What is Warning?
A weather warning means that a weather hazard is occurring, imminent, or likely. In other words, severe weather is happening now, developing as we speak, and is minutes away. This weather hazard poses a threat to life and property.
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The horizontal transport of any feature within the atmosphere due to the movement of air (wind). This includes phenomena...
Cloud or rain droplets containing pollutants, such as oxides of sulfur and nitrogen, to make them acidic.
Ice forms on the surface of highways in a very thin layer that is difficult to distinguish from the color of the asphalt...
A sudden electrostatic discharge during a thunderstorm between electrically charged regions of a cloud, between clouds, or...
A mass of very cold, dry air that mostly originates over the Arctic Ocean.
The trapping of heat in the Earth's atmosphere due to greenhouse gases, such as carbon dioxide and methane, which allows...
Snow that rises to 8 feet or higher.
Convection is the vertical movement of air caused by temperature differences, where warm air rises and cool air sinks. It...
A scale for estimating wind speed based on observed conditions of the sea or land. It ranges from 0 (calm) to 12 (hurricane)...
The heating of the Earth by the sun causes daily changes in both the direction and speed of the wind. During the day, ground...