Run from the water hide from the wind storm surge

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Shelly Cashman Series Microsoft Office 365 & Excel 2019 Comprehensive
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Chapter 11 / Exercise 03
Shelly Cashman Series Microsoft Office 365 & Excel 2019 Comprehensive
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Run from the water, hide from the wind Storm surge - Greatest on the RHS (5-30 ft rise in sea-level) - Amplified by bays or inlets - Enhanced by tides, shape of the costline Inland Flooding - Worst conditions: slow moving hurricanes locations with a lot of terrain locations with poor land management High Winds caused by very strong pressure gradient strongest on the right side (in the Northern Hemisphere)
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Shelly Cashman Series Microsoft Office 365 & Excel 2019 Comprehensive
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Chapter 11 / Exercise 03
Shelly Cashman Series Microsoft Office 365 & Excel 2019 Comprehensive
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hurricane-force winds can extend 50+ miles from the eye very destructive because the winds change direction Hurricane Maria Eyewall Replacement Cycle - R x v = constant o Small R, big v o Small area of VERY intense winds - R x v = constant o Larger R, slightly weaker v o Larger area of slightly less intense winds Tornadoes - Tropical cyclones can spawn tornados, which are most common in spiral bands in the right-front quadrant - Usually weak, short lived - Rotating thunderstorms (called supercells) are much smaller than the tropical cyclone o Region of rotating thunderstorms in last slide. Concentrated in spiral bands in right-front quadrant - Red line is track of hurricane Watches and Warnings - Hurricane Watch: tropical Storm of Hurricane conditions are excepted in coastal area within the next 48 hours - Hurricane Warning: … within the next 36 hours Forecasting - Primary components: - Track o Where will tropical cyclone move? o How fast will tropical cyclone move? - Intensity o How strong will tropical cyclone be? o Depends somewhat on track (land interaction) - Impacts o Inland wind, storm surge, flooding, etc. NCAA Tournament Non-linear, chaotic systems… We have ~2000 games, ~20,000 players’ statistics at our disposal Never Trust a Rodent to Predict the Weather - 2019 – Didn’t see its shadow (early spring). This animal has no predictive skill… Garbage Predictability - The larger an atmospheric phenomenon is, the longer it last, and the more predictable it is. Von Karman Vortices El Niño - Peruvian fishermen fish the nutrient rich, cold water off the west coast of Peru o Every 2-7 years starting around Christmas, the cold, nutrient rich waters would warm up unexpectedly Fish would leave! o Name: El Niño= “The Little Boy” = Christ Child (Christianity) because these events reached a peak near Christmas o Why would we study this? It changes weather patters around the world Average State in the South Pacific… - Region where El Niño/ La Niña Occurs The Slosh When El Niño events occur - Every 2 to 7 years, the trade winds weaken, stop and sometimes reverse o High pressure builds over Australia o Low pressure builds over Peru - *** Warm water sloshes back across the Pacific Ocean redistributed clouds and precip across 5,000 miles of ocean
Sequence of events: 1. Surface pressure systems weaken. 2. slows the trades (might even stop or reverse them) 3. Warm water sloshes back to the east 4. Precipitation shifts eastward What is La Niña?

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