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Dec
04

Wintry Mix Departs Later And Heavy Rain Heads In Friday

Posted By · December 4, 2014 at 1:53 pm

Wintry weather continues to move across Central Indiana with a mix of snow, sleet and rain.  Thankfully temperatures are at or above freezing, and the precipitation will be mainly light.

TEMPS TOWER

So we don’t expect any significant road issues but conditions will be damp and cold.  Highs hover between 32 and 35 this afternoon.

PLANNER AFTERNON RPM RPM 2 RPM 3

Under thick overcast, temperatures hold steady this evening and overnight.  With a saturated air mass overhead and a damp ground, areas of mist and fog will likely develop by sunrise Friday morning.

Expect morning lows in the mid-30s with areas of drizzle/fog around.  Rain becomes the story Friday and possibly some decent downpours by Friday night.  Expect a raw day tomorrow with highs in the lower 40s.  Rain will be steady heading into Saturday morning and amounts will range from one inch to nearly two inches between I-70 and the Ohio River.

LOWS TONIGHT PLANNER FRIDAY RPM 4 RPM 5 RPM 6 RPM 7 RAIN RPM

We’re still anticipating a soggy start Saturday morning with the rain system departing Central Indiana by afternoon.  However clouds linger and highs remain near 40 degrees.  Some late day sun is possible Saturday and leads into a dry finish to the weekend.

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Another shot of cold air hits early next week and could bring some snow showers Monday afternoon into Tuesday.  Be safe traveling this afternoon and we’ll update later today – Sean Ash

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Dec
03

Light Wintry Mix May Impact Thursday Morning Commute For Some

Posted By · December 3, 2014 at 2:08 pm

Don’t be alarmed by the bright ball of light in the sky… as we’re finally seeing some welcomed sunshine in Central Indiana.  Overall it’s a pleasant afternoon with highs nearing 40 degrees in what’s easily our best weather over the next week.

RPM PLANNER EVENING

Overnight:  The sky remains mostly clear this evening and will allow temperatures to drop quickly after sunset.  We’ll be in the 20s by midnight and eventually level off as clouds increase after 12am.  With lows dropping into the mid and upper 20s we need to watch the Thursday morning commute closely.

PLANNER TONIGHT LOWS TONIGHT RPM 2

Slick Morning Commute?  Areas of light precipitation are possible by 8am.  However, location, timing and coverage remain highly uncertain at this point.  But the early potential and temperatures do concern me, as light freezing drizzle, sleet and/or snow could be enough to ice-up untreated roads… especially bridges and overpasses.  We’re advising you to wake up early and get the latest before heading out.  Nicole Misencik begins Sunrise coverage at 4am and Mimi Pearce covers traffic starting at 5am.

RPM 3 RPM 4 HIGHS TOMORROW

Thursday Afternoon:  Thick overcast, occasional wintry mix and an east-southeasterly wind ensures temperatures won’t warm much or fast tomorrow.  Sunrise temperatures will be in the 25 to 30 range and afternoon highs only make it into the mid 30s.  Anyway you slice it Thursday will be chilly and raw.  Freezing rain is possible Thursday night into Friday morning before it becomes just a cold rain by midday Friday.

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All signs point toward a prolonged, and at times heavy, rain event Friday into Saturday morning.  Latest modeling targets the I-70 corridor to the Ohio River for heaviest rain amounts.

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Wet Start To The Weekend:  There is excellent model agreement on 1-2″ rainfall for a good portion of the viewing area… much of which falls between midday Friday and midday Saturday.  At this point we’re expecting a dry evening Saturday for the thousands of football fans converging on Indianapolis for the Big 10 Championship Game.  If you’re in town you’ll definitely need the umbrella early in the day and a heavy coat all day long with highs near 40 degrees.  The weather Sunday looks quiet too, though morning lows will drop into the 20s and could freeze any leftover moisture on the roads.

