===================================== NOAA 3 Day Space Weather Forecast ===================================== The greatest observed 3 hr Kp over the past 24 hours was 2 (below NOAA Scale levels). The greatest expected 3 hr Kp for Jun 09-Jun 11 2023 is 3.00 (below NOAA Scale levels). NOAA Kp index breakdown Jun 09-Jun 11 2023 Jun 09 Jun 10 Jun 11 00-03UT 2.67 1.67 2.67 03-06UT 3.00 1.33 2.33 06-09UT 2.00 1.33 2.33 09-12UT 2.00 1.33 2.00 12-15UT 1.33 1.33 2.33 15-18UT 1.33 1.67 2.33 18-21UT 1.67 1.67 2.67 21-00UT 1.67 1.33 2.33 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-16 over the past 24 hours, was below S-scale storm level thresholds. Solar Radiation Storm Forecast for Jun 09-Jun 11 2023 Jun 09 Jun 10 Jun 11 S1 or greater 5% 5% 5% 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 Jun 09-Jun 11 2023 Jun 09 Jun 10 Jun 11 R1-R2 25% 25% 25% R3 or greater 5% 5% 5% Rationale: There is a chance for R1-R2 (Minor-Moderate) radio blackouts on Jun 09-11.