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NWS Forecast for Cass & area Counties: Wed., Dec. 19th 2012

Weather

December 19th, 2012 by Ric Hanson

405 AM CST WED DEC 19 2012

BLIZZARD WARNING IN EFFECT FROM 6 PM THIS EVENING TO NOON CST THURSDAY

TODAY…MOSTLY CLOUDY. A CHANCE OF RAIN EARLY IN THE AFTERNOON. SNOW LIKELY LATE IN THE AFTERNOON. SNOW ACCUMULATION AROUND 1 INCH. HIGH IN THE UPPER 30S. NORTHEAST WIND 5 TO 15 MPH. CHANCE OF PRECIPITATION 70 PERCENT.

TONIGHT…SNOW. AREAS OF BLOWING SNOW AFTER MIDNIGHT. WINDY. SNOW MAY BE HEAVY AT TIMES EARLY IN THE MORNING. SNOW ACCUMULATION OF 8 TO 9 INCHES. TOTAL SNOW ACCUMULATION 9 TO 10 INCHES. LOW IN THE LOWER 20S. NORTHEAST WIND 15 TO 25 MPH SHIFTING TO THE NORTH 25 TO 30 MPH AFTER MIDNIGHT. GUSTS UP TO 40 MPH. CHANCE OF SNOW NEAR 100 PERCENT.

THURSDAY…PARTLY SUNNY. A 20 PERCENT CHANCE OF SNOW THROUGH MID MORNING. AREAS OF BLOWING SNOW IN THE MORNING. WINDY…COLDER. HIGH IN THE MID 20S. TEMPERATURE STEADY OR SLOWLY FALLING IN THE AFTERNOON. NORTHWEST WIND 20 TO 30 MPH WITH GUSTS TO AROUND 40 MPH.

THURSDAY NIGHT…MOSTLY CLEAR. BREEZY…COLDER. LOW ZERO TO 5 ABOVE. NORTHWEST WIND 10 TO 20 MPH WITH GUSTS TO AROUND 30 MPH DECREASING TO 5 TO 10 MPH AFTER MIDNIGHT.

FRIDAY…MOSTLY SUNNY. HIGH IN THE UPPER 20S. NORTHWEST WIND NEAR 5 MPH SHIFTING TO THE SOUTHWEST IN THE AFTERNOON.

FRIDAY NIGHT AND SATURDAY…MOSTLY CLEAR. LOW 10 TO 15. HIGH AROUND 30.

BULLETIN! BLIZZARD WARNING ISSUED FOR CASS & OTHER COUNTIES….

News, Weather

December 19th, 2012 by Ric Hanson

CARROLL-AUDUBON-GUTHRIE-DALLAS-CASS- ADAIR-MADISON-ADAMS-UNION-TAYLOR & RINGGOLD COUNTIES….358 AM CST WED DEC 19 2012
BLIZZARD WARNING IN EFFECT FROM 6 PM THIS EVENING TO NOON CST THURSDAY……WINTER STORM WARNING IS CANCELLED…
THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A BLIZZARD WARNING…WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO NOON CST THURSDAY. THE WINTER STORM WARNING HAS BEEN CANCELLED.

PRECIPITATION WILL OVERSPREAD WESTERN IOWA LATE THIS AFTERNOON. SNOW IS EXPECTED ALONG AND NORTH OF AN ATLANTIC THROUGH JEFFERSON LINE. RAIN IS EXPECTED IN SOUTHERN IOWA SOUTH OF A BEDFORD TO OSCEOLA LINE. IN BETWEEN…A RAIN AND SNOW MIX IS EXPECTED. THIS PRECIPITATION WILL CHANGE TO ALL SNOW THIS EVENING BEFORE ENDING THURSDAY MORNING.

6 TO 10 INCHES OF SNOW ARE FORECAST BY THURSDAY MORNING. THE HEAVIEST SNOW AXIS WILL BE ALONG A LINE FROM ATLANTIC TO ADEL. THE LOWEST AMOUNTS ARE EXPECTED NEAR THE MISSOURI BORDER. SNOW DRIFTS SEVERAL FEET DEEP WILL BE POSSIBLE GIVEN THE STRONG WINDS.

