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October 2012 Observations & Discussions


earthlight

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looks like the first real extended cool down of the season starts sunday - no 70 degree temps in site after saturday on the 6Z GFS for the next 16 days with the NAO forecasted to stay in neg territory

http://wxweb.meteost...shtml?text=KEWR

looks very 1976ish - even earlier if it holds where the last 70 degree reading that year was Oct 15th

scroll down on this to see the monthly calendar

http://www.wunderground.com/history/airport/KEWR/1976/10/15/MonthlyHistory.html?req_city=NA&req_state=NA&req_statename=NA

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looks like the first real extended cool down of the season starts sunday - no 70 degree temps in site after saturday on the 6Z GFS for the next 16 days with the NAO forecasted to stay in neg territory

http://wxweb.meteost...shtml?text=KEWR

looks very 1976ish - even earlier if it holds where the last 70 degree reading that year was Oct 15th

scroll down on this to see the monthly calendar

http://www.wundergro...eq_statename=NA

If it holds through the rest of the month I like 2002 as the better anlaog for this upcoming stretch. The 2002 switch occurred almost to the exact same day here in 2012!:

Ocotober 2002:

post-1344-0-28651700-1348865585_thumb.pn

October 2012 so far:

post-1344-0-65896800-1349447599_thumb.pn

The other thing I'd like to compare 2012 to 2002 is the look/setup in the GOA during this same stretch in October of 2002.

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Yeah, the mid-month pattern is starting to look more La Nina than El Nino with the EPO rising positive again

after the cool down. If the EPO stays positive to neutral for the rest of the month, then the cool departures

around the 13th will be the lowest for the whole month as the temperatures rebound after. It may be due

to the Nino peaking early in the Pacific as we head into a possibly neutral winter.

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1976 had a cooler September and August...

year........Aug...Sep...Oct...Nov...Dec...Jan...

1976......74.3...66.6...52.9...41.7...29.9...22.1

2012......76.7...68.8...

1981-

2010

average. 75.5...68.4...57.5...48.0...37.9...33.1

1976...

8/31...50 degrees ties the all time lowest temperature for August...61 was the lowest in 2012...

9/14...89 degrees...Highest September Temperature...91 in 2012...

9/23...47 degrees...Lowest September temperature...53 in 2012

10/8...73 degrees...Highest temperature for October...

10/19 34 degrees...near record low...

10/27 29 degrees...record low and one degree off the all time October low...max was 42...

10/28 29 degrees again...

11/9...24 degrees...Record low for the date...below normal from the 5th to 25th...

11/27 61 degrees...Highest for November...

11/30 17 degrees...27 degrees max...

12/3.....9 degrees...Record low for the date...

12/7...55 degrees...Highest for December...

12/14 12 degrees...record low for the date...

12/26 3.1" of snow...First measurable snowfall...

1/17....-2 degrees...record low for the date...

I don't see 2012-13 being as cold as 1976-77...

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1976 had a cooler September and August...

year........Aug...Sep...Oct...Nov...Dec...Jan...

1976......74.3...66.6...52.9...41.7...29.9...22.1

2012......76.7...68.8...

1981-

2010

average. 75.5...68.4...57.5...48.0...37.9...33.1

1976...

8/31...50 degrees ties the all time lowest temperature for August...61 was the lowest in 2012...

9/14...89 degrees...Highest September Temperature...91 in 2012...

9/23...47 degrees...Lowest September temperature...53 in 2012

10/8...73 degrees...Highest temperature for October...

10/19 34 degrees...near record low...

10/27 29 degrees...record low and one degree off the all time October low...max was 42...

10/28 29 degrees again...

11/9...24 degrees...Record low for the date...below normal from the 5th to 25th...

11/27 61 degrees...Highest for November...

11/30 17 degrees...27 degrees max...

12/3.....9 degrees...Record low for the date...

12/7...55 degrees...Highest for December...

12/14 12 degrees...record low for the date...

12/26 3.1" of snow...First measurable snowfall...

1/17....-2 degrees...record low for the date...

I don't see 2012-13 being as cold as 1976-77...

How cold was 2002-03 in relation to 1976-77?

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year........Aug...Sep...Oct...Nov...Dec...Jan...

1976......74.3...66.6...52.9...41.7...29.9...22.1

2002......77.7...70.2...55.2...46.0...36.0...27.5

2012......76.7...68.8...

1981-

2010

average. 75.5...68.4...57.5...48.0...37.9...33.1

I don't have 2002's dailies in front of me...I remember the early sleet we got on two consecutive evenings in late October 2002...

Aug max/min was 98/60...

Sep max/min was 91/54

Oct max/min was 84/36

Nov max/min was 68/24

Dec max/min was 60/19

Jan max/min was 50/7

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year........Aug...Sep...Oct...Nov...Dec...Jan...

1976......74.3...66.6...52.9...41.7...29.9...22.1

2002......77.7...70.2...55.2...46.0...36.0...27.5

2012......76.7...68.8...

1981-

2010

average. 75.5...68.4...57.5...48.0...37.9...33.1

I don't have 2002's dailies in front of me...I remember the early sleet we got on two consecutive evenings in late October 2002...

Aug max/min was 98/60...

Sep max/min was 91/54

Oct max/min was 84/36

Nov max/min was 68/24

Dec max/min was 60/19

Jan max/min was 50/7

Thank you! Very interesting. It will begin to get more interesting if October 2012 comes in between the 52.9-55.2 mark lol. Looking at December and January 1976 and I've got to think seeing something like that would be quite dramatic so I agree with you that 2012-13 being as cold as 1976-77 would be quite the feat.

By the way I used to have all this in a spreadsheet but it got erased from my thumb drive accidentally so thanks for taking the time to do it.

:)

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Coldest five day periods for October...

mean........dates.........max/min...

40.2...10/27-31/1925...56...29

41.2...10/18-22/1940...55...30

41.8...10/21-25/1889...51...32

42.6...10/18-22/1974...63...31

42.7...10/26-30/1876...55...34

43.0...10/26-30/1976...60...29

43.0...10/27-31/1936...56...28

43.5...10/15-19/2009...55...37

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The way its looking "currently" this winter may end up not being much better than the last. We all should know that can change quickly though. No GOA low again like last winter though, that was the kiss of death

To me this winter is highly uncertain, there is no clear ENSO signal. It's probably going to be very variable and highly dependent on short term features that we can barely predict for than 1-2 weeks out.

And given how things turned out last October to winter, it doesn't really matter what happens this month because it will mean absolutely nothing for the winter. The only thing that will really matter is how quickly the ice can refreeze and snowcover can build up north really, we got a lot of catching up to do.

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To me this winter is highly uncertain, there is no clear ENSO signal. It's probably going to be very variable and highly dependent on short term features that we can barely predict for than 1-2 weeks out.

And given how things turned out last October to winter, it doesn't really matter what happens this month because it will mean absolutely nothing for the winter. The only thing that will really matter is how quickly the ice can refreeze and snowcover can build up north really, we got a lot of catching up to do.

I heard in another forum that the eurasian snowcover (which is very important) is looking better.

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