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October 2021


Stormlover74
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2 hours ago, donsutherland1 said:

I have never seen more than two.

It is considered the rarest rainbow of them all.

https://www.boredpanda.com/rare-quadruple-rainbow-double-rainbow-amanda-curtis-long-island-ny/?utm_source=google&utm_medium=organic&utm_campaign=organic

 

Yesterday, a woman in Long Island, NY named Amanda Curtis was lucky enough to capture the rarest rainbow of them all – a quadruple rainbow. Her incredibly rare photo, and the excitement it inspired among commenters when it went viral, called to mind the viral ‘Double Rainbow’ video by Paul Vasquez.

According to meteorologists, what Curtis actually saw was a double-double rainbow, but that doesn’t make it any less magical. National Oceanic and Atmospheric Administration (NOAA) research meteorologist Paul Neiman told the Washington Post that the second double rainbow resulted from the sun’s light reflecting off of a nearby body of water; “a large glassy-smooth water surface is required behind the observer. This smooth water surface reflects the sun, such that a second solar light source is generated. This reflected sun […] creates a second primary and secondary rainbow on the opposite side of the sky from the sun.”

 

 

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Morning thoughts…

It will partly to mostly sunny and milder today. High temperatures will likely reach the middle and upper 60s in most of the region. Likely high temperatures around the region include:

New York City (Central Park): 65°

Newark: 71°

Philadelphia: 69°

Normals:

New York City: 30-Year: 63.3°; 15-Year: 64.0°

Newark: 30-Year: 64.8°; 15-Year: 65.8°

Philadelphia: 30-Year: 66.0°; 15-Year: 66.6° 

It will turn noticeably milder tomorrow.

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6 hours ago, LibertyBell said:

It is considered the rarest rainbow of them all.

https://www.boredpanda.com/rare-quadruple-rainbow-double-rainbow-amanda-curtis-long-island-ny/?utm_source=google&utm_medium=organic&utm_campaign=organic

 

Yesterday, a woman in Long Island, NY named Amanda Curtis was lucky enough to capture the rarest rainbow of them all – a quadruple rainbow. Her incredibly rare photo, and the excitement it inspired among commenters when it went viral, called to mind the viral ‘Double Rainbow’ video by Paul Vasquez.

According to meteorologists, what Curtis actually saw was a double-double rainbow, but that doesn’t make it any less magical. National Oceanic and Atmospheric Administration (NOAA) research meteorologist Paul Neiman told the Washington Post that the second double rainbow resulted from the sun’s light reflecting off of a nearby body of water; “a large glassy-smooth water surface is required behind the observer. This smooth water surface reflects the sun, such that a second solar light source is generated. This reflected sun […] creates a second primary and secondary rainbow on the opposite side of the sky from the sun.”

 

 

An amazing rainbow.

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The next 8 days are averaging  58degs.(53/65), or +2.

Month to date is  64.6[+4.4].         Could be  63.2[+3.6] by the 27th.

Reached 60* yesterday.

Today:   64-67, w. wind, breezy, m. sunny.

See-Saw T regime with Wednesdays and Thursdays being in the 70's----this week, next week and into November.       In-between we get some BN stuff.      Little rain unless there is a blowup around 10/29---11/01---for the next two weeks.

49*(70%RH) here at 6am.     51* at 9am.      57* at Noon.     60* at 1pm.     65* at 3pm.     67* at 4pm.        Reached 69* near 5pm, for a full 20 degree swing.

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POU finally got down to 38°. 10-19  was the latest first 30s by 4 days. The 2010s average first 30s is 9-27. So this is more than a month later than the 1951-1980 average of 9-17.

 

https://www.wrh.noaa.gov/mesowest/timeseries.php?sid=KPOU&num=72&banner=gmap&raw=0&w=325


 

First/Last Summary for Poughkeepsie Area, NY (ThreadEx)
Each section contains date and year of occurrence, value on that date.
Click column heading to sort ascending, click again to sort descending.
Year
Last
Value
First
Value
Difference
1939 05-19 (1939) 39 10-15 (1939) 32 148
2018 05-01 (2018) 38 10-13 (2018) 38 164
1931 05-04 (1931) 34 10-11 (1931) 39 159
2015 05-14 (2015) 35 10-10 (2015) 39 148
2002 05-23 (2002) 36 10-08 (2002) 36 137
2011 05-08 (2011) 38 10-06 (2011) 36 150

 

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At or very close to our warmest fall on record so far. 
 

