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Precipitation is measured using a rain gauge, and more recently remote sensing techniques such as a weather radar. When classified according to the rate of precipitation, rain can be divided into categories. Light rain describes rainfall which falls at a rate of between a trace and 2.5 millimetres (0.098 in) per hour. Moderate rain describes ...
Rain was expected to end or at least taper off. In the West, a storm system bringing heavy rain and mountain snow to the region continues across portions of California, Oregon and Washington.
A bomb cyclone is a storm that strengthens so fast that the central atmospheric pressure plunges 0.71 of an inch (24 millibars) or more in 24 hours or less. The central pressure in Tuesday's bomb ...
A post-Christmas severe weather event put more than 10 million people at risk for damaging thunderstorms across part of the south-central United States. The area that was at risk for severe ...
Precipitation, especially rain, has a dramatic effect on agriculture. All plants need at least some water to survive, therefore rain (being the most effective means of watering) is important to agriculture. While a regular rain pattern is usually vital to healthy plants, too much or too little rainfall can be harmful, even devastating to crops.
The Kona coast is the only area in Hawaii with a summer precipitation maximum. Windward sides face the east to northeast trade winds and receive much more rainfall; leeward sides are drier and sunnier, with less rain and less cloud cover. [69] In the late winter and spring during El Niño events, drier than average conditions can be expected in ...
A wide-reaching storm boosted by an atmospheric river is drenching the entire East Coast Wednesday and its heaviest rain and strongest winds are still to come as it strengthens considerably ...
Certain institutions, such as schools, are likely to close when bad weather, such as snow, flooding, air pollution, tropical cyclones, or extreme heat, causes power outages, or otherwise impedes public safety or makes opening the facility impossible or more difficult. Depending upon the local climate, the chances of a school or school system ...