Space Weather Message Code: ALTEF3 Serial Number: 3573 Issue Time: 2025 Dec 07 2139 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3572 Begin Time: 2025 Dec 05 1530 UTC Yesterday Maximum 2MeV Flux: 2135 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 Dec 07 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 341 Issued at 0030Z on 07 Dec 2025 Report compiled from data received at SWO on 06 Dec I. Regions with Sunspots. Locations Valid at 06/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4294 S15W23 292 0850 Fkc 19 32 Beta-Gamma-Delta 4295 N04W18 287 ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3572 Issue Time: 2025 Dec 06 1234 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3571 Begin Time: 2025 Dec 05 1530 UTC Yesterday Maximum 2MeV Flux: 1426 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 Dec 06 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 340 Issued at 0030Z on 06 Dec 2025 Report compiled from data received at SWO on 05 Dec I. Regions with Sunspots. Locations Valid at 05/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4294 S15W09 291 1000 Fkc 19 29 Beta-Gamma-Delta 4295 N04W03 285 ...Continue Reading

Cyclone Senyar Swamps Sumatra   DECEMBER 5, 2025 Natural Events   Latest Natural Event Images (Links below go to our new home at science.nasa.gov/earth/earth-observatory) View the natural events archive Senyar Swamps Sumatra A rare tropical cyclone dropped torrential rains on the Indonesian island, fueling extensive and destructive floods. Read More     NASA Earth Observatory Where every day is Earth day Visit science.nasa.gov/earth/earth- ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3571 Issue Time: 2025 Dec 05 1545 UTC ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Threshold Reached: 2025 Dec 05 1530 UTC Station: GOES-19 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

Hayli Gubbi volcano   DECEMBER 4, 2025 Natural Events   Latest Natural Event Images (Links below go to our new home at science.nasa.gov/earth/earth-observatory) View the natural events archive Hayli Gubbi’s Explosive First Impression In its first documented eruption, the Ethiopian volcano sent a plume of gas and ash drifting across continents. Read More     NASA Earth Observatory Where every day is Earth day Visit science.nasa.gov/earth/ea ...Continue Reading

:Product: Solar Region Summary :Issued: 2025 Dec 05 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 339 Issued at 0030Z on 05 Dec 2025 Report compiled from data received at SWO on 04 Dec I. Regions with Sunspots. Locations Valid at 04/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4294 S15E04 291 1280 Fkc 19 47 Beta-Gamma-Delta 4295 N04E11 284 ...Continue Reading

:Product: Solar Region Summary :Issued: 2025 Dec 04 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 338 Issued at 0030Z on 04 Dec 2025 Report compiled from data received at SWO on 03 Dec I. Regions with Sunspots. Locations Valid at 03/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4290 S09W87 035 0010 Hrx 01 01 Alpha 4291 S11W85 033 0010 Hrx ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3570 Issue Time: 2025 Dec 03 0706 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3569 Begin Time: 2025 Nov 25 1450 UTC Yesterday Maximum 2MeV Flux: 8535 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