Not exact matches
The extraordinary cold spell was
probably strengthened and lengthened by the resulting increase in sea ice at
high latitudes, as well as an unusually low number of sunspots in the middle of the 7th century.
[Response:
High northern
latitudes were warmer 5000 years ago (or even 9000 years ago) but the tropics were
probably cooler, and in the mean the planet was
probably not that different from now.
With respect to the radiosonde comparison, it was clearly not sufficient to alert S+C to the error in their retrieval — most
probably because the error mostly affected the tropics, while most of the radiosondes are in the mid to
high latitudes.
The longest - term why concerns such things as the perpetual westerlies at the
higher southern
latitudes and continental drift moving Antarctica out of their way (the ring of westerlies
probably started about 12 million years ago).
This suggests that risk assessment is needed for all coastal cities in the southern and southeastern U.S. for category 5 storms, and for the more northern cities (e.g. New York City)
probably for category 3 storms (note the categorical risk for coastal cities at
higher latitudes needs to be assessed using typhoon data from the Pacific).
Also warming should be more pronounced at
higher latitudes, but there is no, repeat no, warming in Antarctica except for the peninsula, where the warming is
probably caused by ocean currents, not atmospheric CO2.
Many aspects of a temperature increase would
probably be welcome at
high northern
latitudes that are now too cold over much of the year.
Probably not for countries in mid - and
high latitudes,» Bala said.