[Ips-wsgr] IPS Weekly Solar and Geophysical Report (18 September 15) issued 0359 UT on 18 Sep 2015

[rwc]

SUBJ: IPS WEEKLY SOLAR AND GEOPHYSICAL REPORT 
ISSUED ON 18 SEPTEMBER 2015, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (11 SEPTEMBER - 17 SEPTEMBER)
Date     11    12    13    14    15    16    17
10cm     93    99    99    97   101   109   107
AFr      36    13     8    10    17     9  ( 12)
Aaus     35     9     8    11    12     6  (  7)
T         4     8    15    21    28    22    39

Solar:        Solar flare activity
Geomagnetic:  Geomagnetic activity observed for Australian region.
Frequencies:  Australian ionospheric F2 critical frequencies

11 Sep 
Solar:        Low
Geomagnetic:  Quiet to Major Storm, Isolated severe storm periods 
              recorded at high latitudes
Frequencies:  
   Cocos Island Region:
      Depressed by 25% during local day.
      Depressed by 40% during local night.
      Depressed by 25% after local dawn.
   Niue Island Region:
      Depressed by 25% during local day.
      Depressed by 35% during local night.
      Depressed by 25% after local dawn.
   Northern Australian Region:
      Depressed by 40% during local day.
      Depressed by 40% during local night.
      Depressed by 20% after local dawn.
   Southern Australian Region:
      Depressed by 40% during local day.
      Depressed by 45% during local night.
      Depressed by 40% after local dawn.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

12 Sep 
Solar:        Very low
Geomagnetic:  Quiet to Active
Frequencies:  
   Cocos Island Region:
      Near predicted monthly values during local day.
      Depressed by 40% during local night.
      Depressed by 25% after local dawn.
   Niue Island Region:
      Depressed by 30% during local day.
      Depressed by 35% during local night.
      Depressed by 25% after local dawn.
   Northern Australian Region:
      Depressed by 35% during local day.
      Depressed by 25% during local night.
      Depressed by 30% after local dawn.
   Southern Australian Region:
      Depressed by 40% during local day.
      Depressed by 40% during local night.
      Depressed by 35% after local dawn.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Depressed by 20% over the UT day.

13 Sep 
Solar:        Very low
Geomagnetic:  Mostly Quiet to Unsettled
Frequencies:  
   Cocos Island Region:
      Depressed by 35% during local day.
      Depressed by 45% during local night.
      Depressed by 20% after local dawn.
   Niue Island Region:
      Depressed by 15% during local day.
      Depressed by 15% during local night.
   Northern Australian Region:
      Depressed by 30% during local day.
      Depressed by 30% during local night.
   Southern Australian Region:
      Depressed by 35% during local day.
      Depressed by 30% during local night.
      Depressed by 25% after local dawn.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Depressed by 15% over the UT day.

14 Sep 
Solar:        Very low
Geomagnetic:  Quiet to Active
Frequencies:  
   Cocos Island Region:
      Depressed by 30% during local day.
      Depressed by 40% during local night.
      Depressed by 20% after local dawn.
   Niue Island Region:
      Depressed by 25% during local day.
      Depressed by 35% during local night.
   Northern Australian Region:
      Depressed by 30% during local day.
      Depressed by 15% during local night.
   Southern Australian Region:
      Depressed by 30% during local day.
      Depressed by 30% during local night.
      Depressed by 25% after local dawn.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Depressed by 20% over the UT day.

15 Sep 
Solar:        Low
Geomagnetic:  Quiet to Active
Frequencies:  
   Cocos Island Region:
      Near predicted monthly values during local day.
      Depressed by 50% during local night.
      Depressed by 30% after local dawn.
   Niue Island Region:
      Depressed by 20% during local day.
      Depressed by 40% during local night.
   Northern Australian Region:
      Depressed by 15% during local day.
      Depressed by 25% during local night.
      Depressed by 30% after local dawn.
   Southern Australian Region:
      Depressed by 25% during local day.
      Depressed by 25% during local night.
      Depressed by 20% after local dawn.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values to degraded greater than 30%.

16 Sep 
Solar:        Low
Geomagnetic:  Quiet
Frequencies:  
   Cocos Island Region:
      Near predicted monthly values during local day.
      Depressed by 50% during local night.
   Niue Island Region:
      Near predicted monthly values during local day.
      Depressed by 35% during local night.
      Depressed by 20% after local dawn.
   Northern Australian Region:
      Depressed by 25% during local day.
      Depressed by 25% during local night.
      Depressed by 25% after local dawn.
   Southern Australian Region:
      Depressed by 25% during local day.
      Depressed by 35% during local night.
      Depressed by 25% after local dawn.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Depressed by 20% over the UT day.

17 Sep 
Solar:        Moderate, with an C9.0 at 0303UT, and an M1.0 at 0941UT
Geomagnetic:  Quiet to Unsettled
Frequencies:  
   Cocos Island Region:
      Enhanced by 15% during local day.
      Near predicted monthly values during local night.
   Niue Island Region:
      Depressed by 15% during local day.
      Depressed by 30% during local night.
      Depressed by 20% after local dawn.
   Northern Australian Region:
      Depressed by 20% during local day.
      Depressed by 20% during local night.
      Depressed by 20% after local dawn.
   Southern Australian Region:
      Depressed by 20% during local day.
      Depressed by 15% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Depressed by 20% over the UT day.

 
2. FORECAST (18 SEPTEMBER - 24 SEPTEMBER)
Solar: Low with moderate activity possible early in forecast period.

Geomagnetic:  Mostly quiet to unsettled with the chance of active periods early
              in the forecast period.

Frequencies: Depressed 20% early in the forecast period then slowly returning
towards near predicted monthly values later in the forecast period.


For an explanation of some of the terms in this report, go to
http://www.ips.gov.au, and follow links to Educational->
Glossary on Solar Terrestrial Terms.

Space Weather Services              email: asfc at ips.gov.au
Bureau of Meteorology
PO Box 1386                         WWW: http://www.ips.gov.au
Haymarket NSW 1240  AUSTRALIA       FTP: ftp://ftp.ips.gov.au 
tel: +61 2 9213 8010                fax: +61 2 9213 8060 

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