Space Weather Message Code: ALTEF3 Serial Number: 3741 Issue Time: 2026 Sep 11 0501 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu Continuation of Serial Number: 3740 Begin Time: 2026 Sep 10 1304 UTC Yesterday Maximum 2MeV Flux: 1391 pfu Max time: 2026 Sep 11 0455 UTCThank 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 Subscription Site. Please do not use the from address fo ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3740 Issue Time: 2026 Sep 11 0045 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu Continuation of Serial Number: 3739 Begin Time: 2026 Sep 10 1304 UTC Yesterday Maximum 2MeV Flux: 3080 pfu Max time: 2026 Sep 10 1745 UTCThank 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 Subscription Site. Please do not use the from address fo ...Continue Reading

:Product: Solar Region Summary :Issued: 2026 Sep 11 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 254 Issued at 0030Z on 11 Sep 2026 Report compiled from data received at SWO on 10 Sep I. Regions with Sunspots. Locations Valid at 10/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4521 N09W67 265 0070 Hsx 02 01 Alpha 4524 N12W27 225 0040 Hsx 01 01 Alpha 4525 N11W10 ...Continue Reading

Dust Storm Sweeps Over Mali   September 10, 2026 Natural Events   Latest Natural Event Images View the natural events archive Dust Storm Sweeps Over Mali At a time of year when dust storm activity winds down, a plume of dust blanketed parts of the West African nation and its neighbors.     NASA Earth Observatory Where every day is Earth day Visit science.nasa.gov/earth/earth-observatory Follow NASAEarth       ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3739 Issue Time: 2026 Sep 10 1306 UTC ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu Threshold Reached: 2026 Sep 10 1304 UTC Station: GOES-19 Comment: Yesterday's max: 1037 pfu 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 Subscription Site. Please do not use the from address for correspondence, as it is not monitored. For comments ...Continue Reading

:Product: Solar Region Summary :Issued: 2026 Sep 10 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 253 Issued at 0030Z on 10 Sep 2026 Report compiled from data received at SWO on 09 Sep I. Regions with Sunspots. Locations Valid at 09/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4521 N09W53 264 0070 Hsx 02 01 Alpha 4523 N10W42 254 0010 Axx 01 03 Alpha 4524 N12W13 ...Continue Reading

Anak Krakatau Rumbles Again   September 9, 2026 Natural Events   Latest Natural Event Images View the natural events archive Anak Krakatau Rumbles Again A powerful eruption from the Indonesian volcano lofted ash into the atmosphere, disrupting thousands of flights and degrading air quality.     NASA Earth Observatory Where every day is Earth day Visit science.nasa.gov/earth/earth-observatory Follow NASAEarth     ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3738 Issue Time: 2026 Sep 09 0538 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu Continuation of Serial Number: 3738 Begin Time: 2026 Sep 08 1550 UTC Yesterday Maximum 2MeV Flux: 1003 pfu CORRECTEDThank 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 Subscription Site. Please do not use the from address for correspondence, as i ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3738 Issue Time: 2026 Sep 09 0535 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu Continuation of Serial Number: 3737 Begin Time: 2026 Sep 08 1550 UTC Yesterday Maximum 2MeV Flux: 1540 pfu Max time: 2026 Sep 09 0145 UTCThank 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 Subscription Site. Please do not use the from address fo ...Continue Reading

:Product: Solar Region Summary :Issued: 2026 Sep 09 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 252 Issued at 0030Z on 09 Sep 2026 Report compiled from data received at SWO on 08 Sep I. Regions with Sunspots. Locations Valid at 08/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4521 N09W40 264 0080 Hsx 02 01 Alpha 4523 N10W29 254 0010 Axx 02 03 Alpha 4524 N13W00 ...Continue Reading