WINDS WILL BECOME VERY STRONG LATE TONIGHT FROM THE NORTH NORTHWEST. SUSTAINED WINDS OF 25 TO 35 MPH ARE EXPECTED WITH GUSTS OVER 45 MPH POSSIBLE. THE STRONGEST WINDS ARE EXPECTED A FROM MIDNIGHT THROUGH NOON THURSDAY. BLIZZARD CONDITIONS ARE EXPECTED AT TIMES WITH VISIBILITY REDUCED BELOW ONE QUARTER OF A MILE.
VERY DANGEROUS CONDITIONS ARE EXPECTED TO DEVELOP TONIGHT INTO THURSDAY MORNING. BE PREPARED FOR VERY DANGEROUS TRAVEL AND BLIZZARD CONDITIONS. IN RURAL AREAS ESPECIALLY…ONLY TRAVEL IF YOU MUST…OTHERWISE STAY SAFE AND STAY HOME.

MONONA-HARRISON-SHELBY-POTTAWATTAMIE-MILLS-MONTGOMERY-FREMONT & PAGE COUNTIES...339 AM CST WED DEC 19 2012
WINTER STORM WARNING REMAINS IN EFFECT FROM 3 PM THIS  AFTERNOON TO 6 AM CST THURSDAY...

LIGHT SNOW WILL SPREAD INTO THE AREA BY MID AFTERNOON…THEN BECOME MODERATE TO HEAVY BY LATE AFTERNOON INTO WEDNESDAY NIGHT. SNOW WILL BE DECREASING LATE WEDNESDAY NIGHT BUT STRONG WINDS WILL CONTINUE INTO THURSDAY MORNING. SNOW ACCUMULATIONS OF 6 TO 9 INCHES ARE LIKELY. LOCALLY HEAVIER AMOUNTS WILL BE POSSIBLE.
NORTHEAST WINDS WILL INCREASE TO 15 TO 25 MPH BY MID TO LATE AFTERNOON. NORTH WINDS OF 20 TO 30 MPH AND GUSTS TO 40 MPH ARE EXPECTED WEDNESDAY NIGHT INTO THURSDAY MORNING. WINDS WILL SLOWLY DECREASE LATER THURSDAY MORNING.

THE COMBINATION OF HEAVY SNOW AND STRONG WINDS WILL CREATE CONSIDERABLE BLOWING AND DRIFTING SNOW. THIS WILL CAUSE LOW VISIBILITIES FROM LATE WEDNESDAY AFTERNOON THROUGH WEDNESDAY NIGHT. WHITE-OUT CONDITIONS WILL BE POSSIBLE IN SOME LOCATIONS.

Winter Storm Watch no longer in effect for far west/sw IA: It’s a Winter Storm Warning

News, Weather

December 18th, 2012 by Ric Hanson

THE ENTIRE KJAN LISTENING AREA IS UNDER A WINTER STORM WARNING WEDNESDAY AND PARTS OF THURSDAY. THE WARNING WILL BE IN EFFECT IN THE FAR WEST AND SOUTHWEST COUNTIES (INCLUDING MONONA, HARRISON, SHELBY, POTTAWATTAMIE, MILLS, MONTGOMERY, FREMONT AND PAGE) FROM 3-PM WED. TO 6-AM THURSDAY. THIS REPLACES THE WINTER STORM WATCH WHICH HAD BEEN IN EFFECT. THE WARNING IS ALSO IN EFFECT FROM 4-PM WEDNESDAY UNTIL NOON THURSDAY, FOR THE REMAINDER OF THE AREA.

LIGHT SNOW WILL SPREAD ACROSS THE REGION DURING THE AFTERNOON HOURS WEDNESDAY, THEN TURN HEAVY BY LATE AFTERNOON OR EARLY EVENING. PERIODS OF HEAVY SNOW SHOULD CONTINUE THROUGH MIDNIGHT BEFORE BEFORE DECREASING.

