WINTER STORM WATCH
Warning Issue Date: 507 AM CST WED DEC 23 2009
...WINTER WEATHER ADVISORY IN EFFECT UNTIL MIDNIGHT CST TONIGHT...
...WINTER STORM WATCH NOW IN EFFECT FROM THURSDAY AFTERNOON
THROUGH FRIDAY EVENING...
...FREEZING RAIN ADVISORY IS CANCELLED...
THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WINTER
WEATHER ADVISORY FOR FREEZING RAIN...SLEET OR SNOW...WHICH IS IN
EFFECT UNTIL MIDNIGHT CST TONIGHT. THE FREEZING RAIN ADVISORY HAS
BEEN CANCELED. THE WINTER STORM WATCH IS NOW IN EFFECT FROM
THURSDAY AFTERNOON THROUGH FRIDAY EVENING.
...WINTER WEATHER ADVISORY...
* SHORT TERM TRENDS...AN AREA OF SHOWERS...AND EVEN A FEW
THUNDERSTORMS...OVER KANSAS AND MISSOURI WILL ADVANCE NORTHWARD
INTO SOUTHERN IOWA THIS MORNING. AS IT DOES THE PRECIPITATION
WILL SWITCH TO A MORE WINTER VARIETY BECOMING FREEZING RAIN AND
THEN EVENTUALLY SLEET OR SNOW BY THE TIME IT HITS CENTRAL IOWA
TOWARD MIDDAY. UP TO A TENTH OF AN INCH OF ICE...AND AN INCH OR
LESS OF SNOW MAY ACCUMULATE BY THROUGH THIS EVENING.
...WINTER STORM WATCH...
* LONG TERM TRENDS...THE PRECIPITATION SHOULD SWITCH TO MAINLY
RAIN LATE TONIGHT AND EARLY THURSDAY BEFORE TRANSITIONING BACK
TO A WINTRY MIX AND EVENTUALLY ALL SNOW LATE THURSDAY. ONCE IT
DOES THE SNOW MAY BE HEAVY AND WIND BLOWN...ESPECIALLY INTO
FRIDAY WHEN THE WINDS INCREASE.
* STORM TOTAL SNOW ACCUMULATIONS...BY THE TIME THE PRECIPITATION
DIMINISHES SATURDAY...THREE TO NINE INCHES OF SNOW IS EXPECTED
WITH THE HIGHEST AMOUNTS OF THAT RANGE FROM ATLANTIC TO IOWA
FALLS.
* WINDS...BRISK EAST WINDS OF 15 TO 25 MPH WILL BE COMMON
WEDNESDAY INTO THURSDAY. BY FRIDAY...WINDS WILL BECOME
NORTHWEST AT 25 TO 35 MPH WITH HIGHER GUSTS.
* VISIBILITY...DURING THE PERIODS OF HEAVIER SNOW LATE THURSDAY AND
FRIDAY...VISIBILITIES WILL GENERALLY BE LESS THAN ONE MILE AND
EVEN DOWN TO A QUARTER MILE DURING THE HEAVIEST SNOWS. WITH
INCREASING WINDS AND SNOW COINCIDENT BY FRIDAY...BLOWING SNOW
AND GREATLY REDUCED VISIBILITIES NEAR BLIZZARD CONDITIONS ARE
EXPECTED BY THAT TIME ESPECIALLY WEST OF INTERSTATE 35.
* IMPACTS...TRAVEL WILL BECOME INCREASINGLY DIFFICULT IN THE WATCH
AREA ON ON CHRISTMAS EVE NIGHT AND CHRISTMAS DAY AS SNOW
ACCUMULATES AND WINDS INCREASE. IN THE HEAVIEST SNOW AREAS...
TRAVEL MAY BECOME NEARLY IMPOSSIBLE DUE TO BLOWING AND DRIFTING
SNOW THURSDAY NIGHT INTO FRIDAY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITY...AND USE CAUTION WHILE
DRIVING.
