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Jan
22

Update On Clipper System That Arrives Sunday

Posted By · January 22, 2015 at 4:41 pm

Thursday marks the first time in seven days high temperatures didn’t hit 40 degrees.  For a change it actually looked and felt more like January due to a healthy blanket of overcast covering central Indiana.

TEMPS 24HR CHANGE

This cloud deck will partially break overnight to allow temperatures to eventually bottom-out in the middle 20s.  A few icy patches are possible Friday morning with any leftover moisture on roadways.

PLANNER TONIGHT PLANNER FRIDAY RPM FRIDAY 4PM

Friday and Saturday feature varying amounts of cloud cover and afternoon highs in the lower 40s.  This precedes a clipper system that will impact the region Sunday into Monday.  The trend continues on a northern track with this feature… putting most of the region on its warmer, wetter side Sunday afternoon.

RPM SATURDAY 7AM RPM SATURDAY 2PM RPM SUNDAY 7AM

We believe rain is more likely than snow with temperatures climbing into the lower and mid-40s Sunday afternoon.  Though rain will mix with or changeover to a period of snow Sunday night into early Monday morning… accumulation will be very light locally.  However several inches will fall between Fort Wayne and Detroit.  Be cautious if you’re traveling north or coming home from that way Sunday.

SUNDAY SET UP SNOWFALL EURO MODEL SNOWFALL GFS MODEL

This is not great news for snow lovers in Central Indiana.  Indianapolis is 8″ below normal snowfall since July 1st (the “snow season”) and a whopping 28″ less than last year’s mammoth winter season.  Amarillo’s recent snow storm dumped 12″ in the past 24 hours… which is greater than Louisville, Evansville and Indianapolis COMBINED.

SNOW SEASON MAP SNOW SEASON 7DAY

A below normal chill arrives in the wake of the coming clipper system early early next week… though it’s certainly nothing terribly cold.  Highs will be in the 25 to 30 range Monday and Tuesday with lows in the teens.  Upper level energy pivoting across the region embedded in a trough may trigger some light snow Tuesday.  But no big snow-makers are in the 7 day forecast at this point.  Have a great evening – Sean Ash

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Jan
22

Cooler Today, Weekend Changes

Posted By · January 22, 2015 at 3:09 am

The rain and snow has ended, for the most part in Indiana, but because temperatures have cooled off, we’re looking at some icy spots and slick roads in the area. Later today, that won’t be an issue as highs reach the upper 30s.  We have the forecast dry weather through the start of the weekend.  Lows will be in the middle 20s and forecast highs in the upper 30s and lower 40s on Friday and Saturday.

Our strange weather pattern changes on Sunday.  We are tracking a fast moving clipper for the end of the weekend.  There is a chance that some of the snow we get could stick to the ground Sunday into early Monday.  As we get closer to Sunday we’ll be able to see if the system comes over the central part of the state and if it does, how much snow we’ll see add up.

On This Date in Central Indiana Weather History……
1999 : Estimated 70 mph thunderstorm winds ripped the roofs off of an agricultural building on State Road 57 just west of Newberry in Greene County.

 

Daypart extended

 

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Jan
21

Light Wintry Mix Tonight and Colder Air on the Way

Posted By · January 21, 2015 at 3:12 pm
Our weather pattern is changing for the colder.  Temperatures are already starting to drop and there will be some light rain and snow possible through late this evening.  We are not forecasting any accumulations and roads will be mainly wet, with this light wintry mix.
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It will be a colder start to Thursday, with morning temperatures in the middle 20s.  Highs on Thursday will be where they should be for late January and in the middle and upper 30s.
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We have the forecast dry through the start of the weekend.  Lows will be in the middle 20s and forecast highs in the upper 30s and lower 40s on Friday and Saturday.

The weather pattern gets tricky on Sunday.  We are tracking a fast moving weather system for the end of the weekend.  There is a chance for accumulating snow Sunday into early Monday.  It is still a bit early for snowfall potential, due to the uncertainty of the track and available moisture.  We will keep you updated.

