Space Weather Message Code: ALTEF3 Serial Number: 3470 Issue Time: 2025 May 24 1340 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3469 Begin Time: 2025 May 22 1240 UTC Yesterday Maximum 2MeV Flux: 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 update th ...Continue Reading

:Product: Solar Region Summary :Issued: 2025 May 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 144 Issued at 0030Z on 24 May 2025 Report compiled from data received at SWO on 23 May I. Regions with Sunspots. Locations Valid at 23/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4087 N13W70 061 0090 Hsx 02 01 Alpha 4090 S12W30 021 0020 Hsx ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3469 Issue Time: 2025 May 23 0914 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3468 Begin Time: 2025 May 22 1240 UTC Yesterday Maximum 2MeV Flux: 1643 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 May 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 143 Issued at 0030Z on 23 May 2025 Report compiled from data received at SWO on 22 May I. Regions with Sunspots. Locations Valid at 22/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4087 N15W57 061 0090 Hsx 02 01 Alpha 4090 S12W17 021 0030 Hsx ...Continue Reading

May 22, 2025 Natural Events Latest Images From the Past Dayview archive of natural events Smoky Zabaykal'skiy Plumes choked Siberian skies as early-season wildland fires burned near a city in eastern Russia. (May 21, 2025) NASA | 8800 Greenbelt Rd., Greenbelt, MD 20771 Unsubscribe {recipient's email} Update Profile | ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3468 Issue Time: 2025 May 22 1256 UTC ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Threshold Reached: 2025 May 22 1240 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: 2025 May 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 142 Issued at 0030Z on 22 May 2025 Report compiled from data received at SWO on 21 May I. Regions with Sunspots. Locations Valid at 21/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4087 N13W42 059 0120 Hsx 06 02 Alpha 4090 S12W04 021 0030 Hax ...Continue Reading

May 21, 2025 Natural Events Latest Images From the Past Dayview archive of natural events A Tornado Scars Southern Illinois Severe weather swept across the U.S. Midwest and Mid-Atlantic in May 2025, spawning destructive twisters in several states. (May 20, 2025) NASA | 8800 Greenbelt Rd., Greenbelt, MD 20771 Unsubscribe {recipient's email} ...Continue Reading

:Product: Solar Region Summary :Issued: 2025 May 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 141 Issued at 0030Z on 21 May 2025 Report compiled from data received at SWO on 20 May I. Regions with Sunspots. Locations Valid at 20/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4087 N16W27 058 0160 Eso 11 04 Beta-Delta 4089 N18E01 029 0010 ...Continue Reading

May 20, 2025 Weekly News Latest Images of the Dayview the archive A Tornado Scars Southern Illinois Severe weather swept across the U.S. Midwest and Mid-Atlantic in May 2025, spawning destructive twisters in several states. Celebrating a Long Career With Roots on Long Island NASA's Jack Kaye enabled decades of Earth scientists, including those who are unveiling the atmospheric t ...Continue Reading