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donsutherland1

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  1. As had likely been the case during the record June 2025 heatwave, Central Park likely had two 100° or above days during the most recent heatwave. Only one such day was recorded due to Central Park's well-documented tree overgrowth. Moreover, July 3, 2026 was likely one of Central Park's hottest days on record, as was the case at surrounding sites: JFK Airport: 102°; LaGuardia Airport: 104°; and, Newark: 105°. As noted previously in this thread, I would run the statistical analysis based on the most recent 30-year period prior to the issue of tree overgrowth. The numbers are below. Since 2010, numerous summer records have been affected by the tree overgrowth. Based on the statistical calculation, below are the summer records that would likely have been tied or broken without the tree overgrowth issue: June 8 — 2011— Calculated 97, record 95, record year(s): 1933 June 9 — 2011— Calculated 99, record 97, record year(s): 1933 June 11 — 2026— Calculated 97, record 95, record year(s): 1973 June 12 — 2026— Calculated 97, record 93, record year(s): 1933, 1973, 2017 June 13 — 2017— Calculated 100, record 96, record year(s): 1961 June 20 — 2012— Calculated 98, record 98, record year(s): 1923 June 21 — 2012— Calculated 99, record 97, record year(s): 1953, 1988 June 23 — 2025— Calculated 97, record 96, record year(s): 1888, 2025 June 24 — 2025— Calculated 102, record 99, record year(s): 2025 ***New June Monthly Record*** June 25 — 2025— Calculated 100, record 99, record year(s): 1943, 1952 June 28 — 2010— Calculated 97, record 96, record year(s): 1969, 1991 June 30 — 2021— Calculated 100, record 99, record year(s): 1964 July 2 — 2026— Calculated 104, record 100, record year(s): 1901, 1966, 2026 July 7 — 2010— Calculated 101, record 100, record year(s): 2010 July 18 — 2012— Calculated 102, record 101, record year(s): 1953 July 22 — 2011— Calculated 106, record 104, record year(s): 2011 ***Tied All-time Record*** July 23 — 2011— Calculated 101, record 100, record year(s): 2011 July 24 — 2022— Calculated 100, record 97, record year(s): 1999, 2010 July 25 — 2025— Calculated 99, record 97, record year(s): 1999 July 29 — 2025— Calculated 100, record 99, record year(s): 1949 July 30 — 2025— Calculated 99, record 98, record year(s): 1917, 1933, 1940, 1988 August 12 — 2016— Calculated 97, record 97, record year(s): 1944 August 12 — 2021— Calculated 97, record 97, record year(s): 1944 August 25 — 2021— Calculated 95, record 95, record year(s): 1948 In sum, the tree overgrowth has already affected a growing number of records.
  2. They have been delayed until 9:02. Weather conditions will determine if there are further delays.
  3. Today, JFK Airport reached 100° for the third consecutive day. That ties the record for the longest such streak, which was set during July 2-4, 1966. Thunderstorms are possible this evening. Tomorrow will be noticeably cooler with highs reaching the upper 70s or lower 80s. A soaking rain is likely Monday into Tuesday. The potential exists for a general 0.50"-1.50" rainfall with locally higher amounts. Highs will reach the middle and upper 70s on both days. It will turn warmer to end the week. No excessive heat appears likely through mid-month. The ENSO Region 1+2 anomaly was +3.1°C and the Region 3.4 anomaly was +1.8°C for the week centered around June 24. For the past six weeks, the ENSO Region 1+2 anomaly has averaged +2.60°C and the ENSO Region 3.4 anomaly has averaged +1.37°C. The ongoing El Niño will continue to strengthen through the summer. The SOI is not available due to data feed issues. The preliminary Arctic Oscillation (AO) was +0.855 today.
  4. A short but severe heatwave will continue to scorch the region into the start of the weekend. However, the most severe heat has already occurred yesterday and today. Through 5 pm, highs included: Allentown: 101° Atlantic City: 105° (old record: 104°, 1966) Baltimore: 102° Boston: 100° Georgetown: 102° (old record: 101°, 1954) Harrisburg: 103° Hartford: 98° Islip: 98° Manchester: 97° New York City-Central Park: 98° New York City-JFK Airport: 100° New York City-LaGuardia Airport: 100° Newark: 102° Philadelphia: 102° Poughkeepsie: 101° Providence: 98° (tied record set 2002) Raleigh: 101° (tied record set in 2012) Reading: 102° Trenton: 101° Washington, DC: 102° (old record: 101°, 1872, 1873 and 1966) Wilmington, DE: 102° (tied record set in 1966) A few areas could see a thunderstorm this evening. Tomorrow will be a few degrees cooler, but still very hot. Temperatures will likely peak in the middle to perhaps upper 90s. Some showers or thunderstorms are possible, especially late in the day. Sunday will turn a bit cooler with readings returning to near normal levels. A soaking rain is possible Monday into Tuesday. The potential exists for a general 0.50"-1.50" rainfall. Highs will reach the middle and upper 70s on both days. It will turn warmer to end the week. The ENSO Region 1+2 anomaly was +3.1°C and the Region 3.4 anomaly was +1.8°C for the week centered around June 24. For the past six weeks, the ENSO Region 1+2 anomaly has averaged +2.60°C and the ENSO Region 3.4 anomaly has averaged +1.37°C. The ongoing El Niño will continue to strengthen through the summer. The SOI is not available due to data feed issues. The preliminary Arctic Oscillation (AO) was +1.312 today.
