Official Space Weather Advisory issued by NOAA Space Weather Prediction Center Boulder, Colorado, USA SPACE WEATHER ADVISORY OUTLOOK #26-34 2026 August 30 at 8:15 p.m. MDT (2026 August 31 0215 UTC) **** SPACE WEATHER OUTLOOK **** Summary For August 24-30 No G1 or greater geomagnetic storms were observed during the period. Activity reached R1 (Minor) levels on 24 and 26 Aug, and peaked at R2 (Moderate) levels on 25 Aug. Region 4513 was responsible for all seven of the M-class (R1/R2-Minor/Mo ...Continue Reading

:Product: Solar Region Summary :Issued: 2026 Aug 31 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 243 Issued at 0030Z on 31 Aug 2026 Report compiled from data received at SWO on 30 Aug I. Regions with Sunspots. Locations Valid at 30/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4513 N05W73 057 0030 Cro 02 04 Beta 4515 S07W56 040 0010 Axx 0 ...Continue Reading

:Product: Solar Region Summary :Issued: 2026 Aug 30 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 242 Issued at 0030Z on 30 Aug 2026 Report compiled from data received at SWO on 29 Aug I. Regions with Sunspots. Locations Valid at 29/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4513 N04W58 055 0070 Dai 05 05 Beta 4515 S07W43 040 0020 Hsx 0 ...Continue Reading

:Product: Solar Region Summary :Issued: 2026 Aug 29 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 241 Issued at 0030Z on 29 Aug 2026 Report compiled from data received at SWO on 28 Aug I. Regions with Sunspots. Locations Valid at 28/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4513 N04W43 053 0120 Dai 08 12 Beta 4515 S07W31 041 0030 Hsx 0 ...Continue Reading

Rare, Widespread Snow in the Atacama Desert   August 28, 2026 Natural Events   This Week's Natural Event Images View the natural events archive Rare, Widespread Snow in the Atacama Desert Back-to-back winter storms in August 2026 brought snowfall to northern Chile, from the Andes to near the Pacific coast.     NASA Earth Observatory Where every day is Earth day Visit science.nasa.gov/earth/earth-observatory Follow NASAEarth ...Continue Reading

:Product: Solar Region Summary :Issued: 2026 Aug 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 240 Issued at 0030Z on 28 Aug 2026 Report compiled from data received at SWO on 27 Aug I. Regions with Sunspots. Locations Valid at 27/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4513 N04W29 052 0150 Dac 10 12 Beta-Gamma-Delta 4515 S07W18 041 ...Continue Reading

Rare, Widespread Snow in the Atacama Desert   August 27, 2026 Natural Events   Latest Natural Event Images View the natural events archive Rare, Widespread Snow in the Atacama Desert Back-to-back winter storms in August 2026 brought snowfall to northern Chile, from the Andes to near the Pacific coast.     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: 3730 Issue Time: 2026 Aug 27 0934 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu Continuation of Serial Number: 3729 Begin Time: 2026 Aug 21 1105 UTC Yesterday Maximum 2MeV Flux: 1049 pfu Max time: 2026 Aug 27 0925 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 no ...Continue Reading

:Product: Solar Region Summary :Issued: 2026 Aug 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 239 Issued at 0030Z on 27 Aug 2026 Report compiled from data received at SWO on 26 Aug I. Regions with Sunspots. Locations Valid at 26/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4513 N04W17 054 0190 Dac 10 14 Beta-Gamma 4515 S07W04 041 0020 ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3729 Issue Time: 2026 Aug 26 0813 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu Continuation of Serial Number: 3728 Begin Time: 2026 Aug 21 1105 UTC Yesterday Maximum 2MeV Flux: 1039 pfu Max time: 2026 Aug 26 0805 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 no ...Continue Reading