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(Click for frequent words.) 68 coronal hole 66 recurrent coronal hole 65 Geomagnetic 63 geomagnetic activity 62 geomagnetic 62 geoeffective 61 polar vortex 61 Geophysical Activity Summary #/#Z 60 sunspot cycle 59 sunspot numbers 58 Activity Forecast 58 geomagnetic indices 58 coronal holes 58 Earth ionosphere 57 geomagnetic storms 57 Geomagnetic storms 57 cosmic ray intensity 57 Sporadic rains 57 anticyclonic 57 tropospheric 57 volcanic plumes 57 solar irradiance 56 fissure eruption 56 galactic cosmic rays 56 substorm 56 vorticity 56 Orionids 56 Quadrantid meteor shower 56 midlatitudes 56 Rossby waves 56 magnetospheric 56 auroral activity 55 SST anomalies 55 planet magnetosphere 55 cosmic ray flux 55 sunspot activity 55 ionosphere 55 Southern Oscillation 55 oscillations 55 equatorial Pacific Ocean 55 Earth magnetosphere 55 2 MeV electron 55 magnetosphere 55 HF propagation 55 planetary orbits 55 lunar perigee 55 auroral displays 54 periodicities 54 geosynchronous orbit reached 54 northwesterly flow 54 System #L 54 YORP effect 54 Ulysses spacecraft 54 X ray emission 54 volcanic tremor 54 tropical cyclone formation 54 electron density 54 Solar Activity Forecast 54 advection 54 Madden Julian Oscillation 54 solar minima 54 tropopause 54 eastern equatorial Pacific 54 equatorial latitudes 54 electron flux 54 altocumulus 54 sunspot 53 axial tilt 53 ENSO cycle 53 Cassini flyby 53 sunspots 53 Cosmic rays 53 airglow 53 Quadrantids 53 substorms 53 Yarkovsky effect 53 Geminid shower 53 mid latitudes 53 Milankovitch cycles 53 meridional flow 53 magnetotail 53 Advanced Microwave Scanning 53 atmospheric circulation 53 lowermost mantle 53 tidally 53 mesosphere 53 auroral 53 slender crescent 53 diffuse aurora 53 geomagnetic storm 53 warm interglacial periods 52 ITCZ 52 cosmic ray particles 52 Upsilon Andromedae 52 solar corona 52 thermal gradient 52 particle acceleration 52 La Nina cooling 52 deep convective clouds 52 oceanic circulation 52 Mpc 52 #P/Churyumov-Gerasimenko 52 gravitational redshift 52 Corot 9b 52 hydrological cycle 52 teleconnections 52 Southern Oscillation Index 52 ionospheric disturbances 52 Eta Aquarid meteor shower 52 Infrared Pathfinder Satellite 52 aurorae 52 Vertical wind shear 52 longwave radiation 52 Shiveluch 52 exosphere 52 sunlike stars 52 galactic disk 52 circular orbits 52 tropical latitudes 52 starquakes 52 Polar Vortex 52 albedo reflectivity 52 polar mesospheric clouds 52 convective 52 antineutrinos 52 eruptive activity 52 X ray binaries 52 changeable cloudy 51 magnetic polarity 51 elliptical orbits 51 magnetic reconnection 51 Seismicity remains 51 Isidis Planitia 51 earthshine 51 meteoroids 51 convective clouds 51 atmospheric disturbances 51 surface temperatures SSTs 51 ionise 51 El Niño Southern Oscillation 51 Gangetic West 51 chlorine monoxide 51 Atlantic Multidecadal Oscillation AMO 51 Pacific Decadal Oscillation PDO 51 Oort Cloud 51 orbital resonance 51 Kuiper belt objects 51 Comet Tempel Tuttle 51 coastal upwelling 51 retrograde orbit 51 downwelling 51 southwesterly flow 51 AMSR E 51 electron orbits 51 gamma ray flashes 51 solar flares 51 Gravitational waves 51 gravitational lens 