===================================== NOAA 3 Day Space Weather Forecast ===================================== The greatest observed 3 hr Kp over the past 24 hours was 3 (below NOAA Scale levels). The greatest expected 3 hr Kp for Feb 27-Mar 01 2021 is 4 (below NOAA Scale levels). NOAA Kp index breakdown Feb 27-Mar 01 2021 Feb 27 Feb 28 Mar 01 00-03UT 1 2 3 03-06UT 2 1 3 06-09UT 2 1 2 09-12UT 1 1 2 12-15UT 1 1 2 15-18UT 1 1 3 18-21UT 1 2 3 21-00UT 2 2 4 Rationale: No G1 (Minor) or greater geomagnetic storms are expected. B. NOAA Solar Radiation Activity Observation and Forecast Solar radiation, as observed by NOAA GOES-16 over the past 24 hours, was below S-scale storm level thresholds. Solar Radiation Storm Forecast for Feb 27-Mar 01 2021 Feb 27 Feb 28 Mar 01 S1 or greater 1% 1% 1% Rationale: No S1 (Minor) or greater solar radiation storms are expected. No significant active region activity favorable for radiation storm production is forecast. C. NOAA Radio Blackout Activity and Forecast No radio blackouts were observed over the past 24 hours. Radio Blackout Forecast for Feb 27-Mar 01 2021 Feb 27 Feb 28 Mar 01 R1-R2 1% 1% 1% R3 or greater 1% 1% 1% Rationale: No R1 (Minor) or greater radio blackouts are expected. No significant active region flare activity is forecast.