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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 .
A tornado is an example of an extreme weather event. This tornado struck Anadarko, Oklahoma during a tornado outbreak in 1999.. Extreme weather includes unexpected, unusual, severe, or unseasonal weather; weather at the extremes of the historical distribution—the range that has been seen in the past.
On an average day, Meals on Wheels delivers about 4,000 meals across the state. Because of current conditions, they delivered more to help people get through the winter storm.
Although bad weather generally has little effect on an underground subway system in a major metropolitan area, electricity outages and flooding may disrupt services. For example, on August 8, 2007, following a tornado in Brooklyn in New York City, the New York City Subway flooded, causing all trains to grind to a halt during rush hour. [12]
Based on these studies and others, the Report estimated that the total national costs of preventable adverse events, including lost income, lost household productivity, permanent and temporary disability, and health care costs to be between $17 billion and $29 billion, of which health care costs represent one-half.
The effects of climate change on human health are profound because they increase heat-related illnesses and deaths, respiratory diseases, and the spread of infectious diseases. There is widespread agreement among researchers, health professionals and organizations that climate change is the biggest global health threat of the 21st century. [1] [2]
A Short-Term Forecast NOW (alt., NOWcast) is an event-driven narrative outlook of near-term weather conditions within the Weather Forecast Office’s area of responsibility, typically valid for a three- to seven-hour period. The product outlines any ongoing or recently occurring conditions—based on radar analysis, satellite imagery and other ...