Category: Weather Rambles

Another Bout Of Rush Hour Wintry Mix; Longer Range Talk…

We think we’re dealing with another round of light freezing drizzle and a wintry mix for the Thursday morning commute.  Plan to allow extra travel time.

Forecast radar Thursday morning suggests freezing drizzle and a light wintry mix is in play across central Indiana.

Forecast radar Thursday morning suggests freezing drizzle and a light wintry mix is in play across central Indiana.

There’s some longer term data that’s in stark contrast from what a positive PNA should produce (yet alone a strong positive PNA).  Typical positive PNA pattern should promote an eastern trough and associated colder than normal pattern as drawn below:

PositivePNA

Needless to say, we disagree strongly with the NAEFS and GFS ensembles:

2014120312_054@007_E1_north@america_I_NAEFS@TEMPERATURE_anomaly@probability@combined@week2_186

Regardless, the future will tell!  

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Catching Up And Looking Ahead…

From the IndyWx.com family to yours, we wish you a very happy Thanksgiving! Thank you for taking the time to read our content daily and for all of your support…

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Changeable Monday; Note On Thanksgiving; Warm Open To December…

We wanted to touch on a few items of business this evening.  There’s a lot of weather going on this week…

Monday will feature drastic changes in the weather department across central Indiana:

  • Day starts mild and with lingering showers.
  • Strong and gusty winds will reach speeds of 45-50 MPH.  Batten down the hatches!
  • Temperatures crash late morning into the afternoon.  We start in the lower 50s, but fall to the freezing mark for the drive home across western parts of the state.  Eastern Indiana will see 32 degree air by 7-8 o’clock.
  • Scattered snow showers and flurries will fly across central Indiana Monday evening.

Thanksgiving Cold And Snow:

Temperatures will be much colder than average (low to mid 30s for highs and middle 20s for lows).  We’re still tracking a weak disturbance that could distribute light snow across central Indiana Thanksgiving Day.  Accumulations, if any, would fall in the dusting to less than 1″ range.

Opening December Warm:

We’ve been talking about how this exceptionally cold and wintry early season pattern would have to “relax” at some point and that appears to be the case as we open December.  The potential is there for well above normal warmth for the first week to ten days of December before we reload the pattern and introduce colder, more wintry times for mid and late month (anyone dreaming of a White Christmas)?

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Thursday Night Rambles…

There’s a lot of weather to discuss over the upcoming 7-10 days, so in no particular order of most or least important, here’s what’s on our mind… 1.) Light freezing…

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Tuesday Morning Rambles…

1.) We posted our weekly outlook last night and this can be found below.  An active weather pattern continues.  2.) A cold front will move through the region later this evening. As a result, showers and embedded thunder will be around into the afternoon hours before drier, cooler air builds in tonight behind the front.  Forecast radar shows rain and embedded storm chances continuing into the afternoon:

hrrr_ref_ma_10

3.) Wednesday looks like the pick of the week with plentiful sunshine and pleasantly cool temperatures.  4.) Rain and storm chances return as early as Thursday into Friday.  5.) Friday stands to be quite an ugly day with rain chances and a new push of unseasonably chilly air.  A big thermal fight will be in place Friday as portions of northern Indiana don’t make it out of the 40s while temperatures across far southern areas of the state go into the 70s.  More specific to our region, look for falling daytime temperatures starting in the upper 50s.

gfs_t2m_east_31

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