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Extreme events italy
The document summarizes different types of extreme weather events that occur in Italy, including hurricanes, tornadoes, waterspouts, cloudbursts, heatwaves, droughts, severe storms, and floods. It provides statistics on hurricanes and waterspouts in Italy, describes the causes and impacts of these phenomena, and gives some examples of extreme weather events that have impacted Italy in recent years, such as heatwaves in 2019, drought conditions in 2017-2018, and storms and flooding in Venice. The document also discusses how climate change is exacerbating some of these extreme weather risks in Italy in the future.
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Extreme events italy
- 1. EXTREME EVENTS inItaly Hurricanes, tornadoes and waterspouts Cloudbusters Extreme weather: heatwaves droughts severe storms and wind Floods
- 2. Hurricanes and waterspouts ●What are hurricanes and watersprouts? ● What are the dangers? ● The statistics in Italy? ● Extreme weather recently
- 3. Hurricanes and waterspouts ●Tornadoes are vortices of air in a specific zone whose extension could be at most of 100 meters. ● Waterspouts are typhoons which form over expanses of water. ● In Italy there are about 40 hurricanes and 70 waterspouts per year.
- 4. Hurricanes and waterspouts November2019 - tornado in Grosseto-Tuscany November 2018 - waterspout in Salerno
- 5. CLOUDBURSTS Cloudbursts are aphenomenon that occurs when hot air from sea level rises comes into contact with colder air; the water droplets in the air condence and fall in form of rain. The greater the difference in temperature the greater the intensity of the phenomeno They occur by the sea more frequently
- 6. CLOUDBURSTS IN OURREGION Lodi,Italy 12/08/19 Como, Italy 12/06/19 https://youtu.be/FwIiH5ZhWww
- 7. Extreme weather: heatwaves Analysisof the effects of global warming on the frequency and harshness of heatwaves( “A prolonged period of extremely high temperatures for a particular region in a particular season”) in Italy Heatwaves happen when a pressione anomaly occurs
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- 9. Extreme weather: heatwaves Projectionon future climate variation
- 10. Extreme weather: heatwaves projectedfrequency variation
- 11. Extreme weather: heatwaves 2019heathwaves
- 12. Extreme weather: droughts Droughtsare recurrent, disruptive weather events whose impacts are often compounded by extreme and prolonged heat waves. Climate change is making these “hot droughts” significantly hotter - and longer - than they used to be. Significant changes in dry and wet event characteristics are expected in Italy
- 13. Extreme weather: droughts February2018- Part of the Po river dried up 2017 was Italy's driest year since 1800
- 14. Extreme weather: severestorms Severe thunderstorms are defined as having sustained winds above 93 kilometers per hour or unusually large hail, and there are two key factors that fuel their formation:convective available potential energy (CAPE) and strong wind shear. CAPE is a measure of how much raw energy is available for storms; it relates to how warm, moist, and buoyant air is in a given area. Wind shear is a measure of how the speed and direction of winds change with altitude.
- 15. Extreme weather: severestorms May 2018 Storms and winds up to 200 km/h brought the ‘apocalypse’ to the Dolomites. Around 14 million pine trees and red spruces have been razed November 2018 Hundreds of boats were destroyed along the coastline of Liguria
- 16. Floods A flood isan overflow of water that submerges land that is usually dry. The primary effects of flooding include loss of life, damage to buildings and other structures, including bridges, sewerage systems, roadways, and canals. Floods are becoming more frequent and extreme in Italy
- 17. The increasing frequencyof floods in Venice is connected to the rising level of the sea, and to the heavy rains, which are caused by the hot atmosphere, which is able to hold back humidity. Sea Floods Venice,Italy
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