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38 minutes ago, uofmiami said:

Manhattan microsites back up Central Park temp since winds were out of S mostly yesterday. Need that due W wind for the heat. 

 

31 minutes ago, FPizz said:

Why though?  I mean I get that wind direction matters as it does everywhere, but why doesn't the tree canopy that everyone bitches about every single day here care about west winds?  Does it blow the canopy open all of sudden?  The canopy should effect the site no matter what, but on west wind days NYC is sometimes the highest temp.  Maybe the tree canopy is overstated and it is really more about the winds.  I have noticed that some of the personal sites near NYC often match the temp, and I'm sure those aren't under trees, but that fact often gets ignored.

The downtown areas of Manhattan are cooler on a south wind off the Harbor. Midtown and Central Park are the warmest parts of the city since they are away from the water. The old NWS office near the Battery would always run cooler than Central Park. The Manhattan moseonet sites with in a few miles of the park were 98° yesterday. This is why Central Park was always warmer than LGA before the ASOS set up in 1995. The NJ mesonet does a great job measuring temperatures in park-like settings like New Brunswick. The sensor isn’t under the trees and the sensor with the radiation shield is out in the sun. Shift that sensor into the nearby wooded area under the trees like the newer location in Central Park and the temperature would be 3 to sometimes 5 degrees cooler. This is why temperatures were never officially measured underneath trees. In a wet pattern enhanced transpiration can have an even greater cooling effect. The issue in Central Park isn’t that it’s a park, it’s that the old site was out in the open and not underneath the trees. So on major 95°+ days before the 90s it was 3° to 5° warmer than it is now. It’s strictly a change in how they measure the temperature and not whether it’s a park or airport. Trying to compare the warm season high and data to before the change in 1995 is like comparing apples to oranges. Also the rain gauge is under the trees and errors in rainfall and rates occur. This is why they NWS tells their observers not to measure rainfall or temperature under trees at their official COOP sites. Plus the reason the highest Central Park wind gust in 1974 hasn’t been exceeded is the trees are growing around it reducing the wind measurement accuracy. So the Central Park temperature yesterday was at least 4° too low.
 

28th St. / Chelsea 98

 

 

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2 hours ago, SACRUS said:

 

GFS more prominent in building the Atlantic ridge in 7/24 - 26 with 500 MB height >594DM.  That should setup some stronger humidity  / heat potential.  Looks overall warm-hot and humid with more frequent rain chances.  Some of that heat building in the southwest may come east in spurts beyond the end of next week / 29th.

Pretty impressive heat closer to the drought areas before the heavy rains arrive.

 

 

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1 hour ago, Gravity Wave said:

I assume that these departures are specific to the summer given how the sun roasts everything? It would be interesting to see the winter version.

I think that’s the full year. I think it comes from a national study. You can click on the article and then go to the research.

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8 minutes ago, winterwx21 said:

The most widespread activity is supposed to be way later. HRRR has it around 8 to 9pm. Hopefully the majority of the area will get hit then. 

Hate that we have to play the waiting game and see if the radar lights up as the evening goes on. At least the conditions are there. Just need a nice soaker with some good thunder. Will pass on damaging winds and hail. I did well on Sunday afternoon and got in on one last night on northern end of that line so it might be my area's turn for the miss today.

Areas north of the city look like they will get multiple lines.

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17 minutes ago, uofmiami said:

Video of the Ambrose jet yesterday cranking along Long Beach

https://www.instagram.com/reel/C9hsHPNxlbs/?igsh=MTJzNmtkMzloZ3h1YQ==

Great video. That was actually from the severe storm in the evening. I was on the beach for a storm like that about 20 years and got sandblasted heading home. Thanks for posting as it was only a few blocks away from where I used to go to the beach.

 

 

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43 minutes ago, bluewave said:

Great video. That was actually from the severe storm in the evening. I was on the beach for a storm like that about 20 years and got sandblasted heading home. Thanks for posting as it was only a few blocks away from where I used to go to the beach.

 

 

Wow that was crazy and one of the more impressive T-storm wind events you’ll see there. Especially since the heart of that storm stayed off the beach, must have been outflow driven? 

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13 minutes ago, jm1220 said:

Wow that was crazy and one of the more impressive T-storm wind events you’ll see there. Especially since the heart of that storm stayed off the beach, must have been outflow driven? 

Yeah, they were on the northern edge and got the strong outflow.

IMG_0532.png.6641d31857abab79866e2d10e2ffe13c.png

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33 minutes ago, sn0w said:

Torrential rain here with lots of thunder/lightning...bit of wind. Just to the north by Carmel town hall looks like they got smoked based off radar.

1 mile S it was fun, .8 in less than 10 minutes. The HWY Dept station across the street from town hall had 1.2. The wind was good and definitely swirled around but it looks like there may have been a tornado about 3 or 4 miles N of me.

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