Space Weather Message Code: ALTEF3 Serial Number: 3694 Issue Time: 2026 May 24 0500 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3693 Begin Time: 2026-05-16 17:40 Yesterday Maximum 2MeV Flux: 3762 pfu Continued 2026-05-24 04:59 by Forecaster User Continued 2026-05-24 04:59 by Forecaster User Thank you for using the Product Subscription Service. If you would like to remove a product subscription or update the personal information in your a ...Continue Reading

:Product: Solar Region Summary :Issued: 2026 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 2026 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 4439 N06W29 242 0010 Hrx 01 01 Alpha 4441 N09W71 284 0280 Ehi ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3693 Issue Time: 2026 May 23 0631 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3692 Begin Time: 2026-05-16 17:40 Yesterday Maximum 2MeV Flux: 3762 pfu Continued 2026-05-23 06:31 by Forecaster User Continued 2026-05-23 06:31 by Forecaster User Thank you for using the Product Subscription Service. If you would like to remove a product subscription or update the personal information in your a ...Continue Reading

:Product: Solar Region Summary :Issued: 2026 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 2026 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 4439 N06W17 242 0010 Cro 02 02 Beta 4441 N08W58 283 0130 Eai 1 ...Continue Reading

Fires, Volcanoes, and Tornadoes   May 22, 2026 Natural Events   This Week's Natural Event Images View the natural events archive Tornado Draws a Jagged Line in Mississippi The strongest of several twisters to touch down in the southern part of the state in early May 2026 left a visible path of damaged vegetation. New Eruption in the Bismarck Sea Satellite imagery shows a surge of new volcanic activity in the ocean near Papua New Guine ...Continue Reading

Tornado Draws a Jagged Line in Mississippi   May 22, 2026 Natural Events   Latest Natural Event Images View the natural events archive Tornado Draws a Jagged Line in Mississippi The strongest of several twisters to touch down in the southern part of the state in early May 2026 left a visible path of damaged vegetation.     NASA Earth Observatory Where every day is Earth day Visit science.nasa.gov/earth/earth-observatory Follow NASAE ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3691 Issue Time: 2026 May 21 0509 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3690 Begin Time: 2026-05-16 17:40 Yesterday Maximum 2MeV Flux: 1717 pfu Continued 2026-05-21 05:07 by Forecaster User Continued 2026-05-21 05:07 by Forecaster User Thank you for using the Product Subscription Service. If you would like to remove a product subscription or update the personal information in your a ...Continue Reading

:Product: Solar Region Summary :Issued: 2026 May 18 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 138 Issued at 0030Z on 18 May 2026 Report compiled from data received at SWO on 17 May I. Regions with Sunspots. Locations Valid at 17/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4436 N19W39 332 0100 Dso 03 04 Beta 4438 N20W84 017 0060 Dao 0 ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3689 Issue Time: 2026 May 19 0514 UTC ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Threshold Reached: 2026 May 16 1740 UTC Station: GOES-19 Comment: Yesterday's max: 6667 pfu Yesterday's max: 6667 pfu 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 Subscription Site. Please do not use the from address for co ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3692 Issue Time: 2026 May 22 0507 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3691 Begin Time: 2026-05-16 17:40 Yesterday Maximum 2MeV Flux: 2842 pfu Continued 2026-05-22 05:06 by Forecaster User Continued 2026-05-22 05:06 by Forecaster User Thank you for using the Product Subscription Service. If you would like to remove a product subscription or update the personal information in your a ...Continue Reading