Chapter 10 Notes

Chapter 10 Notes - Chapter 10 Notes Extratropical Cyclones...

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Chapter 10 Notes Extratropical Cyclones are low pressure systems that cause wet, windy conditions, but are different from tropical cyclones. They are born on the downwind side of tall mountain ranges, near warm ocean currents, and beneath strong jet-stream winds. They are also associated with fronts, and often have comma-cloud shapes with dry slots (a mostly clear region that separates the comma cloud head from the comma tail on satellite images). Norwegian Cyclone Model Life Cycle: o Frontal Wave- cyclone arises as this along a stationary front separating cold, dry cP air from warm, moist mT air. It is called a wave b/c the Warm Sector regions between cold air warm fronts looks like a gradually steepening ocean wave. o Open Wave- next step of development where strong warm and cold fronts with obvious wind shifts arise with the whole system moving to the east or northeast. o
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Chapter 10 Notes - Chapter 10 Notes Extratropical Cyclones...

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