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Oct
23

Clouds Playing Role Of Spoiler For Partial Solar Eclipse Viewing

Posted By · October 23, 2014 at 4:29 pm

As anticipated clouds continue to increase and thicken over central Indiana and unfortunately will cause limited viewing of the partial solar eclipse this evening.  The towercam image below is not what the doctor ordered for the eclipse that begins at 5:42pm.

SKYCAM TEMPS NOW SATRAD

It’s possible some may catch a glimpse in any cloud breaks that may be around or just prior to the sun setting at 6:55pm.  Good luck if you’re outside this evening and please send any pictures to pix@wthr.com.

ECLIPSE PLANNER EVENING

Clouds serve as a blanket overnight and keeps temperatures much warmer tonight.  Many areas that dropped to freezing Thursday morning will likely be 10 to 15 degrees warmer Friday morning.  So expect low to mid 40s out the door tomorrow with the possibility of spotty sprinkles or light showers.

LOWS TONIGHT PLANNER FRIDAY RPM RPM 2 RPM 3

Though not as bright early Friday, temperatures will be milder in the lower to mid 60s… and we’re just scratching the surface of the advertised weekend warm up .  It’s looking like fairly pleasant playing conditions for Operation Football Friday evening with kick off temperatures near 60 degrees.

HIGHS FRIDAY OPERATION FOOTBALL HIGHS SATURDAY

 A period of clouds and/or sprinkles may accompany the surge of warmth Saturday morning.

RPM 4 RPM 5

But under hazy sun and a steady southwest wind highs climb into the 70s Saturday afternoon!  Sunday will be slightly cooler, but milder than normal, with highs in the 65 to near 70 degree range.

HIGHS SUNDAY

Monday still looks to be the warmest of the bunch with highs well into the mid-70s on a gusty southwest wind.  Our next best shower and storm chance arrives during the afternoon Tuesday… but not before many hit the 70s again.

7DAY

It’s a long way out but computer models are aligning on a sharp trough (southward dip in the jet stream) to impact the eastern U.S. beginning Halloween and into next weekend.  The attached image below is GFS (top) & European (bottom) model temperatures the morning of November 1st, which if this verifies would be our first round of 20s.  This could impact the Indy Monumental Marathon.  Stay tuned and have a great evening – Sean Ash

NEXT WEEKEND

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Oct
22

Chilly Start But Brighter Wednesday On Tap

Posted By · October 22, 2014 at 4:05 am

Good Wednesday morning Central Indiana!  After some early morning clouds, on the eastern half of the state, we’re expecting a brighter day for much of the area.

WEATHERBUG

Chilly temperatures in the 30s to start but the sun helps highs rebound into the mid and upper 50s.

PLANNER AFTERNOON

PLANNER AFTERNOON HIGHS

Under a clear sky and calming wind temperatures will rapidly drop overnight.  Areas of frost are very possible Thursday morning withe lows in the mid 30s.  More sunshine on the way tomorrow and pleasant highs nearing 60 degrees.

LOWS RPM 2 RPM 3

A weak upper level system moves across the area Thursday evening that brings clouds and perhaps a few sprinkles or light showers Thursday night.  Some lingering clouds mix with sunshine Friday but we’re still targeting a warmer than normal set up heading into the weekend.

RPM 4 RPM 5 7day

Highs Saturday and Sunday will flirt with 70 degrees and temperatures early next week likely go well above 70.  Our next best chance of showers and some thunder will be along a cold front next Tuesday.  Have a great day – Sean Ash

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Oct
19

Chilly Start To What Becomes A Brighter Day

Posted By · October 19, 2014 at 5:22 am

Lingering low clouds and a north wind have kept the central Indiana from a widespread frost overnight.  Though some patchy frost remains possible in areas that do see clearing and where temperatures drop into the middle 30s.

SATRAD RPM COLTS

Either way it will be a chilly start for Colts tailgating, the Covered Bridge Festival, leaf viewing in Brown County or whatever else you have planned before noon.  Clouds this morning will slowly, but surely lessen and today eventually becomes brighter and certainly drier than Saturday.  As a result afternoon highs return to the upper 50s.