SNOW ACCUMULATIONS…5 TO 8 INCHES ARE LIKELY.

WINDS…NORTHEAST WINDS WILL INCREASE TO 20 TO 30 MPH BY LATE AFTERNOON WITH NORTH WINDS OF 25 TO 35 MPH AND GUSTS TO 40 MPH EXPECTED INTO EARLY THURSDAY MORNING.

IMPACTS...THE COMBINATION OF HEAVY SNOW AND STRONG WINDS WILL CREATE CONSIDERABLE BLOWING AND DRIFTING SNOW AND POOR VISIBILITIES FROM LATE WEDNESDAY AFTERNOON INTO THURSDAY MORNING. WHITE-OUT CONDITIONS WILL BE POSSIBLE IN SOME LOCATIONS.

WINTER STORM WARNING ISSUED FOR SOME AREA COUNTIES WEDNESDAY

News, Weather

December 18th, 2012 by Ric Hanson

SAC-CALHOUN-WEBSTER-CRAWFORD-CARROLL-GREENE-BOONE-AUDUBON-GUTHRIE- DALLAS-CASS-ADAIR-MADISON-ADAMS-UNION-TAYLOR-RINGGOLD-

324 PM CST TUE DEC 18 2012 .

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW AND BLOWING SNOW…WHICH IS IN EFFECT FROM 4 PM WEDNESDAY TO NOON CST THURSDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT FOR THE COUNTIES MENTIONED ABOVE. A WINTER STORM WATCH REMAINS IN EFFECT FOR COUNTIES IN FAR WEST AND SOUTHWEST IOWA FROM WEDNESDAY AFTERNOON THROUGH LATE WED. NIGHT.

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

STORM TOTAL SNOW ACCUMULATION…6 TO 10 INCHES OF SNOW IS EXPECTED BY THURSDAY MORNING. THE HEAVIEST SNOW AXIS WILL BE ALONG A LINE FROM ATLANTIC TO ADEL. THE LOWEST AMOUNTS ARE EXPECTED NEAR THE MISSOURI BORDER. SNOW DRIFTS SEVERAL FEET DEEP WILL BE POSSIBLE GIVEN THE STRONG WINDS.

WINDS/VISIBILITY…WINDS WILL BECOME VERY STRONG WEDNESDAY NIGHT FROM THE NORTH NORTHWEST. SUSTAINED WINDS OF 25 TO 35 MPH ARE EXPECTED WITH GUSTS OVER 45 MPH POSSIBLE. THE STRONGEST WINDS ARE EXPECTED A FEW HOURS PRIOR TO DAYBREAK THROUGH NOON THURSDAY. NEAR BLIZZARD CONDITIONS MAY OCCUR 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. THIS WARNING MAY NEED TO BE UPGRADED TO A BLIZZARD WARNING SHOULD FORECAST CONDITIONS WARRANT.

PRECAUTIONARY/PREPAREDNESS ACTIONS… A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL…KEEP AN EXTRA FLASHLIGHT… FOOD…AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY.

Update 11:15-a.m.: Winter Storm Watch Continues….

News, Weather

December 18th, 2012 by Ric Hanson

1115 AM CST TUE DEC 18 2012

WINTER STORM WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH THURSDAY AFTERNOON

* TIMING…PRECIPITATION WILL OVERSPREAD CENTRAL IOWA WEDNESDAYAFTERNOON. 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 LATE WEDNESDAY EVENING BEFORE ENDING 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 VERY POSSIBLE WITH DRIFTS EVEN HIGHER.

