
A LOW PRESSURE SYSTEM IS EXPECTED TO DEVELOP ACROSS THE MID
MISSISSIPPI RIVER VALLEY ON SATURDAY. THIS SYSTEM IS EXPECTED
TO MOVE NORTHWARD AND RAPIDLY DEEPEN AS IT MOVES SLOWLY THROUGH
THE WESTERN GREAT LAKES ON SATURDAY NIGHT AND SUNDAY. THIS SYSTEM
WILL BRING WITH IT ABUNDANT GULF OF MEXICO MOISTURE INTO THE
REGION. THIS SYSTEM HAS THE POTENTIAL OF PRODUCING ACCUMULATING
SNOW FROM SATURDAY AFTERNOON THROUGH SUNDAY. SNOW AMOUNTS DURING
THIS TIME PERIOD MAY RANGE FROM 2 TO 4 INCHES ACROSS SOUTHEAST
MINNESOTA AND NORTHEAST IOWA...AND 4 TO 9 INCHES ACROSS WESTERN
WISCONSIN. THESE SNOW AMOUNTS ARE HIGHLY DEPENDENT UPON THE EXACT
TRACK OF THE LOW PRESSURE SYSTEM THROUGH THE REGION.
IN ADDITION TO THE SNOW...SUSTAINED WEST WINDS OF 20 TO 30 MPH
AND WIND GUSTS BETWEEN 40 AND 45 MPH ARE POSSIBLE FROM LATE
SATURDAY INTO SUNDAY. IF THIS DOES IN INDEED DEVELOP...THERE WOULD
BE CONSIDERABLE BLOWING AND DRIFTING OF THE SNOW.
WABASHA-DODGE-OLMSTED-WINONA-MOWER-FILLMORE-HOUSTON-TAYLOR-CLARK-
BUFFALO-TREMPEALEAU-JACKSON-LA CROSSE-MONROE-JUNEAU-ADAMS-
INCLUDING THE CITIES OF...ROCHESTER...WINONA...AUSTIN...MEDFORD...
NEILLSVILLE...BLACK RIVER FALLS...LA CROSSE...SPARTA/TOMAH...
MAUSTON
438 AM CST FRI DEC 21 2007
...WINTER STORM WATCH IN EFFECT FROM SATURDAY AFTERNOON THROUGH
SUNDAY MORNING...
THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A WINTER
STORM WATCH...WHICH IS IN EFFECT FROM SATURDAY AFTERNOON THROUGH
SUNDAY MORNING.
ACCUMULATING SNOW IS EXPECTED TO DEVELOP ACROSS SOUTHEAST
MINNESOTA ON SATURDAY MORNING AND THE REST OF WESTERN WISCONSIN ON
SATURDAY AFTERNOON. THIS ACCUMULATING SNOW MAY CONTINUE THROUGH AT
LEAST SUNDAY MORNING. TOTAL SNOW AMOUNTS FROM SATURDAY AFTERNOON
THROUGH SUNDAY MAY BE IN THE 2 TO 4 INCH RANGE ACROSS SOUTHEAST
MINNESOTA AND 4 TO 9 INCHES ACROSS WESTERN WISCONSIN.
IN ADDITION TO THE SNOW...THERE MAY BE SUSTAINED WEST WINDS IN THE
20 TO 30 MPH RANGE AND WIND GUSTS BETWEEN 40 AND 45 MPH FROM LATE
SATURDAY INTO SUNDAY. IF THIS OCCURS...THERE WOULD BE CONSIDERABLE
BLOWING AND DRIFTING OF THE SNOW.
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.
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
438 AM CST FRI DEC 21 2007
...WINTER STORM WATCH NOW IN EFFECT FROM SATURDAY AFTERNOON
THROUGH SUNDAY MORNING...
THE WINTER STORM WATCH IS NOW IN EFFECT FROM SATURDAY AFTERNOON
THROUGH SUNDAY MORNING.
ACCUMULATING SNOW IS EXPECTED TO DEVELOP ACROSS NORTHEAST IOWA ON
SATURDAY MORNING AND THE SOUTHWEST WISCONSIN ON SATURDAY AFTERNOON.
