[Ips-wsgr] IPS Weekly Solar and Geophysical Report (20 January 12) issued 0313 UT on 20 Jan 2012

[rwc]

SUBJ: IPS WEEKLY SOLAR AND GEOPHYSICAL REPORT 
ISSUED ON 20 JANUARY 2012, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (13 JANUARY - 19 JANUARY)
Date     13    14    15    16    17    18    19
10cm    124   132   134   140   139   148   157
AFr       8     3     4     8     4     4 (  3)
Aaus      7     3     6     9     6     3 (  4)
T       108    84    95   105    73    99    84

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

13 Jan 
Solar:        low
Geomagnetic:  Quiet to Unsettled 
Frequencies:  
   Niue Island Region:
      Variable minor enhancements/depressions.
      Enhanced to 40% local day today. 
   Northern Australian Region:
      Enhanced by 20% during local day.
      Enhanced by 45% during local night.
   Southern Australian and New Zealand Region:
      Enhanced 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.
      Isolated periods of moderate disturbance. 

14 Jan 
Solar:        moderate, with an   M1.4 at 1318UT 
Geomagnetic:  Quiet. 
Frequencies:  
   Niue Island Region:
      Enhanced to 45% 00-02UT.
      Enhanced by 15% during local day.
      Near predicted monthly values during local night.
   Northern Australian Region:
      Darwin variable enhancements to 60% 03-05, 12-15UT.
      Townsville enhanced 20% 04-05, depressed 20% 08-10UT.
      Learmonth enhanced 30% 01-07, depressed 20% 18-21UT.
      Brisbane depressed 20% 00-03, 06-10UT
      Otherwise near predicted monthly values.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

15 Jan 
Solar:        low
Geomagnetic:  Quiet. 
Frequencies:  
   Niue Island Region:
      Variable enhancements/depressions local day.
      Otherwise near predicted monthly values.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 15% during local night.
      Briefly enhanced 40-50% local night at Darwin, 
      25% at Townsville and Brisbane. 
   Southern Australian and New Zealand Region:
      Enhanced to 30% 04-07, 17-18UT at Perth.
      Otherwise near predicted monthly values.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

16 Jan 
Solar:        low
Geomagnetic:  Quiet to Unsettled 
Frequencies:  
   Niue Island Region:
      Near predicted monthly values.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 20% during local night.
   Southern Australian and New Zealand Region:
      Enhanced 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.

17 Jan 
Solar:        moderate, with an   M1.0 at 0457UT 
Geomagnetic:  Quiet to Unsettled 
Frequencies:  
      Niue Island Region:
      Near predicted monthly values.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

18 Jan 
Solar:        moderate, with an   M1.7 at 1912UT 
Geomagnetic:  Quiet. 
Frequencies:  
   
   Niue Island Region:
      Near predicted monthly values.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

19 Jan 
Solar:        moderate, with an   M3.2 at 1612UT 
Geomagnetic:  Quiet. 
Frequencies:  
   
   Niue Island Region:
      Near predicted monthly values.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

 
2. FORECAST (20 JANUARY - 26 JANUARY)
Solar: 
Low

Geomagnetic:  
Mostly Quiet to unsettled conditions, Active periods
possible on 21 and 22 January.

Frequencies:  
MUFs mostly near predicted monthly values, minor to mild
MUF depressions possible on 21 and 22 January.

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.

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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