* WINDS/VISIBILITY…WINDS WILL BECOME VERY STRONG WEDNESDAY NIGHT FROM THE NORTH NORTHWEST. SUSTAINED WINDS OF 25 TO 33 MPH ARE EXPECTED WITH GUSTS OVER 45 MPH POSSIBLE. THE STRONGEST WINDS ARE EXPECTED A FEW HOURS PRIOR TO DAYBREAK THROUGH NOON THURSDAY. BLIZZARD OR NEAR BLIZZARD CONDITIONS
MAY OCCUR 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 BLIZZARD OR 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…IN THIS CASE SNOW. CONTINUE TO MONITOR THE LATEST FORECASTS. IF FORECAST CONFIDENCE REGARDING THE STRONG WINDS CONTINUES TO INCREASE…THIS WATCH MAY BE UPGRADED TO A BLIZZARD WATCH TODAY.

Clarinda Police Chief reminds residents about Snow Ordinance; Lenox Ordinance in effect at 6-pm Wed.

News, Weather

December 18th, 2012 by Ric Hanson

(Updated to include Lenox Snow Ordinance)

With the chance of a significant snowfall to occur in southwest Iowa the Clarinda Police Department would like to remind the citizens of Clarinda about the emergency snow ordinance.  Chief Keith Brothers says the ordinance states that no person shall park any motor vehicle or other apparatus upon any street of the city that will obstruct the removal of snow when there has been an accumulation of two (2) inches or more. Any vehicle left parked on any street in violation of this ordinance may be impounded and subject to a traffic citation.

And, the Lenox Police Department reports The City of Lenox snow ordinance will be in effect beginning at 6-PM Wednesday. The ordinance will remain in effect until snow plowing operations have ceased. During snow removal operations, there is NO on street parking permitted. Vehicles in violation of the ordinance will be issued a $20.00 citation and may be subject to tow.

DOT urges caution as winter storm approaches

News, Weather

December 18th, 2012 by Ric Hanson

With the anticipation of a busy holiday travel weekend approaching, the Iowa Department of Transportation is cautioning drivers that the first major winter storm of the season may hamper some travel plans. The storm’s severity will vary depending on location. The National Weather Service is predicting 5 to 8 inches of snow along a line from Atlantic through Boone to Waterloo, with isolated instances of 10 inches possible. Rain is expected in southern Iowa along a line from Bedford to Oskaloosa. In between, a rain/snow mix is expected. All precipitation is expected to change to snow overnight Wednesday before ending Thursday morning.

Winds are expected to become very strong Wednesday night from the north/northwest. Sustained winds of 25 to 33 mph are expected, with gusts of 45 mph or more possible. The strongest winds are expected a few hours prior to daybreak through noon Thursday. Blizzard or near blizzard conditions may occur with visibilities reduced below one-quarter of a mile from time to time.

The Iowa DOT is offering several tips for safe winter travel during the impending storm. First, they say to ask yourself  “Is the trip necessary?” Often, delaying a trip by a few hours can give snow removal crews time to get the roads back to normal winter driving conditions. For traveler information, now available via the web, Twitter, Facebook or on your mobile phone, visit http://511ia.org/. Or simply call 511 (within Iowa) or 800-288-1047 (nationwide). Before you leave, let someone know your departure and expected arrival times, along with your intended route. Allow extra time to reach your destination.

Second, prepare your vehicle and passengers: Make sure your vehicle is in good mechanical condition and its gas tank is nearly full. Turn on your vehicle’s headlights so you can see and be seen. Ensure all passengers are wearing their seat belts or are in child safety seats.

Another tip, is be prepared to use your winter driving skills: Do not use cruise control. Allow extra stopping distance by maintaining adequate distance between your vehicle and the one ahead. Avoid abrupt steering maneuvers. Lower your vehicle’s speed, accelerate more slowly and apply the brakes in a controlled manner.

Carry an emergency survival kit and other supplies.Carry a mobile phone for making an emergency call, but  don’t use it while driving unless absolutely necessary. Your vehicle’s winter survival  kit should contain items to help sustain your life and the lives of your passengers should your vehicle become stranded. Those items can include: booster cables, candles and matches, a flashlight with fresh batteries, extra blankets and warm clothes, nonperishable food items, a can for melting water, and a snow shovel. Sufficient supplies should be in the kit for all persons traveling in the vehicle.

