Space Weather Message Code: ALTEF3 Serial Number: 3607 Issue Time: 2026 Jan 22 0459 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3606 Begin Time: 2026 Jan 21 0950 UTC Yesterday Maximum 2MeV Flux: 3332 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: 2026 Jan 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 22 Issued at 0030Z on 22 Jan 2026 Report compiled from data received at SWO on 21 Jan I. Regions with Sunspots. Locations Valid at 21/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4341 S11W23 046 0310 Dkc 08 12 Beta-Delta 4342 N14W18 041 0180 D ...Continue Reading

Fires Erupt in South-Central Chile   January 21, 2026 Natural Events   Latest Natural Event Images View the natural events archive Fires Erupt in South-Central Chile Tens of thousands of people fled to safety as blazes spread throughout the country’s Biobío and Ñuble regions. Read more     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: 3606 Issue Time: 2026 Jan 21 1006 UTC ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Threshold Reached: 2026 Jan 21 0950 UTC Station: GOES19 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

:Product: Solar Region Summary :Issued: 2026 Jan 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 21 Issued at 0030Z on 21 Jan 2026 Report compiled from data received at SWO on 20 Jan I. Regions with Sunspots. Locations Valid at 20/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4341 S11W09 045 0300 Dko 07 13 Beta 4342 N14W04 040 0160 Dsi 07 ...Continue Reading

Discover the latest from NASA Earth Science   January 20, 2026 Weekly News   Latest Images of the Day View the Image of the Day archive North America’s Greenhouse Hub The expansion of greenhouses in southern Ontario is changing the appearance of the land surface—and the night sky. Read more How Long, Not Long After marching from Selma, Martin Luther King Jr. stood on the steps of the state capitol in Montgomery, Alabama, and called fo ...Continue Reading

:Product: Solar Region Summary :Issued: 2026 Jan 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 20 Issued at 0030Z on 20 Jan 2026 Report compiled from data received at SWO on 19 Jan I. Regions with Sunspots. Locations Valid at 19/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4341 S11E03 046 0290 Dkc 09 12 Beta-Gamma 4342 N14E10 039 0140 D ...Continue Reading

Space Weather Message Code: WATA99 Serial Number: 13 Issue Time: 2026 Jan 19 1203 UTC WATCH: Geomagnetic Storm Category G4 or Greater Predicted Highest Storm Level Predicted by Day: Jan 20: G4 (Severe) Jan 21: G1 (Minor) Jan 22: None (Below G1) THIS SUPERSEDES ANY/ALL PRIOR WATCHES IN EFFECT NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Area of impact primarily poleward of 45 degrees Geomagnetic Latitude. Induced ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3605 Issue Time: 2026 Jan 19 0500 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3604 Begin Time: 2026 Jan 12 1040 UTC Yesterday Maximum 2MeV Flux: 4619 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: 2026 Jan 19 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 19 Issued at 0030Z on 19 Jan 2026 Report compiled from data received at SWO on 18 Jan I. Regions with Sunspots. Locations Valid at 18/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4341 S11E17 045 0360 Dkc 07 13 Beta-Gamma-Delta 4342 N16E22 040 ...Continue Reading