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July Discussion


HimoorWx

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Without looking I think I'm running about 80/60 so far and my July avg is about 79/57.

Assuming I hit about 76F today, I'm running +0.2F/+2.4F/+1.3F compared to my July norm through 7/20. I don't expect those numbers to change too much between now and the month's end.

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Hey Powederfreak,

 

I wish that NWS Boston would put up climate sheets for BTV to CAR, like they do for SNE (but that would be outside their purview of course... heh), because I have a sneakin' suspicion that while HFD and ORH are light to moderately positive bias in temperatures so far for July, those northern sites might be closer to neutral.   

 

Just a hunch ...oh wait!  Ha, BTV's office does do those sheets!  sweet.   Annnywho, looks like my suspicions are "partially" confirmed.  Looks like heat in the first 3 days of July are skewing the N locales a good bit.  Remove those three days and BTV and CAR are modestly less than +1 above normal... Unnfortunately, though, we do not have that luxury of removing data from data sets... In intellectual circles we call that fudging the numbers (aka, cheating...).  So, including those enormous positive anomalies puts up +3.36 so far for CAR (that's getting impressive)...  and a little more than +2 for BTV.

 

By the way, HFD (CT) confirmed a heat wave over the 1st - 3rd.  Hmm. Didn't know that.   Anyway, for some reason I remember this, but Scott mentioned it a couple weeks ago in passing, that it is interesting to be AN with so few 90 deg readings.  I'll further that sentiment by saying it is interesting to do so, in general, with a persistent +PNAP pattern orientation.   

 

 

July as a whole seems to be progressing temp-wise (so far) along the lines of 2003 and more so 2008 with minimal 90 degree heat and the minor positive departures from NYC into New England.  The further east you get and closer towards the WAR influences, the warmer the departures.    August went warmer in 2003 but no real prolonged heat while 2008 trended cooler as a whole.  I guess it will ultimately come down to the influences of the WAR.  Seeing some hints that the WAR may build west in the 8/1 - 8/3 period.

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Interesting ... so you have ur only little sort of dubious consideration with temperature averages, using BTV.    I don't even use Boston any more for landscaping the averages for SNE.  HFD and ORH, while accounting for 1,000ft elevation as much as once can.  

 

BTV up here is still the main climo site with a record period dating back to 1882...but other stations are now getting to that 30-year climo period so they can be used. 

 

But yeah, as we've discussed in the NNE thread and in the main thread at times over the past year or so, BTV is usually the "warm" outlier for whatever reason.  Someone posted a graphic last fall showing that BTV has averaged like +2.5F over the past 6 years, and was one of (if not the) warmest departures in New England over that time.  BTV would be one of those stations someone would pick to go into a global warming debate, given the recent warm anomalies persisting over years, and given BTV's long record period.

 

As if they are paying attention...this was just posted to the BTV Facebook page...for the MET summer so far, BTV definitely the higher climo site.

 

1555293_693209360750968_7221605845787522

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all kinds of business being conducted today in the CT River valley, brochure pictures being snapped by the hundreds, city officials giving tours, Tourist centers overwhelmed. Chambermen and women as far as the eye can see. ASOUT

CITY SKY/WX TMP DP RH 
BRADLEY INTL MOSUNNY 79 53 

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Businessmen abandoned us this weekend, Coc streak broken. Overcast cancels COC.

 

 

Epic COC today. Just got back from VT with wall-to-wall sun here and 78/59 on the Davis. 

 

Returned from DC to the same COC we've come to expect every weekend this summer.  Pool had cooled down considerably over the past several days--have fired up the heater.

 

71.5/56 at 1:00p.m. on 7/20.  The chamber says "bottle it up".

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BTV up here is still the main climo site with a record period dating back to 1882...but other stations are now getting to that 30-year climo period so they can be used. 

 

But yeah, as we've discussed in the NNE thread and in the main thread at times over the past year or so, BTV is usually the "warm" outlier for whatever reason.  Someone posted a graphic last fall showing that BTV has averaged like +2.5F over the past 6 years, and was one of (if not the) warmest departures in New England over that time.  BTV would be one of those stations someone would pick to go into a global warming debate, given the recent warm anomalies persisting over years, and given BTV's long record period.

 

Just can't radiate at BTV anymore. But its the longest site, most reliable, and also where most live so it should be referenced the most in the region (NNY and VT).

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Just can't radiate at BTV anymore. But its the longest site and also where everyone lives so it should be referenced the most in the region (NNY and VT).

Has it been in the same place? Have buildings , asphalt gone up around it or is it pretty much the same instrumentation, siting wise?

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Has it been in the same place? Have buildings , asphalt gone up around it or is it pretty much the same instrumentation, siting wise?

