What is Clear?
Observation of the sky from the observer's location where there are no clouds, and there is no obstruction to visibility. Clear sky. In meteorology, this term is also used when the cloud cover is less than 1/8 during the day or at the observation hour.
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The decrease in temperature with height in an adiabatically rising air parcel (lapse rate). For dry air, this value is 1...
A large body of air having similar horizontal temperature and moisture characteristics.
A rapidly rotating column of air extending from a thunderstorm to the ground, capable of causing significant damage.
A scale for estimating wind speed based on observed conditions of the sea or land. It ranges from 0 (calm) to 12 (hurricane)...
A weather warning means that a weather hazard is occurring, imminent, or likely. In other words, severe weather is happening...
The names given to the winds blowing from the four cardinal directions (north, east, south, and west - N, E, S, W) on a compass.
Confluence refers to the area where two or more air streams or bodies of water meet and combine. In meteorology, it often...
Jet streams are strong, fast-flowing air currents in the upper levels of the atmosphere. They form when warm air masses meet...
The belt between 50-70 ° N and S latitudes in the Northern and Southern Hemispheres, adjacent to the Polar Region. Although...
A blizzard is a storm that lasts 3 hours or more, with persistent winds/frequent gusts of 35 mph or more along with significant...