51 Geminid 51 GJ#b 51 photosphere 51 aboard ESA Envisat 51 La Ninas 51 basaltic rocks 51 El Niño La Niña 51 chromosphere 51 Earth radii 51 Gradual weakening 51 Heavier snowfall 51 PANHANDLE Temperatures 51 active galactic nuclei 51 cosmic rays 51 primitive meteorites 51 velocity dispersion 51 backscattered 51 extratropical cyclone 51 Min temp 51 polar latitudes 50 moons Europa 50 penumbral lunar eclipse 50 visible wavelengths 50 Noctilucent clouds 50 noctilucent clouds 50 prograde 50 anticyclones 50 situ measurements 50 plasmasphere 50 oscillation 50 ultraviolet radiation emitted 50 coronal mass ejection 50 vegetation greenness 50 chondrules 50 perturbation 50 Solar flares 50 Geminids 50 Northerly winds 50 Jupiter Ganymede 50 cyclonic storms 50 glacial interglacial 50 comet Tempel Tuttle 50 La Niñas 50 cryovolcanism 50 Arctic oscillation 50 atmospheric aerosols 50 gamma ray observatory 50 storminess 50 solar nebula 50 perihelion 50 moonquakes 50 comet nucleus 50 coronal mass ejections CMEs 50 hydrosphere 50 aphelion 50 Alfven waves 50 vertical wind shear 50 MG J# +# 50 west northwestward 50 exoplanetary systems 50 gaseous planets 50 keV 50 Geminid meteor showers 50 steering currents 50 atmospheric methane 50 grabens 50 aerosol particles 50 Southerly winds 50 meteorite impacts 50 polarimetry 50 Relative humidity 50 tectonically 50 dipole moment 50 electrons positrons 50 Mercury magnetosphere 50 perturbations 50 quantum mechanically 50 magnetic substorms 50 Cloud Aerosol Lidar 50 atmospheric turbulence 50 #/#Z Solar activity 50 coronal loop 50 Gamma Virginids 50 airmass 50 MJO wave 50 Taurids 49 extratropical cyclones 49 Lyrid meteor shower 49 SSTs 49 earth orbiting satellites 49 carbonate minerals 49 El Nino Southern Oscillation 49 galactic alignment 49 thermal gradients 49 Leonid shower 49 cm -1 49 westerly trough 49 Grimsvoetn 49 scatterometer 49 CoRoT satellite 49 stellar occultations 49 sulfate aerosols 49 silicate rocks 49 Einar Kjartansson geophysicist 49 barometric pressures 49 atmospheric convection 49 resonance frequency 49 Perseids 49 Grímsvötn volcano 49 monsoon trough 49 convective storms 49 hectopascals 49 Gliese #e 49 neutrino mass 49 Earth orbiting satellites 49 Equatorial Pacific 49 telescopic observations 49 geomagnetic storming 49 thermosphere 49 luminous galaxies 49 moon Mimas 49 Comet Holmes 49 orbital eccentricity 49 mantle plumes 49 Eta Aquarids 49 ppbv 49 Fomalhaut b 49 moving west northwestward 49 Arabia Terra 49 Afternoon Showers 49 aftershock sequence 49 lithosphere 49 Earth axial tilt 49 rotating updraft 49 atmospheric circulations 49 Comet Hartley 49 La Niña pattern 49 ENSO neutral conditions 49 Grímsvötn 49 glacial cycles 49 upwellings 49 radiative 49 CoRoT 9b 49 Leonid meteors 49 Nighttime lows 49 ionospheric 49 infrared wavelength 49 ultraviolet wavelengths 49 smoothed sunspot number 49 pyroxene 49 spectrographs 49 Tempel Tuttle 49 upper troposphere 49 ejecta 49 Doppler shift 49 cyclonic circulation 49 APXS 49 WASP #b 49 Orionid meteor shower 49 X ray pulses 49 t'storms 49 interstellar particles 49 insolation 49 Kuiper Belt Objects 49 auroral oval 49 chondrites 49 photochemical reactions 49 Comet LINEAR 49 graphene