 

It moved from downtown in the 1940's to its present location at the airfield. Other than that change there's been no other changes. Now, the Champlain Valley itself has undergone jumps in population and development so there are likely some urban heat island effects.

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It moved from downtown in the 1940's to its present location at the airfield. Other than that change there's been no other changes. Now, the Champlain Valley itself has undergone jumps in population and development so there are likely some urban heat island effects.

Thanks I was looking at Google Sat pics couldn't find it

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BOX on it and what Euro depicts and what Tippy was saying..south , humid flow..Suits remaining in closest with moth balls

 

NEXT WEEKEND...LONG WAVE TROUGH SETS UP OVER THE GREAT LAKES ALONG
WITH WITH SURFACE LOW PRES. THIS WILL SHIFT THE LOW LEVEL FLOW TO
THE SSW RESULTING IN A WARMER MORE HUMID TREND. BY SUNDAY THE MID
LEVEL TROUGH AND SURFACE LOW PRES FROM THE GREAT LAKES ADVECTS
CLOSER TO NEW ENGLAND...YIELDING MORE CYCLONIC FLOW AND AN INCREASE
CHANCE OF SHOWERS/T-STORMS.

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Just can't radiate at BTV anymore. But its the longest site, most reliable, and also where most live so it should be referenced the most in the region (NNY and VT).

Yeah it's period of record is certainly the most impressive. I would agree with you without looking at any hard data, but my guess the recent warmth at that station is a result of minimum temperatures differences, not increased afternoon warmth.

It just really doesn't cool off at BTV easily. But I actually think the airfield would be better radiating than downtown...which is pretty much an urban hillside.

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Totally perfect afternoon today for this time of year.  Sky mostly clear, DPs mixed out, upper 70s/low 80s over mid 50s, bit of a breeze and not buggy.  Salvaged the weekend after a mediocre at best day yesterday.  Quabbin will be picture perfect this evening, heading there now.  Torturous you can't swim though, feels like a Hades style punishment with that crystal clear water.  Wish you eastern MA folks would discover some hidden aquifer or something.

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Any place thAt radiates should not be used as an official Asos. 95% of the surrounding areas aren't that cold

Huh? You do realize that more people live in valleys (which are better radiators than hilltops) than up on exposed hilltops.

Like up here, I feel that MVL is a great radiator but also is a good representation of the climate in this area where most people live...in the mountain valleys between like 600-1,000ft elevation.

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Any places that are in valleys that get warmer than higher elevations should not be used as an official ASOS.

 

actually...they should all be used as ASOS.  Just because someplace radiate well or not, doesn't mean their temperature is less valid. It is what it is, and is real.   

 

Where I draw the boundary is Logan, though - yes that temperature is relevant and real, but relative to a marine climate.  I don't have any problem picking various samples in different locations over land to represent land-based readings though.  People live in valleys that radiate, they have a right know their temp ... climate.

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Yeah it's period of record is certainly the most impressive. I would agree with you without looking at any hard data, but my guess the recent warmth at that station is a result of minimum temperatures differences, not increased afternoon warmth.

It just really doesn't cool off at BTV easily. But I actually think the airfield would be better radiating than downtown...which is pretty much an urban hillside.

 

That's correct. While there's departures in both the max and mins, the most significant (quite remarkable actually) are in the mins. It's a feat to get BTV significantly below zero now and a regular occurrence during hot summer days to not get below 70F at night. Just doesn't radiate that well. Of course a lot of it also has to do with south winds, which keeps the boundary layer mixed. But that shouldn't have changed over the years. These warmer mins though are seen at most climate sites around the country too, which is tied to global warming, but I won't start that debate here.

 

And yeah you'd be closer to the lake too. From personal observation, downtown is regularly 3-5 degrees warmer than at the airfield at night as it is. And on the lake sometimes 5-10F (CRF).

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actually...they should all be used as ASOS. Just because someplace radiate well or not, doesn't mean their temperature is less valid. It is what it is, and is real.

Where I draw the boundary is Logan, though - yes that temperature is relevant and real, but relative to a marine climate. I don't have any problem picking various samples in different locations over land to represent land-based readings though. People live in valleys that radiate, they have a right know their temp ... climate.

Perfectly stated

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actually...they should all be used as ASOS.  Just because someplace radiate well or not, doesn't mean their temperature is less valid. It is what it is, and is real.   

 

Where I draw the boundary is Logan, though - yes that temperature is relevant and real, but relative to a marine climate.  I don't have any problem picking various samples in different locations over land to represent land-based readings though.  People live in valleys that radiate, they have a right know their temp ... climate.

 

John--my comment was in response to Kevin's that radiating places shouldn't be used.  I was not seriously suggesting it. 

 

The temps are what they are.

 

67.1/61

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