bluewave

It all depends on how you define extreme heat. Newark set a June all-time maximum temperature of 103°. LGA had the 2nd highest June maximum temperature at 100°. ISP recorded the 2nd highest number of 90° days for August. Time Series Summary for NEWARK LIBERTY INTL AP, NJ - Month of Jun Click column heading to sort ascending, click again to sort descending. Rank Year Highest Max Temperature Missing Count 1 2021 103 0 2 2011 102 0 - 1994 102 0 - 1993 102 0 - 1952 102 0 - 1943 102 0 3 1988 101 0 - 1966 101 0 4 1959 100 0 - 1953 100 0 - 1934 100 0 Time Series Summary for LAGUARDIA AIRPORT, NY - Month of Jun Click column heading to sort ascending, click again to sort descending. Rank Year Highest Max Temperature Missing Count 1 2017 101 0 - 1952 101 0 2 2021 100 0 - 2008 100 0 Time Series Summary for ISLIP-LI MACARTHUR AP, NY - Month of Aug Click column heading to sort ascending, click again to sort descending. Rank Year Number of Days Max Temperature >= 90 Missing Count 1 1980 8 0 2 2021 7 4 - 2016 7 0 - 2005 7 0

Just be happy that you guys have never had to deal with the traffic lights in Long Beach. https://patch.com/new-york/longbeach/nassau-has-some-new-yorks-worst-intersections-report NASSAU COUNTY, NY — A report released last month by an analytics firm found that Nassau County is home to some of the worse traffic intersections in the state. Long Island drivers routinely lose thousands of hours every day stuck at these lights, the report found. The report was a study conducted by INRIX, a Washington state-based company that studies traffic and transit patterns. The company released the U.S. Signals Scorecard, which it says is the first nationwide analysis of individual traffic lights and intersections. The company analyzed GPS data from cars from Oct. 4 through 10, 2020 to complete the report. It used anonymous GPS data from cars and smart phones to find how many cars stopped at the more than 210,000 intersections it profiled, and how long the cars remained there. INRIX studied 18,560 signals in New York — the second-most in the country. It found that Nassau County ranked fourth in the number of traffic signals in the state, after Kings, Queens and New York counties. The study found that the second-worst intersection in the state is located in Long Beach, where Long Beach Boulevard meets East Park Avenue. In total, drivers at the intersection lose, on average, 1,046 hours per day waiting at the light. The intersection also had more stops than any other in the state, with more than 69,000. For comparison, the worst intersection is Atlantic Avenue and Fourth Avenue in Brooklyn, where the average time lost is 1,086 hours. In fact, Nassau County has five of the top 10 worst intersections in the state — more than any other county. Here at the 10 worst intersections in the state, according to INRIX. Atlantic Avenue and Fourth Avenue, Kings County: 1,086 daily hours lost. Long Beach Boulevard and East Park Avenue, Nassau County: 1,046 daily hours lost. Pennsylvania Avenue and Atlantic Avenue, Kings County: 979 daily hours lost. Tillary Street and Flatbush Avenue, Kings County: 938 daily hours lost. North Hempstead Turnpike and Glen Cove Road, Nassau County: 926 daily hours lost. Major Deegan Expressway and E 128th Street, Bronx County: 821 daily hours lost. Thomson Avenue and Van Dam Street, Queens County: 789 daily hours lost. Searingtown Road and Northern Boulevard, Nassau County: 756 daily hours lost. West Sunrise Highway and South Central Avenue, Nassau County: 750 daily hours lost. North Wantagh Avenue and Hempstead Turnpike, Nassau County: 748 daily hours lost.

5th consecutive year with pronounced mid to late August extent loss slowdown before picking up the pace ahead of the September minimum.

Last year Newark had its last 90° in August. But that was the exception rather than the rule since 2010. Most years we have had 90° days after September 1st. First/Last Summary for NEWARK LIBERTY INTL AP, NJ Each section contains date and year of occurrence, value on that date. Click column heading to sort ascending, click again to sort descending. Year First Value Last Value Difference Minimum 04-07 (2010) 08-08 (2011) 69 Mean 05-22 09-10 110 Maximum 06-17 (2014) 10-02 (2019) 170 2020 06-06 (2020) 91 08-27 (2020) 93 81 2019 05-26 (2019) 90 10-02 (2019) 96 128 2018 05-02 (2018) 90 09-06 (2018) 98 126 2017 05-17 (2017) 92 09-25 (2017) 90 130 2016 05-25 (2016) 91 09-23 (2016) 90 120 2015 05-25 (2015) 90 09-09 (2015) 91 106 2014 06-17 (2014) 91 09-06 (2014) 95 80 2013 05-30 (2013) 93 09-11 (2013) 96 103 2012 05-28 (2012) 91 09-07 (2012) 90 101 2011 05-30 (2011) 92 08-08 (2011) 93 69 2010 04-07 (2010) 92 09-25 (2010) 90 170