electrons 49 electrons protons 49 dynamical 49 filamentary structure 49 Perseus constellation 49 anisotropy 49 Comet 9P/Tempel 1 49 MJO 49 magnetic excitations 49 interglacial periods 49 troposphere 49 tropospheric temperature 49 infrared spectral 49 celestial equator 49 wavefront distortion 49 meteoritic material 49 interferometric synthetic aperture radar 49 planets orbits 49 obliquity 49 TrES 4 49 THEMIS Images 48 orbit GEO 48 interplanetary spacecraft 48 Southern Annular Mode 48 Southeasterly winds 48 constellation Centaurus 48 cosmic ray 48 Gamma rays 48 energetic electrons 48 Occasional showers 48 heliosheath 48 gravitational interaction 48 amplitudes 48 total solar irradiance 48 Coronal Mass Ejections 48 spiral galaxy NGC 48 relativistic particles 48 exoplanetary 48 oscillation frequency 48 Otherwise partly cloudy 48 sextile 48 variably cloudy skies 48 mineralogical composition 48 Lyrids 48 interplanetary magnetic 48 Earth rotational axis 48 LASCO imagery 48 ARPES 48 Geminid meteors 48 Beta Pictoris b 48 weakly interacting 48 ppmv 48 thermal inertia 48 atmospheric oceanic 48 geomagnetic substorms 48 Microbursts 48 waxing crescent 48 magnetic fields 48 TONIGHT Showers 48 bosonic 48 gaseous planet 48 celestial sphere 48 CryoSat mission 48 millibar 48 Envisat ASAR 48 arcsec 48 Atlantic Multidecadal Oscillation 48 TODAY Showers 48 anomalously warm 48 Saturn equinox 48 temperature gradients 48 irradiance 48 albedo feedback 48 GeV 48 dryline 48 easterlies 48 poleward 48 mesoscale 48 Mud volcanoes 48 beta gamma 48 electron scattering 48 cosmic ray collisions 48 fermion 48 Corot 7b 48 Maunder Minimum 48 ionized particles 48 sterile neutrino 48 Meteor Shower 48 subsurface ocean 48 constellation Sagittarius 48 interstellar dust 48 moonlets 48 heaviest precipitation 48 Widespread showers 48 phonon 48 sun corona 48 Jupiter Uranus 48 nebular 48 TGFs 48 STEREO spacecraft 48 photon energies 48 interannual variability 48 fluorescence emission 48 multi decadal 48 Meteorologists predict 48 coronal mass ejections 48 cyclonic circulations 48 El Niños 48 isotopic ratios 48 Cassini ion 48 sodium atoms 48 planetary Transits 48 produce colorful auroras 48 isotope fractionation 48 electron proton 48 Doppler shifts 48 subglacial lakes 48 spherical particles 48 AccuWeather.com meteorologists 48 Saturn Enceladus 48 GJ #b [002] 48 constellation Aquarius 48 icy moons 48 ENSO El Nino 48 subtropical cyclone 48 Northeasterly winds 48 windward slopes 48 terrestrial ecosystems 48 diurnal temperature 48 galaxy cluster 48 Laptev Sea 48 highly elliptical orbits 48 constellation Virgo 48 equatorial Pacific 48 Mercury exosphere 48 colloidal crystals 48 jovian 48 COROT 7b 48 Tonight Cloudy 48 glaciations 48 mu Arae 48 RHESSI 48 Venus transits 48 Saturnian 48 lunar crust 48 Saturnian moon 48 astronomical tides 48 interglacial 48 silicate dust 48 HD#b 48 northwestward motion 48 magnetopause 48 Saturn rings 48 superheavy elements 48 climatic variations 48 THEMIS Image 48 Northwesterly winds 48 protoplanetary disk 48 asteroids comets 48 NASA Wilkinson Microwave 48 Toutatis 48 planet orbits 48 electromagnetic flux 48 surface plasmons 48 sidereal 48 planets Uranus 48 occulted 48 equinoxes 48 