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 percentage of water vapor in the air relative to the maximum amount of water vapor the air can hold at a given temperature.
An instrument for measuring atmospheric pressure.
A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...
The jet stream forming the boundary between tropical air and sub-tropical air, characterized by isothermal compression and...
Any form of water - liquid or solid - that falls from the atmosphere to the Earth's surface, including rain, snow, sleet,...
The belt between 50-70 ° N and S latitudes in the Northern and Southern Hemispheres, adjacent to the Polar Region. Although...
Precipitation in the form of small balls or lumps of ice that form in thunderstorm updrafts and fall to the ground.
The heating of the Earth by the sun causes daily changes in both the direction and speed of the wind. During the day, ground...
The situation where there is no advection because the constant pressure surfaces and temperature surfaces in the atmosphere...
A deviation from the normal or expected value in atmospheric or climatic conditions, often used in meteorology to identify...