Routine Space Environment Product (Daily)
Issued by NWS
Issued by NWS
996 FXXX10 KWNP 050031 DAYTDF :Product: 3-Day Forecast :Issued: 2025 Feb 05 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 2 (below NOAA Scale levels). The greatest expected 3 hr Kp for Feb 05-Feb 07 2025 is 2.67 (below NOAA Scale levels). NOAA Kp index breakdown Feb 05-Feb 07 2025 Feb 05 Feb 06 Feb 07 00-03UT 2.00 1.33 2.33 03-06UT 2.67 1.67 2.00 06-09UT 2.67 1.33 2.33 09-12UT 2.00 1.67 1.67 12-15UT 2.33 1.33 2.00 15-18UT 2.00 1.33 2.33 18-21UT 2.00 1.33 2.00 21-00UT 1.67 1.67 2.67 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 Feb 05-Feb 07 2025 Feb 05 Feb 06 Feb 07 S1 or greater 15% 15% 15% Rationale: There is a slight chance for S1 (Minor) or greater solar radiation storms 04-07 Feb. C. NOAA Radio Blackout Activity and Forecast Radio blackouts reaching the R1 levels were observed over the past 24 hours. The largest was at Feb 04 2025 1121 UTC. Radio Blackout Forecast for Feb 05-Feb 07 2025 Feb 05 Feb 06 Feb 07 R1-R2 85% 85% 85% R3 or greater 20% 20% 20% Rationale: R1-R2 (Minor-Moderate) radio blackout events are expected 04-06 Feb, with a slight chance for R3 (Strong) events.