Tag: geomagnetic_storm

• NOAA Forecasts Minor Geomagnetic Storms on October 19-20

  18 Oct 2026 9:45 p.m. · Source: NOAA

  NOAA's Space Weather Prediction Center reports one minor R1 radio blackout last week and warns that minor G1 geomagnetic storming is likely on October 19 and 20.

  Science & TechnologyWeatherAstronomy and SpaceGeneral WeatherEnvironment NOAASpace Weather Prediction Centergeomagnetic stormspace weatherBoulder, ColoradoR1 radio blackoutG1 stormSolar Flares

• NOAA: Strong Geomagnetic Storm Hit Earth as Solar Radiation Storms Persist

  11 Oct 2026 11:59 p.m. · Source: NOAA

  NOAA reports R1 and R2 solar radiation storms plus G1 to G3 geomagnetic storms from October 5-11, with a minor G1 geomagnetic storm expected on October 13.

  Science & TechnologyWeatherUSAAstronomy and SpaceGeneral WeatherEnvironment NOAASpace Weather Prediction Centergeomagnetic stormsolar radiation stormBoulder, Coloradospace weatherG3 stormSolar Flares

• Solar Activity Low as Geomagnetic Storm Levels Ease; Moderate Flares Likely

  11 Oct 2026 6:02 p.m. · Source: NOAA

  NOAA reports five sunspot regions and quiet to minor storm geomagnetic levels, with moderate solar activity and a slight chance of an X-class flare forecast for 12 and 13 October.

  Science & TechnologyEnvironmentUSAAstronomy and SpaceGeneral Weather NOAAspace weathersolar flaresgeomagnetic stormsunspot regionssolar windspace weather forecast

• Severe Geomagnetic Storm Hits Earth as Solar Wind Peaks at 904 km/s

  10 Oct 2026 6:01 p.m.

  Solar activity has been at high levels with five sunspot regions on the disk, and forecasters see a slight chance of an X-class flare on 11, 12 and 13 October.

  Science & TechnologyWeatherUSAAstronomy and SpaceEnvironmentGeneral Weather NOAAUSAFsolar activitygeomagnetic stormsunspot regionssolar flarespace weatherSolar FlaresX-class flaresolar wind

• NOAA Warns of G3 Geomagnetic Storm as K-Index 7 Expected

  10 Oct 2026 1:43 p.m. · Source: NOAA

  NOAA issues a geomagnetic K-index warning for 7 or greater, forecasting a G3 strong storm from 1742 UTC to 2359 UTC on October 10, 2026.

  Science & TechnologyWeatherEnvironmentAstronomy and SpaceGeneral Weather NOAAgeomagnetic stormK-indexG3space weatherWARK07Space Weather Prediction CenterSolar Flares

• NOAA Forecasts Chance of M-Class Flares and Possible Major Geomagnetic Storm on Oct. 9

  7 Oct 2026 6:01 p.m.

  Solar activity is at low levels with five sunspot regions on the disk, and the chance of a major-severe storm at high latitudes on Oct. 9 is put at 40 percent.

  Science & TechnologyWeatherUSAAstronomy and SpaceGeneral WeatherEnvironment NOAAsolar activitysunspot regionsM-class flaresgeomagnetic stormsolar windspace weatherSolar Flares

• Solar Activity Very Low as Geomagnetic Field Hits Major Storm Levels

  4 Oct 2026 6:01 p.m. · Source: NOAA

  NOAA reports very low solar activity with four sunspot regions, while the geomagnetic field reached major storm levels and solar wind peaked at 644 km/s.

  Science & TechnologyWeatherUSAAstronomy and SpaceGeneral WeatherEnvironment NOAAsolar activitygeomagnetic stormsunspot regionssolar windC-class flaresspace weatherSolar Flares

• Solar Activity Very Low as Geomagnetic Storms Forecast for Early October

  1 Oct 2026 6:01 p.m. · Source: NOAA

  NOAA reports very low solar activity with two sunspot regions, while geomagnetic conditions are expected to reach minor storm levels on 02 and 04 October.

