Space Weather Message Code: ALTEF3 Serial Number: 3500 Issue Time: 2025 Jul 20 0605 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3499 Begin Time: 2025 Jul 14 1550 UTC Yesterday Maximum 2MeV Flux: 11583 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 upda ...Continue Reading

:Product: Solar Region Summary :Issued: 2025 Jul 20 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 201 Issued at 0030Z on 20 Jul 2025 Report compiled from data received at SWO on 19 Jul I. Regions with Sunspots. Locations Valid at 19/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4136 N21W62 018 0260 Dkc 06 05 Beta-Gamma 4139 N22W80 036 0220 ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3499 Issue Time: 2025 Jul 19 0500 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3498 Begin Time: 2025 Jul 14 1550 UTC Yesterday Maximum 2MeV Flux: 10273 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 upda ...Continue Reading

:Product: Solar Region Summary :Issued: 2025 Jul 19 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 200 Issued at 0030Z on 19 Jul 2025 Report compiled from data received at SWO on 18 Jul I. Regions with Sunspots. Locations Valid at 18/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4135 S08W78 048 0020 Axx 02 02 Alpha 4136 N21W50 020 0280 Dkc ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3498 Issue Time: 2025 Jul 18 0500 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3497 Begin Time: 2025 Jul 14 1550 UTC Yesterday Maximum 2MeV Flux: 6590 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 Jul 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 199 Issued at 0030Z on 18 Jul 2025 Report compiled from data received at SWO on 17 Jul I. Regions with Sunspots. Locations Valid at 17/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4135 S08W65 048 0040 Hsx 02 01 Alpha 4136 N21W37 020 0280 Dkc ...Continue Reading

July 17, 2025 Natural Events Latest Images From the Past Dayview archive of natural events Wildfire Smoke Billows Over Northern California Amid scorching heat and low humidity, the Green and Butler fires have burned tens of thousands of acres and choked nearby communities with smoke. (Jul 16, 2025) NASA | 8800 Greenbelt Rd., Greenbelt, MD 20771 Unsubscribe so ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3497 Issue Time: 2025 Jul 17 0852 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3496 Begin Time: 2025 Jul 14 1550 UTC Yesterday Maximum 2MeV Flux: 4840 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 Jul 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 198 Issued at 0030Z on 17 Jul 2025 Report compiled from data received at SWO on 16 Jul I. Regions with Sunspots. Locations Valid at 16/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4135 S09W52 048 0040 Hsx 02 01 Alpha 4136 N19W28 024 0250 Cko ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3496 Issue Time: 2025 Jul 16 2334 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3495 Begin Time: 2025 Jul 14 1550 UTC Yesterday Maximum 2MeV Flux: 1010 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