RPM RAIN EURO RAIN GFS RAIN JET STREAM NEXT TUESDAY

Long Range:  Another shot of cold air hits early next week with flurries and snow showers in play both Monday and Tuesday with an upper low spinning over the Ohio Valley.  This produces temperature anomalies of 5-10 degrees below normal.  There are some signs of a mid-month warm up to spread across the eastern US.  This is a trend we’ll need to monitor in the coming days for a potential spell of above normal temperatures in December.

JET STREAM NEXT SATURDAY 7DAY

Have a great day and check back this evening for updates – Sean Ash

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Dec
02

Clouds And Cold Rest Of Today

Posted By · December 2, 2014 at 1:38 pm

Advisories have been canceled in Central Indiana as the heavier drizzle departed.  Temperatures slowly climb above freezing this afternoon and roads will be wet to dry… but highs only make it the mid-30s due to significant overcast.

TEMPS PLANNER AFTERNOON RPM

Areas of drizzle remain possible this evening and overnight with lows near freezing Wednesday morning.  We can’t rule out some icy spots early Wednesday morning but it shouldn’t be as widespread of an issue.  Wednesday remains cloudy and seasonably cold as highs struggle to hit 40 degrees.

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We’ll need to keep an eye on Thursday and Thursday night into Friday morning for the potential of another batch of freezing rain.  Eventually this transitions into a cold, raw rain Friday afternoon into Saturday.  This will be a rather wet stretch with rain amounts of a half inch to over an inch in some locations.

RAIN EURO RAIN GFS 7DAY

Sunday easily looks like the better of the two days this weekend.  Be safe and slow when traveling today – Sean Ash

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Nov
30

Temperature Tumble Hits This Evening

Posted By · November 30, 2014 at 5:28 pm

November certainly saved its best for last.  The high temperature in Indianapolis today was just four degrees shy of a record, nearly 20 degrees above average and good for the 2nd warmest day this month.  That’s a rarity in a November that’s the coldest since 1976 with an average monthly temperature nearly 8 degrees below normal.

DATA 1 DATA 2 TEMPS REGIONAL 24HR CHANGE REGIONAL

We’re on borrowed time this evening with an Arctic front moving across Central Indiana.  A line of gusty showers and a temperature tumble will accompany the front from northwest to southeast.  It should move through the Indy metro area between 6pm and 8pm.

TEMPS RPM 7PM

Temperatures drastically drop behind the front and many areas will be in the 30s by midnight as the front sinks toward the Ohio River.  A blustery northerly wind puts a bite in the air and drops wind chills steadily overnight.

RPM PLANNER EVENING RPM 7AM

By the time you wake Monday morning temperatures will be in the 20s and lower 30s with wind chills in the mid-teens… making it “feel” some 50 degrees colder than this afternoon!  There may be enough lingering moisture within the colder air to support sleet and/or areas of flurries/snow showers.

WIND CHILL PLANNER MONDAY

But the cold will be the headliner tomorrow along with a blustery north wind of 15-30mph.  Monday afternoon highs hover in the lower to mid 30s.  Seasonably cold weather hangs around Tuesday and Wednesday before a gradual climb back into the 50s next Sunday.  A period of rain will occur Thursday afternoon into Friday night.

RPM TUESDAY 7AM RPM TUE 5PM 7DAY

Have a safe evening and don’t leave home without the jacket or umbrella… you’ll need both – Sean Ash

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Nov
29

Mild Night With Rain On The Way Sunday

Posted By · November 29, 2014 at 5:16 pm

After enduring the coldest November since 1976, we’re experiencing a rare day this month with above normal temperatures.  The average monthly temperature thus far this month in Indianapolis is 9 degrees colder than normal, and good for 3rd coldest November on record so far.

NOVEMBER TODAY

A brighter than anticipated midday teamed up with a stiff southwest wind to push highs into the mid-50s.  This is good for the warmest air since Monday.  A breezy, mild evening can be expected with a slim chance of sprinkles prior to midnight.

