it can happen when there is very Strong wind that's what Ive been told
in one year in north America over 100,000 avalanches happen each year
well there is about 1000 avalanches a year
20 or 30 times a year 20,000 each year (this is right ha ha)
About 10,000
About 10,000
in one year in north America over 100,000 avalanches happen each year
every 48 hours
Yes.
well there is about 1000 avalanches a year
That, I cannot give an exact answer for. Lighting and thunderstorms can happen at anytime, anyday of the year. Just watch your local weather channel for a head's up on what your week's forecast may be! :)
In the french alps there are over 100,000 alvalanches per year and that number is of course still increasing!
About 250 people die of avalanches each year.
there were many avalanches in Switzerland last year.
no
A thunderstorm, which normally happens in the summer time during the night or afternoon, but can happen at anytime in the year, but more common in the summer time
Sort of both. Tornadoes can happen at any time of year but they are most common in spring and early summer.
Nope it can happen at anytime. In the United States alone there are 1200 tornadoes in an averaged year.