And remember: Use caution when approaching, following or passing a snowplow.  Remember the slogans, “Ice and Snow … Take it Slow” and “Don’t crowd the plow.”

(Podcast) Skyscan Forecast: Tue., Dec. 18th 2012

Podcasts, Weather

December 18th, 2012 by Ric Hanson

The KJAN listening area forecast from Freese-Notis, and weather data for Atlantic…

Play

Snow, high winds expected Wed. in Nebraska, Iowa

News, Weather

December 18th, 2012 by Ric Hanson

OMAHA, Neb. (AP) — Residents across eastern Nebraska and western Iowa should prepare for the season’s first significant snow later this week, with weather forecasters calling for up to half a foot of snow and gusty winds. The National Weather Service says a large winter storm is expected to hit Nebraska midday Wednesday and move into Iowa by Wednesday afternoon.

Service meteorologist Van DeWald, based in Valley just east of Omaha, says heavy snow coupled with 15 to 30 mile per hour winds could make travel in those areas dangerous. DeWald says eastern Nebraska can expect several inches of snow, while western Iowa could see up to six inches of snow.

(Updated 3:55-a.m.) Winter Storm Watch remains in effect for the entire KJAN listening area; Blizzard Watch may be issued

Weather

December 18th, 2012 by Ric Hanson

COUNTIES IN WEST CENTRAL IOWA: CRAWFORD-CARROLL-AUDUBON-GUTHRIE-DALLAS-CASS-ADAIR-MADISON-ADAMS-UNION-TAYLOR-RINGGOLD…343 AM CST TUE DEC 18 2012

WINTER STORM WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH THURSDAY AFTERNOON

PRECIPITATION WILL OVERSPREAD CENTRAL IOWA 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 LATE WEDNESDAY EVENING BEFORE ENDING THURSDAY MORNING.

5 TO 8 INCHES OF SNOW IS EXPECTED IN THE WATCH AREA. LOCAL AMOUNTS OF UP TO 10 INCHES WILL BE VERY POSSIBLE WITH DRIFTS EVEN HIGHER. WINDS WILL BECOME VERY STRONG WEDNESDAY NIGHT FROM THE NORTH NORTHWEST. SUSTAINED WINDS OF 25 TO 33 MPH ARE EXPECTED WITH GUSTS OVER 45 MPH POSSIBLE. THE STRONGEST WINDS ARE EXPECTED A FEW HOURS PRIOR TO DAYBREAK THROUGH NOON THURSDAY. BLIZZARD OR NEAR BLIZZARD CONDITIONS MAY OCCUR WITH VISIBILITIES REDUCED BELOW ONE QUARTER OF A MILE FROM TIME TO TIME.

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

THIS WATCH MAY BE UPGRADED TO A BLIZZARD WATCH TODAY.

COUNTIES IN WESTERN IOWA: MONONA-HARRISON-SHELBY-POTTAWATTAMIE-MILLS-MONTGOMERY-FREMONT-

PAGE; 316 AM CST TUE DEC 18 2012 NATIONAL WEATHER SERVICE/VALLEY, NE

A WINTER STORM WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH LATE WEDNESDAY NIGHT

SNOW WILL BEGIN BY MIDDAY ON WEDNESDAY IN EASTERN NEBRASKA…SPREADING INTO WESTERN IOWA BY MID AFTERNOON. SNOWFALL OF UP TO SEVEN INCHES IS POSSIBLE IN THE HEAVIEST BAND…ALTHOUGH THE LOCATION AND POTENTIAL HIGHEST AMOUNTS MAY CHANGE AS THE FORECAST OF THE STORM TRACK FLUCTUATES.

GUSTY NORTH WINDS WILL CREATE BLOWING AND DRIFTING SNOW ON WEDNESDAY NIGHT INTO THURSDAY MORNING…WITH WHITEOUT CONDITIONS POSSIBLE.

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.