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Brett's WeatherPlus Blog

La Nina Update

Good morning,

    Last week I promised an update on this season's La Nina!  I know some of you watch this atmospheric phenomenon and compare it to the LRC (Lezak Recurring Cycle), the NAO (North Atlantic Oscillation) or Global Climate change in general.  NASA scientists say even though this year's La Nina is moderate, it is still packing a punch.  Below is a graphic of how scientists see this year's episode affecting the U-S.  The wetter than usual area in the mid-Mississippi Rover valley could be expanded a little farther west to include Kansas City.  Except for November, we've had above average precipitation since October.  Our temperatures fall in line with the graphic below as we are about average when it comes to how warm cold we have been, so far.

La Nina.jpg

   You can read a lot more about NASA's findings by clicking on this link.

http://www.nasa.gov/topics/earth/features/lanina.html

     Have a great weekend, 

      Brett

 

 

 

 

Published Friday, January 11, 2008 8:32 AM by wxman5

Comments

 

Andrew_Stafford said:

Anybody know why Weather PLUS and KSHB-DT keeps having a weak signal or even off the air, it did this yesterday, and then last night at 10pm, it was fine, and then this morning it's back off the air!! I miss weather PLUS! We have a roof antenna. I would watch it online, but I have SLOWWWWW Dial up. :(  ************ I'll pass it along.  Brett
January 11, 2008 9:14 AM
 

Andrew_Stafford said:

What will happen to our KC LIVE Club Cards? Trash? ****** Sorry Andrew, all of the businesses canceled thier deals a couple months ago.  Brett
January 11, 2008 11:03 AM
 

lezakEF5 said:

Great blog...It is very nice today!
January 11, 2008 2:32 PM
 

Scott said:

Nice map from NASA, but worthless.  What is warm, what is cold, what is wet or dry?  What is the threshhold?  I could argue any part of the country to match any of these trends.

I hate these maps..they are deceptive.  ************* Scott, What would you like to see?  An exact amount of precipitation?  Exact temperature range?  Its one thing to be critical but offer up some solutions.  Brett 

KC has been both colder and wetter than average.  How does this fit into this map?

Northern California is above normal in precipitation.  How does this fit?

Tallahassee is quite a bit cooler than normal. How does that fit?

New Orleans is about 40% under on precipitation.  How does that fit?

For all this to come into allignment, some major changes need to occur in a month and a half. The data I offered is based on the NWS sites for those areas.

I don't see a slowly declining La Nina making any type of quick change.  It has been going since the end of last summer...so why would it just now kick in for a month and a half.

This is a farce.
January 11, 2008 4:11 PM
 

Scott said:

Brett - My tirade was not directed to you, but to the broad brush approach to illistrate what the impacts of La Nina can bring by NASA and others that try to operationalize La Nina effects into a forecast.  While I agree that this effect can prime the atmosphere to certain conditions, I think the vague representation without any threshold discussion provides very little value. ******** Scott, I didn't take offense, I knew where your frustration was aimed.  I was just curious as to how better NASA or NOAA or could better utilize such maps.  Brett

Because of the dynamics of the ocean anomolies, its relative strength, depth and ultimate location, I think while we know there are impacts, trying to map it out as generically as these orgainzations do in these flimsy map depictions is an exercise of futility.  And because these are typically trusted sources - without further thought, the general public tends to accept this as truth while in many cases it is not the fact as shown with my examples.


Solution as requested - if one wants to show how La Nina may affect the CONUS, I would refrain from these types of maps, but rather explain how its influence affects the atmosphere and let the local scientists/meteorlogists paint a more detailed picture of what its long term effect may be.
January 12, 2008 10:58 AM
 

Jayhawk84 said:

I just want to know where all this global warming is!!!!  When does the LRC say we're going to get warmer.....JUNE?? ******** We will have the warm ups, but they won't be long.  Like this weekend, into the 40s.  But hold out hope, average highs will be in the low 50s by the end of February.  Brett
January 16, 2008 3:34 PM
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