[Ips-whfpr] SWS Weekly Prop. Report (25 November 20) issued 0107 UT on 25 Nov 2020

[rwc]

SUBJ: SWS WEEKLY HF PROPAGATION REPORT
ISSUED ON 25 NOVEMBER 2020 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (18 NOVEMBER - 24 NOVEMBER)
Date   T index   Conditions        
18 Nov   -8      Normal            
MUFS:
   Cocos Island Region:
      Near predicted monthly values during local day.
      Depressed by 20% during local night.
   Niue Island Region:
      No data available.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Enhanced by 15% over the UT day.

19 Nov    9      Normal            
MUFS:
   Cocos Island Region:
      Near predicted monthly values during local day.
      Enhanced by 20% during local night.
      Enhanced by 20% after local dawn.
   Niue Island Region:
      No data available .
   Northern Australian Region:
      Mostly near predicted monthly values.
   Southern Australian Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Enhanced by 25% over the UT day.

20 Nov   -5      Normal            
MUFS:
   Cocos Island Region:
      Near predicted monthly values.
   Niue Island Region:
      No data available.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

21 Nov   -8      Normal-fair       
MUFS:
   Cocos Island Region:
      Enhanced by 15% during local day.
      Enhanced by 20% during local night.
   Niue Island Region:
      No data available.
   Northern Australian Region:
      Near predicted monthly values. Depressions to
      25%  00-05 UT at Darwin.
   Southern Australian Region:
      Depressed by 15% during local day.
      Near predicted monthly values during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

22 Nov   -8      Normal-fair       
MUFS:
   Cocos Island Region:
      Enhanced by 15% during local day.
      Enhanced by 35% during local night.
   Niue Island Region:
      No data available.
   Northern Australian Region:
      Depressed by 15% during local day.
      Near predicted monthly values during local night.
   Southern Australian Region:
      Depressed by 15% during local day.
      Near predicted monthly values during local night.
      Depressed by 20% after local dawn.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Depressed by 20% over the UT day.

23 Nov  -32      Poor-normal       
MUFS:
   Cocos Island Region:
      Near predicted monthly values 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 25% during local day.
      Depressed by 15% during local night.
   Southern Australian Region:
      Depressed by 25% during local day.
      Depressed by 15% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

24 Nov  -14      Normal-fair       
MUFS:
   Cocos Island Region:
      Near predicted monthly values.
   Niue Island Region:
      No data available.
   Northern Australian Region:
      Depressed by 15% during local day.
      Near predicted monthly values during local night.
   Southern Australian Region:
      Depressed by 20% during local day.
      Near predicted monthly values during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

Predicted Monthly T index for November:   3

2. FORECAST (25 NOVEMBER - 01 DECEMBER) 
MUFS: MUFs near predicted monthly values fo mildly depressed.

Propagation conditions: Normal to fair. Possible SWFs.

T index: 3
SWS HF Communications Warning 9 was issued on 23 November and 
is current for 23-25 Nov.

3. OUTLOOK (02 DECEMBER - 01 JANUARY)
Degraded HF propagation conditions possible:
17-19 Dec

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
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
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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