General Circulation of the AtmosphereHadley CellSlide 3Slide 4Slide 5Slide 6MonsoonsSlide 8MonsoonSlide 10Monsoon OriginWest African MonsoonSlide 13Southwest U.S. MonsoonSlide 15Slide 16Slide 17The Jet StreamB-29s flying westward to JapanJet Streams are NOT uniformSlide 21Jet Streams Associated with Horizontal Temperature GradientsAir MassesSlide 24Slide 25Slide 26Slide 27Slide 28Slide 29Maritime PolarBering Sea Cloud StreetsSlide 32Slide 33Slide 34Slide 35Slide 36General Circulation of the AtmosphereHadley CellMonsoonsA monsoon is a term from early Arabs called the "Mausin," or "the season of winds." This was in reference to the seasonally shifting winds in the Indian Ocean and surrounding regions, including the Arabian Sea.Indian MonsoonSW US MonsoonMonsoonMonsoon OriginWest African MonsoonSouthwest U.S. MonsoonThe Jet Stream•A long, narrow current of strong winds in the midlatitudes that is generally found in the upper troposphere and lower stratosphere (roughly 25,000-35,000 ft, 400-250 hPa).•First became obvious during WWII as high flying aircraft was sped up and slowed down on their missions.•Strongest can exceed 200 mph. Nearly always from the west in midlatitudesB-29s flying westward to JapanJet Streams are NOT uniformJet Streams Associated with Horizontal Temperature GradientsAir MassesMaritime Tropical Source RegionContinental Polar Source RegionContinental Tropical Source RegionMaritime PolarBering Sea Cloud
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