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May
04

Rain and a Few Storms Overnight

Posted By · May 4, 2015 at 10:23 pm
Scattered showers and storms will stay in the forecast Monday night.  The storms are developing along a boundary that will start to lift north on Tuesday.  The boundary will still be the focus for some showers and storms on Tuesday, but that will be across the northern part of the state.
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South of the boundary, heat will build.  High temperatures will be in the lower and middle 80s Tuesday through Friday.  Here is the planner for Tuesday and forecast high temperatures.

planner highs

We have the forecast dry until the weekend too.

Right now there is a chance for rain and storms on Saturday and Sunday.  We are not forecasting all day rains this weekend.  We will keep you updated on the weekend outlook and timing those rain chances.  There are a couple of big events on Saturday.  The 500 Festival Kids Day and Rookie Run are in downtown Indianapolis on the circle.  The Angie’s List Grand Prix of Indianapolis is at the Indianapolis Motor Speedway.

There is a better chance for heavier rain and storms on Monday.

7DAY

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We’ve had this is in our forecast since Monday, and now have had reports of small hail with lightning in stronger cells that have developed within the past hour.  The much colder air aloft combined with spin around an upper level low overhead may produce some cold-air funnels too.  This rarely ever reach the ground but can be a bit alarming to the untrained eye.  The best chance of seeing one will likely be on the eastern and southeastern half of the state today.

RADAR TEMPS RPM 3PM TODAY RPM 7PM TODAY

Showers and storms diminish quickly toward sunset as the upper low pivots south of the Ohio River.  This paves the way for a pleasant weekend warm up that will see temperatures rise into the 70s for highs.  We’ll post an updated long range forecast shortly as it appears the first week of May will be in the 80s!

 

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Apr
25

Rain Out and Sunshine In

Posted By · April 25, 2015 at 4:21 pm
The heavy rain and lightning will end Saturday evening and we can focus on a sunny Sunday.
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A drier weather pattern will arrive overnight, with low temperatures falling into the upper 30s and lower 40s.  After that cool start to Sunday, it will be sunny and 60 degrees on Sunday afternoon.

PLANNER

The SkyTrak 13 Weather Team is tracking a dry and warmer weather pattern next week.  Monday will be sunny and near 60, but high temperatures warm a few more degrees into the lower and middle 60s for Tuesday and Wednesday.

Even warmer air arrives for the end of the week.  Highs will be in the upper 60s and lower 70s on Thursday and Friday.

Right now we have the weekend warm and dry too.  Forecast highs are in the middle and upper 70s.  We will monitor the Saturday forecast closely.  It is the first big weekend of the month of May and there are 2 big events on Saturday.  The 500 Festival Mini Marathon is on Saturday morning and you can watch it on WTHR Channel 13 this year.  Rev Indy is a big event at the Indianapolis Motor Speedway on Saturday night.

7dya

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Apr
20

Monday Marks Prolonged Spell Of Below Normal Temperatures

Posted By · April 20, 2015 at 1:18 pm

In the wake of a cold front that passed through the Indy metro area around 9am this morning… gusty wind and below normal temperatures are the big story this afternoon.  Temperatures range from 45 to 55 degrees for late day highs.

TEMPS TEMPS OHV FRONT

The aforementioned front is now pushing across Ohio and attached to an area of low pressure over the Great Lakes.  This low will be the driver of our weather for several days and becomes cut-off from the main jet stream.  This allows it to spin around the Great Lakes day after day and reinforce already cooler than normal conditions.

LOW PRESSURE RPM 5PM TODAY RPM 9PM TODAY

This is the first day of an unseasonably cool stretch of days with temperature anomalies 10-15 degrees below normal.

Spotty showers pop up during peak heating this afternoon as the atmosphere destabilizes.  Clouds and showers diminish after sunset, but the brisk wind remains a constant heading into Tuesday morning.

PLANNER EVENING PLANNER TONIGHT

Despite clearing and lows dropping into the upper 30s and lower 40s… the steady breeze keeps frost from morning tonight.  Expect brisk conditions to linger into Wednesday morning as the pressure gradient around the Great Lakes Low keeps the wind in the 10mph+ range for the next 48 hours.

