Space Weather Message Code: ALTEF3 Serial Number: 3473 Issue Time: 2025 May 31 0634 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3472 Begin Time: 2025 May 30 0155 UTC Yesterday Maximum 2MeV Flux: 4876 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 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 151 Issued at 0030Z on 31 May 2025 Report compiled from data received at SWO on 30 May I. Regions with Sunspots. Locations Valid at 30/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4092 S13W82 340 0120 Hsx 02 01 Alpha 4096 N07W49 307 0060 Hsx ...Continue Reading

May 30, 2025 Natural Events Latest Images From the Past Dayview archive of natural events Record Heat in Northwest European Waters Unusually warm sea surface temperatures lingered for months in the waters around the U.K. and Ireland in spring 2025. (May 29, 2025) Spring Heat Wave in Iceland Temperatures soared across the island during an early, wide ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3472 Issue Time: 2025 May 30 1152 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3471 Begin Time: 2025 May 30 0155 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

Space Weather Message Code: ALTEF3 Serial Number: 3471 Issue Time: 2025 May 30 0212 UTC ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Threshold Reached: 2025 May 30 0155 UTC Station: GOES-19 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 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 150 Issued at 0030Z on 30 May 2025 Report compiled from data received at SWO on 29 May I. Regions with Sunspots. Locations Valid at 29/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4092 S13W66 337 0120 Cso 03 03 Beta 4094 N20W61 332 0010 Axx 0 ...Continue Reading

: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