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Winter Storm Watch extended to parts of SW IA

News, Weather

December 2nd, 2011 by Ric Hanson

The National Weather Service has extended the number of counties it has included in a Winter Storm Watch, which will be in effect from Saturday morning through Saturday evening. The Watch now includes the following counties: Crawford, Carroll, Monona, Harrison, Shelby, and Pottawattamie.

The Weather Service says rain will change to snow during the day, Saturday, and end before daybreak on Sunday. Snowfall amounts in the Watch area may range from 4-to 7-inches, with the highest amounts of 6-to 7-inches expected to fall along and north of Interstate 80. Winds are forecast to become N-NW at 15-20 mph.

A Winter Storm Watch mean there is a potential for significant snow…sleet..or ice accumulations that may impact travel.

National Weather Service forecast, Fri., Dec. 2nd, 2011

Weather

December 2nd, 2011 by Ric Hanson

Here’s the latest forecast for Cass and surrounding counties, including Atlantic….

Today: Sunny, with a high near 40. Wind chill values as low as 5. Calm wind becoming south between 12 and 15 mph. Winds could gust as high as 21 mph.

Tonight: A chance of rain and snow before midnight, then rain. Temperature rising to around 36 by 1am. South wind between 7 and 11 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

Saturday: Rain before 3pm, then rain and snow. Temperature falling to around 31 by 5pm. Calm wind becoming north between 6 and 9 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

Saturday Night: Snow likely, mainly before midnight. Cloudy, with a low around 20. Wind chill values as low as 10. North northwest wind between 9 and 11 mph. Chance of precipitation is 70%.

Sunday: Mostly sunny, with a high near 30. West northwest wind between 7 and 9 mph.

Sunday Night: Partly cloudy, with a low around 16.

Monday: Mostly sunny, with a high near 24.

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Thursday’s High in Atlantic was 35. We received .2″ of snow, which melted into just .01″ of liquid precipitation. Our low this morning (thru 5:30-a.m.), was 6 degrees above zero.

Winter Storm Watch & Advisories posted for parts of western/NW & N.Central IA

Weather

December 2nd, 2011 by Ric Hanson

349 AM CST FRI DEC 2 2011…WINTER STORM TO AFFECT PORTIONS OF WESTERN AND NORTHERN IOWA THIS WEEKEND

A STORM SYSTEM IS EXPECTED TO PRODUCE WIDESPREAD PRECIPITATION ACROSS IOWA LATE TONIGHT INTO EARLY SUNDAY MORNING. THE PRECIPITATION WILL BE IN THE FORM OF SNOW IN WEST CENTRAL TO NORTH CENTRAL IOWA ON SATURDAY INTO SATURDAY NIGHT. SIGNIFICANT SNOW ACCUMULATIONS ARE EXPECTED PRIOR TO THE SNOW ENDING EARLY SUNDAY MORNING.

COUNTIES INCLUDED IN THE WINTER STORM WATCH: EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-POCAHONTAS-HUMBOLDT-WRIGHT-SAC-CALHOUN-WEBSTER-CRAWFORD-CARROLL

WINTER STORM WATCH IN EFFECT FROM SATURDAY MORNING THROUGH SATURDAY EVENING

TIMING…A MIXTURE OF LIGHT PRECIPITATION IS EXPECTED LATE TONIGHT INTO SATURDAY MORNING. HOWEVER…THE MOST SIGNIFICANT  SNOW IS EXPECTED TOWARD MIDDAY SATURDAY INTO SATURDAY EVENING BEFORE ENDING EARLY SUNDAY MORNING.

STORM TOTAL SNOW ACCUMULATIONS…SNOWFALL OF 4 TO 7 INCHES IS  EXPECTED IN THE WATCH AREA WITH LOCALIZED HIGHER AMOUNTS. SOME SLEET ACCUMULATIONS MAY OCCUR ON THE SOUTHERN END OF THE WATCH AREA BUT THIS APPEARS MINOR AT THIS POINT.

WINDS/VISIBILITY…WINDS WILL INCREASE FROM THE NORTH NORTHWEST  AT 10 TO 20 MPH ON SATURDAY AFTERNOON AND CONTINUE INTO SATURDAY NIGHT. SOME MINOR BLOWING AND DRIFTING SNOW MAY OCCUR AT THESE WIND SPEEDS. THE MAIN RESTRICTION TO VISIBILITY WILL BE DUE TO BRIEF PERIODS OF HEAVIER SNOWFALL.

IMPACTS…ROADS AND HIGHWAYS MAY BECOME SNOW COVERED AND SLICK, WHICH COULD LEAD TO DIFFICULT TRAVEL 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.

IN ADDITION, A WINTER WEATHER ADVISORY IS IN EFFECT FROM 9AM-9PM SATURDAY, FOR THESE COUNTIES IN NW IOWA: DICKINSON-OBRIEN-CLAY-PLYMOUTH-CHEROKEE-BUENA VISTA-WOODBURY & IDA.

November 2011 Weather Stats for Atlantic, IA

Weather

December 1st, 2011 by Ric Hanson

Average High for the month: 51.2 degrees.   Average Low: 27.  Rainfall/melted snow: 2.15″. Actual snowfall .3″.

Warmest day of the month was on the 1st, when we hit 70 degrees. The lowest temp was 11 degrees, on 3 dates: Nov. 16th, 27th & 29th.  We also set a record high temp for Nov. 24th, of 68 degrees.

