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How are fall colors impacted by our weather?
The most vibrant fall color will occur on years with ample moisture in the summer and dry, clear weather in the fall. Extreme heat and moderate-to-severe drought may negatively affect the fall foliage season.
In summer and spring, leaves are green because they contain chlorophyll, which reflects green light more than other colors. Other colors are absorbed by chlorophyll for photosynthesis. Continue reading
How has weather forecasting improved, assuming it has improved?
Weather forecasting is a science that has drastically improved over the last 50 years. Modern weather forecasting goes back to the mid-20th century, when meteorologists began using numerical weather prediction (NWP) computer models to simulate atmospheric processes. These models rely on physics and mathematical equations to represent the behavior of the atmosphere.
Studies have shown that a five-day weather forecast today is as accurate as a one-day forecast was in 1980. Today, three-day predictions of a hurricane path are more accurate than the 24-hour forecasts of the 1970s and 1980s. In addition, today’s forecast is easily accessible on your smart phone. Continue reading
Category: Uncategorized
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Why is fog more common in the early morning?
Fog can occur any time of day throughout the year. In southern Wisconsin, fog is most frequent in the morning, between about 6 and 8 a.m.
Fog formation is the result of two primary processes. First, the air is cooled to the dew point, and the relative humidity reaches 100%. When the air temperature is the same as the dew point temperature, condensation of the atmospheric water vapor occurs forming fog droplets. Another method of fog formation requires water to evaporate from the surface into the air, increasing the relative humidity until condensation occurs. Continue reading
When will we stop seeing 80F this year?
At the time of this writing, Madison is in its 6th straight day of temperatures at or above 80F and it is likely we will have one more to reach seven in a row. As recently as 2022, we have … Continue reading
What does the CDC have to do with the National Weather Service?
As the flu season ramps up and brings along with it an increased threat of COVID-19 infections, it has been distressing for many to witness the assault on the leadership of the Centers for Disease Control and Prevention, known as the CDC.
Under the leadership of Health and Human Services Secretary, Robert F. Kennedy Jr., an infamous vaccine skeptic, the leadership of the organization has been decimated and confidence in its ability to meet the challenges we regularly face from infectious disease has dramatically decreased. These troubling developments come just weeks after the Department of Energy released a report on the impact of greenhouse gases on the climate of the United States written by five well-known skeptics of the broad scientific consensus on this urgent issue. Continue reading
Category: Meteorology, Weather Dangers
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