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4 hours ago, winterwarlock said:

hit 90 yesterday (my first of the season) to start my heatwave unofficially that will likely be 7-9 days

Maybe even a little longer than that. Doesn't look like much of a cooldown at all for early to mid next week. It appears we won't see any kind of halfway decent cooldown until the end of next week, so we could be looking at a 10 or 11 day heat wave here in NJ. 

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1 hour ago, psv88 said:

Did you look at the max temp column? High daily temperatures mean the max temp, not the hourly average temp. 

I did notice that, after I tripled checked the page.  Thanks.  I don't think I ever notice that column before.  Maybe because I was never looking?

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1 hour ago, bluewave said:

This is what it used to look like before the trees began to grow over the sensor and put it in on the shade since the 90s. There is no way NYC would have made it to 106° back in 1936 if they had the same tree coverage that do now. 
 

IMG_0186.thumb.webp.b7966d73d1bf9e33d5a230f42966c54e.webp

 

Probably not.  But also if we didn't cut down every tree and pave over everything, no way we have so many 90 degree days either.  

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15 minutes ago, FPizz said:

88 yesterday, 90 today so far.  

You didn't hit 90 yesterday? All the stations on my end of town were 90-92.

Mine isn't updating online for some reason, but working...

Definitely hotter so far today 

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52 minutes ago, FPizz said:

Probably not.  But also if we didn't cut down every tree and pave over everything, no way we have so many 90 degree days either.  

It’s not about cutting down trees or paving over everything. NYC is the only major station in a park or rural setting that placed the ASOS under trees in 1995. The New Brunswick station is a great example of how to place a weather station in a more suburban or rural setting. Notice how the trees are away from the thermometer and the equipment isn’t in the shade. NYC fundamentally changed how they measure temperature back in the 90s so it created a discontinuity in the long term climate record. I guarantee you if they placed the equipment on the great lawn instead the highs wouldn’t be that much different from Newark. Going by what NYC and Newark recorded with 90°days before the 90s, NYC would probably have 29 days reaching 90° each year vs 33 at Newark instead of the 17 of recent years. So the tree growth over the last 30 years has resulted in a reduction of around 12 days reaching 90° a year. You will also notice that the New Brunswick station even though there are trees and grass around has seen a steady increase in 90° days over the years. 
 

IMG_0187.jpeg.1a573f5be2130ef2f5e37e892b33378e.jpeg

 

IMG_0188.thumb.png.98ec96604352fa53488356a953f5b965.png

IMG_0182.thumb.png.c85de6564edb6d6de944e4daa0518fd5.png

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2 hours ago, bluewave said:

This is what it used to look like before the trees began to grow over the sensor and put it in on the shade since the 90s. There is no way NYC would have made it to 106° back in 1936 if they had the same tree coverage that do now. 
 

IMG_0186.thumb.webp.b7966d73d1bf9e33d5a230f42966c54e.webp

 

Very sketchy reading. Why was it 4F warmer in the park than at the Weather Bureau office in the city that day? Weird, the opposite of what you would expect from the UHI effect. It's also weird that they give precedence to the park's readings over the Weather Bureau readings. Very atypical, as most threaded records utilize the WB office readings.

image.png.a725efd71e8cf31f09c311d1e8327387.png

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3 minutes ago, bluewave said:

It’s not about cutting down trees or paving over everything. NYC is the only major station in a park or rural setting that placed the ASOS under trees in 1995. The New Brunswick station is a great example of how to place a weather station in a more suburban or rural setting. Notice how the trees are away from the thermometer and the equipment isn’t in the shade. NYC fundamentally changed how they measure temperature back in the 90s so it created a discontinuity in the long term climate record. I guarantee you if they placed the equipment on the great lawn instead the highs wouldn’t be that much different from Newark. Going by what NYC and Newark recorded with 90°days before the 90s, NYC would probably have 29 days reaching 90° each year vs 33 at Newark instead of the 17 of recent years. So the tree growth over the last 30 years has resulted in a reduction of around 12 days reaching 90° a year. You will also notice that the New Brunswick station even though there are trees and grass around have seen a steady increase in 90° days over the years. 
 

IMG_0187.jpeg.1a573f5be2130ef2f5e37e892b33378e.jpeg

 

IMG_0188.thumb.png.98ec96604352fa53488356a953f5b965.png

IMG_0182.thumb.png.c85de6564edb6d6de944e4daa0518fd5.png

So this proves that the NWS Central Park temperature measurements are not representing what was intended?  Obvioulsy you can't "move" the location, but they better modify it soon.  Why are they so stubborn?

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Anyways, I wouldn't get too worked up over one reading from 1936. The same people who blab on about "it's only summer" and cry about the shading color of the weather map would be saying the same thing about that summer. And, to be quite honest, I think they would have a point. They say it's the hottest summer on record, but this looks like a summer of yesteryear to me (outside of a 1-week hot stretch).

June 1936

Central Park

image.png.c3f131712be9c03e298d6de06503cd49.png

Weather Bureau Office

image.png.c1b9b3c2826cfeeb16f7bc489aeda8fb.png

July 1936

Central Park

image.png.ddd6cf9a482dcdadb73675f81dd5f560.png

Note: Excluding the 7 days from July 8 to July 14, the means are 83.1F/64.5F and 73.8F average for the other 24 days.

Weather Bureau Office

image.png.a276dc5d23e615c2b3ed99af03d4594a.png

August 1936

Central Park

image.png.da6dbe2ba4d4c64cc4f6b737985668e9.png

Weather Bureau Office

image.png.449302515555408f27538267d6554a3b.png

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20 minutes ago, TheClimateChanger said:

Very sketchy reading. Why was it 4F warmer in the park than at the Weather Bureau office in the city that day? Weird, the opposite of what you would expect from the UHI effect. It's also weird that they give precedence to the park's readings over the Weather Bureau readings. Very atypical, as most threaded records utilize the WB office readings.

image.png.a725efd71e8cf31f09c311d1e8327387.png

The 1936 record high in Central Park looks good to me. The WB office down near the Battery is subject to cooling breezes off NY Harbor. Open areas of the park where they used to measure temperature were traditionally one of the warmest spots around the area before the ASOS was located under the trees in 1995. Notice how many 104° to 106°readings there were back in July 1936. If we ever had a repeat of the dust bowl in this much warmer climate places other than the current NYC ASOS would easily go 110°+. 

Data for July 1, 1936 through July 31, 1936
Click column heading to sort ascending, click again to sort descending.
NJ PLAINFIELD COOP 106
NY NY CITY CENTRAL PARK WBAN 106
NY PORT JERVIS COOP 105
NJ ELIZABETH COOP 105
NJ JERSEY CITY COOP 105
NJ LITTLE FALLS COOP 105
NJ PATERSON COOP 105
NJ CHARLOTTEBURG RESERVOIR COOP 105
NY SCARSDALE COOP 105
NY BEDFORD HILLS COOP 105
NJ NEWARK LIBERTY INTL AP WBAN 104
NY FLUSHING COOP 104
NY WEST POINT COOP 104
NY MOUNT VERNON COOP 103
NY HICKSVILLE COOP 103
NY CARMEL COOP 103
CT WATERBURY ANACONDA COOP 103
CT WATERBURY CITY HALL COOP 103
NJ CANOE BROOK COOP 102
NY WORLD TRADE CENTER WBAN 102

 

 

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