26 What might cause the spike in precipitation in the Pacific Northwest?.24 How might global warming affect the precipitation quizlet?.22 What occurs when the Northern Hemisphere experience spring in the Southern Hemisphere experiences fall?.21 What occurs when the Northern Hemisphere experiences spring and the Southern Hemisphere experiences fall quizlet?.20 How does global warming affect wind patterns?.19 How do wind patterns affect climate?.18 How does the latitude of a region affect its climate quizlet?.16 What weather pattern or seasonal change in the direction of the prevailing or strongest winds in the region?.15 What effects do urban buildings have on wind?.14 Why are prevailing winds a precipitation factor?.12 How do atmospheric circulation cells affect precipitation?.11 Which of the following is an example of regional wind pattern?.9 How are precipitation patterns changing?.8 What is the most likely effect of an increase in precipitation?.7 What affects the patterns of prevailing winds?.

6 Which describes how prevailing winds affect precipitation in a region quizlet?.

5 How do regional winds affect precipitation?.

Marshall Space Flight Center Meteoroid Environment Office.

Search this blog Search for: Search Archives Today, we celebrate the equinox as an astronomical event caused by Earth’s tilt on its axis and its motion in orbit around the Sun.Įnjoy the new season – whichever side of the globe you’re on! Additionally, earlier civilizations built the first observatories, like Stonehenge in Wiltshire, England, and the Intihuatana stone in Machu Picchu, Peru, to follow the Sun’s annual progress.

They knew that the Sun’s path across the sky, length of daylight, and location of sunrise and sunset all shifted in a regular way throughout the year. The people of ancient cultures used the sky as a clock and calendar. We will also feel cooler days with chillier winds, and dry, falling leaves. In the Northern hemisphere, the September equinox marks the start of a period bringing us later sunrises and earlier sunsets. But on these special days – the spring and fall equinoxes – the Sun shines almost equally on the Northern and Southern hemispheres. That’s because Earth’s axis is tilted with respect to the Sun-Earth plane. The rest of the year, the Sun shines unevenly over the Northern and Southern Hemispheres. This only happens twice in Earth’s year-long trip around the Sun. Spring twilight at the North Pole begins a few weeks before the vernal, or spring, equinox in March, when the Sun rises above the horizon again. Credit: NASA/JPL-CaltechĪlong with marking the beginning of astronomical fall, the Sun will be exactly above Earth’s equator, moving from north to south, making day and night nearly equal in length – about 12 hours – throughout the world.Īt the North Pole, over the upcoming days, the Sun will sink below the horizon for a kind of twilight from now until sometime in October when it will be completely dark, according to NASA solar scientist Mitzi Adams. During the equinoxes, both hemispheres receive equal amounts of daylight. An illustration of the March (spring) and September (fall or autumn) equinoxes. 1, however, the September (or fall) equinox gives us the green light to welcome the astronomical fall season in the Northern Hemisphere (and astronomical spring season in the Southern Hemisphere).

In meteorology, the fall season begins on Sept.

Spring equinox fall equinox quizlet