[Ips-dhfpr] ASWFC Daily HF Prop Report - 16 August 23 issued 2330 UT on 16 Aug 2023 [SEC=OFFICIAL]

[Regional Warning Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/16 AUGUST 2023
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (16 AUGUST) 
Date   T index  Conditions    
16 Aug   119    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Near predicted monthly values.
   Niue Island Region:
      Enhanced by 45% during local day.
      Enhanced by 60% during local night.
      Enhanced by 20% after local dawn.
   Northern Australian Region:
      Mostly near predicted monthly values.
   Southern Australian Region:
      Enhanced by 15% during local day.
      Enhanced by 20% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Enhanced by 15% over the UT day.

PCA Event : No event.

Monthly T index:
Month  T index
Jul      103
Aug      88
Sep      84


2. FORECAST (17 AUGUST - 19 AUGUST)
Date   T index  Conditions       MUFs                              
17 Aug   115    Normal           Near to 20% above predicted 
                                 monthly values
18 Aug   115    Normal           Near to 15% above predicted 
                                 monthly values    
19 Aug   115    Normal           Near to 15% above predicted 
                                 monthly values   

COMMENT: Maximum usable frequencies (MUFs) on UT day 16-Aug were 
near predicted values to 20% enhanced in the Australian region. 
Strong spread-F and degraded conditions were observed in Townsville, 
Learmonth and Hobart during local night hours. MUFs are expected 
to be near predicted values to 20% enhanced over 17-19 Aug.

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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