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Sep
12

Weekend Forecast

Posted By · September 12, 2014 at 4:14 pm
Oh there is a chill in the air.  The chill will last through the weekend.  We are actually forecasting below average temperatures over the next 7 days.
OPERATION FOOTBALL

Skies will be mostly cloudy tonight.  There is a weak weather system passing just to our north.  It is close enough to keep clouds in the forecast through early Saturday.  There is also a slight chance for a stray shower through early Saturday.

RPM 2 RPM 3 RPM 4

Saturday will start mostly cloudy, with temperatures near 50 degrees.  There will be some afternoon sunshine, but highs on Saturday are only forecast in the lower and middle 60s.

FRIDAY PLANNER

The coolest will be Sunday morning, as temperatures fall into the lower and middle 40s.  It will be a sunny Sunday, with highs in the range of 65-70 degrees.  The average high is in the upper 70s, but we are only forecasting highs in the upper 60s and lower 70s through next week.

7DAY

There is another chance for light rain late Monday night.

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Sep
12

Cool Streak Stays With Us

Posted By · September 12, 2014 at 3:15 am

The calendar says September but it feels like October! The average high for October 10th is 68 degrees, according to the National Weather Service and that will be our high today. Look for periods of clouds and sun and a brisk north wind.

Bring a jacket tonight to Operation Football games as we’ll have cool conditions in the lower 60s for kickoff and 50s by the end of the fourth quarter.  We’ll have periods of cloud cover the next couple of days blowing off of Lake Michigan.

Saturday should be cool too, but weather won’t be an issue for the Shamrock Series game at Lucas Oil Stadium between Purdue and Notre Day or the Indy Eleven game. Clouds clear Saturday evening and pave the way for the coldest night with lows in the mid to low 40s.  After a chilly start, Sunday looks nice with  highs near 70.  Don’t look for a big warm up…temperatures stay in the low 70s most ofr next week.

…ON THIS DATE IN CENTRAL INDIANA WEATHER HISTORY… 1897 AT INDIANAPOLIS…THE RECORD HIGH TEMPERATURE FOR THE DATE IS SET AT 95 DEGREES.

Daypartextended

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Sep
11

Autumn Air Arrives And Is Here To Stay

Posted By · September 11, 2014 at 4:33 pm

What a difference a day makes.  From a humid, stormy Wednesday to cloudy and much cooler today.

TEMPS 24 HOUR CHANGE

Underneath overcast and with a persistent north-northwesterly wind temperatures are 15 to nearly 20 degrees cooler than 24 hours ago.

Tonight: there will be partial clearing and temperatures slowly drop into the lower 50s by sunrise Friday… with some 40s possible where clouds clear enough.

EVENING PLANNER LOWS TONIGHT

Tomorrow:  Light jackets are a good idea for kids at the bus stop.  Though a period of sun is possible in the morning, tomorrow will be similar to today with a healthy amount of low cloud overcast.  Highs Friday will again be locked into the mid and upper 60s.

FRIDAY PLANNER HIGHS FRIDAY

Jacket weather is in store for Operation Football with cool conditions in the lower 60s for kickoff and 50s by the end of the fourth quarter.  The pesky cloud cover holds tough tomorrow night into Saturday morning, and upper disturbance swinging through the Great Lakes may trigger some light showers early Saturday.

OPERATION FOOTBALL RPM RPM 2 RPM 3 RPM 4

Clouds clear Saturday evening and pave the way for the coldest night with lows in the mid to low 40s.  After a chilly start, Sunday looks spectacular with blue sky and highs near 70.

LOWS SUNDAY

A brief shot of showers Monday evening and night before high pressure and stable conditions quickly return.  It’s too early to tell if this will be enough to impact tailgating for the Colts home opener against the Eagles, but we’re watching closely.

COLTS

Quiet, calm weather quickly returns Tuesday and looks to last well into the end of the week.

7DAY

Have a great evening – Sean Ash

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Sep
11

Autumn Weather Arrives

Posted By · September 11, 2014 at 3:08 am

The storms have moved out and the cooler air is moving into Indiana today. Yesterday, the Indy Airport reported .90″ of rain but much heavier rain hit the north side and Castleton reported 3.04″ of rain. The front that brought the precipitation has moved into Kentucky.

Today, look for mostly cloudy skies and a high of only 70 degrees. Highs will only be in the middle and upper 60s Friday through Sunday.  Morning temperatures will fall into the 40s starting Sunday.  

Most of the weekend will be dry, but a stray shower is possible on Saturday.  Sunday will be sunny and cool, with highs in the 60s. 

Highs in the upper 60s and lower 70s are in the forecast for early next week.  There is a chance for rain on Tuesday.

On This Day In Central Indiana Weather History….

1897, the record high for the day in Indianapolis reaches 95 degrees.Daypart

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Sep
10

Flash Flood Threat Increasing

Posted By · September 10, 2014 at 8:28 pm

Though a Tornado Watch remains in play for the eastern half of Indiana, the chances of any severe weather or brief tornado spin ups is slim.  Unfortunately, and as expected, “training” storms combined with a highly moist atmosphere are dropping torrential rainfall for parts of central Indiana.

RADAR

The last hour or so the tracks have been placed across the northern half of the metro area, and many locations within this zone will likely receive 2-3″+ rain totals before midnight.  A Flash Flood Warning is in effect until midnight for this region and additional warnings and or advisories may be needed.