  Science & TechnologyWeatherUSAAstronomy and SpaceGeneral Weather NOAAsolar activitygeomagnetic stormsunspot regionssolar flarespace weatherPenticton 10.7 cm fluxSolar Flares

• Solar Activity Low as Geomagnetic Storm Levels Forecast for 2 October

  30 Sep 2026 6:01 p.m. · Source: NOAA

  NOAA reports low solar activity and quiet geomagnetic conditions, with minor storm levels expected on day two and a slight chance of M-class flares over the next three days.

  Science & TechnologyEnvironmentUSAAstronomy and Space NOAAspace weathersolar activitygeomagnetic stormsunspotsolar flaregeophysicsSolar Flares

• Solar Activity Stays Very Low as Geomagnetic Storms Loom

  15 Sep 2026 6:01 p.m. · Source: NOAA

  Solar activity remained at very low levels with two sunspot regions on the disk, while forecasters expect unsettled to minor storm geomagnetic conditions on 16 and 17 September.

  Science & TechnologyWeatherUSAAstronomy and SpaceGeneral WeatherEnvironment NOAAsolar activitygeomagnetic stormsunspot regionssolar windspace weatherUSAFSolar Flares

• NOAA: Minor Geomagnetic Storms Possible Through Sept. 17

  13 Sep 2026 9:22 p.m. · Source: NOAA

  NOAA's Space Weather Prediction Center reports low solar activity and four CMEs last week, with active to G1 storming conditions expected Sept. 14-17 from coronal hole high speed streams.

  Science & TechnologyWeatherUSAAstronomy and SpaceEnvironmentGeneral Weather NOAA Space Weather Prediction Centergeomagnetic stormcoronal mass ejectionsolar flarecoronal hole high speed streamspace weatherBoulder, ColoradoNOAASolar Flares

• NOAA Forecasts Geomagnetic Storms for Early September

  6 Sep 2026 10:48 p.m. · Source: NOAA

  NOAA's latest space weather outlook predicts active to G1 storming levels for September 7-8 due to anticipated Coronal Mass Ejection arrivals. Moderate solar activity and enhanced proton levels were observed in the past week.

  Science & TechnologyWeatherAstronomy and SpaceGeneral WeatherFederal Government NOAASpace WeatherGeomagnetic StormCoronal Mass EjectionSolar FlareProton FluxRegion 4524Solar Flares

• NOAA/USAF Report Forecasts Potential Major Geomagnetic Storms

  28 Aug 2026 6:01 p.m. · Source: NOAA

  A joint NOAA and USAF report forecasts low solar activity with a 25% chance of M-class flares, but warns of potential unsettled to major geomagnetic storm levels on August 29, easing thereafter.

  Science & TechnologyWeatherWorldAstronomy and SpaceGeneral WeatherFederal Government NOAAUSAFSolar activityGeomagnetic stormSpace weatherM-class flaresSunspotsSolar Flares

• Geomagnetic Storms Expected as Solar Activity Forecasts M-Class Flares

  27 Aug 2026 6:01 p.m. · Source: NOAA

  NOAA and USAF forecast quiet to major geomagnetic storm levels for August 28-29, with chances for M-class and X-class solar flares. Proton events also have a slight probability over the next three days.

  Science & TechnologyPolitics and GovernmentAstronomy and SpaceFederal Government Solar ActivityGeomagnetic StormM-class FlaresX-class FlaresSunspotsNOAASpace WeatherSolar Flares

• Geomagnetic Storms Expected to Escalate Through August 29

  26 Aug 2026 6:01 p.m. · Source: NOAA

  NOAA and USAF forecast escalating geomagnetic activity from unsettled to major storm levels over the next three days, August 27-29, with moderate solar activity and a slight chance of X-class flares and proton events.

