[Ips-dhfpr] ASWFC Daily HF Prop Report - 26 May 25 issued 2330 UT on 26 May 2025 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/26 MAY 2025
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (26 MAY) 
Date   T index  Conditions    
26 May    77    Normal         

Flares    Max     Fadeout    Freq.  Sectors
  M2.9    1306UT  possible   lower  European

MUFs:
   Cocos Island Region:
     Depressed by 15% during local day.
     Depressed by 30% during local night.
  Niue Island Region:
     No data available during local day.
     No data available during local night.
  Northern Australian Region:
     Near predicted monthly values during local day.
     Depressed by 30% during local night.
  Southern Australian and New Zealand Region:
     Near predicted monthly values during local day.
     Depressed by 20% during local night.
     Depressed by 20% after local dawn.
  Antarctic Region (Casey/Davis/Mawson):
     Near predicted monthly values over the UT day.

PCA Event : No event.

Monthly T index:
Month  T index
Apr      123
May      113
Jun      111


2. FORECAST (27 MAY - 29 MAY)
Date   T index  Conditions       MUFs                              
27 May    65    Normal           Mildly depressed (<15%) to near 
                                 predicted monthly values
28 May   110    Normal-Fair      Near predicted monthly values    
29 May    80    Normal           Depressed 15% after local dawn, 
                                 then recovering   

COMMENT: ASWFC SWF HF Communications Warning 52 was issued on 
25 May and is current for 25-27 May. ASWFC HF Communications 
Warning 53 was issued on 25 May and is current for 26-27 May.

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For an explanation of some of the terms in this report, go to
https://www.sws.bom.gov.au, and follow links to Educational->
Glossary on Solar Terrestrial Terms.

Australian Space Weather Forecasting Centre
Bureau of Meteorology
ASWFC at bom.gov.au
www.bom.gov.au | www.sws.bom.gov.au