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Archive for December, 2012

Dec
25

The Blizzard of 2012

Posted By · December 25, 2012 at 7:02 pm

A Blizzard Warning goes into effect at 1am and continues until 7pm for much of Central Indiana. The last time a Blizzard Warning was issued for our area was Feb. 13-14, 2007! Expect heavy, wet snow and blowing and drifting. Winds could gust to 30 mph creating white-out conditions. The combination of sub-freezing temps and howling winds could drop wind chills to around 10 degrees. Travel will be treacherous, so if you have to hit the roads, you’ll want to do so tonight, or you might have to wait until the storm winds down Wednesday evening.

This is a potent storm packing a lot of moisture and computer models seem to be honing in on colder temps. With sub-freezing temps and the rain/snow line staying in far Southern Indiana, we’ll likely see “all snow” here in the Indy Metro. That, combined with liquid amounts in excess of 1″ could mean 10″+ of heavy, wet snow. Right now, it looks like the jackpot totals of up to 15″ might be in areas like Shelbyville, Columbus, and Greensburg. Snow totals will drop as you head to the north and west, with a half foot possible for Crawfordsville and Kokomo and up to a foot for Carmel and Fishers. This forecast isn’t set in stone, but we could be dealing with one of the biggest December snowstorms on record. The biggest was 13″ on December 20th, 1973.

Temperatures may start out in the low 30s first thing in the morning, but colder air wraps into the storm during the day Wednesday, which means temps falling into the upper 20s during the day. Winds sustained out of the northeast around 20-30 mph with gusts to 40 are possible.

The cold sticks around for your WTHR 7-day (the snow pack makes it harder to warm up since the sun’s energy goes into melting the snow rather than warming us up.) Another storm approaches late Friday night and Saturday. At this point it looks much weaker and could bring anywhere from a coating to a few inches of additional snow, subject to change.

Stay safe and grab your snow shovels!
-Chikage

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Dec
24

Snow Heading Our Way… Latest Expected Totals

Posted By · December 24, 2012 at 4:40 pm

A Winter Storm Watch is in effect for Central Indiana late Tuesday night until Wednesday night. 

This will more than likely be upgraded to a warning as we get closer to this winter weather event moving into the state.

The snow starts to fall late Tuesday night into Wednesday morning.  At this time, rain/sleet/ice is possible southeast of Indianapolis.  By late morning Wednesday, the entire state should be looking at heavy snow. 

As of right now, this is how much snow we are expecting by Wednesday night:

Keep in mind the track of this system is still developing, so we will be fine tuning this expected accumulation.  Some very isolated spots in the 5″ to 9″ range may pick up a few inches more.

Besides the snow, I am concerned with wind.  Wind gusts up to 40mph are likely throughout the day Wednesday.  This will lead to whiteout conditions.  Travel will be dangerous.

Another chance of snow comes our way Saturday.

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Dec
24

Snow prediction update

Posted By · December 24, 2012 at 12:07 pm

We’re under a winter storm watch starting Tuesday at 7:00 pm through Wednesday 7:00 pm. (See all counties under the watch.)

The latest guidance that came in at 11:30 am Monday shows a big change in snow totals Wednesday. Everything depends on the rain/snow line but the models suggest that the Indianapolis metro area could receive 3.5” to 7” of snow.

Everything starts as rain, then a rain/snow mix, then snow. The more mix we have, the less snow we’ll get.

The models will change a bit tomorrow, so stay tuned to Eyewitness News for the latest weather updates.

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Dec
23

Winter Storm Watch Issued

Posted By · December 23, 2012 at 7:53 pm

A Winter Storm Watch has been issued for Central Indiana from 7pm Tuesday night through 7pm Wednesday night.

At least five inches of snow is possible, and at this point up to nine inches of snow is possible.  The Watch has been issued early, so you can plan around the significant storm expected to come our way.  At times snow is expected to be heavy, and wind gusts around 3o to 40 mph, visibility will be very limited making travel dangerous at times.  That said, if the track of the storm changes, we could be updating snowfall totals to less or more.  Stay tuned for the exact timing as this system develops.

