What is the cause of strong winds? Photo: wwwuppertal The wind is simply air in motion, flowing from high atmospheric pressures to low pressures. Moving anything requires a force. Strong winds are due to a strong pressure gradient force. A… More
What are the plant hardy zones and how do they relate to climate? USDA If you are involved with gardening, you probably are aware of the hardy zones listed on seed packets. The U.S. Department of Agriculture developed the zones… More
Will the 2010 volcanic eruption in Iceland lead to a change in global weather patterns? 2010 eruption of Eyjafjallajökull by Sverrir Thorolfsson No. While the eruption certainly has had impact on aviation and the weather of the immediate area, the… More
What are straight-line winds?
What are those beams of light that emerge from clouds?
How much condensed liquid water is in a cubic mile of fog and clouds? Fog envelopes the Milwaukee Art Museum, on Lake Michigan’s shores. By I love Milwaukee Fog is composed of tiny water drops, each with a diameter of… More
When is the severe weather season?
How long have satellites been used to study Earth’s weather? NASA image of Explorer VII satellite, 1964 The first successful meteorological experiment conducted from a satellite was launched on Explorer VII on October 13, 1959, just over 50 years ago.… More
Before 1960, the idea that a reasonably accurate two-day weather forecast could be made routinely was a pipe dream – now it’s a routine reality. In fact, it was not until just after World War I that a theory concerning the structure, life cycle and precipitation distribution associated with mid-latitude cyclones, the weather systems that bring snow and rain to Madison, was first proposed by a group of Norwegian scientists, led by Vilhelm Bjerknes, an ambitious but professionally frustrated physicist. More
How accurate are weather forecasts? Image: NOAA In general, weather forecasts are getting better, due to improvements in computer models, observations and our understanding of atmospheric. Accuracy depends on the purpose of the forecast and how far out it extends.… More