(UPDATED) Winter Weather Advisory until 10-a.m. Thu. for parts of western IA

News, Weather

May 1st, 2013 by Ric Hanson

555 PM CDT WED MAY 1 2013 (SCROLL DOWN FOR ADDITIONAL COUNTY DETAILS)

AREA COUNTIES: MONONA-HARRISON-SHELBY-POTTAWATTAMIE-MILLS...

…WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 10 AM CDT THURSDAY…

Counties in purple are under a Winter Weather Advisory

 

* TIMING...RAIN WILL MIX WITH SLEET AND SNOW…THEN BECOME ALL SNOW THROUGH EVENING HOURS. SNOW WILL CONTINUE OVERNIGHT AND INTO THURSDAY MORNING…WITH SNOW DIMINISHING THROUGH THE MORNING HOURS ON THURSDAY.

* ACCUMULATIONS…SNOW ACCUMULATIONS COULD VARY SIGNIFICANTLY OVER SHORT DISTANCES DUE TO THE BANDED NATURE OF THE SNOW…AS WELL AS HIGHER ELEVATIONS THAT ARE SLIGHTLY COLDER AND ABLE TO ACCUMULATE MORE SNOW. STORM TOTAL SNOW OF 2 TO 5 INCHES IS POSSIBLE THROUGH THURSDAY MORNING…WITH ISOLATED HIGHER AMOUNTS POSSIBLE.

* OTHER IMPACTS…ROADS MAY BECOME SLUSHY AND SLICK…ESPECIALLY AFTER SUNSET WHEN THE SUN IS NO LONGER WARMING THE ROAD SURFACES. GUSTY NORTH WINDS OF 20 TO 25 MPH…WITH GUSTS UP TO AROUND 35 MPH…MAY CAUSE REDUCED VISIBILITY.

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 VISIBILITIES…AND USE CAUTION WHILE DRIVING.

COUNTIES: CRAWFORD-CARROLL-AUDUBON… ...WINTER WEATHER ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 10 AM CDT THURSDAY

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WINTER WEATHER ADVISORY FOR HEAVY WET SNOW…WHICH IS IN EFFECT FROM 10 PM THIS EVENING TO 10 AM CDT THURSDAY.

* TIMING...RAIN WILL SWITCH TO ALL SNOW MID EVENING AND CONTINUE THROUGH THURSDAY MORNING.

* STORM TOTAL SNOW ACCUMULATIONS...2 TO 5 INCHES WITH LOCALLY HIGHER AMOUNTS. SNOWFALL RATES OF 1 TO NEAR 2 INCHES PER HOUR CAN BE EXPECTED AT TIMES AND SNOW WILL ACCUMULATE QUICKLY.

* WINDS/VISIBILITY...NORTH WINDS OF 15 TO 25 MPH WITH GUSTS TO 30 MPH WILL REDUCE VISIBILITY TO LESS THAN A HALF MILE AT TIMES WHEN THE SNOW DEVELOPS LATER THIS EVENING.

* IMPACTS…ROADS ARE EXPECTED TO BECOME SNOW COVERED AND SLUSHY AS THE SNOW INTENSIFIES THIS EVENING AND INTO THE OVERNIGHT HOURS.