After a long, cold winter, the vernal equinox heralds the arrival of spring in the Northern Hemisphere. But have you heard ...

The cycle of the seasons is not symmetrical, and it does not at all mirror the progression of the solstices and equinoxes. The vernal equinox was Monday. The mean temperature (average of low and high) ...

ORLANDO, Fla. – Spring has officially arrived! The vernal equinox arrived on March 20, marking the start of the season for the Northern Hemisphere. But what does that really mean? Let’s break it down.

You may have heard us talk about "meteorological seasons" that don't match up with the seasons you typically see on the calendar. While that may sound weird, there is a reason meteorologists use these ...

Peak sunshine has arrived in the Northern Hemisphere — the summer solstice. Friday is the longest day of the year north of the equator, where the solstice marks the start of astronomical summer. It's ...

Twice a year, the sun doesn’t play favorites. Everyone on Earth is seemingly on equal status – at least when it comes to the amount of light and dark that they get. On Monday, we enter our second and ...

The March equinox arrives this month at a time when the Sun is already in its most active phase in years, setting up a seasonal alignment that solar physicists have long associated with stronger ...

Although meteorological summer and the 2025 Atlantic hurricane season both began already, on June 1, another measuring stick for summer's arrival will come this weekend. This Friday, June 20, is the ...