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View Poll Results: Which of those will register the Southern Hemisphere coldest temperature this autumn?
Balmaceda(Chile) 5 38.46%
Rio Turbio(Argentina) 2 15.38%
Charlote Pass(Australia) 6 46.15%
Ranfurly(New Zealand) 0 0%
Voters: 13. You may not vote on this poll

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Old 05-09-2017, 02:44 PM
 
Location: João Pessoa,Brazil(The easternmost point of Americas)
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Quote:
Originally Posted by AJ1013 View Post
How often does a front make it to your area, have you ever had dew points in the 40's?
Fronts never reach the part where I live in Northeast, when it reach the tropical latitudes, It is always oriented to the west of the continent, but sometimes when it is strong enough, affect the state of Bahia.
Dewpoints is always high(above 20C), because of the year-round high humidity, even in the dry season.
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Old 05-09-2017, 02:52 PM
 
Location: Top of the South, NZ
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Quote:
Originally Posted by Ed's Mountain View Post
Nice photos Joe.

Is there a place in New Zealand that would be considered to have the best autumn colours? There's nothing in Australia that can really compare to North America in that regard.
Central Otago is renown for it's vibrant autumn colour, but these are exotic species, as NZ deciduous species are more commonly spring deciduous.

Here's some photos from a family trip down to central Otago just last week. Not a lot of colour, but it's been a poor year there as well. The first photo shows typical autumn colour on the west coast.
Attached Thumbnails
Autumn Thread 2017 (Southern Hemisphere)-img_4945.jpg   Autumn Thread 2017 (Southern Hemisphere)-img_4973.jpg   Autumn Thread 2017 (Southern Hemisphere)-img_5001.jpg   Autumn Thread 2017 (Southern Hemisphere)-img_5003.jpg   Autumn Thread 2017 (Southern Hemisphere)-img_5017.jpg  

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Old 05-09-2017, 06:42 PM
 
Location: Top of the South, NZ
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A couple of more photos from down south last week. The willow trees have barely changed -shows how mild it still is.
Attached Thumbnails
Autumn Thread 2017 (Southern Hemisphere)-img_5051.jpg   Autumn Thread 2017 (Southern Hemisphere)-img_5054.jpg  
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Old 05-10-2017, 06:47 AM
 
Location: João Pessoa,Brazil(The easternmost point of Americas)
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https://twitter.com/NiwaWeather/stat...59579039150080
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Old 05-10-2017, 07:03 AM
 
Location: João Pessoa,Brazil(The easternmost point of Americas)
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About the poll, here is the ranking, since I dont have any data from Charlotte Pass, I will use the other coldest station in the Australian Alps.

Perisher Valley : -8.0C/17.6F(May 3)
Balmaceda : -5.6C/22F(May 10)
Rio Turbio : -3.0C/26.6F(April 7)
Ranfurly : 0C/32F(May 2)

Lets see if it will keep like this until the next update in 10 days.
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Old 05-10-2017, 09:38 AM
 
Location: Seoul
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Damn, Iquitos has thunderstorms every single day in the forecast! Crazy
https://weather.com/weather/tenday/l...+PEXX0010:1:PE
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Old 05-10-2017, 11:57 AM
 
Location: João Pessoa,Brazil(The easternmost point of Americas)
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Gfs 12z showing very cold temperatures to the northern Patagonian plateau in 10 days, with a lowest of -5.5F/-21C in some places, this part of Patagonia is quite wild, I remember they registering 30C+ last summer and now this, yet they don't have a continental climate according to Koppen..

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Old 05-10-2017, 12:01 PM
 
Location: Key Biscayne, FL
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Quote:
Originally Posted by ghost-likin View Post
Gfs 12z showing very cold temperatures to the northern Patagonian plateau in 10 days, with a lowest of -5.5F/-21C in some places, this part of Patagonia is quite wild, I remember they registering 30C+ last summer and now this, yet they don't have a continental climate according to Koppen..
Those temps are at extreme elevation though.
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Old 05-10-2017, 12:07 PM
 
Location: João Pessoa,Brazil(The easternmost point of Americas)
2,540 posts, read 2,005,587 times
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Quote:
Originally Posted by AJ1013 View Post
Those temps are at extreme elevation though.
Not so, you can see a large area of temperatures close or below 0F, looking at google earth they are at around 800-1200m, and the reason to Gfs show all this low temperature is due to the snowcover from the previous snowstorm, and as you know, snowcover+clear skies create very cold conditions.
The latitude is 41S, similar to northern California etc, here is an map showing the snowfall accumulation next 10 days, you can see the areas with the highest accumulations is the same with the coldest temperatures.

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Old 05-10-2017, 06:57 PM
 
Location: Victoria, BC, Canada
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Quote:
Originally Posted by Joe90 View Post
Central Otago is renown for it's vibrant autumn colour, but these are exotic species, as NZ deciduous species are more commonly spring deciduous.

Here's some photos from a family trip down to central Otago just last week. Not a lot of colour, but it's been a poor year there as well. The first photo shows typical autumn colour on the west coast.
Great photos Joe; thanks. Looks somewhat like the interior of British Columbia.

Question: what do you mean by spring deciduous? Is it that the leaves turn dry and brown (desiccated) and remain on the tree until spring? Or something else?
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