[Ips-whfpr] SWS Weekly Prop. Report (04 August 21) issued 0246 UT on 04 Aug 2021

[rwc]

SUBJ: SWS WEEKLY HF PROPAGATION REPORT
ISSUED ON 04 AUGUST 2021 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (28 JULY - 03 AUGUST)
Date   T index   Conditions        
28 Jul   24      Normal            
MUFS:
   Cocos Island Region:
      Depressed by 20% during local day.
      Depressed by 15% during local night.
      Depressed by 20% after local dawn.
   Niue Island Region:
      No data available during local day.
      No data available during local night.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 20% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Enhanced by 20% over the UT day.

29 Jul   21      Normal            
MUFS:
   Cocos Island Region:
      Mostly near predicted monthly values.
      Depressed by 25% after local dawn.
   Niue Island Region:
      No data available during local day.
      No data available during local night.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian Region:
      Depressed by 15% during local day.
      Near predicted monthly values during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Enhanced by 15% over the UT day.

30 Jul   18      Normal            
MUFS:
   Cocos Island Region:
      Depressed by 15% during local day.
      Depressed by 15% during local night.
   Niue Island Region:
      No data available.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 30% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Enhanced by 15% over the UT day.

31 Jul   13      Normal            
MUFS:
   Cocos Island Region:
      Depressed by 15% during local day.
      Depressed by 15% during local night.
   Niue Island Region:
      No data available.
   Northern Australian Region:
      Mostly near predicted monthly values.
      Depressed by 20% after local dawn.
   Southern Australian Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Enhanced by 30% over the UT day.

01 Aug   11      Normal            
MUFS:
   Cocos Island Region:
      Depressed by 15% during local day.
      Depressed by 25% during local night.
   Niue Island Region:
      No data available during local day.
      No data available during local night.
   Northern Australian Region:
      Depressed by 20% during local day.
      Near predicted monthly values during local night.
      Depressed by 20% after local dawn.
   Southern Australian Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

02 Aug   16      Normal            
MUFS:
   Cocos Island Region:
      Near predicted monthly values during local day.
      Depressed by 20% during local night.
   Niue Island Region:
      No data.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Enhanced by 20% over the UT day.

03 Aug   24      Normal            
MUFS:
   Cocos Island Region:
      Near predicted monthly values.
   Niue Island Region:
      No data.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 30% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Enhanced by 25% over the UT day.

Predicted Monthly T index for August:  25

2. FORECAST (04 AUGUST - 10 AUGUST) 
MUFS: Mild depression possible on UT day 7 August, otherwise near predicted
monthly values.

Propagation conditions: Normal. No SWFs.

T index: 25

3. OUTLOOK (11 AUGUST - 10 SEPTEMBER)
Degraded HF propagation conditions possible:
No significant degraded periods expected.

PLEASE NOTE:
Space weather conditions can frequently be determined by short 
timescale events that cannot be forecast a week in advance,
particularly at solar maximum.

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
PO Box 1386                         WWW: http://www.sws.bom.gov.au
Haymarket NSW 1240  AUSTRALIA       FTP: ftp://ftp-out.sws.bom.gov.au
tel: +61 2 9213 8010                fax: +61 2 9213 8060 

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