Content-Length: 1877 | pFad | https://services.swpc.noaa.gov/text/3-day-forecast.txt
:Product: 3-Day Forecast :Issued: 2024 Dec 22 1230 UTC # Prepared by the U.S. Dept. of Commerce, NOAA, Space Weather Prediction Center # A. NOAA Geomagnetic Activity Observation and Forecast The greatest observed 3 hr Kp over the past 24 hours was 4 (below NOAA Scale levels). The greatest expected 3 hr Kp for Dec 22-Dec 24 2024 is 3.00 (below NOAA Scale levels). NOAA Kp index breakdown Dec 22-Dec 24 2024 Dec 22 Dec 23 Dec 24 00-03UT 2.33 2.33 2.67 03-06UT 2.33 2.67 3.00 06-09UT 2.33 2.00 2.33 09-12UT 3.00 2.00 2.33 12-15UT 2.00 1.00 1.67 15-18UT 1.00 2.00 2.33 18-21UT 1.00 2.00 2.33 21-00UT 2.00 2.67 2.67 Rationale: No G1 (Minor) or greater geomagnetic storms are expected. No significant transient or recurrent solar wind features are forecast. B. NOAA Solar Radiation Activity Observation and Forecast Solar radiation, as observed by NOAA GOES-18 over the past 24 hours, was below S-scale storm level thresholds. Solar Radiation Storm Forecast for Dec 22-Dec 24 2024 Dec 22 Dec 23 Dec 24 S1 or greater 10% 10% 10% Rationale: There is a slight chance for S1 (Minor) solar radiation storms over 22-24 Dec. C. NOAA Radio Blackout Activity and Forecast Radio blackouts reaching the R1 levels were observed over the past 24 hours. The largest was at Dec 22 2024 0410 UTC. Radio Blackout Forecast for Dec 22-Dec 24 2024 Dec 22 Dec 23 Dec 24 R1-R2 60% 60% 60% R3 or greater 10% 10% 10% Rationale: R1-R2 (Minor-Moderate) radio blackouts are likely, with a slight chance for R3 or greater events, over 22-24 Dec.Fetched URL: https://services.swpc.noaa.gov/text/3-day-forecast.txt
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