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FORECAST SOL: Moderate yellow MAG: Normal green ION: Normal green
HomeHF SystemsGlobal HFHF ConditionsHF Fadeout Warning Sunday, Aug 23 2026 22:55 UT
Global HF

HF Fadeout Warning

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(last updated 23 Aug 2026 22:50 UT)

SUBJ: ASWFC HF RADIO COMMUNICATIONS WARNING 26/76 ISSUED AT 2214UT/22 AUGUST 2026 BY THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE. Active region 4513 remains magnetically complex, but has been flare-quiet for a few days. The possibility of M-class flares is still present. DEGRADED HF PROPAGATION CONDITIONS EXPECTED FROM 23-25 AUGUST 2026 IF COMMS DIFFICULTIES EXPERIENCED TRY A HIGHER FREQUENCY BAND _____________________________________________________________ SOLAR ACTIVITY FORECAST HF COMMS FADEOUTS 23 Aug: R0-R1 Possible 24 Aug: R0-R1 Possible 25 Aug: R0-R1 Possible

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