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It would take an unusual set of circumstances. We would need a tropical air mass that is also dry. Something similar to the one that hit the mid south and lower Mississippi valley in late June 2012. That is necessary to get NYC to hit 40 (104) even once.
Now try doing that for 5 consecutive days.
Even Newark, keeping their thermometer on that heat holding airfield, would have a hard time hitting 104 three times in a row, let alone 5.
I don't think it's going to happen before 2100, if then. It would take a lot more "Global Warming" than even the 6-8 degrees F. that Dr. James Hansen thinks we'll see for there to be a string of that many days of 40+ in New York.
It's happened in Auxerre (France) for 7 straight days during the 2003 heat wave while this city has an average high of just 25.8°C in August.
I remember hearing about that.
Quote:
Originally Posted by irlinit
49.4C is certainly impressive for a location at that latitude.. there is probably nowhere else on Earth with the geography for that to happen.. Asia perhaps, but not a chance with the mountain ranges, and that can be seen.
I am unaware of other major heatwaves for continental Europe, sometimes we have had poor summers, whilst Spain has had record heat.
I'm pretty sure Australia has recorded 49C temperatures on numerous occasions, as well as about 5+ consecutive days over 40C, being the radiator/heat bowl that it becomes in summer. I'm always amazed that every time summer hits, Australia just seems to kick straight into heat overdrive, the sun becomes relentless and it does not freaking stop until mid autumn. It's terrible and the country needs a break from it for a few summers. In fact, I wouldn't mind if most or all locations in Australia barely nudged 35+ in summer for the next decade
Last edited by shirleyeve; 05-06-2015 at 05:07 AM..
In January 2014, Melbourne had a bit of a mediocre start to summer, with a bunch of 23s, 25s and even tops of 19. Then, all of a sudden, 4 days in a row of 43°C. Shocked everyone. That summer, 8 days of 40°C+ were recorded. If not for the below average start to summer, we would have recorded an average of 30°C in Jan 2014 when the actual average was 28.9°C.
Didn't realize the NE was that hot in 2011! Our July averaged a high of 89F, but the highest it got was 94.
Then suddenly after not having surpassed 94F all year, the first three days of September were 96°, 98°, 98°.
I heard somewhere on this forum that the Newark weather station was literally right next to a parking lot. Don't know whether this is true, but I don't know how else to explain the ridiculously high temperatures. I'd guess the UHI is much less significant than in NYC.
I heard somewhere on this forum that the Newark weather station was literally right next to a parking lot. Don't know whether this is true, but I don't know how else to explain the ridiculously high temperatures. I'd guess the UHI is much less significant than in NYC.
I think the fact that Newark is farther inland while still being a heavily urbanized area accounts for it's high readings. Newark does seem to be in a prime-time location for heat.
Since "New York", either Central Park or the airfields has had exactly three days (Central Park) or two days (airfield), or 5 days total of a Tmax of 104F, why would anyone think there would ever be multiple days in a row of such extreme anomalies? You might as well ask, "Will NY City ever have two days in a row of 104 or higher temps?".
There were only two years that NY had two days of 102 and over, 1977 and 1936. (Central Park)
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