Space Weather Message Code: ALTEF3 Serial Number: 3413 Issue Time: 2025 Jan 09 1052 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3412 Begin Time: 2025 Jan 06 1430 UTC Yesterday Maximum 2MeV Flux: 1555 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

Space Weather Message Code: ALTEF3 Serial Number: 3412 Issue Time: 2025 Jan 08 1245 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3411 Begin Time: 2025 Jan 06 1430 UTC Yesterday Maximum 2MeV Flux: 3074 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

Space Weather Message Code: ALTEF3 Serial Number: 3411 Issue Time: 2025 Jan 07 1152 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3410 Begin Time: 2025 Jan 06 1430 UTC Yesterday Maximum 2MeV Flux: 1508 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

Space Weather Message Code: ALTEF3 Serial Number: 3410 Issue Time: 2025 Jan 06 1442 UTC ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Threshold Reached: 2025 Jan 06 1430 UTC Station: GOES-16 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 update the personal information in your account, go to the Product ...Continue Reading

Space Weather Message Code: SUMX01 Serial Number: 188 Issue Time: 2025 Jan 04 1301 UTC SUMMARY: X-ray Event exceeded X1 Begin Time: 2025 Jan 04 1234 UTC Maximum Time: 2025 Jan 04 1248 UTC End Time: 2025 Jan 04 1256 UTC X-ray Class: X1.8 Location: N13E47 NOAA Scale: R3 - Strong NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Area of impact consists of large portions of the sunlit side of Earth, strongest at the sub-sola ...Continue Reading

Space Weather Message Code: ALTXMF Serial Number: 467 Issue Time: 2025 Jan 04 1245 UTC ALERT: X-Ray Flux exceeded M5 Threshold Reached: 2025 Jan 04 1243 UTC NOAA Scale: R2 - Moderate NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Area of impact centered on sub-solar point on the sunlit side of Earth. Extent of blackout of HF (high frequency) radio communication dependent upon current X-ray Flux intensity. For real-time in ...Continue Reading

Space Weather Message Code: ALTXMF Serial Number: 466 Issue Time: 2025 Jan 04 0515 UTC ALERT: X-Ray Flux exceeded M5 Threshold Reached: 2025 Jan 04 0514 UTC NOAA Scale: R2 - Moderate NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Area of impact centered on sub-solar point on the sunlit side of Earth. Extent of blackout of HF (high frequency) radio communication dependent upon current X-ray Flux intensity. For real-time in ...Continue Reading

Space Weather Message Code: ALTXMF Serial Number: 465 Issue Time: 2025 Jan 03 2357 UTC ALERT: X-Ray Flux exceeded M5 Threshold Reached: 2025 Jan 03 2356 UTC NOAA Scale: R2 - Moderate NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Area of impact centered on sub-solar point on the sunlit side of Earth. Extent of blackout of HF (high frequency) radio communication dependent upon current X-ray Flux intensity. For real-time in ...Continue Reading

Space Weather Message Code: SUMX01 Serial Number: 187 Issue Time: 2025 Jan 03 2305 UTC SUMMARY: X-ray Event exceeded X1 Begin Time: 2025 Jan 03 2232 UTC Maximum Time: 2025 Jan 03 2241 UTC End Time: 2025 Jan 03 2251 UTC X-ray Class: X1.1 Location: N11E57 NOAA Scale: R3 - Strong Comment: Proton Prediction Model resulted in a 3% chance for 10 MeV Protons to exceed threshold beginning about 13 hours from maximum time. NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov ...Continue Reading

Space Weather Message Code: ALTXMF Serial Number: 464 Issue Time: 2025 Jan 03 2241 UTC ALERT: X-Ray Flux exceeded M5 Threshold Reached: 2025 Jan 03 2241 UTC NOAA Scale: R2 - Moderate NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Area of impact centered on sub-solar point on the sunlit side of Earth. Extent of blackout of HF (high frequency) radio communication dependent upon current X-ray Flux intensity. For real-time in ...Continue Reading