Time Series Summary for NEWARK LIBERTY INTL AP, NJ
Click column heading to sort ascending, click again to sort descending.
Rank
Ending Date
Mean Avg Temperature Sep 1 to Oct 18
Missing Count
1 2021-10-18 70.4 0
2 2005-10-18 69.6 0
- 1961-10-18 69.6 0
3 2017-10-18 69.1 0
4 1959-10-18 69.0 0
5 2007-10-18 68.8 0
6 1990-10-18 68.7 0
7 2018-10-18 68.5 0
- 1971-10-18 68.5 0
8 2011-10-18 68.0 0
- 1973-10-18 68.0 0
9 1983-10-18 67.9 0
10 2016-10-18 67.8 0
- 2015-10-18 67.8 0
- 1968-10-18 67.8 0


 

Time Series Summary for LAGUARDIA AIRPORT, NY
Click column heading to sort ascending, click again to sort descending.
Rank
Ending Date
Mean Avg Temperature Sep 1 to Oct 18
Missing Count
1 2007-10-18 71.2 0
- 2005-10-18 71.2 0
2 2021-10-18 70.7 0
3 2018-10-18 70.2 0
4 2016-10-18 70.0 0
5 2017-10-18 69.9 0
6 1959-10-18 69.8 0
7 1961-10-18 69.2 0
8 1990-10-18 69.0 0
9 2015-10-18 68.6 0
- 1941-10-18 68.6 0
10 2019-10-18 68.4 0


 

Time Series Summary for JFK INTERNATIONAL AIRPORT, NY
Click column heading to sort ascending, click again to sort descending.
Rank
Ending Date
Mean Avg Temperature Sep 1 to Oct 18
Missing Count
1 1971-10-18 68.9 0
2 2021-10-18 68.7 0
- 1961-10-18 68.7 0
- 1959-10-18 68.7 0
3 2017-10-18 68.6 0
- 2005-10-18 68.6 0
4 1983-10-18 68.4 0
5 2018-10-18 68.1 0
6 2015-10-18 67.9 0
7 2007-10-18 67.7 0
8 2016-10-18 67.2 0
9 2014-10-18 67.0 0
- 2011-10-18 67.0 0
- 1990-10-18 67.0 0
10 1970-10-18 66.8 0


 

Time Series Summary for ISLIP-LI MACARTHUR AP, NY
Click column heading to sort ascending, click again to sort descending.
Rank
Ending Date
Mean Avg Temperature Sep 1 to Oct 18
Missing Count
1 2021-10-18 67.4 0
2 2005-10-18 67.3 0
3 2017-10-18 67.1 0
4 2018-10-18 67.0 0
5 1990-10-18 66.4 0
6 2011-10-18 66.1 0
7 1980-10-18 66.0 0
8 2007-10-18 65.8 0
9 2015-10-18 65.5 0
10 1983-10-18 65.4 0


 

Time Series Summary for IGOR I SIKORSKY MEMORIAL AIRPORT, CT
Click column heading to sort ascending, click again to sort descending.
Rank
Ending Date
Mean Avg Temperature Sep 1 to Oct 18
Missing Count
1 2021-10-18 67.4 0
2 2017-10-18 67.2 0
3 2005-10-18 67.0 0
4 2018-10-18 66.9 0
5 2011-10-18 66.8 0
6 2016-10-18 66.6 0
7 1959-10-18 66.3 0
8 2007-10-18 66.1 0
- 1961-10-18 66.1 0
9 1971-10-18 65.9 0
10 2015-10-18 65.8 0
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23 minutes ago, psv88 said:

So after our one day “cool down” we are back to 75 mid week. 

If the right conditions are in place this winter the current warmth could add fuel to the fire. SSTs are at record highs. 

After Dec 2015's insane warmth we got the Jan blizzard. 

Big IF though and we'll need plenty of blocking.

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52 minutes ago, bluewave said:

At or very close to our warmest fall on record so far. 
 

Time Series Summary for NEWARK LIBERTY INTL AP, NJ
Click column heading to sort ascending, click again to sort descending.
Rank
Ending Date
Mean Avg Temperature Sep 1 to Oct 18
Missing Count
1 2021-10-18 70.4 0
2 2005-10-18 69.6 0
- 1961-10-18 69.6 0
3 2017-10-18 69.1 0
4 1959-10-18 69.0 0
5 2007-10-18 68.8 0
6 1990-10-18 68.7 0
7 2018-10-18 68.5 0
- 1971-10-18 68.5 0
8 2011-10-18 68.0 0
- 1973-10-18 68.0 0
9 1983-10-18 67.9 0
10 2016-10-18 67.8 0
- 2015-10-18 67.8 0
- 1968-10-18 67.8 0


 