electrons orbiting 48 bora wind 48 active volcanism 47 meridional 47 cloudcover 47 SMOS mission 47 Radar ASAR 47 waxing gibbous moon 47 radiative transfer 47 volcanic aerosols 47 dewpoints 47 cyclicity 47 cometary debris 47 sized planets orbiting 47 galaxy M# [002] 47 occultation 47 Particle acceleration 47 Substorms 47 RS Ophiuchi 47 outer corona 47 WELDERS Experienced 47 cosmic ray protons 47 lavas 47 Gliese #c 47 landfalling 47 orbits 47 protoplanetary disks 47 carbonaceous chondrites 47 Titan flyby 47 Comet Hartley 2 47 detect gravitational waves 47 Indian Ocean Dipole 47 smallest extrasolar planet 47 gravitational tugs 47 Mars Color Imager 47 Explosive eruptions 47 polarimetric 47 phyllosilicates 47 coronal loops 47 COROT 47 ULIRGs 47 atmospheric moisture 47 gold nanoclusters 47 Easterly winds 47 baryons 47 La Nià ± 47 occultations 47 B meson 47 extratropical 47 Forecast Showers 47 KBOs 47 hematite mineral 47 Io Europa 47 TONIGHT Mostly clear 47 blazar 47 hydrothermal fluid 47 magnetisation 47 Eruptive activity 47 rainbands 47 Gamma ray burst 47 geothermal gradient 47 diurnal variation 47 windspeeds 47 waxing crescent moon 47 TONIGHT Partly cloudy 47 Cancri e 47 mineral olivine 47 gravitational radiation 47 J# +# [002] 47 millimeter wavelengths 47 volcanic gases 47 Aurigid 47 helicity 47 optical wavelengths 47 hydrologic cycle 47 Wilkinson Microwave Probe 47 heliopause 47 northwesterlies 47 Saturn magnetosphere 47 YU# 47 advanced argillic alteration 47 Henize #-# 47 Agulhas Current 47 Late Ordovician 47 Tropical cyclones 47 landfalling hurricanes 47 silicate minerals 47 Advanced Synthetic Aperture 47 amplifying feedbacks 47 Widely scattered showers 47 Cosmic Microwave Background 47 arcminutes 47 annular solar eclipse 47 Antarctic stratosphere 47 atmospheric CO 47 Pluto Charon 47 Pacific Decadal Oscillation 47 Syrtis Major 47 cryosphere 47 crustal movements 47 tropic regions 47 Moisture laden 47 femtosecond timescale 47 RRATs 47 HWRF 47 ultracold atoms 47 prominences 47 Martian equator 47 galaxy M# [001] 47 metallicity 47 diffracted 47 erupt explosively 47 P/# A2 47 radiative cooling 47 rotational axis 47 Gamma ray bursts 47 olivines 47 polar caps 47 aurora 47 dynamical processes 47 ocean eddies 47 moving northwestward 47 interplanetary magnetic field 47 comets orbiting 47 Planck satellite 47 distant quasars 47 ambassador Bob McDavitt 47 Svaliava 47 mid Pliocene 47 yardangs 47 undersea volcanoes 47 Carina constellation 47 interstellar dust grains 47 QDs 47 arcseconds 47 hazardous eruption 47 photoemission 47 CMB radiation 47 northerly latitudes 47 synchrotron emission 47 Reiner Gamma 47 mesocyclone 47 Seyfert galaxies 47 Cloudiness 47 Prediction NWP 47 attosecond 47 geoneutrinos 47 cosmic microwave radiation 47 ecliptic 47 Meghalaya Nagaland Manipur Mizoram 47 Imaging Spectroradiometer MODIS instrument 47 De Pontieu 47 subglacial 47 RAINEX 47 Barometric pressure 47 heavily cratered 47 rubidium vapor 47 galactic clusters 47 plagioclase 47 anthropogenic warming 47 Grimsvotn 47 Epsilon Aurigae 47 Vastitas Borealis 47 anticyclone 47 west northwesterly 47 interglacials 47 magmatic 47 sediments deposited 47 galaxy formation 47 Amundsen Sea 47 dynamical