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tracking the heat


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Pretty funny how 3 days at or above 90 is a heat wave. The old days it was 5. Big deal about 3 days of 90 in July...nothing out of the ordinary at all.

It almost seems as if the criteria for a heat wave should be different in July and August...the average high here gets to 85-86F this time of year, so a 90-degree high is like +4, hardly anomalous at all. This would be akin to saying that three 32-degree highs (-4) in January constitutes an arctic outbreak. But no one could say that...we need consecutive highs in the 20-25F range even to entertain calling it an arctic outbreak.

Anyway, gorgeous weather now with temperatures in the upper 70s, dews in the 50s, and a gentle breeze. Very comfortable for late July.

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It almost seems as if the criteria for a heat wave should be different in July and August...the average high here gets to 85-86F this time of year, so a 90-degree high is like +4, hardly anomalous at all. This would be akin to saying that three 32-degree highs (-4) in January constitutes an arctic outbreak. But no one could say that...we need consecutive highs in the 20-25F range even to entertain calling it an arctic outbreak.

Anyway, gorgeous weather now with temperatures in the upper 70s, dews in the 50s, and a gentle breeze. Very comfortable for late July.

 

 

It's not comparable. The amount of energy required to increase the temperature 5 degrees from 85F to 90F is significantly greater than the amount of energy required to increase the temperature 5 degrees from 32F to 37F, for example. It's why July's temperature departures are rarely more than +3, whereas winter months can feature upwards of +10. When the temperature is already averaging fairly high, it's more difficult to increase it significantly. 90F for a prolonged period is definitely impressive at our latitude, even in July.

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the last 30 days have averaged close to 77.0...this is below average for the warmest consecutive 30 days during a summer in NYC...last year was 76.6...normally the warmest period is close to 79.0 on average...This makes the 2000 summer more remarkable...1980 holds the record with a 82.5 mark from July into August...2004 never had any prolonged heat also...

2000.....72.7
2001.....78.7
2002.....80.3
2003.....77.0
2004.....74.8
2005.....81.8
2006.....80.1
2007.....75.9
2008.....78.8
2009.....76.8

2010.....81.8
2011.....81.0
2012.....79.5

2013.....81.7

2014.....76.6
..................................................................

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Humidity has surged. Disgusting muggy outside.

Worse than the much hotter day temperature.

Yea east of NYC was 87-90 during the afternoon with a DP just above 70 which was way worse than the 94/59 most others were seeing. I hate the humidity.
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Record Highs Wed (7/30)

 

Most look safe but it could get close at LGA, EWR, PHL

 

NYC: 98 (1988)

EWR: 101 (1949)

LGA: 99 (1988)

JFK: 96 (2002)

TTN: 98 (1999

PHL: 98 (1988)

 

might be close - recent dryness aiding higher temps

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