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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Anticyclones are areas of high atmospheric pressure that bring hot, dry weather in the summer and cold fronts in the winter.
Particles such as pollen, grass seeds, or dust in the air that cause allergies and are transported by winds.
Frozen drizzle is a dangerous type of frozen rain. It’s a light rain that falls in very fine drops, which freezes on contact...
A prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus...
Thermodynamic changes occurring within a system without any exchange of heat with the surroundings. In the atmosphere, changes...
A cold core low is a low-pressure system where the coldest temperatures are found near the center. These systems are often...
Ice forms on the surface of highways in a very thin layer that is difficult to distinguish from the color of the asphalt...
The formation of fog when warm and moist air passes over a cool or cold surface or, conversely, when cold air passes over...
The reflectance rate of a surface, indicating the amount of electromagnetic radiation reflected from the surface. It depends...
Convection is the vertical movement of air caused by temperature differences, where warm air rises and cool air sinks. It...