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Normal average High for the month is 47.9 degree. Normal average Low is 26.3. Average precip. is 1.43″.

Winter Storm Possible this weekend…stay tuned.

News, Weather

December 1st, 2011 by Ric Hanson

National Weather Service/Des Moines (4:54-a.m.CST)
Some flurries and sprinkles are expected across portions of northern into central Iowa today (Thursday)…however amounts will remain quite light. Quiet weather is then expected tonight into Friday before a storm pushes into the state. Precipitation is forecast to move into Iowa on Friday Night and continue through Saturday before ending early Sunday. Rain is expected in southeast Iowa with snow across the northwest. Some moderate to locally heavy amounts will be possible in northwest Iowa before the snow ends.
View the forecast map at:

NWS Forecast for Atlantic & the surrounding area Dec. 1st, 2011

Weather

December 1st, 2011 by Ric Hanson

Today: A slight chance of rain and snow after noon. Cloudy, with a high near 39. Windy, with a calm wind becoming north between 19 and 22 mph. Winds could gust as high as 30 mph. Chance of precipitation is 20%.

Tonight: Cloudy during the early evening, then gradual clearing, with a low around 14. Blustery, with a north wind between 14 and 17 mph becoming calm. Winds could gust as high as 25 mph.

Friday: Mostly sunny, with a high near 40. Calm wind becoming south southeast between 8 and 11 mph.

Friday Night: Rain likely, mainly after midnight. Cloudy, with a steady temperature around 35. South wind between 8 and 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.

Saturday: Rain before noon, then rain and snow. High near 36. Calm wind becoming north northwest between 7 and 10 mph. Chance of precipitation is 80%. New precipitation amounts between three quarters and one inch possible.

Saturday Night: A 50 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 20.

Sunday: Mostly sunny, with a high near 29.

Wednesday’s High in Atlantic was 50. Our 24-hour low ending at 7-a.m. today will be recorded as 15-degrees.  At 6-a.m, it was 26-degrees).

Potential Winter Storm this weekend….

News, Weather

November 30th, 2011 by Ric Hanson

See the forecast map from the National Weather Service http://www.crh.noaa.gov/images/fxc/dmx/wx/File.png

A significant storm system is expected to affect the state late Friday night into Saturday. Rain is expected in the southeast with snow in northwest Iowa. Some moderate to locally heavy snow accumulations will be possible in the northwest by Saturday Night.

 

Expert says flooding could be repeated in Western Iowa

News, Weather

November 30th, 2011 by Ric Hanson

One expert says record snowpack, followed by record rainfall and record flooding may become a repeating pattern for western Iowa in the future. Steven Hamburg, chief scientist for the Environmental Defense Fund, says as the climate changes, we can expect more extremes and more disasters like this summer’s flooding of the Missouri River basin. Hamburg says, “The key things are going to be changes in temperature and the fact that we’re going to see unpredictable patterns and extremes, heat waves at levels we haven’t historically seen, heavy rainfall that’s going to lead to more flooding and potentially heavier erosion.” Hamburg says climate changes are becoming more apparent in the environment in the Midwest and all across the country.

“That’s already occurring in most places,” Hamburg says. “The work that I do in the forests of New Hampshire, we’re seeing it very clearly and we’re seeing impacts on plants. Crops are going to need to change. We’ll need to plant different varieties. Some of the natural systems will be challenged by those extremes because they’re just physiologically not adapted, nor are we particularly well-adapted to lots of 100-degree days.” Hamburg says the biggest changes could come in the lack of predictability.

“The problem is the variablity is increasing and the predictability,” he says. “We can’t use the past to predict the future which makes it much harder to plan. How do you develop the infrastructure to protect yourselves? It’s going to get harder and harder and what you’re going to have is more disasters. That’s going to have an enormous impact on us economically and socially. Nobody wants to see their house and their life washed away in a flood.” The summer-long flooding of the Missouri River wiped out dozens of homes and businesses and caused some 50-millon dollars damage just to Iowa’s roads and bridges.

(Radio Iowa)

Skyscan Forecast for Wed., Nov. 30, 2011

Weather

November 30th, 2011 by Ric Hanson

Here’s the forecast for Atlantic, and the KJAN listening area….

Today: Partly Cloudy & windy. High near 50. SW winds @ 15-25 mph.

Tonight: Partly Cloudy. Low around 28. S @ 5-10.

Tomorrow: Partly Cloudy to Cloudy & cooler. High 39. S winds becoming N @ 10-15.

Friday: Partly Cloudy to Cloudy. High 41.        Sat.: Cloudy w/a rain-snow mix. High 34.

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Tuesday’s High in Atlantic was 45. Our low this morning 11. At 5-a.m., it was 13-degrees.

Forecast for Tue., Nov. 29, 2011

Weather

November 29th, 2011 by Ric Hanson

Here’s the forecast for Atlantic and the KJAN listening area…

Today: Sunny. High 42. N @ 10-20 w/gusts to near 30.

Tonight: Clear. Low around 15.

Tomorrow: Sunny. High 45. S @ 15.             Tom. Night: Partly Cloudy. Low around 28.

Thursday: Cloudy. High around 40. W @ 10-20.      Thu. Night: Mostly Cloudy. Low 15.

Friday: Sunny. High 32.         Saturday: Cloudy w/a chance of rain and/or snow. High around 38.

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Monday’s High in Atlantic was 45. Our low through 5-am today was 13 (at 5-a.m. it was 31).