  Science & TechnologyPolitics and GovernmentAstronomy and SpaceFederal Government NOAAUSAFSolar ActivityGeomagnetic StormX-class FlareSpace WeatherAugust 2026Solar Flares

• NOAA Predicts Escalating Geomagnetic Storms Amidst Moderate Solar Activity

  25 Aug 2026 6:02 p.m. · Source: NOAA

  NOAA's latest report forecasts moderate solar activity with a slight chance of X-class flares. Geomagnetic field activity is expected to escalate from quiet to major storm levels by August 28, with proton thresholds possibly crossed.

  Science & TechnologyWeatherAstronomy and SpaceEnvironmentGeneral Weather NOAASolar ActivityGeomagnetic StormSunspotsX-class flareSpace WeatherForecastSolar Flares

• NOAA Forecasts Minor Geomagnetic Storming Following Recent Activity

  9 Aug 2026 9:58 p.m. · Source: NOAA

  NOAA's Space Weather Prediction Center reports G1-G2 geomagnetic storming on August 8 from an August 4 CME. G1 storming is likely on August 12 from an August 8 CME, with no other storms expected through August 16.

  Science & TechnologyPolitics and GovernmentAstronomy and SpaceFederal Government NOAASpace Weather Prediction CenterGeomagnetic stormCoronal Mass EjectionSpace WeatherBoulderAugust 2026Solar Flares

• NOAA Issues Space Weather Advisory with Geomagnetic Storm Outlook

  3 Aug 2026 12:24 a.m. · Source: NOAA

  NOAA's latest space weather advisory reports a G2 geomagnetic storm and minor radio blackouts last week. It forecasts G1 storms and potential R1-R2 radio blackouts for August 3-9, with no solar radiation events expected.

  Science & TechnologyPolitics and GovernmentAstronomy and SpaceFederal Government NOAASpace WeatherGeomagnetic StormRadio BlackoutSolar RadiationBoulder, ColoradoSpace Weather Prediction CenterSolar Flares

• NOAA Reports Low Solar Activity, Forecasts Geomagnetic Fluctuations

  2 Aug 2026 6:01 p.m. · Source: NOAA

  NOAA's latest report indicates low solar activity with a slight chance of M-class flares. Geomagnetic fields experienced quiet to major storm levels, with unsettled to minor storm conditions expected on August 3rd.

  Science & TechnologyWeatherAstronomy and SpaceEnvironmentGeneral Weather NOAAUSAFSolar ActivityGeomagnetic StormM-class flareSpace WeatherForecastSolar Flares

• USAF and NOAA Forecast Major Geomagnetic Storm and Solar Flares

  1 Aug 2026 6:01 p.m. · Source: NOAA

  A joint USAF/NOAA report predicts major geomagnetic storm levels for August 2, 2026, with a 30% daily chance of M-class solar flares over the next three days, following a period of low solar activity.

  Science & TechnologyWeatherAstronomy and SpaceGeneral Weather NOAAUSAFSolar activityGeomagnetic stormM-class flaresSpace weatherForecastSolar Flares

• NOAA Forecasts Minor Geomagnetic Storm for July 22

  19 Jul 2026 10:01 p.m. · Source: NOAA

  NOAA forecasts a G1 (Minor) geomagnetic storm for July 22, 2026, attributed to coronal hole influence. No other space weather storms are expected in the coming week, following a calm period from July 13-19.

  Science & TechnologyPolitics and GovernmentAstronomy and SpaceFederal Government NOAASpace WeatherGeomagnetic StormCoronal HoleForecastScienceWeatherSolar Flares

• NOAA Reports Minor Space Weather Activity, Forecasts Calm Week Ahead

  13 Jul 2026 1:18 a.m. · Source: NOAA

  NOAA reported minor radio blackouts and a G1 geomagnetic storm from July 6-12 due to solar flares and a CME. The Space Weather Prediction Center forecasts no space weather storms for the upcoming week, July 13-19.

  Science & TechnologyAstronomy and SpaceFederal Government NOAASpace WeatherRadio BlackoutsGeomagnetic StormSolar FlaresCoronal Mass EjectionWeather Forecast

• NOAA Cancels G3 Geomagnetic Storm Warning Due to Date Error

  4 Jul 2026 8:28 p.m. · Source: NOAA

  NOAA has canceled a G3-level geomagnetic storm warning (K-index 7 or greater) due to an error in the original alert's expiration date. The warning was intended to end on July 4th.

