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Skip to main content NOAA Logo NWS Logo Organizations Space Weather Prediction CenterNational Oceanic and Atmospheric Administration Wednesday, May 04, 2022 14:06:56 Main menu HomeAbout Space WeatherImpactsEarth's ClimateElectric Power TransmissionGPS SystemsHF Radio CommunicationsSatellite CommunicationsSatellite DragPartners and StakeholdersCommercial Service ProvidersFederal AgenciesInternational OrganizationsInternational Service ProvidersSpace Weather ResearchPhenomenaAuroraCoronal HolesCoronal Mass EjectionsEarth's MagnetosphereF10.7 cm Radio EmissionsGalactic Cosmic RaysGeomagnetic StormsIonosphereIonospheric ScintillationRadiation BeltsSolar EUV IrradianceSolar Flares (Radio Blackouts)Solar Radiation StormSolar WindSunspots/Solar CycleTotal Electron ContentAdditional InfoNOAA Space Weather ScalesCustomer Needs & Requirements StudyProducts and DataForecasts27-Day Outlook of 10.7 cm Radio Flux and Geomagnetic Indices3-Day Forecast3-Day Geomagnetic ForecastForecast DiscussionPredicted Sunspot Numbers and Radio FluxReport and Forecast of Solar and Geophysical ActivitySolar Cycle ProgressionSpace Weather Advisory OutlookUSAF 45-Day Ap and F10.7cm Flux ForecastWeekly Highlights and 27-Day ForecastReportsForecast VerificationGeoalert - Alerts, Analysis and Forecast CodesGeophysical AlertSolar and Geophysical Event ReportsUSAF Magnetometer Analysis ReportModelsAurora - 30 Minute ForecastCTIPe Total Electron Content ForecastD Region Absorption Predictions (D-RAP)Geospace Geomagnetic Activity PlotGeospace Ground Magnetic Perturbation MapsGeospace Magnetosphere MoviesNorth American (US Region) Total Electron ContentNorth American Total Electron ContentRegional Geoelectric (1D)Geoelectric Field 1-Minute (Empirical EMTF - 3D Model)Geoelectric 3D-1D ComparisonRelativistic Electron Forecast ModelSEAESRTSTORM Time Empirical Ionospheric Correction WSA-Enlil Solar Wind PredictionWAM-IPEObservationsBoulder MagnetometerGOES Electron FluxGOES MagnetometerGOES Proton FluxGOES Solar Ultraviolet Imager (SUVI)GOES X-ray FluxLASCO CoronagraphPlanetary K-indexReal Time Solar WindSatellite EnvironmentSolar Synoptic MapSpace Weather OverviewStation K and A IndicesSummariesSolar & Geophysical Activity SummarySolar Region SummarySummary of Space Weather ObservationsAlerts, Watches and WarningsAlerts, Watches and WarningsNotifications TimelineExperimentalACE Real-Time Solar WindSolar TErrestrial RElations Observatory (STEREO)Data AccessDashboardsAviationElectric PowerEmergency ManagementGlobal Positioning SystemRadioSatellitesSpace Weather EnthusiastsMedia and ResourcesEducation and OutreachGlossaryNews ArchiveNewsroomSubscribeAnnual MeetingFeedback NOAA Scales https://services.swpc.noaa.gov Space Weather Conditions on NOAA Scales 24-Hour Observed Maximums R no data S no data G no data Latest Observed R no data S no data G no data R1-R2--R3-R5--S1 or greater-- G no data R1-R2--R3-R5--S1 or greater-- G no data R1-R2--R3-R5--S1 or greater-- G no data Rno dataSno dataGno dataCurrent Space Weather Conditions on NOAA Scales R1 (Minor) Radio Blackout Impacts HF Radio: Weak or minor degradation of HF radio communication on sunlit side, occasional loss of radio contact. Navigation: Low-frequency navigation signals degraded for brief intervals. More about the NOAA Space Weather Scales Space Weather Summary Solar Wind Speed: km/sec Solar Wind Magnetic Fields: Bt nT, Bz nT Noon 10.7cm Radio Flux: sfu Slider M-class flares 3-4 May, 2022 published: Wednesday, May 04, 2022 14:03 UTC Region 3004 produced an M5.7 flare (R2-Moderate Radio Blackout) at 4:59 am EDT (04/0859 UTC). X1 Flare (R3-Strong Radio Blackout) on 3 May, 2022 published: Tuesday, May 03, 2022 14:22 UTC An X1.1 flare (R3-Strong Radio Blackout) occurred on 3 May, 2022, at 9:25 am EDT (3/1325 UTC). Geoelectric Field Map Update to 3D empirical conductivity model published: Tuesday, March 08, 2022 15:24 UTC The Space Weather Prediction Center is pleased to announce the operational release of updated geoelectric field maps on March 23 at 1700UT Virtual 2022 Space Weather Workshop! April 26-28, 2022 published: Wednesday, February 