Author Topic: ALERT: X-Ray Flux exceeded M5  (Read 4690 times)

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ALERT: X-Ray Flux exceeded M5
« on: March 30, 2022, 02:21:04 PM »
Space Weather Message Code: ALTXMF
Serial Number: 277
Issue Time: 2022 Mar 30 1735 UTC

ALERT: X-Ray Flux exceeded M5
Threshold Reached: 2022 Mar 30 1729 UTC
NOAA Scale: R2 - Moderate

NOAA Space Weather Scale descriptions can be found at

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
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