[Ips-wsgr] IPS Weekly Solar and Geophysical Report (19 February 10)

[rwc]

SUBJ: IPS WEEKLY SOLAR AND GEOPHYSICAL REPORT 
ISSUED ON 19 FEBRUARY 2010, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (12 FEBRUARY - 18 FEBRUARY)
Date     12    13    14    15    16    17    18
10cm     96    94    89    88    87    87    85
AFr       4     2     3     8    11     2 (  7)
Aaus      5     4     5    11     8     4 (  6)
T        35    24    43    27    20    29    44

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

12 Feb 
Solar:        high, with an   M8.3 at 1126UT , and an   M1.1 at 1809UT
Geomagnetic:  Quiet 
Frequencies:  
   Cocos Island Region:
      Enhanced by 25% during local day,
      Enhanced by 50% during local night.
   Niue Island Region:
      Enhanced by 20% during local day,
      Enhanced by 40% during local night.
   Northern Australian Region:
      Enhanced by 15% during local day,
      Enhanced by 20% during local night.
   Southern Australian and New Zealand Region:
      Mostly near predicted monthly values,
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Depressed by 15% over the UT day.

13 Feb 
Solar:        low
Geomagnetic:  Quiet 
Frequencies:  
   Cocos Island Region:
      No data available during local day,
      No data available during local night.
   Niue Island Region:
      Near predicted monthly values during local day,
      Enhanced by 35% during local night.
   Northern Australian Region:
      Mostly near predicted monthly values,
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
      Enhanced by 20% during local night.
      Enhanced by 20% after local dawn.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

14 Feb 
Solar:        low
Geomagnetic:  Quiet to Unsettled 
Frequencies:  
   Cocos Island Region:
      No data available during local day,
      No data available during local night.
   Niue Island Region:
      Enhanced by 30% during local day,
      Enhanced by 15% during local night.
      Enhanced by 40% after local dawn.
   Northern Australian Region:
      Enhanced by 15% during local day,
      Enhanced by 35% during local night.
      Enhanced by 20% after local dawn.
   Southern Australian and New Zealand Region:
      Enhanced by 20% during local day,
      Enhanced by 35% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

15 Feb 
Solar:        low
Geomagnetic:  Quiet to Active 
Frequencies:  
   Cocos Island Region:
      Near predicted monthly values.
   Niue Island Region:
      Enhanced by 30% during local day,
      Near predicted monthly values during local night.
   Northern Australian Region:
      Near predicted monthly values during local day,
      Enhanced by 25% during local night.
      Enhanced by 40% after local dawn.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
      Enhanced by 15% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

16 Feb 
Solar:        very low
Geomagnetic:  Mostly quiet to unsettled on most locations, isolated 
Frequencies:  
   Cocos Island Region:
      Mostly near predicted monthly values,
   Niue Island Region:
      Mostly near predicted monthly values,
      Enhanced by 25% after local dawn.
   Northern Australian Region:
      Near predicted monthly values during local day,
      Enhanced by 20% during local night.
      Enhanced by 25% after local dawn.
   Southern Australian and New Zealand Region:
      Depressed by 15% during local day,
      Near predicted monthly values during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Mostly normal with some periods of depression.  

17 Feb 
Solar:        very low
Geomagnetic:  Quiet to unsettled 
Frequencies:  
   Cocos Island Region:
      Near predicted monthly values during local day,
      Enhanced by 15% during local night.
   Niue Island Region:
      Enhanced by 50% during local day,
      Enhanced by 15% during local night.
   Northern Australian Region:
      Mostly near predicted monthly values,
      Enhanced by 35% after local dawn.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
      Enhanced by 20% during local night.
      Enhanced by 20% after local dawn.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

18 Feb 
Solar:        very low
Geomagnetic:  Quiet to unsettled 
Frequencies:  
   Cocos Island Region:
      Near predicted monthly values during local day,
      Enhanced by 15% during local night.
      Enhanced by 20% after local dawn.
   Niue Island Region:
      Near predicted monthly values during local day,
      Enhanced by 15% during local night.
   Northern Australian Region:
      Enhanced by 15% during local day,
      Enhanced by 20% during local night.
      Enhanced by 50% after local dawn.
   Southern Australian and New Zealand Region:
      Enhanced by 20% during local day,
      Enhanced by 25% during local night.
      Enhanced by 30% after local dawn.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

 
2. FORECAST (19 FEBRUARY - 25 FEBRUARY)
Solar: Very low.

Geomagnetic:  
Mostly quiet conditions through the period. Some unsettled 
periods with small possibility of isolated active conditions 
may be observed on 19 February.

Frequencies:  
MUFs near predicted monthly values to enhanced upto around 30%.

For an explanation of some of the terms in this report, go to
http://www.ips.gov.au/1/2/1.

IPS Radio and Space Services        email: asfc at ips.gov.au
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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