  Science & TechnologyWeatherAstronomy and SpaceGeneral Weather NOAASpace WeatherGeomagnetic StormWarningCancellationK-indexG3Solar Flares

• NOAA Issues G3 Geomagnetic Storm Warning

  4 Jul 2026 1:03 a.m. · Source: NOAA

  NOAA warns of a G3 - Greater geomagnetic storm with a K-index of 7 or higher, effective from July 4, 2026, 05:00 UTC, until July 5, 2026, 12:00 UTC. This space weather event could affect technology.

  Science & TechnologyWorldAstronomy and Space NOAAGeomagnetic StormSpace WeatherK-index 7G3 WarningAstronomyScienceSolar Flares

• NOAA/USAF Report Forecasts Major Geomagnetic Storms and X-Class Flare Potential

  3 Jul 2026 6:00 p.m. · Source: NOAA

  NOAA and USAF forecast moderate solar activity with a slight chance of X-class flares and geomagnetic fields reaching major storm levels over the next three days, following a period of high solar activity.

  Science & TechnologyAstronomy and Space NOAAUSAFSolar ActivityGeomagnetic StormX-class flareSunspot regionsSpace WeatherSolar Flares

• High Solar Activity Reported, X-Class Flares and Geomagnetic Storms Possible

  2 Jul 2026 6:00 p.m. · Source: NOAA

  A joint report from NOAA and USAF details high solar activity with three sunspot regions. Forecasts indicate moderate solar activity, a slight chance of X-class flares, and potential for geomagnetic storms over the next three days.

  Science & TechnologyPolitics and GovernmentAstronomy and SpaceFederal Government Solar activityGeomagnetic stormX-class flareSunspot regionsNOAAUSAFSpace weatherSolar Flares

• NOAA Forecasts Minor Geomagnetic Storms This Week

  28 Jun 2026 11:08 p.m. · Source: NOAA

  NOAA forecasts G1 (Minor) geomagnetic storms for June 29-30 due to a coronal mass ejection, following a similar storm on June 25 caused by a coronal hole. The Space Weather Prediction Center advises on upcoming space weather.

  Science & TechnologyAstronomy and SpaceFederal Government NOAASpace WeatherGeomagnetic StormCoronal Mass EjectionCoronal HoleBoulder, ColoradoAstronomySolar Flares

• NOAA Forecasts Increased Radio Blackout Risk After June 20

  14 Jun 2026 11:03 p.m. · Source: NOAA

  NOAA predicts increasing chances of minor-to-moderate radio blackouts after June 20 due to the return of old Region 4455, while no major geomagnetic storms are expected this week.

  Science & TechnologyAstronomy and SpaceFederal Government NOAASpace WeatherGeomagnetic StormRadio BlackoutSolar RadiationRegion 4455BoulderSolar Flares

• NOAA Forecasts Geomagnetic Storms and M-Class Flare Chances

  12 Jun 2026 6:01 p.m. · Source: NOAA

  NOAA and USAF forecast unsettled to major geomagnetic storm levels for June 13, with chances for M-class flares over the next three days, despite current low solar activity.

  Science & TechnologyPolitics and GovernmentWeatherAstronomy and SpaceFederal GovernmentGeneral Weather NOAAUSAFSolar activityGeomagnetic stormM-class flaresSpace weatherSunspotsSolar Flares

• NOAA Forecasts Potential Major Geomagnetic Storms and Solar Flares

  11 Jun 2026 6:01 p.m. · Source: NOAA

  NOAA's latest report forecasts low solar activity with chances for M-class and X-class flares. Geomagnetic activity is expected to escalate to major storm levels on June 13, impacting Earth's magnetic field.

  Science & TechnologyAstronomy and SpaceFederal Government NOAASolar ActivityGeomagnetic StormSunspot RegionsSolar FlaresSpace WeatherForecast

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