[Ips-dhfpr] ASWFC Daily HF Prop Report - 07 June 26 issued 2330 UT on 07 Jun 2026 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/07 JUNE 2026
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (07 JUNE) 
Date   T index  Conditions    
07 Jun    93    Normal         

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 20% during local night.
      Enhanced by 30% after local dawn.
   Northern Australian Region:
      Enhanced by 15% during local day.
      Enhanced by 15% during local night.
   Southern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 20% 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 (08 JUNE - 10 JUNE)
Date   T index  Conditions       MUFs                              
08 Jun    85    Normal-fair      Handed by 15% to near predicted 
                                 monthly values
09 Jun    70    Fair             Near predicted monthly values 
                                 to 10-15% depressed    
10 Jun    90    Normal-fair      Near predicted monthly values 
                                 to 10-15% depressed   

COMMENT: ASWFC Preliminary HF Communications Warning 53 was issued 
on 6 June and is current for 8-10 Jun. Maximum usable frequencies 
(MUFs) in the Australian region were near predicted values to 
20% enhanced. Spread-F was observed in Hobart during local night 
hours and sporadic-E with degraded signal with observed in Learmonth 
during local night hours. MUFs are expected to be enhanced by 
15% for most of 8-Jun, trending to near predicted values towards 
the end of the day. Mild depressed of 10-15% are possible over 
9-10 Jun. Spread-F is possible during local night hours over 
9-10 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