Search results
Results from the WOW.Com Content Network
Severe weather can occur under a variety of situations, but three characteristics are generally needed: a temperature or moisture boundary, moisture, and (in the event of severe, precipitation-based events) instability in the atmosphere.
Severe weather is one type of extreme weather, which includes unexpected, unusual, severe, or unseasonal weather and is by definition rare for that location or time of the year. [5] Due to the effects of climate change , the frequency and intensity of some of the extreme weather events are increasing, for example, heatwaves and droughts .
Beyond more common weather terms lies a field of rarely used but humorous monikers to describe the weather around us. Some were just invented, some have been around for hundreds of years. Here are ...
Extreme Weather Source Book -- Economic and Other Societal Impacts Related to Hurricanes, Floods, Tornadoes, Lightning, and Other U.S. Weather Phenomena (University of Colorado at Boulder) Tornado History Project Searchable US tornado database overlaid on a Google Map; Weather data archives. Severe Thunderstorm Events (SPC) Various (NCDC)
Red flag criteria is generally when relative humidity is at 15% or less, combined with sustained winds and/or gusts of 25 mph or greater. Both of these conditions must occur simultaneously for at ...
The main types of extreme weather include heat waves, cold waves and heavy precipitation or storm events, such as tropical cyclones. The effects of extreme weather events are economic costs, loss of human lives, droughts, floods, landslides. Severe weather is a particular type of extreme weather which poses risks to life and property.
The categorical forecast in the Day 1-3 Convective Outlooks—which estimates a severe weather event occurring within 25 miles (40 km) of a point and derives the attendant risk areas from probability forecasts of tornadoes, damaging winds, and large hail on Days 1 and 2, and a combined severe weather risk on Day 3—specifies the level of ...
Severe weather terminology is different around the world, varying between regions and countries. These are articles which explain terminology in various parts of the world. Severe weather terminology (United States) Severe weather terminology (Canada) Severe weather terminology (Japan) Hong Kong tropical cyclone warning signals