Monday may be the best chance for Newark to reach 40 days of 90° temperatures before the cooldown. Time Series Summary for NEWARK LIBERTY INTL AP, NJ - Jan through Dec Click column heading to sort ascending, click again to sort descending. Rank Year Number of Days Max Temperature >= 90 Missing Count 2010 54 0 1993 49 0 1988 43 0 2002 41 0 - 1991 41 0 2016 40 0 - 1983 40 0 - 1959 40 0 2021 39 126 - 1994 39 0 - 1944 39 0

Updated for 3.39 at Bayport, NY Station Number: NY-SF-125 Station Name: Bayport 1.0 SSE Observation Date 8/28/2021 7:00 AM Submitted 8/28/2021 6:29 AM Total Precip Amount 3.39 in.

Currently the 2nd wettest summer in NYC. 3rd wettest and 4th warmest at Newark. So extremes of warm and wet in our more subtropical climate. Time Series Summary for NY CITY CENTRAL PARK, NY - Jun through Aug Click column heading to sort ascending, click again to sort descending. Rank Year Total Precipitation Missing Count 1 2011 25.23 0 2 2021 24.03 4 3 1975 22.40 0 4 1989 22.36 0 5 2009 21.38 0 6 2006 20.79 0 7 2007 20.62 0 8 1928 20.50 0 9 1903 20.43 0 10 1927 20.01 0 Time Series Summary for NEWARK LIBERTY INTL AP, NJ Click column heading to sort ascending, click again to sort descending. Rank Year Mean Avg Temperature Missing Count 1 1993 79.2 0 2 2010 78.7 0 3 1994 78.5 0 4 2021 78.4 4 5 2011 78.0 0 6 2005 77.8 0 7 1988 77.7 0 8 2020 77.6 0 - 2016 77.6 0 - 1973 77.6 0 9 1999 77.1 0 10 1995 77.0 0 Time Series Summary for NEWARK LIBERTY INTL AP, NJ - Jun through Aug Click column heading to sort ascending, click again to sort descending. Rank Year Total Precipitation Missing Count 1 2011 23.57 0 2 2003 21.30 0 3 2021 20.46 4 4 2007 19.27 0 5 1971 19.09 0 6 1975 18.78 0 7 2019 18.76 0 8 2009 18.70 0 9 1942 17.71 0 10 1989 17.67 0

Suffolk is the latest location this summer to require water rescues from cars. 3.39” so far in Bayport. Station Number: NY-SF-125 Station Name: Bayport 1.0 SSE Observation Date 8/28/2021 7:00 AM Submitted 8/28/2021 6:29 AM Total Precip Amount 3.39 in.

The only real way is to keep the AC going. Many schools don’t have AC so they are prime spots for mold growth. Better to prevent mold than have to deal with cleaning it up.

Yeah, JFK had over 40 days with 75°+ dew points for the first time in 2018. The record high dew points persisted into September. That’s why there was so much mold damage at the local schools and colleges. https://www.northjersey.com/story/news/morris/2018/09/11/mold-contamination-could-keep-some-nj-schools-closed-weeks/1269827002/ https://newyork.cbslocal.com/2018/10/17/how-to-get-rid-of-mold/

The 17h day with a 75°+ dew point continues the record streak since 2016.

With a high so far of 96° today, Newark moves up to the 4th highest number of 95° or warmer days at 18. Time Series Summary for NEWARK LIBERTY INTL AP, NJ - Jan through Dec Click column heading to sort ascending, click again to sort descending. Rank Year Number of Days Max Temperature >= 95 Missing Count 1993 25 0 2010 21 0 1988 20 0 1944 20 0 2021 18 127

The HREF has been doing a great job this summer with the heavy rainfall and flash flooding signals. But the locations of the heaviest amounts have been off at times. So we may have to wait until nowcast time to know which areas will see the highest totals with this next event.