PLANNER EVENING RPM 8AM

Patchy drizzle and a few showers are overnight into Sunday morning.  The thickening cloud cover and steady wind keep temperatures in the 50s… significantly warmer than last night.  If you’re tailgating for the Colts game in the morning don’t’ be surprised to see some raindrops.  The threat of rain should likely keep the roof closed tomorrow.  It’s a good idea to take an umbrella into Lucas Oil Stadium as rain chances ramp up during the game and become likely by 5pm Sunday.

COLTS

Though cloudy and damp, high temperatures climb to near 60 degrees to wrap up the weekend… our warmest air of the week.  A cold front moves in Sunday evening and delivers much colder air Sunday night into Monday morning when temperatures drop to freezing.

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Rain may mix with sleet and snow Monday as front stalls along the Ohio River.  Highs Monday will be nearly 30 degrees colder and stay below normal much of next week.  The latest installment of Arctic air keeps much of next week below normal and keeps wintry precipitation in play Thursday as well.  Have a great weekend – Sean Ash

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Nov
29

Warmer Finish To One Of The Coldest Novembers On Record For Indy

Posted By · November 29, 2014 at 5:08 am

Welcome to the holiday weekend and to our warmest temperatures since Monday.  Though we may see some sunshine this morning, much of the day will be mainly cloudy.

PLANNER MORNING PLANNER AFTERNOON PLANNER EVENING

Today:  The clouds have more bark than bite as we only anticipate spotty showers this afternoon and evening.  Many backyards remain dry and despite limited sunshine high temperatures hit 50 degrees.  This is courtesy of a stiff breeze from the south-southwest that will blow across the region nearly the entire weekend.

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Better rain chances arrive Sunday.  Temperatures will continue to elevate overnight as a steady wind continues to crank from the southwest.  We’ll wake to lower 50s tomorrow with areas of drizzle and plenty of cloud cover.

RPM SUNDAY 1PM COLTS

If you’re tailgating for the Colts game don’t’ be surprised to see some raindrops.  The threat of rain likely keeps the roof closed tomorrow.  It’s a good idea to take an umbrella into Lucas Oil Stadium as rain chances ramp up during the game and become likely by 5pm Sunday.  Though cloudy and damp, high temperatures climb to near 60 degrees to wrap up the weekend… our warmest air of the week.  A cold front moves in Sunday evening and delivers much colder air Sunday night into Monday morning when temperatures drop to freezing.

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Widespread rain accompanies a cold front Sunday evening and delivers much colder air to start the week.  Temperatures drop into the 40s Sunday evening and bottom-out around freezing Monday morning.  Rain will mix with sleet and snow early Monday before dropping south of the Ohio River by midday.  High temperatures Monday will be about 30 degrees colder than Sunday and marks a transition back to below normal conditions for much of next week.

RPM MONDAY 5AM 7DAY

Have a great weekend – Sean Ash

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Nov
27

Light Snow This Evening And Weekend Warm Up In Sight

Posted By · November 27, 2014 at 4:36 pm

Happy Thanksgiving!  This was Central Indiana’s coldest Turkey Day in 25 years with highs in the lower 30s.

DATA TEMPS

This Evening:  Clouds hang tough this evening with areas of light snow and flurries moving across the region.  Be cautious if traveling with more slick spots possible as temperatures remain below freezing.  Remember that just a little snow can go a long way on untreated roads as we saw this morning.

WIND CHILL WIND CHILL 2

Tonight and Friday:  Lows tonight may drop into the teens if clouds clear later tonight.  Wind chills will certainly be that cold tonight into Friday morning.  Layer up if you’re braving the crowds and the weather to get some shopping done.  Another batch of flurries and light snow will be possible Friday morning but we’re expecting clouds to thin some tomorrow afternoon.

