[Ips-dhfpr] SWS Daily HF Prop Report - 17 August 20 issued 2331 UT on 17 Aug 2020

[Regional Warning Centre]

SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/17 AUGUST 2020 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (17 AUGUST) 
Date   T index  Conditions    
17 Aug     2    Fair-normal    

Flares: none.

MUFs:
   Cocos Island Region:
      Mostly near predicted monthly values.
   Niue Island Region:
      No data available.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 30% during local night.
   Southern Australian Region:
      Enhanced by 15% during local day.
      Enhanced by 40% during local night.
      Enhanced by 20% after local dawn.
   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      -1
Aug      -13
Sep      -14


2. FORECAST (18 AUGUST - 20 AUGUST)
Date   T index  Conditions       MUFs                              
18 Aug     0    Normal           Near predicted monthly values
19 Aug     0    Normal           Near predicted monthly values    
20 Aug     0    Normal-fair      Near predicted monthly values   

COMMENT: MUFs in the Australian and Antarctic regions were near 
predicted monthly values to mildly enhanced on UT day 17 August. 
Weak ionosphere at Darwin 19-20 UT. Sporadic E observed at Cocos 
Is. 04-22 UT and Sydney 10-14 UT. Spread F observed during night 
hours at Townsville, Brisbane, Norfolk Is., Perth. MUFs in the 
Australian region are expected to be near predicted monthly values 
to mildly enhanced 18 to 20 August.

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For an explanation of some of the terms in this report, go to
http://www.sws.bom.gov.au, and follow links to Educational->
Glossary on Solar Terrestrial Terms.

Space Weather Services              email: asfc at bom.gov.au
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