[Ips-dhfpr] SWS Daily HF Prop Report - 04 August 21 issued 2334 UT on 04 Aug 2021

[rwc]

SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/04 AUGUST 2021 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (04 AUGUST) 
Date   T index  Conditions    
04 Aug    20    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Depressed by 15% during local day.
      Depressed by 25% during local night.
   Niue Island Region:
      No data.
   Northern Australian Region:
      Depressed by 15% during local day.
      Enhanced by 15% during local night.
   Southern Australian Region:
      Depressed by 15% during local day.
      Enhanced by 30% 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      17
Aug      25
Sep      28


2. FORECAST (05 AUGUST - 07 AUGUST)
Date   T index  Conditions       MUFs                              
05 Aug    20    Normal           Near predicted monthly values
06 Aug    20    Normal           Near predicted monthly values    
07 Aug    10    Normal           Near predicted monthly values   

COMMENT: MUFs in the Australian region on UT day 04 August were 
mostly near predicted monthly values. MUFs in the Australian 
region are expected to be mostly near predicted monthly values 
on UT days 05 to 07 August. Some mild depressions are possible 
on UT day 07 August due to the forecasted disturbed period.

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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.

Space Weather Services              email: asfc at bom.gov.au
Bureau of Meteorology
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