[Ips-whfpr] SWS Weekly Prop. Report (13 September 17) issued 0334 UT on 13 Sep 2017 [SEC=UNCLASSIFIED]

[rwc]

SUBJ: SWS WEEKLY HF PROPAGATION REPORT
ISSUED ON 13 SEPTEMBER 2017 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (06 SEPTEMBER - 12 SEPTEMBER)
Date   T index   Conditions        
06 Sep   31      Normal            
MUFS:
   Cocos Island Region:
      Enhanced by 25% during local day.
      No data available during local night.
   Niue Island Region:
      Near predicted monthly values during local day.
      Enhanced by 25% during local night.
      Enhanced by 20% after local dawn.
   Northern Australian Region:
      Mostly near predicted monthly values.
      Enhanced by 30% after local dawn.
   Southern Australian Region:
      Enhanced by 15% during local day.
      Enhanced by 30% during local night.
      Enhanced by 35% after local dawn.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
       Mostly near predicted monthly values.
      Proton event in progress, increased absorption observed.

07 Sep   44      Normal-fair       
MUFS:
   Cocos Island Region:
      Enhanced by 35% during local day.
      Enhanced by 15% during local night.
      Enhanced by 25% after local dawn.
   Niue Island Region:
      Near predicted monthly values during local day.
      Enhanced by 30% during local night.
      Enhanced by 40% after local dawn.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 25% during local night.
      Enhanced by 25% after local dawn.
   Southern Australian Region:
      Enhanced by 20% during local day.
      Enhanced by 55% during local night.
      Enhanced by 40% after local dawn.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      No data available over the UT day.
      Proton event in progress, increased absorption observed.

08 Sep   47      Fair-normal       
MUFS:
   Cocos Island Region:
      Near predicted monthly values during local day.
      Enhanced by 15% during local night.
   Niue Island Region:
      Enhanced by 35% during local day.
      Near predicted monthly values during local night.
      Enhanced by 35% after local dawn.
   Northern Australian Region:
      Enhanced by 35% during local day.
      Enhanced by 45% during local night.
      Enhanced by 25% after local dawn.
   Southern Australian Region:
      Enhanced by 35% during local day.
      Enhanced by 30% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      No data available over the UT day.

09 Sep   16      Poor-fair         
MUFS:
   Cocos Island Region:
      Mostly near predicted monthly values.
      Enhanced by 45% after local dawn.
   Niue Island Region:
      Enhanced by 35% during local day.
      Enhanced by 20% during local night.
      Enhanced by 45% after local dawn.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian Region:
      Near predicted monthly values during local day.
      Depressed by 20% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.
      Proton event in progress, increased absorption observed.

10 Sep   14      Normal-fair       
MUFS:
   Cocos Island Region:
      No data available.
   Niue Island Region:
      Enhanced by 65% during local day.
      Near predicted monthly values during local night.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian Region:
      Mostly near predicted monthly values.
      Enhanced by 20% after local dawn.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Proton event in progress, increased absorption observed.

11 Sep   33      Normal            
MUFS:
   Cocos Island Region:
      No data available 
   Niue Island Region:
      Enhanced by 40% during local day.
      Enhanced by 40% during local night.
   Northern Australian Region:
      Enhanced by 20% during local day.
      Enhanced by 15% during local night.
      Enhanced by 20% after local dawn.
   Southern Australian Region:
      Enhanced by 15% during local day.
      Enhanced by 15% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      No data available over the UT day.
      Proton event in progress, increased absorption observed.

12 Sep   17      Normal            
MUFS:
   Cocos Island Region:
      No data available 
   Niue Island Region:
      Near predicted monthly values.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian Region:
      Enhanced by 15% during local day.
      Near predicted monthly values during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      No data available over the UT day.
      Proton event in progress, increased absorption observed.

Predicted Monthly T index for September:   5

2. FORECAST (13 SEPTEMBER - 19 SEPTEMBER) 
MUFS:  Near predicted monthly values on al days.

Propagation conditions: Fair-Poor on 13-15 Sep. Otherwise normal. No SWFs.

T index: 5

3. OUTLOOK (20 SEPTEMBER - 20 OCTOBER)
Degraded HF propagation conditions possible:
27-29 Sep,  10-13 Oct,  15-16 Oct

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
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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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