NWXX04 KWNP 280101 ADVOUT Official Space Weather Advisory issued by NOAA Space Weather Prediction Center Boulder, Colorado, USA SPACE WEATHER ADVISORY OUTLOOK #25-15 2025 April 27 at 6:59 p.m. MDT (2025 April 28 0059 UTC) **** SPACE WEATHER OUTLOOK **** Summary For April 21-27 -G1 (Minor) storm periods were observed on 21 Apr in response to positive polarity CH HSS influences. -R1 (Minor) events were observed on 21-22 Apr. No additional space weather storms were observed during the summary period. Outlook For April 28-May 4 No space weather storms are expected during the outlook period. Space Weather Prediction Center links Current space weather conditions http://www.swpc.noaa.gov/communities/space-weather-enthusiasts Alerts http://www.swpc.noaa.gov/products/alerts-watches-and-warnings Outlook http://www.swpc.noaa.gov/products/space-weather-advisory-outlook Data used to provide space weather services are contributed by NOAA, USAF, NASA, NSF, USGS, the International Space Environment Service (ISES) and other observatories, universities, and institutions. For more information, including email services, see SWPC's Space Weather Prediction Center Web site http://www.swpc.noaa.gov/ or (303) 497-3171.