RPM 2 PLANNER AFTERNOON PLANNER EVENING RPM 3

Clouds increase again overnight in response to an approaching cold front and showers are possible by the time you wake Monday morning.  We’ll have a mix of sun and showers Monday afternoon with highs in the 60s

RPM 4 PLANNER MONDAY

Much of our weather this week will greatly be influenced by a developing storm in the northeastern U.S.  This will keep the wind predominantly from the north which results in cooler than normal temperatures until next weekend.

A string of mostly sunny days begins Wednesday and carries into next weekend when highs climb back into the middle 60s.  This dry spell is perfect timing for Harvest 2014!  Have a great Sunday – Sean Ash

7DAY

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Oct
16

Friday Sunshine Followed By Frost Potential This Weekend

Posted By · October 16, 2014 at 5:00 pm

Hang in there central Indiana.  The pesky overcast will slowly, but surely, depart overnight and set up our brightest day of the week Friday.  Between now and then expect plenty of gray and slightly warmer temperatures in the lower 60s despite the lack of sunshine.

SATRAD

You don’t have to go far to the west to hit 70 degrees today, and that warmth will ride a strengthening southwest wind into the state.  The upper level system that’s delivering our dreary stretch continues its eastward movement and will take the cloud deck with it.

OHV TEMPS REG SATRAD REG TEMPS RPM

The breeze picks up tonight into Friday morning… helping keep overnight lows in the lower 50s despite the lack of an insulating low cloud deck.  Expect a bright morning commute and rapid rise into the 60s by noon.  Highs tomorrow will near 70 and some locations may actually climb into the 70s.

RPM 2 PLANNER FRIDAY RPM 3 RPM 5 HIGHS FRIDAY

Enjoy the one day warm up as a new surge of cool air arrives Friday night into Saturday morning.  This air mass riding over Lake Michigan will drive down low cloudiness during the day Saturday, and possibly some lake effect sprinkles/rain showers.

RPM 6 RPM 7 HIGHS SATURDAY

Clouds clear Saturday night and the wind goes calm as high pressure settles over the Ohio Valley.  The end result is lows in the lower to mid 30s Sunday morning and patchy frost at the very least.  If this trend continues you can expect Frost Advisories to be issued for Sunday morning.

LOWS SUNDAY 7day

Colts tailgating looks chilly early in the morning but we’ll bask in a good dose of sun Sunday.  Kickoff temperatures will be in the mid-50s.  Showers return Monday along a new cold front that keeps us cool much of next week.  Have a great evening – Sean Ash

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Oct
14

Cool And Damp At Times Next 24 Hours

Posted By · October 14, 2014 at 3:43 pm

Heavy rain, and thankfully not severe weather, is the mark left on central Indiana by an October storm that produced over 300 preliminary storm reports the past 24 hours in the eastern U.S.  We mentioned in this blog several days leading up to the event that the overnight timing and limited instability might lessen the blow for us.  Indeed that was the case.  If this storm arrived earlier during peak heating we likely would’ve had more reports locally.

STORM REPORTS

Rain amounts since midnight have been in the half inch to inch range, with two day totals nearing 2″ in some locations.

RAIN AMOUNTS RADAR

Steady rain is now well east of Indiana, but spotty showers continue to pivot around an upper level storm over central Illinois.  This feature delivers a rather cloudy, damp Wednesday with periods of drizzle and showers.

PLANNER EVENING RPM

Temperatures will not budge tomorrow due to a healthy layer of overcast.  Morning lows slowly drop into the lower 50s and highs only make it back into mid to upper 50s.  Rumbles of thunder can’t be ruled out Wednesday either and small hail is possible in any stronger cells that emerge.

PLANNER WEDNESDAY RPM 2 RPM 3 RPM 4

We’ll be on the back side of the system Thursday and showers become less numerous.  Friday still appears to be the pick of the week with highs jumping into the upper 60s with a breezy south-southwest wind and sunshine.

It’s a one day warm up with a return to cooler air for the weekend.  Highs this weekend drop back into the 50s and lows fall into the 30s Sunday morning.  The pattern next week remains cooler than normal and the coldest air of the season is possible the second half of the week.