7DAY

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Jan
21

Foggy And Misty Start To The Morning Commute

Posted By · January 21, 2015 at 3:30 am

Good Wednesday morning Central Indiana.  We begin on a foggy note with areas of low visibility and mist for the morning commute.  Temperatures should stay at or slightly above freezing.  Though widespread icing isn’t likely, some slick patches are possible… especially in northern Indiana.  Might be a good idea to add a little extra time to your drive this morning.

TEMPS VISIBILITY PLANNER MORNING

Temperatures later today again climb above normal.  Expect highs in the lower to mid 40s from Indy and points southward, with mid to upper 30s farther north in thicker cloud cover.  A quick-moving disturbance will ride across the state and bring in a period of rain/snow showers.

RPM WED 8AM RPM WED 12PM RPM WED 3PM RPM WED 6PM

We don’t envision any significant accumulation and with temperatures well above freezing later today roads will be mostly wet.  Lows drop back into the 20s overnight so some refreezing is possible for the Thursday morning commute.

PLANNER AFTERNOON PLANNER TONIGHT PLANNER THURSDAY

Above normal temperatures continue into Friday and Saturday.  We’ll need to keep close tabs on a southern system Friday night-Saturday.  Though it should stay south of the Ohio River… recent model trends have been coming farther north.  We continue to target Sunday afternoon into predawn Monday for a better “chance” of snow potential with a clipper system.  Safe travels this morning – Sean Ash

7DAY

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Jan
20

Rain and Snow Chances

Posted By · January 20, 2015 at 3:05 pm
Tuesday marks the 5th day in a row, with temperatures above 40 degrees.  We should make it 6 in a row, with forecast highs in the lower 40s on Wednesday.

We are tracking a weak weather system scheduled to arrive on Wednesday.  Clouds will increase Tuesday night, as low temperatures drop into the upper 20s and lower 30s.  Skies will be mostly cloudy on Wednesday and there will be few rain/snow showers.

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Temperatures will be above freezing and in the upper 30s and lower 40s, so roads will remain wet.

HIGHS

This weather system exits the state Wednesday night.  Slightly cooler air will follow, as highs are forecast in the middle 30s on Thursday.

The 40s are back for Friday and the start of the weekend on Saturday.  The end of the weekend still looks tricky, with a fast moving weather system bringing snow chances to central Indiana later Sunday into Monday.  We will watch this one closely.  It is a bit too early forecast the exact track and snowfall potential, so stay tuned for updates.

7DAY

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Jan
19

Chance Of Light Freezing Rain For Some Tonight

Posted By · January 19, 2015 at 4:37 pm

What another spectacular winter afternoon in Central Indiana with temperatures well into the 40s.  This marks the fourth straight day at or above 40 degrees and the string should continue Tuesday.

TEMPS PLANNER EVENING

We continue to monitor a weak disturbance over Iowa for precipitation potential here overnight.  At this point it appears the best “chance” of light rain and/or freezing rain will be across mainly the northern one-third of the state… mainly between the hours of 12am and 5am.

RADAR RPM 7PM MONDAY RPM 12AM TUESDAY

Certainly not everyone will see precipitation tonight, but as temperatures slowly cool below freezing some slick spots are possible in areas that do get a little wet.

RPM 3AM TUESDAY RPM 7AM TUESDAY

Overall cloud cover tonight helps keep temperatures in the upper 20s as opposed to the lower 20s this morning.  This should also help prevent fog from developing… something that made roadway slicks Monday morning.  But we can’t totally rule out icy patches early Tuesday morning.

LOWS TONIGHT PLANNER TUESDAY MORNING RPM 4PM TUESDAY

Temperatures should quickly climb into the 40s around midday, with highs tomorrow in the 45 to low 50 degree range from Indy-southward.  Definitely not a bad day to get outside again before the expected pattern change arrives next week.

