[Ips-dhfpr] ASWFC Daily HF Prop Report - 04 June 23 issued 2331 UT on 04 Jun 2023 [SEC=OFFICIAL]

[Regional Warning Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/04 JUNE 2023
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (04 JUNE) 
Date   T index  Conditions    
04 Jun    91    Normal-fair    

Flares: none.

MUFs:
   Cocos Island Region:
      Enhanced by 40% during local day.
      Near predicted monthly values during local night.
   Niue Island Region:
      Mostly near predicted monthly values.
      Enhanced by 20% after local dawn.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Enhanced by 15% over the UT day.

PCA Event : No event.

Monthly T index:
Month  T index
May      98
Jun      88
Jul      87


2. FORECAST (05 JUNE - 07 JUNE)
Date   T index  Conditions       MUFs                              
05 Jun    95    Normal           Near predicted monthly values
06 Jun    95    Normal           Near predicted monthly values    
07 Jun    95    Normal           Near predicted monthly values   

COMMENT: Maximum usable frequencies (MUFs) on UT day 04-Jun were 
mostly near predicted values in the Australian region. Sporadic-E 
was observed at most sites during local night hours and range-spread 
was observed at most mid to high latitude sites. MUFs are expected 
to be near predicted values over 05-07 Jun, with some mild depressions 
possible during local night hours.

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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