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Fáðu current geimveður alerts and warnings from NOAA's Space Weather Prediction Center (SWPC). Skilar active segulmagnrask storm watches, solar radiation storms, radio blackout alerts, and aðra geimveður advisories. Hver viðvörun inniheldur severity level, issue time, and description. Nauðsynlegt fyrir norðurljós chasers, satellite operators, aviation planners, and raforkukerfi managers who need to monitor segulmagnrask disturbances.

Fáðu recent planetary K-index (Kp) values from NOAA SWPC, the primary indicator of segulmagnrask storm activity. The Kp index ranges from 0 (quiet) to 9 (extreme storm). Values of 5+ indicate segulmagnrask storms visible as norðurljós at lower breiddargráðus. Skilar a time series of recent Kp readings. Mikilvægt fyrir norðurljós prediction forrit, satellite drag calculations, GPS accuracy monitoring, and geimveður mælaborð.

Fáðu recent sólblossa events from NOAA SWPC, þar á meðal flare class (A, B, C, M, X), peak time, begin/end times, and source active region. M-class and X-class flares can cause radio blackouts, GPS disruptions, and enhanced norðurljós displays. Gagnlegt fyrir amateur radio operators monitoring propagation conditions, norðurljós forecasters, geimveður researchers, and satellite operators assessing radiation risk.

Fáðu recent daily sunspot numbers from NOAA SWPC, tracking solar activity levels. Sunspot numbers correlate með 11-year solar cycle and spáðu geimveður intensity. Higher sunspot counts mean more frequent sólblossa, coronal mass ejections, and norðurljós displays. Gagnlegt fyrir solar cycle tracking mælaborð, long-term space veðurspáing, amateur stjarnfræði verkfæri, and climate research applications studying solar irradiance variability.

Fáðu an estimated Bortle class (1-9) for hvaða ... sem er location based on nearby population density. This is an estimate, not a satellite measurement - it uses weighted population within 100km to approximate sky brightness. Skilar Bortle class, sky quality rating, estimated naked-eye star count, SQM (Sky Quality Meter) estimate, and norðurljós viewing suitability. Accurate for major cities and remote areas; less precise for suburbs. Gagnlegt fyrir stjarnfræði forrit, norðurljós tourism, stjarnfræðiljósmyndun planning, and dark sky awareness.

Fáðu an norðurljós borealis viewing score for hvaða ... sem er location, sem sameinar rauntíma space veðurgögn (Kp index, solar wind) with local veðurskilyrði (skýjahulu, ljósmengun) and geographic breiddargráðu. Skilar a composite score from 0-100 indicating how likely you are to see the norðurljósin tonight. Tilvalið fyrir norðurljós alert forrit, tourism vettvanga in Nordic regions, photography planning verkfæri, and travel forrit that help visitors time their trips to see the norðurljós.