This mailing list is announce-only.
Solar reports
Private list
December 28th 2025 PST
Space Weather Message Code: ALTEF3 Serial Number: 3588 Issue Time: 2025 Dec 28 0459 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3587 Begin Time: 2025 Dec 21 1425 UTC Yesterday Maximum 2MeV Flux: 6123 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
December 27th 2025 PST
:Product: Solar Region Summary :Issued: 2025 Dec 28 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 362 Issued at 0030Z on 28 Dec 2025 Report compiled from data received at SWO on 27 Dec I. Regions with Sunspots. Locations Valid at 27/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4312 N19W61 053 0030 Hsx 02 01 Alpha 4316 S07W59 051 0010 Hrx ...Continue Reading
December 26th 2025 PST
Space Weather Message Code: ALTEF3 Serial Number: 3587 Issue Time: 2025 Dec 27 0507 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3586 Begin Time: 2025 Dec 21 1425 UTC Yesterday Maximum 2MeV Flux: 8195 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
December 26th 2025 PST
Space Weather Message Code: ALTEF3 Serial Number: 3586 Issue Time: 2025 Dec 27 0324 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3585 Begin Time: 2025 Dec 21 1425 UTC Yesterday Maximum 2MeV Flux: 8195 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
December 26th 2025 PST
:Product: Solar Region Summary :Issued: 2025 Dec 27 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 361 Issued at 0030Z on 27 Dec 2025 Report compiled from data received at SWO on 26 Dec I. Regions with Sunspots. Locations Valid at 26/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4312 N19W48 053 0030 Hsx 02 01 Alpha 4316 S08W45 050 0010 Hax ...Continue Reading
December 25th 2025 PST
Space Weather Message Code: ALTEF3 Serial Number: 3585 Issue Time: 2025 Dec 26 0512 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3584 Begin Time: 2025 Dec 21 1425 UTC Yesterday Maximum 2MeV Flux: 8651 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
December 25th 2025 PST
:Product: Solar Region Summary :Issued: 2025 Dec 26 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 360 Issued at 0030Z on 26 Dec 2025 Report compiled from data received at SWO on 25 Dec I. Regions with Sunspots. Locations Valid at 25/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4312 N19W34 052 0020 Hsx 02 01 Alpha 4316 S07W30 048 0020 Hax ...Continue Reading
December 24th 2025 PST
Space Weather Message Code: ALTEF3 Serial Number: 3584 Issue Time: 2025 Dec 25 0501 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3583 Begin Time: 2025 Dec 21 1425 UTC Yesterday Maximum 2MeV Flux: 7351 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
December 24th 2025 PST
:Product: Solar Region Summary :Issued: 2025 Dec 25 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 359 Issued at 0030Z on 25 Dec 2025 Report compiled from data received at SWO on 24 Dec I. Regions with Sunspots. Locations Valid at 24/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4312 N19W21 052 0030 Hsx 02 01 Alpha 4316 S08W17 048 0030 Cso ...Continue Reading
December 23rd 2025 PST
Space Weather Message Code: ALTEF3 Serial Number: 3583 Issue Time: 2025 Dec 24 0506 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3582 Begin Time: 2025 Dec 21 1425 UTC Yesterday Maximum 2MeV Flux: 5557 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