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Early August Wx Discussion

Baroclinic Zone

By Baroclinic Zone,
in New England

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CapturedNature

CapturedNature

Posted
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You can try here...but it goes by site, so it won't have the old site's data on the same list:

 

http://www.wrcc.dri.edu/summary/ct_ma_riF.html

 

BDL starts in 1954. In a way its nice to look at though because you aren't splicing inhomogenous records together. The top two are 67.5 in 1957 and 67.7 in 1954. 68.1 in 1964, 68.9 in 1963 and 68.9 in 1987 round out the top 5.

 

I forgot about that one and I have that on my links page.  :arrowhead:

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powderfreak

powderfreak

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TOP TEN WARMEST AUGUSTS                                  TOP TEN COLDEST AUGUSTS
 
WINDSOR LOCKS , CONNECTICUT                            WINDSOR LOCKS,  CONNECTICUT 
 
1.   76.4 DEGREES IN 1973                                               1.   66.6 DEGREES IN 1927                
 
2.   75.2 DEGREES IN 2001,1939                                      2.   67.5 DEGREES IN 1957,1946       
 
3.   75.1 DEGREES IN 2005                                               3.   67.7 DEGREES IN 1954           
 
4.   74.6 DEGREES IN 1937                                               4.   68.0 DEGREES IN 1940,34,19
 
5.   74.5 DEGREES IN 1988                                               5.   68.1 DEGREES IN 1964            
 
6    74.3 DEGREES IN 2003                                               6.   68.2 DEGREES IN 1912,1905       
 
7.   74.2 DEGREES IN 1938                                               7.   68.6 DEGREES IN 1909   
 
8.   73.9 DEGREES IN 1955                                               8.   68.7 DEGREES IN 1915
 
9.   73.8 DEGREES IN 1970                                               9.   68.8 DEGREES IN 1910
 
10. 73.6 DEGREES IN 1998, 1959, 1928                         10.   68.9 DEGREES IN 1963,1921    
 
                                           1971-2000 30 YEAR MEAN = 71.6F

 

 

 

Just a passing observation that the last year that BDL set a top ten cold august was 1964... while there's been 4 top ten warm Augusts since 1998.

 

Did the observation site move or change or is it just that background "warmer" climate node that we've been in recently?  I mean a lot of those cold records are from a *long* time ago.

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CT Rain

CT Rain

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Just a passing observation that the last year that BDL set a top ten cold august was 1964... while there's been 4 top ten warm Augusts since 1998.

 

Did the observation site move or change or is it just that background "warmer" climate node that we've been in recently?  I mean a lot of those cold records are from a *long* time ago.

 

The records prior to 1954 were in East Hartford at Rentschler Field (near Pratt and Whitney) or for most of the time downtown. The site is in a more rural location and about 15 miles NNW of where it used to be. 

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CapturedNature

CapturedNature

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I like the tabular data on BOX's Website but they only have it through 2002.  Can't they have an intern or someone update that?

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nzucker

nzucker

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Just a passing observation that the last year that BDL set a top ten cold august was 1964... while there's been 4 top ten warm Augusts since 1998.

Did the observation site move or change or is it just that background "warmer" climate node that we've been in recently? I mean a lot of those cold records are from a *long* time ago.

Unlike Central Park (KNYC) where you have both urbanization and site movement issues, this appears to be simply the result of a warmer climate.

The globe has warned about 1F since the 1970s and more in the Northeast and more at night, especially winter minima. Can you see the trend towards more warming in winter and at night in BDL's data?

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CapturedNature

CapturedNature

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I have all sorts of random stuff from the NWS that they've sent me over the years that I update on my own

 

Ah yes, the ole manual update.  I used to have a clipboard with record highs and lows for BDL and as they would change I would update it.  That was 25 years ago and I guess technology has kept pace.

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ORH_wxman

ORH_wxman

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Just a passing observation that the last year that BDL set a top ten cold august was 1964... while there's been 4 top ten warm Augusts since 1998.