  5. July 2-3, 2026 is only the third such case. The others were: July 2-3, 1966 and July 6-7, 2010.
  6. The wind shifted back offshore and the temperature rocketed. It shows just how hot this air mass is.
  7. Harrisburg (though not in the Philly CWA) and Newark, too.
  8. Sunrise this morning. The temperature at Larchmont Harbor at sunrise was 86°.
  9. There are three notable exceptions for the New York City area where 100° heat returned: 1949, 1953, and 1955.
  10. A short but severe heatwave will continue to scorch the region into the start of the weekend. Through 5 pm, highs included: Albany: 95° Allentown: 101° Atlantic City: 103° (old record: 100°, 1966) Baltimore: 101° Bangor: 93° (tied record set in 1941) Boston: 101° (old record: 98°, 1963) Bridgeport: 98° Burlington: 96° Caribou: 91° (tied record set in 2014) Concord: 97° Harrisburg: 102° Hartford: 100° (old record: 99°, 1966) Islip: 96° Manchester: 97° (old record: 95°, 1968) New Brunswick: 104° New York City-Central Park: 100° (tied record set in 1966) New York City-JFK Airport: 102° (old record: 101°, 1966) New York City-LaGuardia Airport: 104° (old record: 101°, 2016) Newark: 105° (old record: 103°, 1901) Philadelphia: 103° (tied record set in 1901) Portland: 96° Poughkeepsie: 103° (old record: 97°, 1966) Providence: 99° (old record: 98°, 1941) Raleigh: 98° Reading: 102° (tied record set in 1966) Richmond: 96° Scranton: 98° (tied record set in 1901 and tied in 1966) Sterling: 98° (tied record set in 1966) Trenton: 101° (tied record set in 1901) Washington, DC: 102° (old record: 101°, 1898) White Plains: 98° (old record: 97°, 1968) Wilmington, DE: 103° (old record: 98°, 1941 and 1966) Worcester: 94° Tomorrow will be another brutally hot day with the temperature peaking in the 100°-105° range. Some locally hotter temperatures are possible. Saturday will be a few degrees cooler, but still very hot. Some showers or thunderstorms are possible, especially late in the day. Sunday will turn a bit cooler with readings returning to near normal levels. Somewhat below normal readings with highs in the lower 80s are likely early next week. The ENSO Region 1+2 anomaly was +3.1°C and the Region 3.4 anomaly was +1.8°C for the week centered around June 24. For the past six weeks, the ENSO Region 1+2 anomaly has averaged +2.60°C and the ENSO Region 3.4 anomaly has averaged +1.37°C. The ongoing El Niño will continue to strengthen through the summer. The SOI was -1.91 today. The preliminary Arctic Oscillation (AO) was +1.539 today.
  11. Both LaGuardia Airport and Newark hit 104° today.
  12. Newark has hit 104 while JFK topped out at 102.
  13. Newark: 104° (old record: 103°, 1901)
  14. Yes, the reading is from the Airport where it peaked at 103°.
  15. As of 1 pm, the following areas have set new records: Atlantic City (101°); Poughkeepsie (99°), and Wilmington, DE (101°). The following locations have tied records: Manchester (95°) and Providence (98°). The following locations have also hit 100° and are approaching records: Harrisburg (100°), New York City-JFK Airport (100°), Newark (102°), and Philadelphia (100°). Central Park has reported a high of 98° so far. The statistical model (r2=0.941) based on the pre-tree overgrowth period has an implied 101° reading there.
  16. Atlantic City has recently reached 100°. That ties its daily record from 1966.
  17. Wilmington, DE has reached 98°. That ties the daily record that was set in 1941 and tied in 1966.
  18. Such ridges are uncommon in the Eastern U.S. No disagreement on the location of such a ridge.
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