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Medium/Long Range Discussion Part 4


hm8

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Another ideal summer pattern in addition to 2010 was 2000.  May through August, precip was average or above average, several episodes of thunderstorms obviously, yet temps were below average through most of the period.  Average/below average and stormy are ideal in my mind, as strong t'storms still happen those summers, and chances are much greater than hot and dry summers like last.

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Well it wasn't crazy negative but it was mostly a -NAO regime from May through September. 

 

ftp://ftp.cpc.ncep.noaa.gov/wd52dg/data/indices/nao_index.tim

 

2010    5  -1.332010    6  -0.522010    7  -0.392010    8  -1.692010    9  -0.62

 

Yeah, although June 20th to July 13th was all under a +NAO, which explains the weaker negativity in June/July.

 

ftp://ftp.cdc.noaa.gov/Public/gbates/teleconn/nao.reanalysis.t10trunc.1948-present.txt

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Another ideal summer pattern in addition to 2010 was 2000.  May through August, precip was average or above average, several episodes of thunderstorms obviously, yet temps were below average through most of the period.  Average/below average and stormy are ideal in my mind, as strong t'storms still happen those summers, and chances are much greater than hot and dry summers like last.

Summer of 2010 wasn't cool at all..

JJA10TDeptUS.png

 

 

Summer of 2009(My favorite summer ever!) was the cool one..

JJA09TDeptUS.png

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Summer of 2010 wasn't cool at all..

JJA10TDeptUS.png

 

 

Summer of 2009(My favorite summer ever!) was the cool one..

JJA09TDeptUS.png

 

I know, but with the storminess, it didn't feel too bad compared the last two.  I'm just stating my ideal summer, but I'd still take a repeat of 2010 over the alternatives.  Even though I do prefer storminess, I'll take an '09 as well.

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The only good thing about hot/dry summers is Lake Michigan is warmer for the kids at the beach.

 

Good thing about around here is if Lake Michigan is chilly, you can always find a milder smaller lake to swim in nearby.

 

---

 

I'll take a summer of 2009 again! We're getting our payback from last Morch.

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Good thing about around here is if Lake Michigan is chilly, you can always find a milder smaller lake to swim in nearby.

 

---

 

I'll take a summer of 2009 again! We're getting our payback from last Morch.

Lots of smaller lakes around here also, but the kids like the big lake better.

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Also a good blog post here on the upcoming severe season (Check the comments as well for some interesting thoughts).

 

http://theweathercentre.blogspot.ca/2013/03/2013-official-severe-weather-outlook.html

 

This looks a lot better than last year.  Unlike last year there is a deep snowpack over the Canadian prairies.  The only thing that concerns me is the southern plains are still awfully dry.  Need more precip over Kansas, Missouri, Nebraska, and Iowa to stop the dewpoints from mixing out upstream by the time they make it to IL, WI and MI.

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This looks a lot better than last year.  Unlike last year there is a deep snowpack over the Canadian prairies.  The only thing that concerns me is the southern plains are still awfully dry.  Need more precip over Kansas, Missouri, Nebraska, and Iowa to stop the dewpoints from mixing out upstream by the time they make it to IL, WI and MI.

 

Well that depends on where the moisture trajectory is primarily located, if you have more of a southerly or south-southwesterly flow, then you aren't necessarily advecting over the Plains. Keep in mind that the most severe drought is over the western Plain states.

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Well that depends on where the moisture trajectory is primarily located, if you have more of a southerly or south-southwesterly flow, then you aren't necessarily advecting over the Plains. Keep in mind that the most severe drought is over the western Plain states.

 

Yea, it depends on the situation.  I'm just concerned about the drought expanding east into Missouri like it did last year.  The western plains don't really matter for MI as moisture originating that far west has to flow downhill which generally doesn't happen except under a mid-summer death ridge which is unfavorable no matter what the soil conditions are over there.

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All I know is we need some rain and moisture proto. I was traveling down the north shore of lake Erie when to my astonishment I saw a island of sand where I have never seen low water. Even the small inlets leading to the lake are 80% dry where two years ago me and the kids took the small 12' alunimum boat down the river. Today a  good pair of boots would be all you need.

 

We must be 2' low this early in the season.... WOW !!

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That excellent Weather Centre severe wx blog is chilling to say the least for those of us here in the heartland as we anticipate an active and possibly dangerous April and May sv wx season.  And to have Greg Carbin, WCM at SPC also concur in the thinking only raises the ante.  Glad we have such dedicated pros and amateur enthusiasts on a board such as this to give a heads up to us weather weenies so we can get the word out well in advance to those in our areas of responsibility.

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Oh wow at Carbin's thoughts, that sent a shiver up my spine...not sure the last time I saw that kind of longer range warning from someone at the SPC.

Eric's most recent post would likely mean some very interesting happenings come April.

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Also a good blog post here on the upcoming severe season (Check the comments as well for some interesting thoughts).

 

http://theweathercentre.blogspot.ca/2013/03/2013-official-severe-weather-outlook.html

Most interesting. I am looking forward to severe weather season to see what that brings.  From what I read in that blog post, and, the comments attached, especially the one from the SPC in Norman, OK... it looks like it's gonna be a rough ride for parts of this subforum this spring. 

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0z Euro ensemble mean and GEFS mean 850 temperature anomalies at 192 hours. Good agreement. :axe:

Euro ENSM

3:11 0z Euro ENSM 192.gif

GEFS

3:11 0z GEFS 192.gif

GGEM has been closer to the GFS in this range. The Euro wants to blow up yet another Nor'Easter but has been inconsistent at that, certainly a wait and see though I do say the GFS has had a more consistent look to it in the long range.
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