


Routine Space Environment Product Issued Weekly
Issued by NWS
Issued by NWS
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718 FXXX02 KWNP 240226 WEKFOR :Product: 27-day Space Weather Forecast :Issued: 2025 Mar 24 0202 UTC # Prepared by the US Dept. of Commerce, NOAA, Space Weather Prediction Center # Product description and SWPC contact on the Web # https://www.swpc.noaa.gov/content/subscription-services # # 27-day Space Weather Forecast # Forecast of Solar and Geomagnetic Activity 24 March - 19 April 2025 Solar activity is expected to be at a chance for R1-R2 (Minor-Moderate) levels through the outlook period. No proton events are expected at geosynchronous orbit. The greater than 2 MeV electron flux at geosynchronous orbit is expected to be at high levels on 27-31 March and 06-14 April. Low to moderate levels are expected on 24-26 March, 01-05 April and 15-19 April. Geomagnetic field activity is expected to be at active to G1-Minor levels on 24 March due to CME effects. G1-G2 (Minor-Moderate) levels on 25-26 March and unsettled to active levels on 27-29 March are forecasted due to positive polarity CH HSS influence. A combination of unsettled to G1-Minor levels are forecasted for 04-19 April due to negative polarity CH HSS influence.