Islip moves into 2nd place for most 90° days in August. NYC will probably reach 90° shortly. So ISP will have a 7 to 5 August 90° day lead over NYC. The wet vegetation above the sensor in NYC is really distorting the climate record. You can see how NYC easily beat ISP in 1980 before the tree growth really got out of hand. Time Series Summary for ISLIP-LI MACARTHUR AP, NY - Month of Aug Click column heading to sort ascending, click again to sort descending. Rank Year Number of Days Max Temperature >= 90 NYC 1 1980 8 15 2 2016 7 7 - 2005 7 9 2021 7 5

This is the first time that Newark had bookend winter snowfall followed by bookend summer heat. Monthly Total Snowfall for NEWARK LIBERTY INTL AP, NJ Click column heading to sort ascending, click again to sort descending. Year Dec Jan Feb Season 2020-2021 11.9 3.2 30.6 45.7 Monthly Highest Max Temperature for NEWARK LIBERTY INTL AP, NJ Click column heading to sort ascending, click again to sort descending. Year Jun Jul Aug Season 2021 103 97 99 103

Long Island is close to its 9th top 10 warmest average summer temperature since 2010. Time Series Summary for ISLIP-LI MACARTHUR AP, NY Click column heading to sort ascending, click again to sort descending. Rank Year Mean Avg Temperature Missing Count 1 2010 74.7 0 2 2020 74.6 0 3 1999 74.5 0 4 2016 74.4 0 5 2011 73.9 0 6 2019 73.8 0 7 2021 73.7 5 8 2018 73.5 0 - 2005 73.5 0 9 2013 73.4 0 10 2012 73.3 0 - 1991 73.3 0

100° heat index on the South Shore with a 77° dew point. Wantagh 88 77 HX 100

The SSTs are peaking later this year than recent summers. Notice the upper 70s ocean temperatures now from the Jersey Shore to the LI South Shore. STATION/POSITION TIME SKY/WX TEMP WIND PRES VSBY WAVE AIR SEA DIR/SP/G HT/PER (UTC) (F) (DEG/KT/KT) (MB) (MI) (FT/S) NY Harb Entrance 1650 77 170/ 8/ 10 1019.3 2/ 6 20 S Fire Island 1650 75 1019.7 2/ 6 Great South Bay 1630 80 81 220/ 8/ 10 N/A 23 SSW Montauk P 1650 74 72 240/ 6/ 8 1019.8 2/ 6 15 E Barnegat Li 1656 78 N/A 2/13 Hudson Canyon 1650 78 78 230/ 8/ 10 1020.8 2/12

Just because it gets a sea breeze first, doesn’t mean there are any problems with the temperatures. Wantagh is currently 87/74 with a very humid sea breeze. Farmingdale a little further from the shore is 90/71.

Tomorrow will be the 50th day this year with a 70° dew point. We have never had 6 consecutive years with 50 days before. So the consistently high dew points are a big part of our new subtropical climate.

It wouldn’t be a surprise if we find a way to pick up more measurable rainfall this weekend. There were only two weekends since the Memorial Day weekend with no rainfall. So my guess this is probably a new record for the summer season. NYC weekends May 29-30 1.35 Jun 5-6 dry Jun 12-13. .01 Jun 19-20 .14 Jun 26-27 .04 Jul 3-4 .34 Jul 10-11 .28 Jul 17-18 .65 Jul 24-25 .45 Jul 31-Aug 1 .04 Aug 7-8 .21 Aug 14-15 dry Aug 21-22 7.12

Really large divergence between the area and extent in the Beaufort and Chuckchi.

After record warmth in June and a pullback of the heat in a July, the heat is coming on strong in August. Even Long Island is seeing impressive heat for August. This is only the 8th August at Islip to reach 5 days of 90°. Time Series Summary for ISLIP-LI MACARTHUR AP, NY - Month of Aug Click column heading to sort ascending, click again to sort descending. Rank Year Number of Days Max Temperature >= 90 Missing Count 1980 8 0 2016 7 0 - 2005 7 0 1995 6 0 2021 5 6 - 2018 5 0 - 2006 5 0 - 2002 5 0

Islip tied the record high and Newark missed by 1°. RECORD EVENT REPORT NATIONAL WEATHER SERVICE NEW YORK, NY 0441 PM EDT WED AUG 25 2021 ...RECORD HIGH TEMPERATURE TIED AT ISLIP NY... A RECORD HIGH TEMPERATURE OF 92 WAS SET AT ISLIP NY TODAY. THIS TIES THE OLD RECORDS OF 92 SET IN 1998 AND 1969. CLIMATE REPORT NATIONAL WEATHER SERVICE NEW YORK, NY 437 PM EDT WED AUG 25 2021 ................................... ...THE NEWARK NJ CLIMATE SUMMARY FOR AUGUST 25 2021... VALID TODAY AS OF 0400 PM LOCAL TIME. CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1893 TO 2021 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) TODAY MAXIMUM 96 255 PM 97 1993 84 12 92 MINIMUM 73 509 AM 48 1940 67 6 73 AVERAGE 85 75 10 83