Until then, we could see a few slick spots Monday. 

Freezing drizzle and spotty showers are possible in the morning.

Christmas Day looks dry with temps in the upper 30s.

It’s late Christmas night that the winter weather moves in… we’ll keep you posted on any and all changes in the forecast.

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Dec
22

More chances for snow next week

Posted By · December 22, 2012 at 11:24 pm
We’ve had 2.2″ of snow so far this season, 3.5″ below average. Now, more chances for snow are on the way.
We’ll have a light rain/snow mix on Monday with no accumulation expected. Tuesday night into Wednesday a stronger storm system will spread heavy snow across the state.
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Dec
22

Dry Weekend & Christmas Preview

Posted By · December 22, 2012 at 5:29 am

Central Indiana will be warming up a bit this weekend, but as we head into next week, we’re already tracking a chance of accumulating snow.

The sunshine is back today with temps reaching the mid 30s.  Morning wind chills in the single digits will give way to warmer weather this afternoon.  The wind will be light out of the southwest up to 10mph. 

Tonight we’ll see a seasonal low in the mid 20s.

Sunday a few more cloud are expected as highs top out in the low 40s.

Monday, a rain snow mix is expected.  Christmas Day looks dry at this point with a high in the mid 30s.

Our focus now turns to Wednesday, when accumulating snow is possible for Central Indiana.  As of right now at least a few inches of snow looks likely. 

Of course a lot can change between now and Wednesday, so stay tuned and up to date with the forecast!

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Dec
21

One Snow Down, A Bigger Event Down The Road?

Posted By · December 21, 2012 at 12:50 pm

Nature certainly flipped the switch on central Indiana, with a fresh 1″ to 3″ snowfall and a temperature tumble over the past 24 hours.

Bloomington, Columbus, and Marshall (not pictured) get a trophy for highest snowfall totals.  You can view a more extensive list via the National Weather Service Indianapolis here.

The 1.9″ snow at Indianapolis International Airport is the city’s highest snowfall since the 1.6″ that fell on February 14th earlier this year.  That pushes the season total up to 2.1″, but well shy of the average of 5″ for this time of year.

A wicked wind continues to blow across the region… producing gusts over 35-40mph and wind chills in the single digits this afternoon.  It’s definitely a wind of change, with 24 hour temperature departures nearing 30° colder!

With a clearing sky and fresh snow on the ground, lows tonight will reach their coldest levels in 10 months.

These numbers may actually be too warm.  It’s safe to say mid-teens are a given Saturday morning, with subzero wind chills!

Saturday will be much brighter, but also there will be a bigger temperature hole to dig out of.  Highs slowly climb into the lower 30s.

After a dry weekend two systems enter the 7day forecast next week.  Christmas Eve day there is a chance of either a wintry mix or just cold rain.  However, confidence is low on this system’s impacts in central Indiana.  Wednesday remains a focal point of the long range outlook.  With highly valued computer models continuing to paint a snowy solution.

Obviously not set in stone this far out, but definitely noteworthy that both the European and GFS models are persistent in placing central Indiana in a favorable position for heavy snow.  Below IS NOT  a forecast, but merely model snowfall output from the latest GFS run.  This is why we’ll be watching Wednesday closely.  Both models are indicating the “potential” for 5″ in the viewing area.  Stay tuned.

Have a great weekend.

Sean Ash – Follow on Facebook and Twitter

 

 

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A Winter Weather Advisory and a High Wind Warning are in effect for central Indiana until Friday morning. A powerful low pressure area and a trailing cold front will bring 40-50 mph winds and snow. A 1-2″ accumulation is likely Thursday night into early Friday.

The sun will be farthest south in Earth’s sky at 6:12 a.m. EST, marking the start of winter in the Northern Hemisphere. For Hoosiers, winter will start cold and snowy. All of central Indiana will see accumulation overnight and temperatures will stay in the 20s Friday.

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