[Ips-dhfpr] ASWFC Daily HF Prop Report - 29 May 26 issued 2330 UT on 29 May 2026 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/29 MAY 2026
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (29 MAY) 
Date   T index  Conditions    
29 May    97    Normal         

Flares    Max     Fadeout    Freq.  Sectors
  M1.1    0705UT  possible   lower  Mid East/Indian

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

PCA Event : No event.

Monthly T index:
Month  T index
Apr      74
May      71
Jun      68


2. FORECAST (30 MAY - 01 JUNE)
Date   T index  Conditions       MUFs                              
30 May    90    Normal           Near to 15% above predicted 
                                 monthly values
31 May    90    Normal           Near to 15% above predicted 
                                 monthly values    
01 Jun    90    Normal           Near to 15% above predicted 
                                 monthly values   

COMMENT: Maximum Usable Frequencies (MUFs) on 29-May in the Australian 
region were enhanced by 20% in the northern Australian region 
during local day and near predicted monthly values during local 
night. MUFs in the southern Australian region were enhanced by 
15% throughout the day. Spread-F was observed at Hobart during 
local night hours. Ionospheric scintillation was observed at 
Weipa over the interval 29/1658-1713UT. MUFs are expected to 
be near predicted monthly values to 15% enhanced over 30-May 
to 01-Jun.

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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