SOES: INTERANNUAL VARIABILITY 0.0 / 5 ? AllweatherclimateENSOUniversityNone Created by: Annal22Created on: 20-01-17 11:26 During the warm phase of the PDO, which country's fisheries benefit from upwelling? Alaska 1 of 21 Which fish is fished in California and Alaska? Salmon 2 of 21 During the cold phase of the PDO, what occurs along the California coast? upwelling 3 of 21 The cold phase of the PDO causes cold water to build up along the US coast. This is because of weaker ........ ............ . trade winds 4 of 21 The name of the area of low pressure developing over Alaskan Islands. Aleutian 5 of 21 El Nino causes PDO to be sent into the ........ phase. warm 6 of 21 The name of the wave type which transfers weather systems across the globe. kelvin 7 of 21 .......... analysis can be used in order to look at individual waves within wave forms. spectral 8 of 21 A type of blocking pattern which can be caused by meander in Rossby waves. Omega 9 of 21 During the negative phase of the NAO, pressure difference is ................. . weakened 10 of 21 NAO stands for .......... ................. Oscillation. North Atlantic 11 of 21 Westerly winds are ............ during the positive phase of the NAO. stronger 12 of 21 When winds are stronger during the NAO, Northern Europe is ............ . warmer 13 of 21 In the negative NAO, there are waves in the atmospheric .... .......... . jet stream 14 of 21 The strength and direction of Westerlies are controlled by .............. differences. pressure 15 of 21 Iceland represents an area of ......... pressure. low 16 of 21 An area of high pressure in the NAO is known as the ............. high. Azores 17 of 21 The name of the weather feature created by the difference in pressure across stratospheric layers, which keeps cold Arctic air in the Arctic. polar vortex 18 of 21 The abbreviation for the event which involves the jet stream changing direction every 14 months. QBO 19 of 21 The polar vortex is enhanced when the quasibiennial oscillation is in its ............. phase. westerly 20 of 21 Weak westerly winds can be as a result of a ........... PV. weak 21 of 21
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