[Ips-dhfpr] ASWFC Daily HF Prop Report - 22 August 22 issued 2331 UT on 22 Aug 2022 [SEC=OFFICIAL]

[Regional Warning Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/22 AUGUST 2022
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (22 AUGUST) 
Date   T index  Conditions    
22 Aug    44    Fair           

Flares: none.

MUFs:
   Cocos Island Region:
      Enhanced by 35% during local day.
      Depressed by 15% during local night.
   Niue Island Region:
      Depressed by 15% during local day.
      Depressed by 45% during local night.
      Depressed by 20% after local dawn.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Depressed by 25% during local night.
   Southern Australian Region:
      Near predicted monthly values during local day.
      Depressed by 20% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Depressed by 20% over the UT day.

PCA Event : No event.

Monthly T index:
Month  T index
Jul      65
Aug      67
Sep      68


2. FORECAST (23 AUGUST - 25 AUGUST)
Date   T index  Conditions       MUFs                              
23 Aug    45    Normal           Depressed 15%/near predicted 
                                 monthly values
24 Aug    45    Normal           Depressed 15%/near predicted 
                                 monthly values    
25 Aug    50    Normal           Near predicted monthly values   

COMMENT: Maximum usable frequencies (MUFs) on UT day 22-Aug were 
mostly near predicted monthly values to 25% depressed. Spread-F 
was observed during local night in the Australian region. Regional 
MUFs are expected to be mostly near predicted monthly values 
to 15% depressed over 23-24 Aug, and mostly near predicted monthly 
values on 25 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