Category: Arctic Cold

Wednesday Morning Rambles…

1.) Light snow will try and spread towards central Indiana Thursday, but this will really run into dry air and struggle to make it into the area. Radars to our…

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“I’m Dreaming Of A White Christmas…”

Modeling continues to suggest a cold and wintry time lies ahead as we progress into and through the special Christmas period. Could this be the scene across central Indiana Christmas…

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A Look At Where We’ve Been And Where We’re Going…

December so far has been a battle between the cold northern tier and warmth south. The so-called “battle zone” has been located over our neck of the woods and lead…

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Sunday Morning Rambles…

1.) It’s nice to see the sun for once.  While we’ll still have mid and high level cloudiness to deal with later today, we’ll gladly take what we can get of the good ole vitamin D this time of the year!

20141207_1445_EVV_vis

2.) Rain over the Thursday-Friday period followed along very closely to what modeling suggested.  Heaviest rains fell central and south.

nws_precip_ky_3

3.) A cold front will move through Monday evening with a few showers, gusty winds, and set up a cold week, overall.

hires_ref_ky_34

4.) In the long range, we continue to really like the looks of things from a winter weather lover’s point of view.  Undercutting jet supplying storm potential, arctic intrusion, and a blocky look… Details will have to be sorted through as time draws closer, but from this perspective, the pattern continues to look like it’s heading towards one capable of widespread colder than normal air and winter storm potential Christmas week.

122014SetUp

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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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