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Monthly Archives: April 2014
Are the jet stream and tornadoes related?
Wintertime weather is driven largely by the parade of upper-level weather systems carried rapidly eastward by the high level winds known as the jet stream.
The jet stream is a ribbon of high-speed wind (located at nearly 6 miles above the surface) that is related to the strength, and location, of the pole-to-equator temperature contrast. Continue reading
How long were Madison lakes frozen this year?
Lakes Mendota, Monona and Wingra opened during the second week of April.
Lake Mendota officially froze Dec. 16 and opened April 12, for an ice season of 117 days, which is 12 days longer than the median duration. Continue reading
Why does the moon look red during a lunar eclipse?
Why does the moon look red during a lunar eclipse? In a total lunar eclipse the sun, earth and moon line up and the Earth casts its shadow on the moon. The moon is always a full moon during a … Continue reading
Who controls the tornado sirens?
The sirens around Dane County are not just for warning about tornadoes.
Although tornado warnings are by far the most common cause for the sounding of the alarm, the sirens are used for other hazards. Continue reading
Category: Meteorology, Severe Weather, Weather Dangers
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Why does snow melt around the bases of trees?
To melt snow, there must be a net gain of energy by the snow. This energy gain can either melt the snow or sublimate the snow, causing it to go from the frozen water phase directly to a gas in … Continue reading