7DAY

Have a great evening – Sean Ash

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Oct
13

Heavy Storms Impacting Central Indiana Next Several Hours

Posted By · October 13, 2014 at 8:54 pm

The leading of a line of heavy rain and locally severe wind continues to push northeast into central Indiana.  Heavy rain is likely area wide tonight and locally severe wind or brief tornadoes are possible.

RADAR

Much of the area remains under a Tornado Watch until 1am, including Indianapolis, Muncie, Bloomington and Columbus.  If any spin-ups occur it will be on the leading of the line.  This line will arrive in the Indianapolis metro area around 10-10:30pm.

WATCH RPM 1

Flooding and Flash Flooding are bigger concerns overnight due to torrential rains that may exceed 1″ in some locations.  Use caution while driving tonight and early Tuesday morning.

RPM 2 RPM 3 THREATS

 

Remain weather aware until we can sound the all clear – Sean Ash

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Oct
13

Tornado Watch Issued For Much Of Central Indiana

Posted By · October 13, 2014 at 4:58 pm

A line of strong to locally severe storms continue to move toward Indiana.  Within the past hour the Storm Prediction Center issued a Tornado Watch for the southern half of Indiana, including the Indianapolis metro area.  Tornado and damaging wind probabilities have been ramped up for the western half of the state due to very high directional and speed wind shear in place.

TORNADO WATCH

TORNADO PROBS WIND PROBS THREATS

This puts the possibility of quick spin-ups embedded within the main line in play later this evening.  A few Tornado Warnings are possible before midnight.  We’re still expecting the leading of the line to cross over the Illinois/Indiana border between 7-8pm and race into the metro area before 11pm.  We continue to bracket the hours of 8pm to 2am for the window of severe weather opportunity.  Remain weather aware until we sound the all clear.

HEADLINES RPM HRRR 2 RPM 1 HRRR 3 RPM 2 SPC RPM 3

With the potent upper level storm spinning over Illinois Tuesday, central Indiana will be in the line for lines of storms… some of which could produces locally severe wind and quick spin-ups.  The officially Slight Risk is in southeastern Indiana, but may be pushed farther west tomorrow to include more of the viewing area.

RPM 4 RPM 5 RPM 6 SPC 2

Wednesday and Thursday feature scattered shower and storm chances before cooler air arrives this weekend.  Stay tuned for updates this evening – Sean Ash

7DAY

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Oct
13

Periods Of Heavy Storms Between Now And Tuesday Evening

Posted By · October 13, 2014 at 10:43 am

It’s been a damp start to the week and some areas have already received a half-inch to an inch of rain.  Though it won’t rain all day long, we do anticipate several more bouts of heavy storms between now and Tuesday afternoon.

PLANNER MONDAY THREATS

We continue to bracket the hours of 8pm to 2am for damaging wind potential in central Indiana… though it remains uncertain how far east the squall line will maintain its severe characteristics.  There’s a significantly higher threat of wind damage within the Moderate Risk severe area that stretches from the bootheel of Missouri to Louisiana.  That’s where wind shear and instability will be maximized.

RADAR SPC SPC 2

Locally we believe the area of greatest wind potential will be south-southwest of Indianapolis, but very subject to change.  This is a region that likely catches the coma head of the bowing line before it begins to weaken.  The remainder of the overnight will be dealing with residual heavy rain from the line.  Areas of flooding and flash flooding are possible.

RPM RPM 2 RPM 3 RPM 4

Additional heavy storms are likely by the Tuesday morning commute and severe storms, including quick spin-ups, remain in play tomorrow as well.  The Storm Prediction Center may upgrade the eastern half of Indiana to a Slight Risk Tuesday.  Flooding may be the biggest threat with an additional 1-3″ possible in some areas.  It’s a good idea to clear drains of any leaves to help ease the situation.

RPM 5 RPM 6 RPM 7 RAIN POTENTIAL HEADLINES 7DAY

Unsettled conditions remain in place Wednesday and Thursday as the upper level storm spins around the Ohio Valley.  Widely scattered, to at times numerous, showers and thunderstorms occur Wednesday into Thursday morning.

Stay weather aware and remember to download the WTHR Weather App.

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