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  2. Meteorological fall lasts for 91 days every year, starting on Sept. 1 and lasting through Nov. 30. Meteorological spring is March, April and May. Meteorological summer is June, July and August.

  3. Autumn - Wikipedia

    en.wikipedia.org/wiki/Autumn

    Autumn, also known as fall, [1] is one of the four temperate seasons on Earth. Outside the tropics, autumn marks the transition from summer to winter, in September (Northern Hemisphere) or March (Southern Hemisphere). Autumn is the season when the duration of daylight becomes noticeably shorter and the temperature cools considerably.

  4. When is the first day of fall? Here's what you need to know ...

    www.aol.com/first-day-fall-heres-know-080138893.html

    What is 'meteorological' fall? While "astronomical" autumn begins on Sept. 22, the "meteorological" one always starts on Sept. 1. Meteorological fall lasts for 91 days every year, lasting through ...

  5. When is the first day of fall? What to know about the start ...

    www.aol.com/first-day-fall-know-start-162952901.html

    The first day of fall this year, also known as the autumnal equinox is Sunday, Sept. 22. According to the Farmer's Almanac, the exact time of the autumnal equinox in the Northern Hemisphere is 8: ...

  6. Atmospheric circulation - Wikipedia

    en.wikipedia.org/wiki/Atmospheric_circulation

    The Hadley cell is a closed circulation loop which begins at the equator. There, moist air is warmed by the Earth's surface, decreases in density and rises. A similar air mass rising on the other side of the equator forces those rising air masses to move poleward. The rising air creates a low pressure zone near the equator.

  7. Marine weather forecasting - Wikipedia

    en.wikipedia.org/wiki/Marine_weather_forecasting

    Between 1986 and 1989, [6] the portion of the National Meteorological Center (NMC) known as the Ocean Products Center (OPC) was responsible for marine weather forecasting within the NWS. [7] Between August 1989 and 1995, the unit named the Marine Forecast Branch also was involved in providing objective analysis and forecast products for marine ...

  8. What’s meteorological fall? It’s already here, with ...

    www.aol.com/meteorological-fall-already...

    September 1 is the start of meteorological fall, and this year will bring higher temperatures than normal to Tacoma, western Washington. September 1 is the start of meteorological fall, and this ...

  9. Atmospheric thermodynamics - Wikipedia

    en.wikipedia.org/wiki/Atmospheric_thermodynamics

    Atmospheric thermodynamics is the study of heat-to-work transformations (and their reverse) that take place in the Earth's atmosphere and manifest as weather or climate. . Atmospheric thermodynamics use the laws of classical thermodynamics, to describe and explain such phenomena as the properties of moist air, the formation of clouds, atmospheric convection, boundary layer meteorology, and ...