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July 2020 General Discussions & Observations Thread


Rtd208
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Wantage (southern part). Max 91.4.  Currently 91/73 at 5PM.  on SVR for Monday...  think SPC did right cutting back on nw extent in our area. No topic at this time.  Think it could go big near I80 south between 2-5P and then out of NYC forum by 8P.  might start up here in nw NJ/se NYS as isolated thundershowers and grow in the more favorable environment I80 south some time around 2 or 3P.  

Meanwhile, leftover severe remnants from the POH Valley NYS/PA  seem destined to die se NYS/extreme nw NJ as showers/iso thunderbetween 2A-5A  Monday. 

Will comment in the morning based on SPCD1 etc. 

Enjoy the heat and cooling breezes!  503P/19

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On 7/18/2020 at 6:06 PM, jm1220 said:

I drove down to Long Beach today and the humidity here made it feel even worse despite it being cooler. That’s how it works-it might be cooler down here in these heat waves but the humidity mitigates it and today then some. The water’s plenty warm too because of the onshore flow all this time-no upwelling. 

thats exactly what I'm saying- I heartv  mets say ohh long island has the sea breeze and they get jealous as if it's 75 here or something.  The "sea breeze" here isn't much better than it is in the Louisiana swamps and smells just as bad......

 

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On 7/18/2020 at 6:12 PM, bluewave said:

These ocean temperatures near 80°have become the norm in recent years.
 


NY Harb Entrance 2150               78  

 

But those water temps are only near the surface, I think some are under the mistaken impression that we can get Cat 4/5 hurricanes like areas further south can.  The warm water extends to much deeper depths down there and upwelling here means those warm ocean temps dont last very long.  As a matter of fact, a nice hot land breeze actually means more upwelling and cooler sea surface temps and a yucky humid breeze from the SE is what makes the sst warmer and yet the coast cooler.

The strength of oncoming tropical cyclones around here has much more to do with the overall pattern and the speed of the oncoming storm rather than how warm or cool the sst are.

 

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On 7/17/2020 at 9:55 AM, donsutherland1 said:

Three warmest 4-Site Averages (JFK-LGA-NYC-EWR) for June-August:

1. 78.3, 2010
2. 77.4, 2016
3. 77.0, 2005

2010 agrees well with my own observations that it was our hottest summer EVER :-)

However I found both 2016 and 2005 to be lackluster because of lack of 100 degree temps on the coast.

I have my own list for the hottest summers and these are them in chronological order:

1991

1993

1999

2010

2011

honorable mention goes to  1983 and 1995 and 2002.

I find the number of 90 degree days and number of 100 degree days to be more important than avg temps when I gauge which summers are the "hottest."

That 10 day streak of 90+ and 3 straight 100+ in July 1993 really stand out to me as the hottest weather I've ever experienced here.

The streak of 3 days out of 4 at 100+ at JFK in 2010 comes close, but that was a drier (nicer) heat.

Overall though 2010 > 1993 and they are both in my short list for hottest summers.

If I had to go back in time I'd say 1966 belongs on this list too, possibly second only to 2010 for its streak of 100+

And 1953 because of that record streak of 90+ and 100+ in late August and September!

 

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On 7/17/2020 at 6:01 AM, wdrag said:

I think the data is not tainted if foliage is similar over the years.  I don't want to get into the weeds on this, but CP has a problem if indeed it has become overgrown like this. Fortunately we have many other sites nearby with period of record beyond 50 years.  I think Blue Hill has handled it thoughtfully well to keep the record relatively intact, as in it's beginnings. 

Yes, it seems like things changed after the 90s, before then NYC was fairly consistent with the rest of the area with its 90+ numbers.

 

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39 minutes ago, LibertyBell said:

2010 agrees well with my own observations that it was our hottest summer EVER :-)

However I found both 2016 and 2005 to be lackluster because of lack of 100 degree temps on the coast.

I have my own list for the hottest summers and these are them in chronological order:

1991

1993

1999

2010

2011

honorable mention goes to 1995 and 2002.

I find the number of 90 degree days and number of 100 degree days to be more important than avg temps when I gauge which summers are the "hottest."

