Related by context. Frequent words. (Click for all words.) 69 ENSO 66 La Niña 61 La Nina 61 El Nino warming 61 equatorial Pacific Ocean 61 El Niño 60 El Ninos 59 sunspot cycle 59 El Nino phenomenon 58 equatorial Pacific 58 atmospheric circulation 57 El Nino 57 storminess 57 North Atlantic Oscillation 57 climatological 56 sunspot activity 54 hydrological cycle 54 tropical cyclones 53 lithosphere 53 glacial melting 52 La Nina weather 51 Climatology 51 sunspots 51 Landsea 51 volcanism 51 NOAA Climate Prediction 51 El Niño phenomenon 51 geomagnetic field 51 geomagnetic 51 decadal 51 westerlies 50 ocean currents 50 Sunspots 50 synoptic 50 mid latitudes 50 harmful algal blooms 50 Younger Dryas 50 substorms 50 subtropical regions 50 upwelling 49 oceanic 49 Climatic 49 convective 49 terrestrial ecosystems 49 World Meteorological Organisation 49 glaciation 49 tropics 49 World Meteorological Organization 49 greenhouse warming 49 geomagnetic storms 49 climatology 49 Finnish Meteorological 49 vertical wind shear 49 crustal 49 anticyclone 49 Climate Prediction Center 48 monsoon trough 48 WMO 48 Hurricane Felicia 48 atmospheric CO 48 subtropical 48 cyclonic circulation 48 mass extinctions 48 plate tectonics 48 Serreze 47 ECMWF 47 sunspot numbers 47 Quaternary 47 Cabo Catoche 47 nitrogen fixation 47 tropical disturbance 47 ionospheric 47 geomagnetic storm 47 equinoxes 47 Kilauea Volcano 47 Coral Reefs 47 meteorologists predict 47 northeasterly winds 47 geologically active 47 Eruptions 47 oscillation 47 interglacial 47 Climatologist 46 coral bleaching 46 climatic 46 species extinctions 46 Polar Regions 46 Tropical Storms 46 landmasses 46 auroral 46 interglacial period 46 oscillations 46 magmatic 46 thundersnow 46 marine sediments 46 aurora 46 sunspot 46 volcanic activity 46 PAGASA 46 Wind shear 45 Hurricane Bertha