Archives
Categories
WeatherGuys Links
Category Archives: Severe Weather
Has 2026 been an active tornado year?
A tornado is a violently rotating column of air that is in contact with both the surface of Earth and the storm above. The 30-year normal (1981-2010) for Wisconsin is 23 tornadoes per year.
As of mid-July, the National Weather Service has confirmed that our state has experienced 39 documented tornadoes, which ties it with 2025 for the 6th most tornadoes in an entire year. These tornadoes were distributed over 10 different days. Twenty-seven of those tornadoes were spawned between April 13 and April 17, with 16 on April 17 alone. Continue reading
Is wildfire season getting longer?
Wildfires are an important part of many ecosystems and an essential part of forest and rangeland health.
Fires require fuel to burn, heat to ignite and oxygen to burn. Wildfire season is defined as the time of year when wildfires are most likely to ignite and spread. A combination of high temperatures, low humidity, lack of precipitation days and high winds make wildfires more likely to spread and lengthen fire seasons. Continue reading
Does NOAA conduct fire weather forecasting?
Wildfire outbreaks require the alignment of several factors, including temperature, humidity, winds and the lack of moisture in fuels such as trees, shrubs and grasses. These factors have strong direct or indirect ties to current weather, climate variability and climate change. The National Oceanic and Atmospheric Administration supports weather forecasting throughout a wildfire’s lifecycle: before, during and after the wildfire.
Drought conditions can set the stage for wildfires. Continue reading
Category: Seasons, Severe Weather, Weather Dangers
Comments Off on Does NOAA conduct fire weather forecasting?
Comments Off on Does NOAA conduct fire weather forecasting?
What is a “wake low”?
Wake lows are short-lived mesoscale phenomena. Mesoscale weather ranges from about 5 kilometers to 1,000 kilometers in size.
Wake lows are relatively uncommon. They produce strong winds after a storm moves out. The term “wake low” was defined by Ted Fujita, the same meteorologist who came up with the F-scale ranking of tornadoes. These areas of low-pressure form on the backside of heavy rain, causing winds to surge in at fast speeds. Continue reading
What causes a thunderstorm?
Thunderstorm development requires three basic ingredients: moisture, unstable air and upward motion.
Moisture comes from regions like oceans, lakes and vegetation that provide the water vapor necessary for cloud formation and precipitation. Continue reading
