[Ips-dhfpr] SWS Daily HF Prop Report - 07 August 21 issued 2330 UT on 07 Aug 2021

[Regional Warning Centre]

SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/07 AUGUST 2021 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (07 AUGUST) 
Date   T index  Conditions    
07 Aug    21    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Depressed by 15% during local day.
      Depressed by 25% during local night.
   Niue Island Region:
      No data available.
   Northern Australian Region:
      Near predicted monthly values at Townsville. Depressions
      to 20% at Darwin during day and around dawn.
   Southern Australian Region:
      Depressed by 15% during local day. Near predicted monthly
      values during local night. Depressions to 30% at Hobart
      00-12 UT. 
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Depressed by 15% over the UT day.

PCA Event : No event.

Monthly T index:
Month  T index
Jul      17
Aug      25
Sep      28


2. FORECAST (08 AUGUST - 10 AUGUST)
Date   T index  Conditions       MUFs                              
08 Aug    15    Normal           Near predicted monthly values
09 Aug    15    Normal           Near predicted monthly values    
10 Aug    10    Normal           Near predicted monthly values   

COMMENT: MUFs in the Australian region on UT day 07 August were 
mostly near predicted monthly values with some depressions at 
low and high latitudes. Some night spread F and sporadic E observed 
at Darwin 12-21 UT. MUFs in the Australian region are expected 
to be near predicted monthly values 08-10 August with depressions 
possible during local day and early evening.

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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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Haymarket NSW 1240  AUSTRALIA       FTP: ftp://ftp-out.sws.bom.gov.au
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