Perigean spring tide Perigean spring tide A proxigean spring tide (also known as a perigean spring tide) is a tide that occurs three or four times per year when the Moon's perigee (its closest point to Earth during its 29.5-day elliptical orbit) coincides with a spring tide (when the Earth, Sun and Moon are nearly aligned every two weeks). This tide usually adds only a couple of inches to normal spring tides. The Moon's orbit around Earth is elliptical, which causes the Moon to be closer to Earth and farther away at different times. The Moon and the Sun are aligned every two
Full Moon Over Miami and a desperate Sandy considers dating Charlie. Greg encourages his co-workers to pursue their romantic fantasies and an astronaut arrives with a lump on his head. Full Moon Over Miami Full Moon Over Miami is a one-off programming block of a three-way, two-hour crossover event on NBC which involved three television sitcoms created by Susan Harris: "The Golden Girls", "Empty Nest" and "Nurses". The event depicts a fictional full moon on Leap Day storming into the storylines of the three series set in Miami, Florida. The episodes aired back-to-back on Saturday, February 29, 1992 from 8:00 to 10:00 p.m. EST.