PLANNER EVENING RPM RPM 2 RPM 3 PLANNER FRIDAY

This Weekend:  Highs Friday creep into the mid-30s and then we gear up for the weekend warm up.  Highs Saturday near 50 degrees and climb to almost 60 Sunday afternoon despite a good deal of cloud cover much of the weekend.  You’ll notice a stiff breeze from the southwest and drizzle/showers are possible late Saturday, but more likely during the day Sunday.

RPM SATURDAY RPM SATURDAY 2 HIGHS SATURDAY

Old Oaken Bucket Game:  it’s still jacket weather for tailgating and you’ll definitely feel the 15-30mph southwest wind.  Temperatures near 50 during the 4th quarter and patchy drizzle or shower is possible before the game is over.  Good luck to your team!

FOOTBAL RPM SUNDAY HIGHS SUNDAY

Colts Tailgate Forecast:  we’ve certainly had brighter tailgates in the city but it won’t be cold this Sunday.  Morning temperatures will be in the 50s despite overcast and pockets of drizzle.  The roof will likely be closed due to the threat of showers that increases by the end of the game.  The breeze will again be considerable from the southwest at 15-30mph.

COLTS

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Colder air returns early next week as rain ends as a period of snow Monday.  Have a great holiday weekend – Sean Ash

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The advertised Wind Machine continues to spin northward into Canada.  A tight pressure gradient around this formidable fall low pressure system cranks out very impressive wind gusts.  There have been many cities experiencing gusts in excess of 50mph.  A Wind Advisory (gusts 45-50mph) runs until 7pm for much of Central Indiana with a High Wind Warning (gusts to near 60mph) for the northeast corner of the state.

SPCE WIND ADVISORY

TEMP TUMBLE

 

No doubt the wind is from a colder direction as temperatures are nearly 20 degrees colder than just 12 hours ago.  We finish the day in the 30s with wind chills in the lower to mid 20s.  Flurries and snow showers remain possible as the cold air wraps around and into the track of the low pressure system.

TEMPERATURES WIND CHILL NOW

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Though the wind won’t be as strong Tuesday it will remain breezy.  With low temperatures in the 20s, and wind remaining in the 10-15 range, wind chills fall into the teens for the bus stop tomorrow morning.  There may be some peeks of sunshine, but overall low clouds will be more prevalent in the sky.  Temperatures struggle to return to the mid-30s for highs Tuesday.

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Quiet travel weather can be expected tomorrow, but we continue to monitor the progression of a potential Alberta Clipper system.  The timeline for this will be late Wednesday afternoon into Wednesday night.  This clipper doesn’t have much moisture to work with, but temperature profiles will allow for a swath of light accumulation… dusting to an inch.  At this point the track is very uncertain and we only anticipate minor travel issues with this system.

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It’s a different story if you or someone you know are traveling to the east coast… or have family from there trying to get back to Indiana.  All the makings are in place for a coastal storm that will have a high impact on air and road travel by midday Wednesday.  Its track of heavy snow/rain and wind will include D.C., Baltimore, Philly, New York and Boston.  Major airport delays or cancellations seem likely given the modeled strength of the storm and volume of traffic the day before Thanksgiving.

TRAVEL SNOW POTENTIAL

We’re advising that you check closely with your air carrier if your plans include any of those hubs or a trip east for the holiday.  Long range trends continue to point toward another warm up for the weekend.  European model mid/upper flow shows a west-t0-east regime (zonal) which typically results in the transport of milder, Pacific air eastward.  A strengthening south-southwest wind Saturday and Sunday delivers highs likely in the 50s and possibly 60s for some.  Stay tuned for updates on the potential weekend warmth that looks to carry over into the first week of December.

JET STREAM EURO TEMPS EURO TEMPS SUNDAY

The trade off with the warmth will be a mainly cloudy sky and rising chance of showers Saturday evening into Sunday.  Unlike last weekend it doesn’t rain amounts will be as robust.  Have a great evening – Sean Ash

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