Subj : 3 Day Space Weather Forecast To : All From : Sean Dennis Date : Tue Mar 03 2026 12:19 am :Product: 3-Day Forecast :Issued: 2026 Mar 03 0030 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 2 (below NOAA Scale levels). The greatest expected 3 hr Kp for Mar 03-Mar 05 2026 is 3.67 (below NOAA Scale levels). NOAA Kp index breakdown Mar 03-Mar 05 2026 Mar 03 Mar 04 Mar 05 00-03UT 2.00 3.67 2.67 03-06UT 1.67 3.33 2.67 06-09UT 2.33 2.33 1.33 09-12UT 1.33 2.00 1.67 12-15UT 2.00 1.33 1.33 15-18UT 2.33 2.00 1.67 18-21UT 3.33 2.00 1.67 21-00UT 3.67 2.00 1.33 Rationale: No G1 (Minor) or greater geomagnetic storms are expected through 05 Mar. 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 Mar 03-Mar 05 2026 Mar 03 Mar 04 Mar 05 S1 or greater 1% 1% 1% Rationale: No S1 (Minor) or greater solar radiation storms are expected. C. NOAA Radio Blackout Activity and Forecast No radio blackouts were observed over the past 24 hours. Radio Blackout Forecast for Mar 03-Mar 05 2026 Mar 03 Mar 04 Mar 05 R1-R2 30% 30% 30% R3 or greater 5% 5% 5% Rationale: There is a chance for R1-R2 (Minor-Moderate) radio blackouts, with a slight chance for R3 (Strong) events, through 05 Mar. --- MBSE BBS v1.1.7 (Linux-x86_64) * Origin: Outpost BBS * Johnson City, TN (1:18/200) .