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Sep
29

Coldest Air In Nearly Five Months On Tap This Weekend

Posted By · September 29, 2014 at 3:43 pm
Under a blanket of sunshine this afternoon central Indiana had its fourth day in a row with highs in the 80s and a good 10 degrees warmer than normal.  If you’re stuck at work don’t worry… the evening will be equally as nice and clear.
NOW PLANNER EVENING
We’re advising to soak up the sun and summer warmth if you’re not a fan of fall weather.  Big changes lurk later this week and temperatures will drop from 10 degrees above normal to 10 degrees (or more) below normal.
HEADLINES RPM RPM 2
Tonight:  A cold front will dive south out of the Great Lakes and bring an increase in clouds late tonight, and possibly areas of drizzle and showers early Tuesday morning.  Lows tonight return to the middle 50s and expect a comfortable start tomorrow.
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Tomorrow:  Tuesday won’t be as warm due to the passage of the front and with intervals of clouds.  North of Indianapolis some cities may not hit 70 degrees tomorrow, while areas along and south of the I-70/74 corridors can expect middle 70s compared to lower 80s today.
PLANNER TUESDAY TEMP TREND RPM 6 RPM 7
We return to mostly sunny and near 80 degrees Wednesday before a stronger cold front approaches.  Rain chances ramp up Thursday, but despite the wet afternoon and evening highs climb well into the 70s.
HIGHS WEDNESDAY HIGHS THURSDAY RPM 8
The much advertised temperature tumble occurs behind the front and as the rain diminishes heading into Friday afternoon… when highs only make the middle 60s.  Temperatures this weekend will be our coldest since mid-May and be 20-30 degrees colder than this past weekend.
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Highs Saturday likely will not make it out of the 50s.  Lows Sunday drop into the 30s for the first time this season and a good deal of low cloudiness accompanies this intrusion of early season cold.  There is much model uncertainty regarding shower chances this weekend.  For now our forecast is dry, but note this is highly subject to change the next few days.  Enjoy the summer warmth!
7DAY
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Sep
28

Summer Warmth To Chilly Air This Week

Posted By · September 28, 2014 at 5:14 pm

Our string of sunshine and unseasonably warm weather continues in the week ahead.  Sunday was the third day in a row of 80 degree highs, and we may tack on another two or three days in the 80s between now and Thursday.

NOW PLANNER EVENING LOWS TONIGHT

Tonight and Monday:  Another clear, pleasant evening is on tap as temperatures gradually cool into the lower and middle 50s by Monday morning.  Abundant sun quickly pushes temperatures into the 70s by midday tomorrow and highs near 80 degrees again.

SCHOOL WEATHER HIGHS SUNDAY MONDAY PLANNER RPM 2

A weak cold front moves in Tuesday, but likely will not have enough moisture to trigger showers.  However, it may have just enough northerly flow behind it to push lows back into the 40s and lower 50s Wednesday morning.

RPM

Clouds may increase late Wednesday but not before highs make another run at 80 degrees.  Thursday will be a day of transition with the arrival of a cold front.  Highs will remain mild in the 70s, but showers and storms increase.

THURSDAY NEXT WEEKEND

We’ll be back to reality behind this front with temperatures 30 degrees colder next weekend than this past Saturday and Sunday… with highs near 60 and patchy frost possible Sunday morning.  Have a great evening – Sean Ash

7DAY

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Sep
24

Sunny And Nearing 80 Heading Into Weekend

Posted By · September 24, 2014 at 11:47 am
While it’s wet along the eastern seaboard and in the central U.S., we continue to reap the rewards of a blocking high pressure system that’s parked over Indiana.
SURFACE
This is the main player in providing mainly clear conditions, seasonably chilly nights, and afternoons that will continue to warm into the upper 70s and lower 80s this weekend.
NOW 24HR CHANCE
This Afternoon:  Temperatures today are running about 5 degrees warmer than the 72 degree high pace of Tuesday.  Under a blanket of sunshine we’re afternoon highs in the 75 to 77 range which is near the average high of 74.  Humidity remains quite comfortable as an easterly wind keeps the Gulf of Mexico out of play.
PLANNER AFTERNOON HIGHS TODAY PLANNER EVENING
LOWS TONIGHT
Tonight and Thursday:  Though lows tonight might not be as cold as prior nights, it will still be jacket-worthy chilly in the morning for kids at the bus stop in the 46 to 52 range.  Another quick warm up on tap Thursday and temperatures make a serious run at 80 degrees during the afternoon.
PLANNER THURSDAY HIGHS THURSDAY HIGHS FRIDAY OPERATION FOOTBALL
Friday:  Unseasonably warm weather highlights the forecast for Operation Football Friday and this weekend with highs possibly in the 80s.  The warm air lingers into the beginning of October before an approaching cold front leads to wet, and possibly a stormy stretch in the October 1st-4th time frame.  The same upper level high pressure that’s providing our string of sunshine will slide east later next week to help pump Gulf Moisture northward.
NEXT WEEK RAIN POTENTIAL GFS
Long range models are picking up on the wet set up and both the American (GFS) and European models are spitting out over an inch of liquid the next 10 days.
RAIN POTENTIAL 7DAY
We’ll monitor closely for updates.  Prior to that there’s the possibility of Gulf Moisture and an upper level system bringing rain to the area Monday night into Tuesday.  Between now and then just enjoy some of the best weather across the country.  Have a great afternoon – Sean Ash
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Sep
23