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.
$$
WINTER WEATHER ADVISORY
Warning Issue Date: 507 AM CST WED DEC 23 2009
...WINTER WEATHER ADVISORY IN EFFECT UNTIL MIDNIGHT CST TONIGHT...
...WINTER STORM WATCH NOW IN EFFECT FROM THURSDAY AFTERNOON
THROUGH FRIDAY EVENING...
...FREEZING RAIN ADVISORY IS CANCELLED...
THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WINTER
WEATHER ADVISORY FOR FREEZING RAIN...SLEET OR SNOW...WHICH IS IN
EFFECT UNTIL MIDNIGHT CST TONIGHT. THE FREEZING RAIN ADVISORY HAS
BEEN CANCELED. THE WINTER STORM WATCH IS NOW IN EFFECT FROM
THURSDAY AFTERNOON THROUGH FRIDAY EVENING.
...WINTER WEATHER ADVISORY...
* SHORT TERM TRENDS...AN AREA OF SHOWERS...AND EVEN A FEW
THUNDERSTORMS...OVER KANSAS AND MISSOURI WILL ADVANCE NORTHWARD
INTO SOUTHERN IOWA THIS MORNING. AS IT DOES THE PRECIPITATION
WILL SWITCH TO A MORE WINTER VARIETY BECOMING FREEZING RAIN AND
THEN EVENTUALLY SLEET OR SNOW BY THE TIME IT HITS CENTRAL IOWA
TOWARD MIDDAY. UP TO A TENTH OF AN INCH OF ICE...AND AN INCH OR
LESS OF SNOW MAY ACCUMULATE BY THROUGH THIS EVENING.
...WINTER STORM WATCH...
* LONG TERM TRENDS...THE PRECIPITATION SHOULD SWITCH TO MAINLY
RAIN LATE TONIGHT AND EARLY THURSDAY BEFORE TRANSITIONING BACK
TO A WINTRY MIX AND EVENTUALLY ALL SNOW LATE THURSDAY. ONCE IT
DOES THE SNOW MAY BE HEAVY AND WIND BLOWN...ESPECIALLY INTO
FRIDAY WHEN THE WINDS INCREASE.
* STORM TOTAL SNOW ACCUMULATIONS...BY THE TIME THE PRECIPITATION
DIMINISHES SATURDAY...THREE TO NINE INCHES OF SNOW IS EXPECTED
WITH THE HIGHEST AMOUNTS OF THAT RANGE FROM ATLANTIC TO IOWA
FALLS.
* WINDS...BRISK EAST WINDS OF 15 TO 25 MPH WILL BE COMMON
WEDNESDAY INTO THURSDAY. BY FRIDAY...WINDS WILL BECOME
NORTHWEST AT 25 TO 35 MPH WITH HIGHER GUSTS.
* VISIBILITY...DURING THE PERIODS OF HEAVIER SNOW LATE THURSDAY AND
FRIDAY...VISIBILITIES WILL GENERALLY BE LESS THAN ONE MILE AND
EVEN DOWN TO A QUARTER MILE DURING THE HEAVIEST SNOWS. WITH
INCREASING WINDS AND SNOW COINCIDENT BY FRIDAY...BLOWING SNOW
AND GREATLY REDUCED VISIBILITIES NEAR BLIZZARD CONDITIONS ARE
EXPECTED BY THAT TIME ESPECIALLY WEST OF INTERSTATE 35.
* IMPACTS...TRAVEL WILL BECOME INCREASINGLY DIFFICULT IN THE WATCH
AREA ON ON CHRISTMAS EVE NIGHT AND CHRISTMAS DAY AS SNOW
ACCUMULATES AND WINDS INCREASE. IN THE HEAVIEST SNOW AREAS...
TRAVEL MAY BECOME NEARLY IMPOSSIBLE DUE TO BLOWING AND DRIFTING
SNOW THURSDAY NIGHT INTO FRIDAY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITY...AND USE CAUTION WHILE
DRIVING.
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.
$$
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