02, 2022 21:28 UTC An annual conference that brings industry, academia, and government together in dialog about space weather; registration: Serving Essential Space Weather Communities Serving Essential Space Weather CommunitiesAviationElectric PowerEmergency ManagementGlobal Positioning System (GPS)Radio CommunicationsSatellitesSpace Weather Enthusiasts #product-grid-1 > tbody > tr > td { width: 34.47%;}#product-grid-1 > tbody > tr > td + td, #product-grid-1 > tbody > tr > td + td + td { width: 32.76%;}@media only screen and (max-width: 670px) {td { display: block; width: 100%;}#product-grid-1 > tbody > tr > td { width: 100%;}#product-grid-1 > tbody > tr > td + td, #product-grid-1 > tbody > tr > td + td + td { width: 100%;} The Sun (EUV) Coronal Mass Ejections The Aurora GOES X-Ray Flux GOES Proton Flux =10 MeV", "data-field": "flux", "name": "≥ 10 MeV" }, { "filter-field-name": "energy", "filter-field-value": ">=50 MeV", "data-field": "flux", "name": "≥ 50 MeV" }, { "filter-field-name": "energy", "filter-field-value": ">=100 MeV", "data-field": "flux", "name": "≥ 100 MeV" } ], "series-colors": [ {"light": "#ff2200", "dark":"#1dff00"}, {"light": "#1900ff", "dark":"#faff00"}, {"light": "#1dff00", "dark":"#ff2200"} ] }' > Estimated Planetary K-Index div[class*='footer_'] { float: left; box-sizing: border-box; width: 33.33%; } .footer_left img { width: 100%; max-width: 200px; } National Oceanic and Atmospheric Administration National Weather Service National Centers for Environmental Prediction Space Weather Prediction Center 325 Broadway, Boulder CO 80305 Disclaimer Privacy Policy About NOAA's National Weather Service Careers in Weather Large Footer Menu HomeAbout Space WeatherImpactsEarth's ClimateElectric Power TransmissionGPS SystemsHF Radio CommunicationsSatellite CommunicationsSatellite DragPartners and StakeholdersCommercial Service ProvidersFederal AgenciesInternational OrganizationsInternational Service ProvidersSpace Weather ResearchPhenomenaAuroraCoronal HolesCoronal Mass EjectionsEarth's MagnetosphereF10.7 cm Radio EmissionsGalactic Cosmic RaysGeomagnetic StormsIonosphereIonospheric ScintillationRadiation BeltsSolar EUV IrradianceSolar Flares (Radio Blackouts)Solar Radiation StormSolar WindSunspots/Solar CycleTotal Electron ContentAdditional InfoNOAA Space Weather ScalesCustomer Needs & Requirements StudyProducts and DataForecasts27-Day Outlook of 10.7 cm Radio Flux and Geomagnetic Indices3-Day Forecast3-Day Geomagnetic ForecastForecast DiscussionPredicted Sunspot Numbers and Radio FluxReport and Forecast of Solar and Geophysical ActivitySolar Cycle ProgressionSpace Weather Advisory OutlookUSAF 45-Day Ap and F10.7cm Flux ForecastWeekly Highlights and 27-Day ForecastReportsForecast VerificationGeoalert - Alerts, Analysis and Forecast CodesGeophysical AlertSolar and Geophysical Event ReportsUSAF Magnetometer Analysis ReportModelsAurora - 30 Minute ForecastCTIPe Total Electron Content ForecastD Region Absorption Predictions (D-RAP)Geospace Geomagnetic Activity PlotGeospace Ground Magnetic Perturbation MapsGeospace Magnetosphere MoviesNorth American (US Region) Total Electron ContentNorth American Total Electron ContentRegional Geoelectric (1D)Geoelectric Field 1-Minute (Empirical EMTF - 3D Model)Geoelectric 3D-1D ComparisonRelativistic Electron Forecast ModelSEAESRTSTORM Time Empirical Ionospheric Correction WSA-Enlil Solar Wind PredictionWAM-IPEObservationsBoulder MagnetometerGOES Electron FluxGOES MagnetometerGOES Proton FluxGOES Solar Ultraviolet Imager (SUVI)GOES X-ray FluxLASCO CoronagraphPlanetary K-indexReal Time Solar WindSatellite EnvironmentSolar Synoptic MapSpace Weather OverviewStation K and A IndicesSummariesSolar & Geophysical Activity SummarySolar Region SummarySummary of Space Weather ObservationsAlerts, Watches and WarningsAlerts, Watches and WarningsNotifications TimelineExperimentalACE Real-Time Solar WindSolar TErrestrial RElations Observatory (STEREO)Data AccessDashboardsAviationElectric PowerEmergency ManagementGlobal Positioning SystemRadioSatellitesSpace Weather EnthusiastsMedia and ResourcesEducation and OutreachGlossaryNews ArchiveNewsroomSubscribeAnnual MeetingFeedback