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The spring season associated with the vernal equinox, called astronomical spring, occurs on or around March 20 in the Northern Hemisphere, but meteorologists recognize March 1 as the first day of ...
A quick look at the calendar shows the first day of spring, landing in mid-March, is right around the corner. But, did you know it also starts on March 1?
The Met Office explains the difference between meteorological spring and astronomical spring
In meteorology, prevailing wind in a region of the Earth's surface is a surface wind that blows predominantly from a particular direction. The dominant winds are the trends in direction of wind with the highest speed over a particular point on the Earth's surface at any given time.
Consequently, a wind blowing from the north has a wind direction referred to as 0° (360°); a wind blowing from the east has a wind direction referred to as 90°, etc. Weather forecasts typically give the direction of the wind along with its speed, for example a "northerly wind at 15 km/h" is a wind blowing from the north at a speed of 15 km/h ...
Six ecological seasons can be distinguished without fixed calendar-based dates like the meteorological and astronomical seasons. [40] Oceanic regions tend to experience the beginning of the hibernal season up to a month later than continental climates. Conversely, prevernal and vernal seasons begin up to a month earlier near oceanic and coastal ...
Astronomical winter v. meteorological winter, explained "Astronomical seasons" are defined by the Earth's position in relation to the sun, ... Spring: March, April and May. Summer: ...
Also actiniform. Describing a collection of low-lying, radially structured clouds with distinct shapes (resembling leaves or wheels in satellite imagery), and typically organized in extensive mesoscale fields over marine environments. They are closely related to and sometimes considered a variant of stratocumulus clouds. actinometer A scientific instrument used to measure the heating power of ...