[Ips-wsgr] IPS Weekly Solar and Geophysical Report (21 August 15) issued 0147 UT on 21 Aug 2015

rwc rwc at ips.gov.au
Fri Aug 21 11:47:28 EST 2015


SUBJ: IPS WEEKLY SOLAR AND GEOPHYSICAL REPORT 
ISSUED ON 21 AUGUST 2015, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (14 AUGUST - 20 AUGUST)
Date     14    15    16    17    18    19    20
10cm     93    89    86    87    89    98   103
AFr       4    24    27    27    10    18  (  9)
Aaus      0    23    18    16     5    13  (  9)
T        38    50    50    43    34    39    37

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

14 Aug 
Solar:        Low
Geomagnetic:  Quiet
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 15% during local day.
      Depressed by 35% during local night.
   Northern Australian Region:
      Depressed by 20% during local day.
      Depressed by 45% during local night.
      Depressed by 20% after local dawn.
   Southern Australian Region:
      Depressed by 25% during local day.
      Depressed by 25% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Depressed by 15% over the UT day.

15 Aug 
Solar:        Low
Geomagnetic:  Quiet to Minor Storm
In the IPS magnetometer data for 15 Aug, a weak (19nT) impulse 
was observed at 0829UT and a weak (19nT) impulse was observed 
at 1306UT.
Frequencies:  
   Cocos Island Region:
      Near predicted monthly values during local day.
      Depressed by 30% during local night.
   Niue Island Region:
      Depressed by 25% during local day.
      Depressed by 35% during local night.
   Northern Australian Region:
      Depressed by 20% during local day.
      Depressed by 20% during local night.
   Southern Australian Region:
      Depressed by 20% during local day.
      Depressed by 15% during local night.
      Depressed by 25% after local dawn.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Depressed by 15% over the UT day.

16 Aug 
Solar:        Very low
Geomagnetic:  Unsettled to Major Storm levels at times
Frequencies:  
   Cocos Island Region:
      Near predicted monthly values during local day.
      Depressed by 45% during local night.
   Niue Island Region:
      Depressed by 20% during local day.
      Enhanced by 20% during local night.
      Depressed by 25% after local dawn.
   Northern Australian Region:
      Depressed by 20% 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 30% after local dawn.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

17 Aug 
Solar:        Very low
Geomagnetic:  Quiet to Active
Frequencies:  
   Cocos Island Region:
      Near predicted monthly values during local day.
      Depressed by 45% during local night.
   Niue Island Region:
      Mostly near predicted monthly values.
   Northern Australian Region:
      Depressed by 15% during local day.
      Depressed by 30% during local night.
      Depressed by 30% after local dawn.
   Southern Australian Region:
      Depressed by 20% during local day.
      Depressed by 45% during local night.
      Depressed by 35% after local dawn.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Depressed by 20% over the UT day.

18 Aug 
Solar:        Very low
Geomagnetic:  Quiet to Unsettled
Frequencies:  
   Cocos Island Region:
      Near predicted monthly values during local day.
      Depressed by 50% during local night.
   Niue Island Region:
      Depressed by 15% during local day.
      Depressed by 30% during local night.
      Depressed by 25% after local dawn.
   Northern Australian Region:
      Depressed by 20% during local day.
      Depressed by 45% during local night.
      Depressed by 20% after local dawn.
   Southern Australian Region:
      Depressed by 30% during local day.
      Depressed by 35% during local night.
      Depressed by 25% after local dawn.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Depressed by 15% over the UT day.

19 Aug 
Solar:        Very low
Geomagnetic:  Mostly Unsettled and at times Active
Frequencies:  
   Cocos Island Region:
      Enhanced by 20% during local day.
      Depressed by 45% during local night.
      Depressed by 35% after local dawn.
   Niue Island Region:
      Depressed by 35% during local day.
      Depressed by 35% during local night.
      Depressed by 35% after local dawn.
   Northern Australian Region:
      Depressed by 20% during local day.
      Depressed by 35% during local night.
      Depressed by 20% after local dawn.
   Southern Australian Region:
      Depressed by 20% during local day.
      Depressed by 35% during local night.
      Depressed by 25% after local dawn.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Depressed by 25% over the UT day.

20 Aug 
Solar:        Low
Geomagnetic:  Unsettled
Frequencies:  
   Cocos Island Region:
      Near predicted monthly values during local day.
      Depressed by 40% during local night.
   Niue Island Region:
      Depressed by 25% during local day.
      Depressed by 40% during local night.
   Northern Australian Region:
      Depressed by 15% during local day.
      Depressed by 30% during local night.
      Depressed by 20% after local dawn.
   Southern Australian Region:
      Depressed by 25% during local day.
      Depressed by 30% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Depressed by 15% over the UT day.

 
2. FORECAST (21 AUGUST - 27 AUGUST)
Solar: 
Low. Much of the flaring over the next week is likely to be caused be active
Region 2403

Geomagnetic:  
Active on 23 Aug,  27 Aug.   Quiet to unsettled on other days.

Frequencies:  
Briefly depressed through the week due to low levels of solar ionising
radiations.



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
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Haymarket NSW 1240  AUSTRALIA       FTP: ftp://ftp.ips.gov.au 
tel: +61 2 9213 8010                fax: +61 2 9213 8060 

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