 

Did the observation site move or change or is it just that background "warmer" climate node that we've been in recently?  I mean a lot of those cold records are from a *long* time ago.

 

 

August has definitely been one of the months that has had a complete dearth of cold anomalies recently. The last top 10 cool August we had in the region was 1982. If you get more specific for individual sites, I think a few managed a top 10 coolest in 1987, but not for the region as a whole.

 

The backround warming has not been distributed evenly over all months. August is one that has seen its share of warmer months recently and a lack of cool ones. A month like October OTOH has seen a strong cooling trend in the past 100 years with only 1 top 10 warmest October in the past 40 years (2007)...so go figure that one out. :lol:

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CapturedNature

CapturedNature

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Unlike Central Park (KNYC) where you have both urbanization and site movement issues, this appears to be simply the result of a warmer climate.

The globe has warned about 1F since the 1970s and more in the Northeast and more at night, especially winter minima. Can you see the trend towards more warming in winter and at night in BDL's data?

 

The station itself has moved from one location to another at the airport.  There was a noticeable difference in how well they radiated after they moved it in 1990.  It changed again in 1996 and in 2009.  The present location is smack in the middle of the airport.

 

http://www.ncdc.noaa.gov/homr/#ncdcstnid=20004130&tab=LOCATIONS

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ORH_wxman

ORH_wxman

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The station itself has moved from one location to another at the airport.  There was a noticeable difference in how well they radiated after they moved it in 1990.  It changed again in 1996 and in 2009.  The present location is smack in the middle of the airport.

 

http://www.ncdc.noaa.gov/homr/#ncdcstnid=20004130&tab=LOCATIONS

 

 

That's a very useful site. The change in radiational cooling after 1990 is interesting. That would obviously affect low temperatures.

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CapturedNature

CapturedNature

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That's a very useful site. The change in radiational cooling after 1990 is interesting. That would obviously affect low temperatures.

 

I don't have anything empirical to back that up at the moment but I wasn't the only one that noticed it.  It was early in the GW debate and remember a colleague joking that was the reason why some morning readings weren't as low as they had been or something like that.

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ORH_wxman

ORH_wxman

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Here's ORH airport with the change in location of their ASOS in 2009:

 

ORHairport.png

That is epic...the new location is marked with the "1" and the old location is the "2". They moved the ASOS to a worse location surrounded by concrete and also just southwest of the control tower which will contaminate the wind readings.

Pretty much an epic fail from a siting standpoint. :lol:

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CT Rain

CT Rain

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Here's ORH airport with the change in location of their ASOS in 2009:

 

ORHairport.png

That is epic...the new location is marked with the "1" and the old location is the "2". They moved the ASOS to a worse location surrounded by concrete and also just southwest of the control tower which will contaminate the wind readings.

Pretty much an epic fail from a siting standpoint. :lol:

 

Wow - how silly is that. BDL's site is pretty good IMO - quite far from obstructions and in an open field. 

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ORH_wxman

ORH_wxman

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Wow - how silly is that. BDL's site is pretty good IMO - quite far from obstructions and in an open field.

 

Yeah BDL is in the least affected part of the airfield which is where ideally all of them should be. It is pretty staggering to me they would move the ORH site from a pretty good location on the airfield to just about the worst location you could put it without being actually on the concrete. It really makes no sense whatsoever.

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powderfreak

powderfreak

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August has definitely been one of the months that has had a complete dearth of cold anomalies recently. The last top 10 cool August we had in the region was 1982. If you get more specific for individual sites, I think a few managed a top 10 coolest in 1987, but not for the region as a whole.

 

The backround warming has not been distributed evenly over all months. August is one that has seen its share of warmer months recently and a lack of cool ones. A month like October OTOH has seen a strong cooling trend in the past 100 years with only 1 top 10 warmest October in the past 40 years (2007)...so go figure that one out. :lol:

 

Interesting, I didn't know that about October but it makes sense.  I don't think of October as a torch month, but I do with August.  In my mind I have a few months of the year that just seem to run warm because of recent weather patterns.  August has been one that just seems to be a hot month more than its not. 

