cableguy said:
tornadoes happen in at least 48 states, and are rather random in appearance...
They have now happened in all 50 states. (The first one on record in Alaska occurred earlier this year, another sign that climate change is happening, bringing storm zones further north.)
Tornadoes are by no means random. They need to have the right mechanisms in place, mechanisms which are becoming more likely to align themselves than ever before.
These mechanisms are:
-Sufficient heat at the surface
-Cooler temperatures aloft than at the surface
-Sufficient moisture (usually supplied in the Great Plains by winds from the Gulf of Mexico)
-Appropriate vertical wind profiles
Neither of the latter three are becoming more pronounced with climate change. However, the first one IS increasing as a result of global warming, which makes it even more likely severe weather will strike the US.
As for the sufficient moisture requirement, the Alaskan tornado likely got that from the warmer-than-normal waters of the Gulf of Alaska during the period.
cableguy said:
with minimal effort, i found that a tornado happened november 11, 1911... i also found a couple from december... 1887 and 1908... rare, but they do happen, have happened, and will continue to happen... kindly explain these events of over 90 years ago, and how they also proove global warming...
I never said November tornadoes were rare in the continental US, especially in states south of the Mason-Dixon Line. Tornadoes occur in Alabama during January. November tornadoes are rare, however, in the northern states.
Also the tornado which struck Hamilton, Ontario was only the third to strike Ontario in November. It was also rated an F1, which can (and did) do some notable damage.