Winter Storm Watch Expanded to cover ALL of western, central and eastern Iowa

News, Weather

December 17th, 2012 by Ric Hanson

AREA COUNTIES: SAC-CRAWFORD-CARROLL-AUDUBON-GUTHRIE-DALLAS-CASS-ADAIR- MADISON-ADAMS-UNION-TAYLOR-RINGGOLD- http://www.crh.noaa.gov/dmx/

401 PM CST MON DEC 17 2012 …WINTER STORM WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH THURSDAY AFTERNOON

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WINTER STORM WATCH…WHICH IS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH THURSDAY AFTERNOON.

* TIMING…PRECIPITATION WILL OVERSPREAD CENTRAL IOWA ON WEDNESDAY AFTERNOON. SNOW IS EXPECTED ALONG AND NORTH OF AN ATLANTIC THROUGH BOONE TO WATERLOO LINE. RAIN IS EXPECTED IN SOUTHERN IOWA SOUTH OF A BEDFORD TO OSKALOOSA LINE. IN BETWEEN…A RAIN AND SNOW MIX IS EXPECTED. THIS PRECIPITATION WILL CHANGE TO ALL SNOW ON WEDNESDAY NIGHT BEFORE ENDING ON THURSDAY MORNING.

* STORM TOTAL SNOW ACCUMULATION…5 TO 8 INCHES OF SNOW IS EXPECTED IN THE WATCH AREA. LOCAL AMOUNTS OF UP TO 10 INCHES WILL BE POSSIBLE.

* WINDS/VISIBILITY…WINDS WILL BECOME VERY STRONG ON WEDNESDAY NIGHT FROM THE NORTH TO NORTHWEST. SUSTAINED WINDS OF 20 TO 30 MPH ARE EXPECTED WITH GUSTS OVER 35 MPH POSSIBLE. THE STRONGEST WINDS ARE EXPECTED AROUND DAYBREAK ON THURSDAY WITH NEAR BLIZZARD CONDITIONS POSSIBLE WITH VISIBILITIES REDUCED BELOW ONE QUARTER OF A MILE FROM TIME TO TIME.

* IMPACTS…VERY DANGEROUS CONDITIONS ARE EXPECTED TO DEVELOP ON WEDNESDAY NIGHT INTO THURSDAY MORNING. BE PREPARED FOR VERY DIFFICULT TRAVEL AND NEAR BLIZZARD CONDITIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS… 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.