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Old 01-12-2012, 10:03 AM
 
Location: In transition
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I agree that Southern hemisphere climates would be more continental. I think Buenos Aires would probably have winters very similar to NYC (as Londonweathersummary said) but with summers more like Comodoro Rivadavia in real life. I think the tree line would be around 55°S so around Comodoro Rivadavia. Ushuaia would probably be a completely polar climate at 64°S.
Another interesting question is if North America pulled 10 degrees further south would lose some continentality in its middle latitudes as the pool of cold air would be a bit warmer owing to the lower latitude
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Old 01-12-2012, 10:15 AM
 
Location: Buenos Aires, Argentina
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I think USA will be warmer, yes, due to lower latitude. I wish some of the climate experts will do some table with the hypotetical climates (sanfel, it will be cool if you do it), i wanna know what NYC weather will be like?

Plus, will USA continue to be so sunny?
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Old 01-12-2012, 12:17 PM
 
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Quote:
Originally Posted by deneb78 View Post
I agree that Southern hemisphere climates would be more continental. I think Buenos Aires would probably have winters very similar to NYC (as Londonweathersummary said) but with summers more like Comodoro Rivadavia in real life. I think the tree line would be around 55°S so around Comodoro Rivadavia. Ushuaia would probably be a completely polar climate at 64°S.
Another interesting question is if North America pulled 10 degrees further south would lose some continentality in its middle latitudes as the pool of cold air would be a bit warmer owing to the lower latitude
Perhaps. If Asia were not to move at all, it's likely that the Japan current would branch and part of it, at least would move through a much wider Bering Strait and end up washing North America's arctic coast. Any polar outbreaks would be modified considerably by warmer Arctic ocean that might not completely freeze even in the winter. Such continental Canadian cities as well as those in the U.S. upper midwest would add a slight warming effect amplifying the considerable warming that a 10 degree (700 mile, 1150KM) southward shift would cause.

The downside to this is winters in places like Thompson (Man) and Yellowknife would still be plenty cold enough that the additional moisture carried by these warmer air masses would still fall as snow. Nowadays Thompson gets about 186mm (~7.4") of snow and roughly 517mm (20.7") of total precipitation. Yelloknife; 151 (6.1) and 280 (11.2). Both locales can could expect up to two to two and a half times the snowfall they get now and maybe one and a half times the total precipitation.

This also has implications for Barrow, AK and places in the Canadian Arctic like Inuvik. A (relatively) warm current could push coldest month temperatures above 0 (-18) in both places....
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Old 01-12-2012, 02:41 PM
 
Location: USA East Coast
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Originally Posted by FVWinters View Post
Perhaps. If Asia were not to move at all, it's likely that the Japan current would branch and part of it, at least would move through a much wider Bering Strait and end up washing North America's arctic coast. Any polar outbreaks would be modified considerably by warmer Arctic ocean that might not completely freeze even in the winter. Such continental Canadian cities as well as those in the U.S. upper midwest would add a slight warming effect amplifying the considerable warming that a 10 degree (700 mile, 1150KM) southward shift would cause.

The downside to this is winters in places like Thompson (Man) and Yellowknife would still be plenty cold enough that the additional moisture carried by these warmer air masses would still fall as snow. Nowadays Thompson gets about 186mm (~7.4") of snow and roughly 517mm (20.7") of total precipitation. Yelloknife; 151 (6.1) and 280 (11.2). Both locales can could expect up to two to two and a half times the snowfall they get now and maybe one and a half times the total precipitation.

This also has implications for Barrow, AK and places in the Canadian Arctic like Inuvik. A (relatively) warm current could push coldest month temperatures above 0 (-18) in both places....
You beat me to it…as I was going to make the same point:

Even if Canada was pulled 10 degrees latitude southward (about 700 miles southward) is would still be "plenty cold in winter" - lol. Right now cities like Edmonton way up near 54 North have a January mean temp of of about 4/6 F (-15/-13 C). Even if the mean temp at stations like Edmonton where to gain 10 F of warmth in the coldest month (a long shot) – Edmonton would still have a mean temp of 14 - 16 F in the coldest months. Still way to cold for many people.
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Old 01-12-2012, 02:46 PM
 
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I wonder what Winnipeg would be, maybe like Lincoln Nebraska?
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Old 01-12-2012, 03:34 PM
 
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I think that there would be monsoon rains coming off the Gulf of Mexico into the southern United States making this region far wetter and even more steamy the whole year. The Carribean would be more like the islands of Southeast Asia meaning more rain, but have less risk of tropical storms.


A climate similar to San Francisco would be found in southern Vancouver island. Vancouver being more inland but still coastal is likely to be like San Francisco but with less fog. Coastal Oregon would be a far different place due to having a climate like southern California, instead of being underdeveloped it could very well be overdeveloped.


As for Canada I believe that Canada or at least Eastern Canada would be much more populated. For example Sept Iles Quebec would be at the same latitude as New York City. Places like Cape Breton and Newfoundland would either be very populated or filled with alot of summer resorts, likely a mixture of both. Prince Edward Island might be like Martha's Vineyard.


After thinking further I believe that the colonization of North America would have different patterns. This would shift more north meaning that the formation of the United States if it was the same latitude would reach well into Labrador. A good chunk of the United States now would be part of Mexico or some other Spanish country.
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Old 01-12-2012, 03:35 PM
 
Location: In transition
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Keep in mind places like Toronto if it was 10 degrees latitude further south would be firmly humid subtropical(Cfa) and Vancouver would be firmly mediterranean (Csa/b) Winnipeg as Lincoln sounds about right. As CairoCanadian pointed out, St. John's at 37N might have one of the best climates because it would be like a hybrid of Azores/Virginia Beach.
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Old 01-12-2012, 03:57 PM
 
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Wonder how it would effect the sunshine hours.
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