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Freddy Storm 07/2011
Freddy Storm 07/2011
ICE BALLSICE BALLS
This freak of nature occurs after heavy snow falls This freak of nature occurs after heavy snow falls along the shores of large lakes and oceans. The along the shores of large lakes and oceans. The
snow is turned into ice by the motion of the waves, snow is turned into ice by the motion of the waves, creating huge frozen ice balls.creating huge frozen ice balls.
Thousands of balls of ice the size of a football huddle Thousands of balls of ice the size of a football huddle along the shore in a wonderful show. For this to along the shore in a wonderful show. For this to happen, the water temperature should be 0° C, a happen, the water temperature should be 0° C, a
phenomenon known as "Lolly" by the fishermen of phenomenon known as "Lolly" by the fishermen of the Canadian Island of Cape Breton.the Canadian Island of Cape Breton.
SNOW ROLLERSSNOW ROLLERS
A curious meteorological phenomenon of cylindrical snow A curious meteorological phenomenon of cylindrical snow formations known as SNOW ROLLERS is rare because formations known as SNOW ROLLERS is rare because precise conditions must be present for their formation.precise conditions must be present for their formation.
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--The frozen surface or ice covered area should glide The frozen surface or ice covered area should glide with ease to make a roller.with ease to make a roller.
-The ice must be covered with a 2 cm moist layer of -The ice must be covered with a 2 cm moist layer of thick powder snow and the temperature must be thick powder snow and the temperature must be
close to the point where ice melts.close to the point where ice melts.
--The air temperature must be equal to or slightly The air temperature must be equal to or slightly above freezing, between 0 and 1° C.above freezing, between 0 and 1° C.
-The wind must be approximately 40 km / hour to -The wind must be approximately 40 km / hour to roll the snowroll the snow..
--AA gust of wind takes the snow along like a spoonful of gust of wind takes the snow along like a spoonful of ice cream. Each gust of wind increases its sizeice cream. Each gust of wind increases its size..
The size of the cylinders may reach several The size of the cylinders may reach several centimeters and one roller had a diameter of 70 centimeters and one roller had a diameter of 70
cm.cm.
Finally, when the roll is too heavy to be Finally, when the roll is too heavy to be pushed by the wind or comes against an pushed by the wind or comes against an obstacle, it stops, leaving a trail behind.obstacle, it stops, leaving a trail behind.
Gravity also forms snow rollers. The snow falls from a Gravity also forms snow rollers. The snow falls from a tree on a slope and rolls down, forming a sphere.tree on a slope and rolls down, forming a sphere.
