:Product: Solar Region Summary :Issued: 2025 May 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 147 Issued at 0030Z on 27 May 2025 Report compiled from data received at SWO on 26 May I. Regions with Sunspots. Locations Valid at 26/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4090 S13W70 021 0020 Hrx 01 01 Alpha 4092 S13W28 339 0110 Hsx ...Continue Reading

Official Space Weather Advisory issued by NOAA Space Weather Prediction Center Boulder, Colorado, USA SPACE WEATHER ADVISORY OUTLOOK #25-17 2025 May 25 at 7:47 p.m. MDT (2025 May 26 0147 UTC) **** SPACE WEATHER OUTLOOK **** Summary For May 19-25 R1 (Minor) radio blackouts were observed on 19 May, 21 May, 24 May, and 25 May due to activity from the Sun's limb, Region 4087 and Region 4098. R2-R3 (Moderate-Strong) radio blackouts were observed on 25 May due to activity from Region 4098. No oth ...Continue Reading

:Product: Solar Region Summary :Issued: 2025 May 26 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 146 Issued at 0030Z on 26 May 2025 Report compiled from data received at SWO on 25 May I. Regions with Sunspots. Locations Valid at 25/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4090 S13W57 021 0030 Hsx 01 01 Alpha 4092 S13W14 338 0110 Hsx ...Continue Reading

:Product: Solar Region Summary :Issued: 2025 May 25 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 145 Issued at 0030Z on 25 May 2025 Report compiled from data received at SWO on 24 May I. Regions with Sunspots. Locations Valid at 24/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4087 N13W84 062 0120 Hsx 03 01 Alpha 4090 S12W43 021 0040 Hsx ...Continue Reading

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

NASA News   CONTRACT RELEASE C25-011 MAY 23, 2025 MISSIONS NASA Awards Project Support Bridge Contract   Credit: NASA NASA has awarded a bridge contract to ASRC Federal System Solutions LLC of Beltsville, Maryland, to provide financial support and project planning and control services to the agency.   The Program Analysis and Control Bridge Contract has a total potential value up to $98 million with a 13-month period of performance be ...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

From: mailto: Jonathan's Space Report No. 845 2025 May 23 Somerville, MA ----------------------------------------------------------------------------------------------- Library Relocation News ----------------------- Still no definite news. I am making a brief trip to the UK next week to look at property. I hope to have more to say next month. International Space Station --------------------------- Expedition 73 continues. Progress MS-30 reboosted the ISS orbit o ...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