Space Weather Message Code: ALTXMF

Serial Number: 409

Issue Time: 2024 Jul 29 1955 UTC



ALERT: X-Ray Flux exceeded M5

Threshold Reached: 2024 Jul 29 1952 UTC

NOAA Scale: R2 - Moderate



NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation



Potential Impacts: Area of impact centered on sub-solar point on the sunlit side of Earth. Extent of blackout of HF (high frequency) radio communication dependent upon current X-ray Flux intensity. For real-time information on affected area and expected duration please see http://www.swpc.noaa.gov/products/d-region-absorption-predictions-d-rap.

---

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 correspondence, as it is not monitored. For comments or help, please contact SWPC Help.