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Bookmark or Share- 3-Day Geomagnetic Forecast - NOAA / NWS Space Weather Prediction CenterA daily deterministic and probabilistic forecast, for next three days, of geomagnetic activity. Observed values of Ap and deterministic Ap forecasts are provided, followed by probabilistic forecasts for four categories of geomagnetic activity, and deterministic 3-hourly Kp forecasts for three days.
- G4 (Severe) Storm Watch for 10-11 October | NOAA / NWS Space Weather ...G4 (Severe) Storm Watch for 10-11 October. A fast coronal mass ejection (CME) erupted from the Sun the evening of 8 October, 2024, and is likely to arrive at Earth on 10 October. This CME has been analyzed and speed estimates are 1200 to 1300 km/s.
- 3-Day Forecast | NOAA / NWS Space Weather Prediction CenterThis product is designed to be a one page, simple look at recently observed and a three day forecast of space weather conditions. A brief description of why conditions occurred or are forecast is also included for each category.
- Space Weather Conditions - NOAA / NWS Space Weather Prediction CenterWhen and where can you see the northern and southern lights also known as the aurora? This page provides a prediction of the aurora’s visibility tonight and tomorrow night in the charts below.
- Homepage | NOAA / NWS Space Weather Prediction CenterSpace Weather Conditions. 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.
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