Related by context. Frequent words. (Click for all words.) 55 tropospheric 55 phytoplankton blooms 54 Solar flares 54 substorm 54 El Niño Southern Oscillation 53 biogeochemical 53 El Nino warming 53 ionospheric 52 geomagnetic field 52 QuikSCAT 52 interplanetary spacecraft 51 atmospheric circulation 51 hydrologic cycle 51 magnetic reconnection 51 aerosol particles 51 geomagnetic 51 atmospheric turbulence 50 solar irradiance 50 coronal hole 50 equatorial Pacific Ocean 50 aurorae 49 upwellings 49 substorms 49 meteorite impacts 49 coronal mass ejections 49 Earth Observing 49 MJO 49 cosmic ray 49 auroral 49 atmospheric chemistry 49 La Nina cooling 49 Wind shear 48 polar vortex 48 Night Scattered showers 48 bird migrations 48 convective 48 ionosphere 48 geomagnetic storms 48 Tropical Rainfall Measuring 48 Cosmic rays 48 ENSO 48 Polar Regions 48 Meteorological Satellite 48 polar orbiting 47 La Nina phenomenon 47 ocean salinity 47 remotely sensed 47 El Nino phenomenon 47 ITCZ 47 Meteorologists predict 47 equatorial Pacific 47 El Niños 47 CALIPSO 47 hydrological cycle 46 Northerly winds 46 radiative 46 eastern equatorial Pacific 46 supercells 46 microbursts 46 X ray emission 46 solar flares 46 circadian clock 46 sunspot activity 46 storminess 46 perturbations 46 earthquakes volcanoes 46 terrestrial ecosystems 45 mid latitudes 45 cryosphere 45 El Ninos 45 sunspot cycle 45 cirrus clouds 45 noctilucent clouds 45 warmer wetter 45 solar corona 45 vertical wind shear 45 magnetosphere 45 Sunspots 45 harmful algal blooms 45 plankton blooms 45 radiative forcing 45 volcanic gases 45 poleward 45 NCAR scientist 45 oscillations 45 geoid 45 explosive eruptions 44 Antarctic ozone 44 stratospheric ozone 44 Isolated showers 44 microsatellites 44 Ocean Observing 44 tropical cyclones 44 Earth magnetosphere 44 numerical modeling 44 cyclonic circulation 44 insolation 44 irradiance 44 supercell 44 geomagnetic storm 44 isolated tornadoes