[Ips-dhfpr] ASWFC Daily HF Prop Report - 04 June 26 issued 2332 UT on 04 Jun 2026 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/04 JUNE 2026
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (04 JUNE) 
Date   T index  Conditions    
04 Jun    82    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.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian Region:
      Enhanced by 15% during local day.
      Near predicted monthly values 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
May      67
Jun      68
Jul      65


2. FORECAST (05 JUNE - 07 JUNE)
Date   T index  Conditions       MUFs                              
05 Jun    60    Fair             Near predicted monthly values
06 Jun    65    Fair             Near predicted monthly values    
07 Jun    75    Normal           Near predicted monthly values   

COMMENT: ASWFC SWF HF Communications Warning 52 was issued on 
4 June and is current for 4-6 Jun. Maximum Usable Frequencies 
(MUFs) in the Australian region were mostly near predicted monthly 
values to 15% enhanced on UT day 04-Jun. Spread-F was observed 
at Hobart, Learmonth, Norfolk Island and Perth during local night 
hours. MUFs are expected to be near predicted monthly values 
over 05-07 Jun. Shortwave fadeouts are probable.

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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