Space Weather Message Code: ALTEF3 Serial Number: 3756 Issue Time: 2026 Oct 24 0904 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu Continuation of Serial Number: 3755 Begin Time: 2026 Oct 23 1140 UTC Yesterday Maximum 2MeV Flux: 3169 pfu Max time: 2026 Oct 23 1540 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 Oct 24 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 297 Issued at 0030Z on 24 Oct 2026 Report compiled from data received at SWO on 23 Oct I. Regions with Sunspots. Locations Valid at 23/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4557 N07W82 072 0009 Dao 08 09 Beta 4560 N13W58 048 0180 Eai 14 22 Beta-Gamma IA. H-alpha Plages w ...Continue Reading

Fires Char New Guinea; Extratropical Cyclone Whips Past Iceland   October 23, 2026 Natural Events   This Week's Natural Event Images View the natural events archive Fires Char New Guinea Emissions on both sides of the island are unusually high as human-set fires spread in a landscape parched by drought. Extratropical Cyclone Whips Past Iceland The powerful low-pressure system formed over the North Atlantic out of the remnants of Hur ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3755 Issue Time: 2026 Oct 23 1147 UTC ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu Threshold Reached: 2026 Oct 23 1140 UTC Station: GOES-19 Comment: 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 or help, please contact SW ...Continue Reading

:Product: Solar Region Summary :Issued: 2026 Oct 23 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 296 Issued at 0030Z on 23 Oct 2026 Report compiled from data received at SWO on 22 Oct I. Regions with Sunspots. Locations Valid at 22/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4557 N07W68 072 0110 Dao 10 09 Beta 4560 N13W42 046 0160 Eai 13 20 Beta-Gamma-Delta IA. H-alpha Pl ...Continue Reading

Extratropical Cyclone Whips Past Iceland; Fires Char New Guinea   October 22, 2026 Natural Events   Latest Natural Event Images View the natural events archive Fires Char New Guinea Emissions on both sides of the island are unusually high as human-set fires spread in a landscape parched by drought. Extratropical Cyclone Whips Past Iceland The powerful low-pressure system formed over the North Atlantic out of the remnants of Hurrican ...Continue Reading

:Product: Solar Region Summary :Issued: 2026 Oct 22 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 295 Issued at 0030Z on 22 Oct 2026 Report compiled from data received at SWO on 21 Oct I. Regions with Sunspots. Locations Valid at 21/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4551 S16W85 102 0340 Eko 13 04 Beta-Gamma 4557 N07W55 072 0100 Dso 09 13 Beta 4560 N13W28 045 0 ...Continue Reading

:Product: Solar Region Summary :Issued: 2026 Oct 21 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 294 Issued at 0030Z on 21 Oct 2026 Report compiled from data received at SWO on 20 Oct I. Regions with Sunspots. Locations Valid at 20/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4551 S15W72 103 0340 Eko 13 04 Beta-Gamma 4557 N06W41 072 0150 Dsi 09 17 Beta-Gamma 4560 N13W14 ...Continue Reading

Discover the latest from NASA Earth Science   October 20, 2026 Weekly News   Latest Images of the Day View the Image of the Day archive The Human Fingerprint on Earth’s Water Cycle Human activities have become intertwined with how water is distributed across the continents. A new study brings their effects into sharper focus. Autumn Paints Poland’s Bieszczady Mountains Fall color covers the forested slopes of Bieszczady National Par ...Continue Reading

:Product: Solar Region Summary :Issued: 2026 Oct 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 293 Issued at 0030Z on 20 Oct 2026 Report compiled from data received at SWO on 19 Oct I. Regions with Sunspots. Locations Valid at 19/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4551 S15W59 103 0350 Eko 12 12 Beta-Gamma 4557 N06W28 072 0120 Dai 08 20 Beta 4560 N14W01 045 0 ...Continue Reading