evolution 47 felsic tuff 47 Imaging Spectroradiometer MODIS 47 TUESDAY Mostly sunny 47 CALIPSO 47 Siberian Traps 47 heliosphere 47 HL Tau 47 eyewall replacement 47 thermohaline circulation 47 interstellar boundary 47 Oort cloud 47 Space Environment Geochemistry 47 Damaging wind gusts 47 Bug Nebula 47 isotopic composition 47 sulfate aerosol 47 red supergiants 47 photocurrent 46 Saturn Uranus 46 shorter wavelengths 46 Astrophysical 46 NWS forecasters 46 sulphate aerosols 46 cluster NGC 46 circumstellar disks 46 igneous rocks 46 constellation Leo 46 Libra constellation Vogt 46 aerosol concentrations 46 dielectric permittivity 46 Herschel Space 46 solitons 46 nonequilibrium 46 iron pnictides 46 mT 46 cratered highlands 46 neutral mass spectrometer 46 Kuiper Belt objects 46 dipolar 46 -# ° C. [002] 46 radiative forcing 46 Yellowstone Caldera 46 δ 46 disseminated chalcopyrite 46 westerly swell 46 Orionid meteors 46 diffracting 46 pika habitat 46 moon permanently shadowed 46 spatial scales 46 CAIs 46 atmospheric opacity 46 northeasterly 46 Comet Lulin 46 geoid 46 collisional 46 Raman scattering 46 paramagnetic 46 compressional 46 waning crescent 46 Orionid 46 central equatorial Pacific 46 electron ion 46 fluxes 46 baryonic 46 auroras 46 WEST CENTRAL Temperatures 46 colliding protons 46 copper oxide superconductors 46 patchy drizzle 46 supersymmetric particles 46 #.#N [002] 46 NHC forecasters 46 seasonably mild 46 southeasterly 46 southern latitudes 46 phytoplankton blooms 46 distant supernovae 46 Mercury flyby 46 infrared radiation 46 silicates 46 inhabitable planets 46 Wintry precipitation 46 gamma rays emitted 46 interglacial period 46 chlorophyll concentrations 46 Coma Cluster 46 isotherm 46 elongated orbit 46 ESA XMM Newton 46 interstellar medium 46 lensing galaxy 46 Kepler 9c 46 Min Temp #.# 46 oscillatory 46 Earth magnetotail 46 Surface Composition Spectrometer 46 Martian dust 46 andesitic rocks 46 southeasterly wind 46 oligotrophic 46 galaxy NGC 46 microlensing events 46 helium ions 46 NCMRWF 46 Saturn moon Mimas 46 penumbral shadow 46 radial velocity method 46 Mars Odyssey spacecraft 46 martensite 46 star Gliese 46 Wind shear 46 antineutrino 46 orbiting gamma ray 46 CoRoT 7b 46 protoplanet 46 atmospheric phenomena 46 vibrational modes 46 methane CH4 46 Great Conveyor Belt 46 El Ninos 46 Ontario Lacus 46 Indo Gangetic plains 46 Geminid Meteor Shower 46 AGNs 46 Samuel Oschin Telescope 46 volcanism 46 MODIS 46 kaons 46 radial velocity 46 Sinus Meridiani 46 Antennae Galaxies 46 Halifax Weather Overcast 46 ESA Envisat satellite 46 blazars 46 glacial interglacial cycles 46 deca BDEs 46 impactors 46 magnetar 46 crustal deformation 46 supermoon 46 superfluids 46 intertropical convergence zone 46 #P/Holmes 46 #.#C above 46 Last Glacial Maximum 46 waning gibbous 46 elliptical galaxies 46 CMEs 46 #.#oC [001] 46 imaging spectrometer 46 isotherms 46 INMS 46 icy comets 46 volcanic magma 46 solar flares coronal 46 interannual 46 Kristin Vogfjord geologist 46 latitudes 46 snowshowers 46 iceberg calving 46 #.#C #.#C 46 Edzani 46 geomagnetic disturbances 46 X ray afterglow 46 Saturn moon Enceladus 46 ° C warmer 46 theta oscillations 46 -# degrees Celsius [001] 46 olivine mineral 46 foreground galaxy 46 SINFONI 46 highly elliptical orbit 46 #.