Spring is here. With the advent of March, we leave meteorological winter and enter meteorological spring.
Depending on where you are in the Northern Hemisphere, you’ve either been enjoying spring-like weather for weeks or you’ve wondered whether the calendar had gotten stuck in mid-January.
But as of today, it is definite: Meteorological spring is already upon us.
In the United States and Canada, for example, spring months are March, April, and May, while in Ireland, following the Irish calendar, they are February, March, and April. In Sweden, meteorologists define the beginning of spring as the first occasion on which the average 24-hour temperature exceeds the freezing mark for seven consecutive days, while in Australia, the spring months are September, October, and November.
However, we will have to wait a few weeks for astronomical spring.
The vernal equinox, the official start of astronomical spring, will take place on Tuesday March 19 at 11:06 pm. EDT, 4:06 a.m. CET on March 20 on the European continent, and 6:04 p.m. on the West Coast of the United States.
While stronomical spring, based on the position of the Earth in relation to the sun, begins on the spring equinox. The difference is that meteorologists and climatologists divide the seasons into three-month groupings where temperatures are similar, while the astronomical seasons begin on the year’s equinoxes and solstices.
(Photo: Accura Media Group)
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