Related by context. Frequent words. (Click for all words.) 64 latitudes 64 temperate zones 62 equatorial regions 61 tropics 60 subarctic 60 northern latitudes 60 temperate regions 60 mid latitudes 59 polar vortex 59 subtropics 58 subtropical regions 58 Polar Regions 58 temperate forests 57 eastern equatorial Pacific 57 upwellings 57 El Niños 57 equatorial Pacific Ocean 56 equatorial 56 poleward 56 La Nina pattern 56 colder winters 55 polar regions 55 SSTs 55 milder winters 55 Antarctic peninsula 55 warmer drier 54 equator 54 fiords 54 warmer temperatures 54 easterlies 54 hotter summers 54 northern hemisphere 54 storminess 54 equatorial Pacific 54 phytoplankton blooms 53 Northern Hemisphere 53 insolation 53 El Ninos 53 polar 53 Weddell Sea 53 interglacial period 53 northern climes 53 drier summers 53 La Nina cooling 53 colder climes 53 aurorae 53 Sunspots 52 temperature inversions 52 Migrating birds 52 warmer 52 arctic 52 Arctic Oscillation 52 deciduous forests 52 ITCZ 52 balmy temperatures 52 temperate 52 icecap 52 warmer winters 52 southern hemispheres 52 temperate climates 51 El Nino warming 51 tropical climates 51 grassy plains 51 cumulus clouds 51 subtropical climate 51 geomagnetic 51 southerlies 51 landmasses 51 ultraviolet wavelengths 51 evergreen forests 51 Pacific Decadal Oscillation 51 cirrus clouds 51 westerlies 51 ocean ridges 51 solar irradiance 51 Sea otters 51 hydrothermal vent 50 glaciated 50 Warm temperatures 50 ridging 50 cold winters 50 freshwater ponds 50 plankton blooms 50 underwater volcanoes 50 degrees Fahrenheit warmer 50 aridity 50 Beringia 50 Unusually warm 50 wintering grounds 50 landforms 50 Antarctic Peninsula 49 shallow continental shelf 49 terrestrial ecosystems 49 Qinghai Tibet Plateau 49 arctic tundra 49 anticyclone 49 Antarctica 49 rainier 49 troposphere 49 auroral 49 volcanic vents