#C warmer 46 patchy clouds 46 excitons 46 Neptune Uranus 46 Waterspouts 46 equatorial waters 46 Neoproterozoic 46 GRB #B 46 stellar occultation 46 thrust faulting 46 Delta Aquarids 46 sunspot cycles 46 Clearing skies 46 magnetization reversal 46 Carbon dioxide concentrations 46 B mesons 46 Alfvén waves 46 Einstein cosmological constant 46 Ranging spacecraft 46 spawn tornadoes 46 ocean ridges 46 Leonid meteor 46 Venusian surface 46 thermally induced 46 X ray wavelengths 46 gravitational tides 46 thermodynamic properties 46 precess 46 luminosities 46 Envisat Advanced Synthetic Aperture 46 Jovian moons 46 radar interferometry 46 martian atmosphere 46 ENSO neutral 46 rotational velocity 46 nanomesh 46 volcanic quakes 46 multi decadal signal 46 Leonids 46 interstellar clouds 46 micrometre sized 46 Veil Nebula 46 Isolated thunderstorms 46 Morshyn 46 NGC #A 46 Virgo Cluster 46 reflection nebula 46 polar craters 46 upper tropospheric 46 radioactive decay 46 UV photons 46 redshifts 46 circularly polarized light 46 shadowed craters 46 stellar seismology 46 antiferromagnets 46 planet HD #b 46 geological timescales 46 Chromatic aberration 46 seasonably warm 46 subtropical ridge 46 gamma ray emission 46 DELMARVA WEATHER 46 IP chargeability 46 AccuWeather forecasters 46 climatologically 46 cosmic cannibal 46 prevailing westerly winds 46 Atlantic meridional overturning 46 Manned missions 46 Phaethon 46 binary asteroid 46 LADEE 46 helium atoms 46 Harmful algal blooms 46 spatial variability 46 cesium atom 46 olivine 46 baryon 46 Eyjafjallajokul pronounced ay yah 46 Cenozoic 46 EarthCARE 45 stratospheric clouds 45 Scheila 45 electron doped 45 temperature gradient 45 BLG #Lb 45 volcanic earthquakes 45 cobalt atom 45 GALEX 45 albedo 45 Saturn moon Iapetus 45 Anisotropy Probe WMAP 45 Ultraviolet radiation 45 Moderate Resolution Imaging 45 explosive eruptions 45 Galilean moons 45 Fermi telescope 45 starburst galaxies 45 Palaeozoic sedimentary 45 absorption spectra 45 eccentric orbits 45 magnetization 45 obscuration 45 gravitationally bound 45 IBEX spacecraft 45 Shinmoedake 45 quasicrystal 45 thunder squalls 45 WD5 45 Nernst 45 outlet glaciers 45 magmas 45 helium nuclei 45 Mars Uranus 45 cosmic radiation 45 electron neutrinos 45 squally thunderstorms 45 protostars 45 celestial bodies 45 S'ly 45 ion collisions 45 nonlinearity 45 Polar Regions 45 Sumatra Andaman earthquake 45 multidecadal 45 moist airmass 45 Perseid meteors 45 HABs 45 southwesterlies 45 private forecaster DTN 45 fainter objects 45 monsoonal moisture 45 Cartoned egg sales 45 diffract 45 perigee 45 Huygens descent 45 anthropogenically 45 ferroelectricity 45 gravitational interactions 45 spacecraft flyby 45 galactic cosmic ray 45 planet Uranus 45 Jupiter moon Io 45 anthropogenic carbon dioxide 45 atmospheric CO2 concentration 45 HM Cancri 45 neutrino oscillation 45 Auger recombination 45 cirrus cloud 45 A.M. roundup 45 intrinsic brightness 45 Mercury Uranus 45 cloud condensation nuclei 45 planemos 45 glacier shrinkage 45 Solar Dynamics Observatory 45 Today Mostly sunny 45 conventional superconductors 45 comets 45 northeasterly wind