Pleasant Start To Autumn In Indiana

Posted By · September 23, 2014 at 11:38 am

What a way to bring in autumn!  After the chilly start this morning temperatures are responding nicely to 100% sunshine across central Indiana.

NOW 24HR CHANCE

This Afternoon:  We’re already in the 60s at this hour and highs will be climb into the lower and mid 70s… closer to the average high of 75.  Note that the record for this date was set just 4 years ago at 94!  No 90s in the forecast but there is a warming trend heading into the weekend.

HIGHS TODAY PLANNER AFTERNOON

Evening and Overnight:  Expect another pleasant evening with clear, calm conditions and temperatures slowly dropping into the 50s by 10pm.  Seasonably chilly lows again tonight in the 45 to near 50 degree range.

PLANNER EVENING LOWS TONIGHT

Wednesday:  In typical fall fashion we’ll see a rapid rise after the chilly start tomorrow morning.  Temperatures will be near 70 by midday and upper 70s in the afternoon.  Air mass modification leads to warmer highs in the days to come and we’ll near 80 degrees as early as Friday.

HIGHS WEDNESDAY PLANNER WEDNESDAY

Thanks to a blanket of high pressure over the Ohio Valley we don’t see rainfall in the forecast until early-middle of next week.  Between now and then we’ll bask in sun and enjoy cool nights and warming afternoons.  This is truly a fantastic way to start the autumn season.

JET STREAM JET STREAM 2 HIGHS THURSDAY HIGHS FRIDAY 7DAY

 Have a great day – Sean Ash

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Sep
22

Autumn Equinox This Evening But Feels Like Fall Already

Posted By · September 22, 2014 at 1:30 pm
It’s certainly feeling the part of autumn today.  Lows across central Indiana this morning dropped well into the mid and lower 40s.
NOW 24 HR CHANGE PLANNER AFTERNOON
This Afternoon:  Despite a good dose of sunshine, temperatures are struggling as expected into the upper 50s and low 60s at this hour which is 10 to 15 degrees cooler than 24 hours ago.  Highs will be in the mid to upper 60s which is 10 degrees cooler than average with mostly to at times partly sunny conditions.
PLANNER EVENING
Tonight:  Get ready for a quick cool down this evening and we’ll be in the 50s by 9pm.  The astronomical start of autumn arrives at 10:29pm and our first night of fall will be rather chilly as lows drop back into the lower and mid 40s.  The string of sunshine continues for the rest of the week with a gradual warming trend.
LOWS TONIGHT PLANNER TUESDAY HIGH TUESDAY
Tuesday:  Highs tomorrow return to the lower 70s and eventually we’ll be flirting with 80 degrees by the weekend.  A pancake of high pressure over the Ohio Valley will provide rain-free conditions for nearly the next 10 days.
RPM 7DAY
Have a great afternoon – Sean Ash
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Sep
21

Fantastic First Week Of Autumn

Posted By · September 21, 2014 at 5:16 pm

35 to 45mph gusts have taken some of the luster out of a pleasant Sunday in central Indiana.  Gradient and thermal wind gusts remain formidable at this hour but will weaken as the sun sets and an area of low pressure in the Great Lakes moves east.  Afternoon temperatures are running 5 to 15 degrees cooler than 24 hours ago due to the passage of a cold front overnight.

WIND GUSTS WIND GUSTS 2 VIS SATE

Afternoon temperatures are running 5 to 15 degrees cooler than 24 hours ago due to the passage of a cold front overnight.  A secondary cold front is crossing south of I-70 now and knocks temperatures into the upper 50s and low 60s this evening.  There’s just enough upper level lift to support a very narrow band of quick-moving sprinkles and showers north of Indy early this evening.  They are diving east-southeast rapidly but most should weaken before arriving in Indy and points south.

SATRAD PLANNER EVENING

Tonight:  The northwesterly breeze weakens overnight, but remains in the 5 to 15mph range.  This wind should be enough to prevent much dense fog from developing.  Kids will need the jackets tomorrow morning with lows in the mid to lower 40s.  But expect a good dose of sunshine into midday with a slow climb to 60 by 12pm.

