The Earth’s Atmosphere Contents Part 4 pdf

... greater the pressure gradient. The greater the pressure gradient, the stronger the pressure gradient force (PGF). The stronger the PGF, the greater the wind speed. The red arrows represent the relative magnitude ... The difference in wind pressure from one side of a cup to the other causes the cups to spin about the shaft. The rate at which they rotate is direc...

Ngày tải lên: 09/08/2014, 11:20

... –22 –26 –31 –35 40 44 49 –53 20 0 –5 –10 –15 –21 –26 –31 –36 42 47 –52 –57 –63 –68 30 –3 –8 – 14 –20 –25 –31 –37 43 48 – 54 –60 –65 –71 –77 40 –5 –11 –17 –23 –29 –35 41 47 –53 –59 –65 –71 ... 41 49 –56 – 64 –71 –79 –86 –93 –101 –109 –116 35 4 4 –12 –20 –27 –35 43 –52 –58 –67 – 74 –82 –89 –97 –105 –113 –120 40 3 –5 –13 –21 –29 –37 45 –53 –60 –69 –76 – 84 –92 –100 –107 –115 –123 45 ....

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... temperature drops dramatically with height. Above the mesosphere lies the warmest part of the atmosphere, the thermosphere. At the top of the ther- mosphere is the exosphere, where collisions between gas ... – 148 –130 –90 183 –112–80 193 – 94 70203 –76 –58 –60 –50 40 –30 213 223 233 243 40 –22 4 –20 14 –10 253 263 273 283 293 303 323 333 343 353 0 10 20 30 40...

Ngày tải lên: 09/08/2014, 11:20

... in a conditionally unstable atmosphere over the Great Plains. Notice that, in the distance, the cumulonimbus with the anvil top has reached the stable part of the atmosphere. to peer into a tornado-generating ... lingering close to the ground. As the day progresses, sunlight warms the surface and the surface warms the air above. As the air temperature near the...

Ngày tải lên: 09/08/2014, 11:20

... 8 –23 33 1020 1 044 1 040 1036 16 3 1032 1016 53 43 49 44 1012 1008 10 04 1020 10 24 1028 1032 6 meted to a new low of –22°C (–7°F) for the airports in Philadelphia and Baltimore. Toward the end of the month, the ... sky.” 30 29 1009 1010 22 15 1007 26 23 1009 24 18 1009 27 23 1006 10 04 1008 1003 10 04 1009 48 46 47 45 P 1005 1006 54 49 1008 51 47 P' 0 0 20...

Ngày tải lên: 09/08/2014, 11:20

... 10.32 Some of the features associated with a tornado-breeding thunder- storm as viewed from the southeast. The thunderstorm is moving to the northeast. The tornado forms in the southwest part of the thunderstorm. ... 10.23 The lightning rod extends above the building, increasing the like- lihood that lightning will strike the rod rather than some other part of the...

Ngày tải lên: 09/08/2014, 11:20

... the broad belt around the earth known as the trop- ics the region 23 1 ⁄ 2 ° north and south of the equator— the weather is much different from that of the middle latitudes. In the tropics, the ... do they form? And why do they strike the east coast of the United States more frequently than the west coast? These are some of the questions we will consider in this chapt...

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... downwind. Either these particles and gases slowly settle to the ground in dry form (dry deposition) or they are re- moved from the air during the formation of cloud particles and then carried to the ... Waialeale on the island of Kauai, Hawaii, has the greatest annual average rainfall on record: 1168 cm (46 0 in.). Cherrapunji, on the crest of the southern slopes of the Kha...

Ngày tải lên: 09/08/2014, 11:20

... episodes during the past 2 mil- lion years are the result of small variations in the tilt of the earth’s axis and in the geometry of the earth’s orbit around the sun. Another theory suggests ... (eccentricity) of the earth’s orbit about the sun 2. precession of the earth’s axis of rotation, or wobbling 3. changes in the tilt (obliquity) of the earth’s axis In...

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... 38 37 36 33 30 26 22 17 11 45 44 44 43 43 42 42 41 40 40 39 36 33 29 25 21 15 47 .5 47 46 46 45 45 44 44 43 42 42 39 35 32 28 24 19 50 49 49 48 48 47 47 46 45 45 44 41 38 35 31 28 23 TABLE D.1 ... DePaola. CHAPTER 4 Figs. 4. 7a, 4. 7b, 4. 9, 4. 11, 4. 13, 4. 14, 4. 16, 4. 18, 4. 19, 4. 20, 4. 21, 4. 22, 4. 23, 4. 24, 4. 25, 4. 26, 4. 27, 4....

Ngày tải lên: 09/08/2014, 11:20