CK12 Earth Science

Table 16.4: Saffir - Simpson Hurricane Scale Category Kph Mph Damage 1 (weak) 119-153 74-95 Above normal; no real damage to stru ...

(20 to 25 feet) for up to 160 km (100 miles) along a coastline. If a storm surge is channeled into a narrow bay, it will greatly ...

the storm until it grew into a Category 5. As it moved through the Gulf, the mayor of the historic city of New Orleans ordered a ...

Figure 16.35: Flooding in New Orleans after Hurricane Katrina caused the levees to break and water to pour through. ( 40 ) ...

Figure 16.36: A near white out in a blizzard in Minnesota. ( 22 ) the jet stream has traveled south and a cold, northern air mas ...

can also be found north of where it is usual. Winds coming from a different direction can also make a region hotter than normal. ...

Where are tornadoes most common in the United States? What is a cyclone? What are the two types of cyclone and how do they diff ...

Points to Consider Why is predicting where tornadoes will go and how strong they will be so difficult? How would the damage don ...

bulb. There are many ways to measure temperature. Some digital thermometers use a coiled strip composed of two kinds of metal, e ...

A change in barometric pressure indicates that a change in weather is coming. If air pressure rises, a high pressure cell is on ...

Figure16.39: Aland-basedweatherstation. Sincesomeoftheinstrumentsmustbeprotected from precipitation and direct heat, they are he ...

Figure 16.40: A weather balloon with a radiosonde beneath it. The radiosonde is the bottom piece and the parachute that will bri ...

which can also track how fast the precipitation falls. Radar can outline the structure of a storm and in doing so estimate the p ...

Figure 16.42: One of the geostationary satellites that monitors conditions over the United States. ( 2 ) are lower, they get a m ...

assumes that the same pattern this week will lead to the same weather. There are lots of possible variations in patterns and cha ...

Weather Maps Weather mapssimply and graphically depict meteorological conditions in the atmosphere. Weather maps may display onl ...

Figure 16.44: Different types of weather that can be shown using a weather symbol. ( 23 ) Weather maps can have many types of co ...

Figure 16.45: Lines of equal pressure drawn on a weather map are isobars. Isobars can be used to help visualize high and low pre ...

Lesson Summary Weather forecasts are more accurate than ever before. Older instruments and data collection methods such as radi ...

Vocabulary barometer An instrument for measuring atmospheric pressure. isobars Lines connecting locations that have equal air pr ...