FXXX10 KWNP 020031 DAYTDF :Product: 3-Day Forecast :Issued: 2026 Nov 02 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 5 (NOAA Scale G1). The greatest expected 3 hr Kp for Nov 02-Nov 04 2026 is 3.00 (below NOAA Scale levels). NOAA Kp index breakdown Nov 02-Nov 04 2026 Nov 02 Nov 03 Nov 04 00-03UT 2.67 1.67 1.67 03-06UT 3.00 2.00 2.00 06-09UT 3.00 1.67 1.67 09-12UT 2.67 1.33 1.33 12-15UT 2.00 0.67 1.33 15-18UT 2.00 0.67 0.67 18-21UT 1.67 1.67 0.67 21-00UT 2.00 1.33 1.67 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 Nov 02-Nov 04 2026 Nov 02 Nov 03 Nov 04 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 Nov 02-Nov 04 2026 Nov 02 Nov 03 Nov 04 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.