[Ips-dhfpr] ASWFC Daily HF Prop Report - 05 June 23 issued 2331 UT on 05 Jun 2023 [SEC=OFFICIAL]

[Regional Warning Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/05 JUNE 2023
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (05 JUNE) 
Date   T index  Conditions    
05 Jun    92    Normal         

Flares: none.

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

PCA Event : No event.

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


2. FORECAST (06 JUNE - 08 JUNE)
Date   T index  Conditions       MUFs                              
06 Jun    95    Normal           Near predicted monthly values
07 Jun    95    Normal           Near predicted monthly values    
08 Jun    95    Normal           Near predicted monthly values   

COMMENT: ASWFC SWF HF Communications Warning 54 was issued on 
5 June and is current for 5-6 Jun. Maximum usable frequencies 
(MUFs) on UT day 05-Jun were mostly near predicted values in 
the Australian region during the local day. Depressions of 15-20% 
with spread F were observed during local night. Weak ionospheric 
phase scintillation was very briefly observed at Weipa at approximately 
05/1300UT. MUFs are expected to be near predicted values over 
06-08 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