Time Series Summary for LAGUARDIA AIRPORT, NY
Click column heading to sort ascending, click again to sort descending.
Rank
Ending Date
Mean Avg Temperature Sep 1 to Oct 18
Missing Count
1 2007-10-18 71.2 0
- 2005-10-18 71.2 0
2 2021-10-18 70.7 0
3 2018-10-18 70.2 0
4 2016-10-18 70.0 0
5 2017-10-18 69.9 0
6 1959-10-18 69.8 0
7 1961-10-18 69.2 0
8 1990-10-18 69.0 0
9 2015-10-18 68.6 0
- 1941-10-18 68.6 0
10 2019-10-18 68.4 0


 

Time Series Summary for JFK INTERNATIONAL AIRPORT, NY
Click column heading to sort ascending, click again to sort descending.
Rank
Ending Date
Mean Avg Temperature Sep 1 to Oct 18
Missing Count
1 1971-10-18 68.9 0
2 2021-10-18 68.7 0
- 1961-10-18 68.7 0
- 1959-10-18 68.7 0
3 2017-10-18 68.6 0
- 2005-10-18 68.6 0
4 1983-10-18 68.4 0
5 2018-10-18 68.1 0
6 2015-10-18 67.9 0
7 2007-10-18 67.7 0
8 2016-10-18 67.2 0
9 2014-10-18 67.0 0
- 2011-10-18 67.0 0
- 1990-10-18 67.0 0
10 1970-10-18 66.8 0


 

Time Series Summary for ISLIP-LI MACARTHUR AP, NY
Click column heading to sort ascending, click again to sort descending.
Rank
Ending Date
Mean Avg Temperature Sep 1 to Oct 18
Missing Count
1 2021-10-18 67.4 0
2 2005-10-18 67.3 0
3 2017-10-18 67.1 0
4 2018-10-18 67.0 0
5 1990-10-18 66.4 0
6 2011-10-18 66.1 0
7 1980-10-18 66.0 0
8 2007-10-18 65.8 0
9 2015-10-18 65.5 0
10 1983-10-18 65.4 0


 

Time Series Summary for IGOR I SIKORSKY MEMORIAL AIRPORT, CT
Click column heading to sort ascending, click again to sort descending.
Rank
Ending Date
Mean Avg Temperature Sep 1 to Oct 18
Missing Count
1 2021-10-18 67.4 0
2 2017-10-18 67.2 0
3 2005-10-18 67.0 0
4 2018-10-18 66.9 0
5 2011-10-18 66.8 0
6 2016-10-18 66.6 0
7 1959-10-18 66.3 0
8 2007-10-18 66.1 0
- 1961-10-18 66.1 0
9 1971-10-18 65.9 0
10 2015-10-18 65.8 0

If November is also a warmer than normal month, that should seal it as a 1st or 2nd warmest met fall ever. September was also way above normal

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Through October 18, Central Park has had a mean temperature of 64.6° (11th warmest). However, October 2021 would rank among the top 3 warmest starts to October without Central Park's trees issue.

https://www.americanwx.com/bb/topic/55633-october-2021/?do=findComment&comment=6145116

Using the regression equation noted in the linked post, the figure would be approximately 67.4° (3rd warmest) without the trees issue. Using the shorter 1948-2021 period, which reflects the period of record for numerous local stations, it would rank 2nd. A ranking of 3rd would be in line with what has occurred around the region.

Regional Ranking for Select Stations Record Length of 50 Years or More) and start of record:

Albany: 4th (1874)
Bridgeport: 5th (1948)
Islip: 3rd (1963)
New Brunswick: Tied 6th (1893)
New Haven: 1st (1948)
New York City-JFK: 4th (1948)
New York City-LGA: 5th (1939)
Newark: 2nd (1931)
Philadelphia: Tied 5th (1873)
Poughkeepsie: 2nd (1931)
White Plains: 6th (1948)

The biggest issue concerns artificially low maximum temperatures. The October 1-18 average high temperature at Central Park has been 70.3°. That is lower than the averages at both JFK Airport and LaGuardia Airport. In addition, on 16 of the 18 days (89%), Central Park registered the lowest maximum temperature or was tied with the lowest maximum temperature.

In sum, the neglect of the trees issue at Central Park is impairing the integrity of the climate record when the trees are leafed out.

 

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32 minutes ago, MJO812 said:

Cold and snowy but long range forecasts are moot.

Consensus is for a cold November but I hope we don't waste it.

I’m starting to very seriously doubt a cold November, in fact I think it’s another warmer than normal month. We have a strengthening, coupled La Niña in place and I don’t see any reason for the -PNA/+EPO/-PDO/-PMM/+SOI to let up. Even if a -NAO/-AO was to develop with a PAC like that, all it would do is trap the junk maritime Pacific air flooding into Canada. We would need a large scale full pattern change in the PAC and I just don’t see it happening by next month, it’s a stagnant pattern there

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