Another Arctic Blob...UPDATE!

UPDATE: 15 January 2009

This will likely be the coldest night (so far) this winter season. Lows will range from the single numbers to the mid teens.

I will post a new blog Friday on a pattern change to milder weather...stay tuned for that...and stay warm!

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UPDATE: 13 January, 2009

The arctic air is "on schedule" for a Wednesday afternoon/evening arrival. It will be windy and very cold Wednesday night into Thursday morning.

The coldest temperatures are expected Friday morning. Temperatures of 10-15 degrees are possible if skies remain clear Friday morning.

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Another Arctic Blob This Week

11 January, 2009

The upper level wind flow (see map above) is very favorable for pushing more cold air southward this week, with the coldest batch moving in Wednesday night/Thursday. This air will be coming from the largely sunless lands north of the Arctic Circle (66 2/3 degrees north latitude), so it will be extremely cold.

While it does not look to be record cold at this point, a windy day with highs only in the 30s Thursday….followed lows in the teens…is expected by Friday morning.

A very dry pattern will also persist and outdoor burning is discouraged through this week.

For more insight on the Arctic Circle , check out this link:

http://www.search.com/reference/Arctic_Circle

Take Care…

Steve LaNore

Chief Meteorologist

KXII-TV

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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  • by Steve LaNore Location: KXII-TV on Jan 12, 2009 at 04:25 PM
    To answer Craig’s question (“macro” of course referring to large scale); a persistent eastern trough/western ridge upper level flow has kept us on the subsidence side of most weather systems. Subsidence, or sinking air, acts against the formation of clouds and rain. Until this pattern shifts, it will continue to be abnormally dry. There is no indication of a major change during the next few months. Naturally, this is not to say we’ll receive no rain (or snow), just that it will continue to be below average. So, we can only hope that a change will take place. Long range forecasts are prone to errors beyond what we get on a forecast only a few days out. The latest NCEP (National Center for Environmental Prediction) outlooks can be seen at http://www.cpc.noaa.gov/products/predictions/30day/ They give us “equal chances” for above, below, or normal rainfall into the spring. Take Care, Steve
  • by Craig Location: Sherman on Jan 12, 2009 at 02:36 PM
    Steve: Anything you can tell us about the macro weather patterns regarding why this area has been behind on rainfall since last summer? Also, are there any long range forecasts regarding whether we are in for a normal, wetter than normal or drier than normal spring and, if so, why?
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