THIS ACCUMULATING SNOW MAY CONTINUE THROUGH AT LEAST SUNDAY
MORNING. TOTAL SNOW AMOUNTS FROM SATURDAY AFTERNOON THROUGH SUNDAY
MAY BE IN THE 2 TO 4 INCH RANGE ACROSS NORTHEAST IOWA AND 4 TO
9 INCHES ACROSS SOUTHWEST WISCONSIN.
IN ADDITION TO THE SNOW...THERE MAY BE SUSTAINED WEST WINDS IN THE
20 TO 30 MPH RANGE AND WIND GUSTS BETWEEN 40 AND 45 MPH FROM LATE
SATURDAY INTO SUNDAY. IF THIS OCCURS...THERE WOULD BE CONSIDERABLE
BLOWING AND DRIFTING OF THE SNOW.
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.
HUMBOLDT-WEBSTER-BOONE-DALLAS-MADISON-CLARKE-DECATUR-
INCLUDING THE CITIES OF...HUMBOLDT...FORT DODGE...BOONE...ADEL...
WINTERSET...OSCEOLA...LEON
858 AM CST FRI DEC 21 2007
...DENSE FOG ADVISORY NOW IN EFFECT UNTIL NOON CST TODAY...
THE DENSE FOG ADVISORY IS NOW IN EFFECT UNTIL NOON CST TODAY.
AREAS OF DENSE FOG WILL CONTINUE THROUGH THE MORNING HOURS.
VISIBILITIES WILL RANGE FROM A COUPLE MILES DOWN TO LESS THAN ONE
QUARTER MILE. MOTORISTS SHOULD BE PREPARED FOR QUICK REDUCTIONS
IN VISIBILITY...AND TRAVEL MAY BE DIFFICULT IN THE MOST DENSE FOG.
FOG FREEZING ON ROADWAYS WILL ALSO CREATE SLICK ROAD CONDITIONS.
A DENSE FOG ADVISORY MEANS VISIBILITIES WILL FREQUENTLY BE
REDUCED TO LESS THAN ONE QUARTER MILE. IF DRIVING...SLOW DOWN...
USE YOUR HEADLIGHTS ON LOW BEAM...AND LEAVE PLENTY OF DISTANCE
AHEAD OF YOU.
KOSSUTH-WINNEBAGO-WORTH-HANCOCK-CERRO GORDO-WRIGHT-FRANKLIN-
BUTLER-BREMER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-STORY-MARSHALL-
TAMA-POLK-JASPER-POWESHIEK-WARREN-MARION-MAHASKA-LUCAS-MONROE-
WAPELLO-WAYNE-APPANOOSE-DAVIS-
INCLUDING THE CITIES OF...ALGONA...FOREST CITY...NORTHWOOD...
GARNER...MASON CITY...CLARION...HAMPTON...ALLISON...WAVERLY...
WEBSTER CITY...ELDORA...GRUNDY CENTER...WATERLOO...AMES...
MARSHALLTOWN...TOLEDO...DES MOINES...NEWTON...GRINNELL...
INDIANOLA...KNOXVILLE...OSKALOOSA...CHARITON...ALBIA...OTTUMWA...
CORYDON...CENTERVILLE...BLOOMFIELD
858 AM CST FRI DEC 21 2007
...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY...
A DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY.
WIDESPREAD DENSE FOG WILL PERSIST THROUGHOUT PORTIONS OF CENTRAL
IOWA THROUGH THE MORNING HOURS. VISIBILITIES WILL CONTINUE TO BE
REDUCED TO A QUARTER MILE OR DOWN TO ZERO IN MANY LOCATIONS.
MOTORISTS SHOULD BE PREPARED FOR QUICK REDUCTIONS IN VISIBILITY...
AND TRAVEL MAY BECOME DIFFICULT IN THE DENSE FOG. IN ADDITION...
LOCATIONS WHERE PAVEMENT TEMPERATURES ARE BELOW FREEZING...THE
FOG MAY FREEZE ON THE ROADWAY...CREATING VERY SLICK CONDITIONS.
A DENSE FOG ADVISORY MEANS VISIBILITIES WILL FREQUENTLY BE
REDUCED TO LESS THAN ONE QUARTER MILE. IF DRIVING...SLOW DOWN...
USE YOUR HEADLIGHTS ON LOW BEAM...AND LEAVE PLENTY OF DISTANCE
AHEAD OF YOU. BE SURE TO CHECK THE LATEST ROAD CONDITIONS...AS
TRAVEL IS NOT ADVISED IN SOME AREAS DUE TO THE LOW VISIBILITIES.
DONAVON

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