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A Look Into The Holiday Forecast

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Good morning bloggers,

It's FRIDAY!  And, it is going to be a beautiful day. The dense fog materialized in a few spots, but there is an area of thick low clouds to the south we have to monitor closely today.  We may get lucky during the holiday week with some great weather at times. Let's go over the changing pattern: 

Here is how I see next week, a big travel and shopping week:

  1. A cold front Monday with a storm tracking just north of us
  2. A stronger cold front around Wednesday
  3. A big warm-up by Thanksgiving Day or Friday
  4. A HUGE change and a chance of the ending to our snowflake contest the week after Thanksgiving 

By Monday a strong upper level storm will be developing, negatively tilted, across the central and northern plains.  This storm may dig a bit farther south than shown on this first map below and if it does we could have much more of a storm on Monday. It is going to be what we concentrate on tonight on NBC Action News in HD:

As this upper level energy swings by on Monday a cold front will move through with a chance of a few showers. Snow is likely farther north and we will monitor this situation for any travel problems on Monday. 

Another upper level trough will swing out into the plains, but again this will likely track north of Kansas City driving a second cold front through us next Wednesday.  Lake effect snows will be possible behind this system as it moves across the Great Lakes.  But for us it is likely just going to be a cold front:

By Thanksgiving Day most computer models have trended into a southwest warming wind developing with the warmer air maximizing on what many call the busiest shopping day of the year, next Friday. It may be a bit breezy for the Plaza Lighting and then much warmer by Friday.  Here is the surface forecast valid next Friday:

As we get to the end of next week a huge transition will finally occur. And, we are seeing signs of the weather pattern finally repeating into this years LRC pattern.  Take a look at the forecast map below valid the Saturday after Thanksgiving:

As you look at the map above pay close attention to the splitting flow off the west coast with the northern branch going up over a very important ridge.  As the ridge develops conditions will become very favorable for at least a weak Arctic air mass to form.  And the southern branch is about to become more energetic with strong storm systems. Everything is pointing in the direction of a stormy December ahead!  And, I am expecting the snowflake contest to end during the first 10 days of next month.

Have a great day and a nice weekend!  Let us know if you have any questions.

Gary

Published Friday, November 20, 2009 7:16 AM by glezak

Comments

 

tornadochaser said:

hey gary some of those pics of the weather pattern dont show up on my computer. my question is do you think that we will get a lot of snow in the first 10 days in december or just 1''  to end the snow flake conteset

-------------

There is nothing different I did today with those pictures.  They are all on there in the same way.  Can you see any of them?

Gary

November 20, 2009 8:18 AM
 

mamaof3girls said:

I am keeping my fingers crossed that it stays dry for Thanksgiving!! I hope you are correct about the Snow Flake contest "possibly" ending around December 9-11.....I think I picked December 11th as my date, :)  It will be interesting to see if the cold air comes down and hangs around like expected. Have a great weekend.
Monica
Pleasanton, KS
November 20, 2009 8:21 AM
 

Bizarro Jerry said:

From http://wattsupwiththat.com/2009/11/17/ams-tv-weathercaster-survey-on-climate-raises-eyebrows/

AMS TV weathercaster survey on climate raises eyebrows

A survey of weathercasters’ feelings on global warming was published in this month’s edition of the Bulletin of the American Meteorological Society. It had some interesting findings. There were 121 respondents. 94% of the respondents had at least one of the three major seals.

Television meteorologists are the official scientists for most television stations. The overwhelming majority felt comfortable in that role for their stations. The majority agreed that the role of discussing climate change did fall to them.

The eyebrow raising responses:

“Respond to this IPCC conclusion: “Warming of the climate system is unequivocal.” Only 35% agreed or strongly agreed. 34% disagreed or strongly disagreed.

“Most of the warming since 1950 is likely human induced.” A full 50% disagreed or strongly disagreed. 25% were neutral on this question. Only 8% strongly agreed.

“Global climate models are reliable in their predictions for a warming of the planet.” Only 3% strongly agreed and another 16% agreed. A full 62% disagreed or strongly disagreed.

“Respond to one TV weathercaster’s Quote saying “Global warming is a scam.” Responses were mixed. The largest percentage was neutral, at 26%. A total of 45% disagreed (23%) or strongly disagreed (22%). 19% of the respondents agreed with this statement and 10% strongly agreed.

The amount of uncertainty found in this survey tells that even the most educated and motivated communicators are still uncertain about the truth on this issue. Interesting article.