WARNING RADAR 2

More heavy storms are lining up along a cold front in eastern Illinois and these will impact southern Indiana.  A Flash Flood Watch remains in place until 2am and 1-3″ rain totals are possible for cities farther south that haven’t received much today.

FLOOD WATCH

The threat for heavy rain or locally strong storms will end northwest to southeast between 9pm and midnight.  Locally strong wind gusts remain possible in southern and southeastern Indiana where there’s been little rain today.

RPM RPM 3 RPM 2 PLANNER

By the time you wake up Thursday morning our focus quickly shifts to the much advertised fall chill.  Temperatures Thursday will struggle into the upper 60s with a fair amount of clouds that slowly diminish later in the day.

THURSDAY MORNING PLANNER THURSDAY

The coolest air will arrive this weekend and push lows into the 40s at times and highs remain in the 60s.

7DAY

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Sep
10

Update On Tornado and Flash Flood Watches

Posted By · September 10, 2014 at 3:37 pm

You’ll need to stay weather aware this evening with areas of heavy rain likely and severe storms possible.  The atmosphere over central Indiana remains highly sheared and conducive of low-topped storms with the ability to produce brief spin-ups.  Many of the severe thunderstorm warnings issued thus far have been accompanied with very little lightning.  This is from limited instability and lift from clouds and waves of showers.

RADAR

A game changer could be the areas of clearing in southern Illinois and southwestern Indiana this afternoon.  This will aid in the development of new storms and existing storms along a cold front to strengthen.  It’s only a Slight Risk but deserves our attention with locally strong wind and brief tornadoes possibly this evening.

SPC

 

UPDATE: Tornado Watch expanded west to account for clouds that have cleared to increase instability.  This now includes Lafayette, Crawfordsville, Terre Haute as well as the Indianapolis metro area until 9pm.

WATCH

 

Update:  A Flash Flood Watch expanded farther to include Bloomington, Columbus, Seymour and Bedford until 2am.

FLASH FLOOD WATCH

 

Locally heavy rain remains very likely due to a highly saturated, tropical air mass blanketing the Ohio Valley.  The approaching cold front will create linear/banded rain with the ability to drop torrential amounts in a short time.

HRRR RAIN POTENTIAL

Hi-res modeling indicates areas of 2″+ rainfall amounts are possible between now and midnight.  Flash Flood Warnings are imminent if this verifies.  Use caution driving this evening and overnight.

RPM RAIN POTNETIAL

The latest run of FutureTrak13 shows the threat of severe weather ending around midnight… but notice the “bowing” features in the modeled radar output.  This is indicative of damaging wind potential, and in this environment brief tornadoes would be possible too.

TODAY

wednesday storm threats

Another reason for the severe potential is the transition from warm, muggy air to an air mass for accustomed to mid-October.  Temperatures tomorrow begin in the mid to lower 60s and that’s where they’ll finish thanks to a steady diet of cold air advection.

RPM THURS MORNING

RPM THURS AFTERNOON

By Friday morning lows will be near 50 and this paves the way for a fall-ish weekend in central Indiana.  We continue to mention the possibility of a period of showers and sprinkles Friday night into Saturday morning.  It’s a quick hitter and much of Saturday and Sunday are quiet but cool.

RPM FRIDAY MORNING 7day

Stay safe this evening and check back for updates – Sean Ash

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Sep
10

Heavy Rain & Strong/Severe Storms Today

Posted By · September 10, 2014 at 11:07 am

Pockets of heavy rain and thunderstorms will be around throughout the day, but it’s as we get into the afternoon/evening that the threat for severe storms goes up.

All of Central Indiana is under a “slight” risk for severe storms.

wednesday severe threat

The biggest threats are damaging wind, and flooding due to heavy rain.  Most of Central Indiana is under a flash flood watch until late tonight.  Rain totals could amount to 1-2″ of rain with some isolated areas picking up, up to 3″ of rain.

wednesday storm threats

The timing for strong to severe storms is 4pm to 12am.  The rain and clouds cover we have right now, could help to keep the severe threat down.

wednesday planner

On Futuretrak13 you can see more showers and storms develop and move through tonight as a cold front pushes across the state.

wednesday futuretrak 6pm

wednesday futuretrak 9pm

wednesday futuretrak 12am

Behind the storms will be much cooler and drier air with highs in the 60s and some overnight lows in the 40s.

wednesday stormy 7 day

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Sep
10

Posted By · September 10, 2014 at 3:23 am

DaypartRain will be a big part of our forecast in Indiana today. There is a slight risk of severe weather and a flash flood watch will go into effect in the afternoon and evening.  The biggest threats for severe weather will be damaging winds and heavy rain. Some of our computer guidance suggests that we could easily pick up 1-3 inches in parts of Indiana during the day and evening. Look for periods of heavy rain this morning and then later in the afternoon and evening. Most of the rain will be out of the area by midnight tonight. That paves the way for a huge, autumn like change in our weather pattern. Much cooler air arrives for the end of the week.  Highs Thursday – Sunday will only be in the 60s.  Low temperatures fall into the 40s on Sunday and Monday mornings. ON THIS DAY IN WEATHER HISTORY 1890…The record rainfall amount for the date was established at 2.6″. severerisk

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