LOWS TONIGHT

Morning sunshine tomorrow gives way to a building cloud deck and more showers in the afternoon.  Highs near 60 degrees Tuesday but a strong wind of 25-35mph makes it feel cooler.

RPM 7AM TUESDAY RPM 4PM TUESDAY PLANNER TUESDAY

Steady wind saves the region from frost Tuesday and Wednesday mornings.  But we’ll need to monitor Thursday and Friday mornings for frost potential and the wind eases and we’ll see greater raditional cooling.  Either way lows will chill into the low to mid 30s.  A bright finish to the week gives way to clouds and showers heading into Saturday.

RPM 5PM WEDNESDAY RPM 7AM THURSDAY JET STREAM 7DAY

All signs point to a much colder than normal finish to the month of April and perhaps beginning of May.  Stay tuned for updates – Sean Ash

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Mar
17

Northern Lights Possible This Evening?

Posted By · March 17, 2015 at 4:54 pm

It is a possibility here in Central Indiana as the Space Weather Prediction Center alerted of a severe geomagnetic storm in progress.  According to the SWPC this is due to the interaction of a pair of coronal mass ejections (CMEs) spewing from the sun earlier today and now interacting with the Earth’s atmosphere.

They note that similar events have produced aurora borealis as far south as Alabama, North Carolina and northern California.  It’s not a given, but we do expect clear conditions this evening.  They’re predicting the storm to diminish as the day ends… so it may be a race against time with our sunset time at 7:54pm.  Keep an eye to the north and please let us know if you’re fortunate enough to see this atmospheric treat.

Below is an aurora forecast map produced by the University of Alaska at Fairbanks:

AURORA FORECAST

 

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Yippee!!!!!  The wait was well worth it.  Shortly after 3pm, under a hazy sunshine Indianapolis recorded its first 60 degree temperature since November 30th.  This marks the latest first 60 degree day since March 12th of 1982, and the 101 day streak without a 60 degree temperature is the 17th longest stretch on record since 1871.

The average date for the first 60 degree day in the city if February 4th and the first last year occurred on February 20th.  Get outside and enjoy!  We’ll have more 60s Thursday before another round of heavy, steady rain arrives Friday.  You can get the extended forecast analysis from an earlier blog here.

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Mar
06

Slow Weekend Warming

Posted By · March 6, 2015 at 5:14 am

It is REALLY cold out there this morning.Many towns are below freezing now and others in the single digits. The record in Indianapolis is -6 set in 1960.

Wear your warmest today because our wind chills are in the 0 to -10 range. The sun will help push our highs today back to near 30 degrees during the afternoon. Look for no snow and temperatures in the 20s as high school teams around Indiana play in the sectional finals in 64 sites around the state.

The major weather pattern change begins tomorrow with highs around 40 degrees Saturday and Sunday.

On This Date in Central Indiana Weather History……
1961 : Kokomo…A tornado picked up a mobile home and hurled it into a 2 story home at 6:50 am. One person was killed.

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Mar
04

Snow Moves Out – Cold Thursday

Posted By · March 4, 2015 at 10:19 pm

The latest weather system brought several inches of new snow to the southern third of Indiana late Wednesday.  Snow will end overnight, but watch for slick and snow covered roads especially south of Indianapolis through Thursday morning.  There might even be a few slick roads across the rest of the area due to refreezing.

It will be colder overnight, with lows near 10.  Temperatures won’t move much on Thursday, with morning clouds and some afternoon sun.  Forecast highs are in the upper teens and lower 20s.

planner

Near record cold is forecast for Friday morning, with lows near 0.  The record is -1 in 1978.  Highs on Friday will be near 30 degrees, with mostly sunny skies.

The weather pattern will be dry for the end of the week and the weekend.  Forecast highs are near 40 degrees on Saturday and Sunday.  Remember Daylight Saving Time begins on Sunday.  This means your turn your clocks forward 1 hour when you go to bed Saturday night.  It is also a great idea to change the batteries in smoke and carbon monoxide detectors.

A big warm-up is in the forecast for early next week.  We have 40s for Monday, lower 50s on Tuesday and upper 50s on Wednesday.  Finally there is a taste of Spring in the forecast.

7DAY

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