Routine Space Environment Product (Daily)
Issued by NWS
Issued by NWS
814 FXXX10 KWNP 290031 DAYTDF :Product: 3-Day Forecast :Issued: 2024 Jun 29 0030 UTC # Prepared by the US Dept. of Commerce, NOAA, Space Weather Prediction Center # Product description and SWPC contact on the Web # http://www.swpc.noaa.gov/wwire.html # # 3-Day Forecast # A. NOAA Geomagnetic Activity Observation and Forecast The greatest observed 3 hr Kp over the past 24 hours was 8 (NOAA Scale G4). The greatest expected 3 hr Kp for Jun 29-Jul 01 2024 is 4.67 (NOAA Scale G1). NOAA Kp index breakdown Jun 29-Jul 01 2024 Jun 29 Jun 30 Jul 01 00-03UT 4.00 3.33 2.33 03-06UT 4.67 (G1) 2.67 1.67 06-09UT 4.00 2.33 2.67 09-12UT 3.67 1.67 2.67 12-15UT 2.67 1.33 2.33 15-18UT 2.67 1.00 3.00 18-21UT 1.67 1.33 4.00 21-00UT 2.67 1.67 4.00 Rationale: G1 (Minor) geomagnetic storms are likely on 29 Jan due to CME influences. 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 Jun 29-Jul 01 2024 Jun 29 Jun 30 Jul 01 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 29-Jul 01 2024 Jun 29 Jun 30 Jul 01 R1-R2 50% 50% 50% R3 or greater 5% 5% 5% Rationale: There is a chance for R1-R2 (Minor-Moderate) radio blackouts on 28-30 Jun.