Official Space Weather Advisory issued by NOAA Space Weather Prediction Center Boulder, Colorado, USA SPACE WEATHER ADVISORY OUTLOOK #25-29 2025 August 17 at 7:24 p.m. MDT (2025 August 18 0124 UTC) **** SPACE WEATHER OUTLOOK **** Summary For August 11-17 R1 (Minor) events were observed on 11-12 Aug. Outlook For August 18-24 G1 (Minor) storming is likely on 19 Aug due to negative polarity CH HSS influence. Data used to provide space weather services are contributed by NOAA, USAF, NASA, NSF ...Continue Reading

:Product: Solar Region Summary :Issued: 2025 Aug 18 0030 UTC # Prepared jointly by the U.S. Dept. of Commerce, NOAA, # Space Weather Prediction Center and the U.S. Air Force. # Joint USAF/NOAA Solar Region Summary SRS Number 230 Issued at 0030Z on 18 Aug 2025 Report compiled from data received at SWO on 17 Aug I. Regions with Sunspots. Locations Valid at 17/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4171 N19W78 010 0010 Hrx 01 01 Alpha 4180 S03W11 304 0040 Cai ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3517 Issue Time: 2025 Aug 17 0827 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3516 Begin Time: 2025 Aug 10 1145 UTC Yesterday Maximum 2MeV Flux: 9366 pfu Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.Thank you for using the Product Subscription Service. If you would like to remove a product subscription or updat ...Continue Reading

:Product: Solar Region Summary :Issued: 2025 Aug 17 0030 UTC # Prepared jointly by the U.S. Dept. of Commerce, NOAA, # Space Weather Prediction Center and the U.S. Air Force. # Joint USAF/NOAA Solar Region Summary SRS Number 229 Issued at 0030Z on 17 Aug 2025 Report compiled from data received at SWO on 16 Aug I. Regions with Sunspots. Locations Valid at 16/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4169 N22W84 030 0030 Hsx 01 01 Alpha 4171 N19W66 012 0030 Hsx ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3516 Issue Time: 2025 Aug 16 0833 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3515 Begin Time: 2025 Aug 10 1145 UTC Yesterday Maximum 2MeV Flux: 4263 pfu Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.Thank you for using the Product Subscription Service. If you would like to remove a product subscription or updat ...Continue Reading

:Product: Solar Region Summary :Issued: 2025 Aug 16 0030 UTC # Prepared jointly by the U.S. Dept. of Commerce, NOAA, # Space Weather Prediction Center and the U.S. Air Force. # Joint USAF/NOAA Solar Region Summary SRS Number 228 Issued at 0030Z on 16 Aug 2025 Report compiled from data received at SWO on 15 Aug I. Regions with Sunspots. Locations Valid at 15/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4169 N22W72 031 0040 Hsx 01 01 Alpha 4171 N19W52 011 0030 Hsx ...Continue Reading

August 15, 2025 Natural Events Latest Images From the Past Dayview archive of natural events Seeing the Monroe Canyon Fire in a New Light As wildland fires raged in the American West, NASA airborne technology was there to image it in incredible detail. (Aug 14, 2025) Fire Burns Through Olympic Wilderness The Bear Gulch fire spread through dense fore ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3515 Issue Time: 2025 Aug 15 0857 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3514 Begin Time: 2025 Aug 10 1145 UTC Yesterday Maximum 2MeV Flux: 2590 pfu Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.Thank you for using the Product Subscription Service. If you would like to remove a product subscription or updat ...Continue Reading

:Product: Solar Region Summary :Issued: 2025 Aug 15 0030 UTC # Prepared jointly by the U.S. Dept. of Commerce, NOAA, # Space Weather Prediction Center and the U.S. Air Force. # Joint USAF/NOAA Solar Region Summary SRS Number 227 Issued at 0030Z on 15 Aug 2025 Report compiled from data received at SWO on 14 Aug I. Regions with Sunspots. Locations Valid at 14/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4169 N23W59 032 0030 Hsx 01 01 Alpha 4171 N19W39 012 0070 Hsx ...Continue Reading

August 14, 2025 Natural Events Latest Images From the Past Dayview archive of natural events Ash Streams from Klyuchevskaya Sopka One of the most active volcanoes on the Kamchatka Peninsula is erupting yet again. (Aug 14, 2025) NASA | 8800 Greenbelt Rd., Greenbelt, MD 20771 Unsubscribe solar_reports@aus-city.com Update Profile | ...Continue Reading