HIGHS TOMORROW PLANNER TUESDAY AFTERNOON RPM WEDNESDAY 7AM

Another quick-hitting disturbance arrives Wednesday with a chance of more mixed showers.  With highs in the mid/upper 30s during the precipitation we don’t envision major problems on the roads.

RPM 7PM WEDNESDAY SNOW STATS

Snow lovers might not want to read this section.  It’s been a very wimpy winter thus far in that category.  Seasonal snowfall (since July 1st) in Indianapolis is about 8″ below normal and a whopping 27″ less than this time last year.  Our next “best” chance of accumulation is late Sunday into Monday morning.  Though it’s much too early to to get excited or even discuss amounts for that matter.  This opportunity is a byproduct of the advertised switch back to below normal temperatures.

SNOWFALL EURO SNOWFALL GFS JET STREAM NEXT MONDAY

After a seasonably cold day Thursday temperatures return to near 40 degrees Friday and Saturday.  This caps off the January thaw.  Long range indicators continue to point toward a pattern shift to hit on the 25th (Sunday) and deliver colder than normal for the last of the month.  Stay tuned for updates as highs in the 20s seem likely this time next week – Sean Ash

7DAY

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Jan
19

A Beautiful Winter Day on Tap

Posted By · January 19, 2015 at 12:52 pm

The January thaw continues today with mostly sunny skies.   Temperatures will climb 10 degrees above average with a high in the mid 40s.   Winds will be light out of the southeast.

TODAY PLANNER

Clouds will increase this evening with temperatures only falling to 30 degrees with a chance of light rain, freezing or snow.

TUESDAY 12AM TONIGHT

It will be mostly cloudy Tuesday with winds picking up out of the southwest.  Afternoon highs will climb into the low 40s.

TUESDAY PLANNER

Another disturbance will bring a chance of a rain and snow mix on Wednesday with a few flurries possible on Thursday.

WED NIGHT

The next potential storm system is on track right now to arrive on Sunday evening.  This looks like a stronger system that could bring some accumulating snow.  Your Skytrak13 Weather Team will keep you updated on this developing system.

SUNDAY MORNING SUNDAY NIGHT

7DAY

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Jan
18

January Thaw Continues

Posted By · January 18, 2015 at 5:21 pm

For the third straight day temperatures climbed into the 40s for the southern half of Indiana… including the Indy metro area.  Colder ground and clouds keep the northern viewing area in the mid-30s, and this will be a theme for the next few days.

HIGHS TODAY PLANNER EVENING

Colts Forecast:  While the AFC Championship Game may begin dry… heavy rain likely impacts at the very least the second half.  It’s conceivable half-inch rain amounts occur during the game.  Though it should be noted this will be the “warmest” AFC Championship game played in Foxboro.  GO COLTS!

COLTS RPM 630 COLTS RPM 9PM COLTS RPM 8PM PLANNER COLTS

Cloud cover varies overnight with lows slowly dropping into the upper 20s by sunrise.  The stiff breeze diminishes after sunset and helps allow areas of fog to develop.  Highs Monday and Tuesday again climb into the 40s with decreasing cloud cover during both afternoons.

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Notice that due to the colder ground (from heavier snow pack last week), and likely greater cloud coverage, temperatures north of I-74 will be over 10 degrees cooler for afternoon highs.  Southern Indiana could very well be in the lower 50s both Monday and Tuesday.

PLANNER MONDAY RPM 6AM TUESDAY RPM 4PM TUESDAY PLANNER TUESDAY

A weak upper disturbance brings a chance of light snow showers and flurries Wednesday… but there we don’t’ foresee any big systems or cold impacted the area between now and Sunday morning.

RPM WED 6AM RPM 1PM WED 7DAY

We’ll call it the January thaw for now.  But we still believe a colder pattern kicks in after next weekend and the pattern becomes winterish Sunday night into early next week.  Stay tuned for updates – Sean Ash

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