LOWS PLANNER MONDAY

Monday:  Cool Canadian high pressure delivers decent sunshine Monday, but scattered clouds and a decent breeze build during the afternoon.  High temperatures will be near 10 degrees below average in the mid to upper 60s.  The Autumnal Equinox arrives Monday evening at 10:29pm EDT and it will feel like it for a few days.

HIGHS RPM MONDAY RPM TUESDAY RPM WEDNESDAY

The rest of the week is highlighted by a string of sunshine courtesy of a blocking high pressure system aloft.  This will pancake across the Ohio Valley and deliver comfortable nights, mild afternoons and a mostly clear sky.  As noted in earlier forecasts, rainfall the next ten days will be rather slim due to this pattern developing.  We’re expecting above normal temperatures to finish the week and the month of September.  This warm trend may very well carry over into the beginning of October.  Have a great evening – Sean Ash

RPM WEDNESDAY 2 RAIN POTENTIAL 7DAY

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Sep
19

Sunny Start And Finish To Weekend With Storm Chance Saturday Night

Posted By · September 19, 2014 at 4:38 pm

Sunny and afternoon temperatures in the 70s can be defined as weather perfection for some.  That’s the case in central Indiana today with a pleasant southeast breeze to boot.

NOW

This paves the way for the best weather during Operation Football of the season.  Kickoff temperatures will be near 70 and expect a slow cool down to near 60 during the fourth quarter.

OPFB

Tonight:  Another clear and comfortable night ahead as low temperatures eventually drop into the middle 50s.

RPM RPM 2

Saturday:  We’re still on target for the warmest day of the week tomorrow.  A southwest wind and sunshine push highs into the 80s during the afternoon.  Daylight hours Saturday will be dry but shower and storm chances ramp up toward or just after sunset.

PLANNER SATURDAY SPC 2

Though there is a Slight Risk of severe weather for the far northwestern corner of the state, we believe any storms locally will weaken after sunset.  Lightning and local downpours will be the main storm threats Saturday night.  At the time of this posting we’re bracketing the hours of 7pm to 7am as the rain/storm window in central Indiana.

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Sunday:  Showers are likely by midnight tomorrow night and during the predawn hours of Sunday.  Latest guidance continues to suggest that much of Sunday will be dry as a northwest wind develops.

PLANNER SUNDAY

After some early morning showers and clouds, expect a decrease in cloud cover during the afternoon with cooler highs in low to  mid 70s.

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That will be our one and only chance of rain over the next 10 days.  After a brief cool down Monday and Tuesday, temperatures warm to more seasonal levels during the second half of next week.  Have a great evening – Sean Ash

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Sep
18

Sunny Streak To Finish This Week

Posted By · September 18, 2014 at 4:09 pm

Our beautiful fall-like weather continues and today we’re dealing with less cloud cover than the past few days.  The brighter sky leads to warmer temperatures and this is the first official 70 degree day in Indianapolis since last Thursday.  Highs will range from 70 to 75 and mark the advertised warm up heading into the weekend.

NOW PLANNER EVENING

Tonight:  If you have outdoor evening plans the weather remains spectacular.  Expect a slow cool down into the 60s by 8pm.  Keep the windows open tonight with comfortable lows in the upper 40s and lower 50s.  Though patchy fog is possible in river valleys and low-lying areas, we don’t anticipate major problems Friday morning.

LOWS PLANNER FRIDAY

Friday:  I’m not a doctor but with sunshine and mid to upper 70s expected Friday, you have my permission to make it a three day weekend!  We’ve got all the ingredients in place for the best night of Operation Football weather this season Friday evening.  Expect kickoff temperatures in the lower 70s with a bright sky.  You might want to pack a light jacket as fourth quarter temperatures drop into the 40s.

HIGHS RPM OPERATION FOOTBALL

This Weekend:  We’re still targeting Saturday as our warmest day this week and quite possibly for some time.  Under a bright sky and with a southwest wind highs will easily top 80 degrees.  Daylight hours should be rain-free, though we may need to add a chance for the northern viewing area if a front gets closer than anticipated.  Saturday night and early Sunday there is a chance of showers and storms along the cold front.  It should be noted that latest model guidance shows lower rain potential and a quicker front departure.

PLANNER SATURDAY

RPM 2 RPM 3 RPM 4 RPM 5

PLANNER SUNDAY

Providing this verifies, Sunday afternoon may be mostly dry.  This looks to be our only chance of rain for nearly 10 days.  Canadian high pressure promptly spreads in across the Ohio Valley after this front and blankets the region for much of next week… resulting in several days of sunshine and comfortable conditions.

RAIN POTENTIAL

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Though cooler, model guidance isn’t as bullish on much below normal air as prior runs.  So I’ve relaxed the chill and pushed highs to more seasonal levels in the 70s next week.  Regardless it should be fantastic fall weather to bring in autumn!

7DAY

Have a great evening – Sean Ash

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