[Ips-dhfpr] ASWFC Daily HF Prop Report - 30 May 26 issued 2330 UT on 30 May 2026 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/30 MAY 2026
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (30 MAY) 
Date   T index  Conditions    
30 May    95    Normal-fair    

Flares: none.

MUFs:
   Cocos Island Region:
      No data available during local day.
      No data available during local night.
   Niue Island Region:
      Near predicted monthly values during local day.
      Depressed by 30% during local night.
      Enhanced by 25% after local dawn.
   Northern Australian Region:
      Enhanced by 25% 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 (31 MAY - 02 JUNE)
Date   T index  Conditions       MUFs                              
31 May    92    Normal           Near to 15% above predicted 
                                 monthly values
01 Jun    88    Normal           Near to 15% above predicted 
                                 monthly values    
02 Jun    92    Normal           Near to 15% above predicted 
                                 monthly values   

COMMENT: Maximum Usable Frequencies (MUFs) on 30-May were enhanced 
by 25% 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 and Canberra during local 
night hours. MUFs are expected to be near predicted monthly values 
to 15% enhanced over 31-May to 02-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