That 10 day streak of 90+ and 3 straight 100+ in July 1993 really stand out to me as the hottest weather I've ever experienced here.

The streak of 3 days out of 4 at 100+ at JFK in 2010 comes close, but that was a drier (nicer) heat.

Overall though 2010 > 1993 and they are both in my short list for hottest summers.

If I had to go back in time I'd say 1966 belongs on this list too, possibly second only to 2010 for its streak of 100+

And 1953 because of that record streak of 90+ and 100+ in late August and September!

 

70° minimums have been more impressive than 90° maximums at JFK since the record dew point surge began with the 2015-2016 super El Niño.

A9FCE842-F249-4935-B7AF-6C9A928C8FF8.png.96382f1f5827558cc056dec94f388eb4.png

Time Series Summary for JFK INTERNATIONAL AIRPORT, NY - Jan through Dec
Click column heading to sort ascending, click again to sort descending.
Rank
Year
Number of Days Min Temperature >= 70 
Missing Count
1 2016 55 0
2 2015 53 0
3 2010 51 0
4 2018 49 0
5 2012 48 0
- 1983 48 0
6 1980 47 0
- 1971 47 0
7 1984 46 0
8 2013 44 0
- 1999 44 0
9 2005 40 0
- 1995 40 0
- 1981 40 0
- 1970 40 0
10 2011 39 0
- 1969 39 0
11 2019 38 0
- 1961 38 0
Time Series Summary for JFK INTERNATIONAL AIRPORT, NY - Jan through Dec
Click column heading to sort ascending, click again to sort descending.
Rank
Year
Number of Days Max Temperature >= 90 
Missing Count
1 2010 32 0
2 1983 26 0
3 2002 21 0
4 1971 18 0
5 2005 17 0
- 1991 17 0
6 2012 16 0
7 2016 15 0
- 1995 15 0
- 1961 15 0
8 1999 14 0
- 1988 14 0
- 1966 14 0
9 2011 13 0
- 1993 13 0
- 1984 13 0
- 1977 13 0
- 1970 13 0
- 1969 13 0
- 1963 13 0
10 2015 12 0
- 2006 12 0
- 2003 12 0
- 1978 12 0
- 1968 12 0
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28 minutes ago, bluewave said:

70° minimums have been more impressive than 90° maximums at JFK since the record dew point surge began with the 2015-2016 super El Niño.

A9FCE842-F249-4935-B7AF-6C9A928C8FF8.png.96382f1f5827558cc056dec94f388eb4.png

Time Series Summary for JFK INTERNATIONAL AIRPORT, NY - Jan through Dec
Click column heading to sort ascending, click again to sort descending.
Rank
Year
Number of Days Min Temperature >= 70 
Missing Count
1 2016 55 0
2 2015 53 0
3 2010 51 0
4 2018 49 0
5 2012 48 0
- 1983 48 0
6 1980 47 0
- 1971 47 0
7 1984 46 0
8 2013 44 0
- 1999 44 0
9 2005 40 0
- 1995 40 0
- 1981 40 0
- 1970 40 0
10 2011 39 0
- 1969 39 0
11 2019 38 0
- 1961 38 0
Time Series Summary for JFK INTERNATIONAL AIRPORT, NY - Jan through Dec
Click column heading to sort ascending, click again to sort descending.
Rank
Year
Number of Days Max Temperature >= 90 
Missing Count
1 2010 32 0
2 1983 26 0
3 2002 21 0
4 1971 18 0
5 2005 17 0
- 1991 17 0
6 2012 16 0
7 2016 15 0
- 1995 15 0
- 1961 15 0
8 1999 14 0
- 1988 14 0
- 1966 14 0
9 2011 13 0
- 1993 13 0
- 1984 13 0
- 1977 13 0
- 1970 13 0
- 1969 13 0
- 1963 13 0
10 2015 12 0
- 2006 12 0
- 2003 12 0
- 1978 12 0
- 1968 12 0

I wonder if we'll get the much needed turnaround next summer?  If any summer can do it, it'll be next year's.

 

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