Jet streams, which are rapidly moving ribbons of air 6 to 9 miles above the Earth, influence the weather by separating warm and cold air and pushing weather systems around the globe. The movement of a jet stream affects temperatures and precipitation. Meteorologists describe jet streams as resembling rivers in their flow.Continue Reading
The average jet stream is a band of wind traveling between 120 and 250 miles per hour. Each jet stream is up to several hundred miles wide and thousands of miles long.
Each winter, the polar jet stream moves south and grows stronger as the North Pole grows colder. Each winter, the polar jet stream reaches the United States, influencing weather in much of the country.
Those hiking Mount Everest, the world's tallest mountain, sometimes encounter the jet stream in the form of powerful, icy winds. These winds are sometimes so high and cold that they are forced to remain in their tents until they subside.
The subtropical jet stream near the southeastern portion of the U.S. also moves and shifts throughout the year. It tends to have the most dramatic impact when there is an El Niño weather event in effect. During these times, it creates wetter and colder conditions in Florida and Georgia in particular.Learn more about Weather Seasons
Summer-like weather begins in New Zealand around December. The summer season is officially December through February because the country lies in the southern hemisphere, meaning that the seasons are reversed from those in the northern hemisphere. January and February have the hottest summer temperatures.Full Answer >
The elements that make up weather are temperature, humidity, precipitation, visibility, wind and atmospheric pressure. Weather describes the behavior of the atmosphere and what effect it is expected to have on the population.Full Answer >
The characteristics of fall weather vary according to where one is experiencing the weather, but in the Northeast portion of the United States, fall weather is characterized by shorter days and mild to brisk daytime temperatures that drop sharply at night. Fall also brings cool, blustery winds and frequent rain.Full Answer >
The weather in Negril, Jamaica, in November is pleasant, with an average temperature of 79 degrees Fahrenheit. The temperature generally does not drop below 73 F in the night, nor does it exceed 84 F during the day.Full Answer >