El nino Flashcards
1 what direction does easterly Trade winds blow
East to west
1.2 what happens the easterly trade winds and what direction
The easterly trade winds blow from east to west WEAKEN and CHANGE DIRECTION => west to east
2 what is at the east coast of South America
A warm body of water stays on east coast of south America
What two countries are involved
South America and Indonesia
3 what is it called when less cold water upwelling happens at South America
Humboldt current
3 what is the thermocline
The layer of surface warm water in the ocean
3.2 what happens the waters at and beside South America
Less cold water upwelling happens at SA (HUMBOLT CURRENT stops) whilst the THERMOCLINE deepens beside SA (layer of surface warm water in the ocean
4 what stops after the humbolt current stops and thermocline deepens at SA
The walker circulation stops
5 what air is involved and what weather does SA expect
WARM air at coast of SA rises, cools, condenses and gives unexpected rain over west side of SA
5.2 what air is involved and what weather does Indonesia expect
Whilst COLD, dry air descends over Indonesia, giving unexpected DRY conditions