This 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. Users requiring a more detailed explanation of events should refer to the Forecast Discussion. A plain language, single page forecast text product issued every 12 hours, at and UTC, with both forecast and observed criterion now broken down for each of the three NOAA Scale categories.
Each section includes a brief forecaster written rationale. A copy of the text file is available. For a brief description of this product, see the 3-day description. Skip to main content. 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.
Usage Impacts Details History Data This product is designed to be a one page, simple look at recently observed and a three day forecast of space weather conditions.
Space Weather Impacts On Climate. Electric Power Transmission.
