:Product: Solar Region Summary :Issued: 2025 Apr 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 108 Issued at 0030Z on 18 Apr 2025 Report compiled from data received at SWO on 17 Apr I. Regions with Sunspots. Locations Valid at 17/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4056 S07W74 181 0030 Cso 03 02 Beta 4060 N08W31 138 0120 Cao 0 ...Continue Reading

:Product: Solar Region Summary :Issued: 2025 Apr 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 107 Issued at 0030Z on 17 Apr 2025 Report compiled from data received at SWO on 16 Apr I. Regions with Sunspots. Locations Valid at 16/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4056 S07W62 181 0020 Hsx 01 01 Alpha 4060 N08W19 138 0140 Dai ...Continue Reading

:Product: Solar Region Summary :Issued: 2025 Apr 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 106 Issued at 0030Z on 16 Apr 2025 Report compiled from data received at SWO on 15 Apr I. Regions with Sunspots. Locations Valid at 15/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4056 S09W48 180 0040 Hsx 01 01 Alpha 4060 N08W03 135 0180 Dai ...Continue Reading

April 15, 2025 Weekly News Latest Images of the Dayview the archive Signs of the Season in Pine Island Bay A major embayment in West Antarctica saw new sea ice growth in autumn 2025 amid older sea ice that had survived the austral summer melt season. Satellite Data Show Motion of Burma Earthquakes NASA scientists employed a pixel-tracking method to reveal how much the ground shift ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3454 Issue Time: 2025 Apr 15 1116 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3453 Begin Time: 2025 Apr 05 1225 UTC Yesterday Maximum 2MeV Flux: 1464 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 Apr 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 105 Issued at 0030Z on 15 Apr 2025 Report compiled from data received at SWO on 14 Apr I. Regions with Sunspots. Locations Valid at 14/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4055 N07W92 237 0820 Ekc 13 14 Beta-Gamma-Delta 4056 S09W36 181 ...Continue Reading

April 14, 2025 Natural Events Latest Images From the Past 7 Daysview archive of natural events Blooming British Isles The colorful North Atlantic waters visible around the archipelago in April 2025 are likely due to a mix of phytoplankton and suspended sediment. (Apr 10, 2025) Flooding Along the Mississippi A slow-moving storm system dumped heavy ra ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3453 Issue Time: 2025 Apr 14 0512 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3452 Begin Time: 2025 Apr 05 1225 UTC Yesterday Maximum 2MeV Flux: 1150 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

Official Space Weather Advisory issued by NOAA Space Weather Prediction Center Boulder, Colorado, USA SPACE WEATHER ADVISORY OUTLOOK #25-13 2025 April 13 at 7:43 p.m. MDT (2025 April 14 0143 UTC) **** SPACE WEATHER OUTLOOK **** Summary For April 7-13 G1 Minor storm levels were observed on 08-09, and 12 April. R1 (Minor) radio blackouts were observed on 08, 11-13 April. Outlook For April 14-20 G2 Moderate storm levels are expected on 16 April. G1 Minor storm levels are expected on 17 April. ...Continue Reading

:Product: Solar Region Summary :Issued: 2025 Apr 14 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 104 Issued at 0030Z on 14 Apr 2025 Report compiled from data received at SWO on 13 Apr I. Regions with Sunspots. Locations Valid at 13/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4055 N07W75 235 0820 Ekc 13 14 Beta-Gamma-Delta 4056 S08W24 184 ...Continue Reading