:Product: Solar Region Summary :Issued: 2025 May 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 149 Issued at 0030Z on 29 May 2025 Report compiled from data received at SWO on 28 May I. Regions with Sunspots. Locations Valid at 28/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4092 S13W55 340 0110 Hsx 02 01 Alpha 4094 N20W47 332 0010 Axx ...Continue Reading

:Product: Solar Region Summary :Issued: 2025 May 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 148 Issued at 0030Z on 28 May 2025 Report compiled from data received at SWO on 27 May I. Regions with Sunspots. Locations Valid at 27/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4090 S13W84 022 0010 Axx 01 01 Alpha 4092 S13W41 339 0110 Hsx ...Continue Reading

May 27, 2025 Weekly News Latest Images of the Dayview the archive Roiling Poas Volcano The restless Costa Rican volcano sustains a hot, ultra-acidic crater lake that shares similarities to Martian environments. Months in the Midnight Sun Far above the Arctic Circle, the landscape around Utqiaġvik, Alaska, transforms from a frozen tundra to a mosaic of ponds during its 84 da ...Continue Reading

May 26, 2025 Natural Events Latest Images From the Past 7 Daysview 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) A Tornado Scars Southern Illinois Severe weather swept across the U.S. Midwest and Mid-Atlantic in May 2025, spawning destruc ...Continue Reading

: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