On August 19, 2005, up to 175 mm of rain fell over Toronto in less than 2 hours. (Answer: There are many reasons students might give, such as population growth, development into areas more at risk for natural disasters, sea-level rise, or climate change.) Each air mass has unique temperature and humidity characteristics. Ontario is the other hail-prone area of Canada with over one quarter of the summer severe weather events due to hail. Avoid using a telephone connected to a landline. Watch a video about the 2017 California wildfires. Building codes in California require builders to meet standards set to minimize structural damage in an earthquake and coastal cities have building code to reinforce roofs and walls to resist a storms high winds. Relative humidity is normally at its maximum when the temperature is at its lowest point of the day, usually at dawn. Text on this page is printable and can be used according to our Terms of Service. The vertical position corresponds with the confidence in attribution science and the horizontal position indicates the level of understanding of how climate affects that type of event. All thunderstorms start with moisture and rising warm air. AB/SK border. There are four different types of weather fronts: cold fronts, warm fronts, stationary fronts, and occluded fronts. In groups, have students research Hurricane Harvey, and use the worksheet to analyze the effect climate change had on the flooding from the storm. From 2000 to 2017, there was a 17% decrease in the national average of ozone because of these efforts. After heavy winds, check your property for dead branches and damage. Ask: What types of natural disasters are shown on the map? Fueled by copious moisture from a warm Gulf of Mexico, the slow-moving Imeldas torrential rains and flooding wreaked havoc over a wide region. If not, what are the arguments for and against? Hail forms when updrafts in thunderclouds carry raindrops upward into extremely cold areas of the atmosphere, where they freeze and merge into lumps of ice. Scientists have evidence that global warming should increase CAPE by warming the surface and putting more moisture in the air through evaporation. The first and most important thing to remember is that if you can hear thunder, you are within striking distance of lightning. If the reading is in the mid to high 30s, then you should tone down or modify certain types of outdoor exercise, depending on the individual age and health, physical shape, the type of clothes worn and other weather conditions. A stationary front forms when a cold front or warm front stops moving. When you reach out to them, you will need the page title, URL, and the date you accessed the resource. Record-sized hailstones are named after the individual who finds and preserves them.
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