The entire text can be found at: http://ams.allenpress.com/archive/1520-0477/90/10/pdf/i1520-0477-90-10-1457.pdf


Check out a summary of the stats:
http://wattsupwiththat.files.wordpress.com/2009/11/ams_survey_wxcasters.png

-----------------

Bizarro Jerry,

It is interesting and I know many of the meteorologists that have responded. They are in the political right group, most of them, with their high incomes.  There is a political motivation on some of these results of this very small sample, in my opinion.  I like to look at the facts, and not just at a survey of opinions.

Gary

November 20, 2009 8:22 AM
 

momof3 said:

I am so happy that the snowfall contest might end before the 10th.  Like I had said before my birthday is the 9th.  At least an inch of snow would be an awesome birthday present for me.  YAY bring on the snow!
November 20, 2009 8:53 AM
 

Craig said:

G-man: I have Nov 29 in the contest so I'm all for HUGE chances of snow after Thanksgiving...but...I must remind you of your own rule regarding long-range computer models...

----------------

Yes, and just in the past three days it looks very different for those days, but it is getting closer. The early week storm may be more significant, but the late week warm-up may be just as significant.

Gary

November 20, 2009 9:05 AM
 

snoman said:

Craig, I think gary knew the models would start to advertise the split flow and is probably right on que. Exact timing is prob off this far out but should be relativly close.
November 20, 2009 9:59 AM
 

Adam Penney said:

The 12Z GFS now hints at a possible quick shot of some snow or flurries late monday night...

----------

Adam,

The only way is if it digs a bit harder, and it may. We will be concentrating on this tonight on NBC Action News.

Gary

November 20, 2009 10:01 AM
 

WINTERSTINKS said:

This weather looks great in the next week. I saw new moon last night its a must see for all twilight lovers ps the wolves are my favorite have a good weekend everybody.
November 20, 2009 10:48 AM
 

kcwxguy said:

I suppose things could change long range [though not sure it will] with the GFS on the 12Z, but I found these two graphics very interesting in how different they were...

First is the GFS 10m view of very cold air funneling down into the Great Basin into the Northern Rockies...notice the -10 degree 2 meter temps over Western Montana, Idaho into NW Colorado...

http://www.nco.ncep.noaa.gov/pmb/nwprod/analysis/namer/gfs/12/images/gfs_ten_204l.gif

Also notice SW wind ahead of a surface low in the SW bringing warmer temps to the area...

Then, I find this from the CPC in their 8-14 day outlook from yesterday...

http://www.cpc.noaa.gov/products/predictions/814day/814temp.new.gif

Guess I will keep watching the model trends, but it seems there might have been a hiccup.
November 20, 2009 11:51 AM
 

Adam Penney said:

Scott,

Are you also in the corner of an active december?


Or more recently discussed...the first 10 days?
November 20, 2009 12:07 PM
 

Dwxtracker said:

Scott, I have found that I have been at odds with what the CPC has been putting the their outlooks recently. I feel like they have been off more than on this fall. Not sure, but just what it seems to me.
November 20, 2009 12:14 PM
 

weatherfreak01 said:

I think (says she with a grin) that the Monday's storm will strengthen and come a little farther South, thus the snow flake contest will end on Monday. I say this, not for any weather training, but because I picked the 23rd at 4:23 in the morning. :-)
November 20, 2009 12:32 PM
 

Turd Fergenson said:

Good thing I picked Dec. 5th. I better win.
November 20, 2009 12:58 PM
 

ChicagoExPat said:

I predict that the snowflake contest will end when Gary or Jeremy measures 1" of snow on the Plaza. Trust me on this.
November 20, 2009 1:54 PM
 

sagan41 said:

Bizarro Jerry,

I think a survey of climatologists from both public and private organizations, would even out and tip the balance on whether global warming is occurring.  
November 20, 2009 2:26 PM
 

balzak said:

@tornadochaser - If you are at work, they could be blocking the site that stores the images.  At least that's the case at my work.
November 20, 2009 2:30 PM
 

sedsinkc said:

I picked December 5 for the snowflake contest, it'll be interesting to watch as the pattern evolves over the next 2 weeks.  Another beautiful November day today!
November 20, 2009 2:41 PM
 

sedsinkc said:

Interesting findings re the global warming survey among TV meteorologists.  Just goes to show they are influenced by their political beliefs, like just about everyone else.
November 20, 2009 2:44 PM
 

Kcchamps said:

November 20, 2009 2:56 PM
 

mizzou09 said:

Hey Gary
Just curious if I am going to be okay going from Kansas City to Colorado on Wednesday.  Happy Thanksgiving and some other stations are seeing that we might get an ice threat do you see that happening.  Sorry to hear Jeremy is leaving he was great and we will always miss him.  

Your good friend
Mike
November 22, 2009 8:45 PM
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