 

March/April lately also seem to have some sort of background warm signal to them, although I don't want to use the term Morch or even go into that too much, lol.  Luckily last March up here featured a good cold snap and 18" of snow from the 15th-25th but even this March finished near +2F at BTV and +1.5F at MVL up here.... though I know that was a below normal month in SNE with pretty darn solid snowfall from the 7-8th event and again 19-20th. 

 

I'm not sure when the last below normal March was up here... Mar 2011 was close but maybe 2007?

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powderfreak

powderfreak

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Here's ORH airport with the change in location of their ASOS in 2009:

 

ORHairport.png

That is epic...the new location is marked with the "1" and the old location is the "2". They moved the ASOS to a worse location surrounded by concrete and also just southwest of the control tower which will contaminate the wind readings.

Pretty much an epic fail from a siting standpoint. :lol:

 

Why'd they move it to the parking lot?

 

What's the main reason for moving an ASOS?  New construction or just easier access to it for maintenance? 

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ORH_wxman

ORH_wxman

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Why'd they move it to the parking lot?

 

What's the main reason for moving an ASOS?  New construction or just easier access to it for maintenance? 

 

I haven't the slightest clue why they moved it...but its obviously in a much worse location than the previous spot which was much more out in the open away from artificial heat sinks and the control tower (for better wind readings). Its pretty sad actually that in an era where we have better technology/understanding that we put a weather station in a worse spot than previously.

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powderfreak

powderfreak

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I haven't the slightest clue why they moved it...but its obviously in a much worse location than the previous spot which was much more out in the open away from artificial heat sinks and the control tower (for better wind readings). Its pretty sad actually that in an era where we have better technology/understanding that we put a weather station in a worse spot than previously.

 

It is interesting that the webpage doesn't list a reason for changing the site.  You'd think that'd be a nice note to have. 

 

That website about the locations is awesome though... I've been looking at a bunch of the VT COOP locations.  There are a few that are just in some sick weenie locations. 

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nzucker

nzucker

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Interesting, I didn't know that about October but it makes sense. I don't think of October as a torch month, but I do with August. In my mind I have a few months of the year that just seem to run warm because of recent weather patterns. August has been one that just seems to be a hot month more than its not.

March/April lately also seem to have some sort of background warm signal to them, although I don't want to use the term Morch or even go into that too much, lol. Luckily last March up here featured a good cold snap and 18" of snow from the 15th-25th but even this March finished near +2F at BTV and +1.5F at MVL up here.... though I know that was a below normal month in SNE with pretty darn solid snowfall from the 7-8th event and again 19-20th.

I'm not sure when the last below normal March was up here... Mar 2011 was close but maybe 2007?

I've actually thought of July as the hottest summer month because NYC has had huge positive departures in 2013, 2012, 2011, and 2010 (20 straight days with 70F minimums in '10 and high of 104F in '11). However we have had some real cool Julys like 2009 and 2000 whereas I think August moderated those months. I remember August '08 was pretty chilly especially later in the month when we had a low of 50F one night.

October has had some great cold...the 10/29 snowstorm that dumped 10" here and 25" where I was in NH. That month was above average but Oct '09 was cold. Oct '08 had a big interior snowstorm as well and I think finished below average in many areas.

March has actually been colder than many think. March 2013, 2011, 2009, 2008 were all cold here. The torches were epic though: '10 was like +6 and '12 like +8 for NYC. It's really noticeable when March is warm because you see the early emergence of spring. We finally broke the streak of bad Marches as Dobbs Ferry had 15" snow and was -2.5F for temps this year. February was -1.5F so that was rare back to back cold months.

I think our biggest torch months recently have been April and November. When was the last below average April for the entire Northeast? 2007? November was a torch in 2006, 2008, 2009, 2010, and 2011. It wasn't until this past Novrmber we got cold.

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