[Ips-wsgr] IPS Weekly Solar and Geophysical Report (24 June 05)

[rwc]

SUBJ: IPS WEEKLY SOLAR AND GEOPHYSICAL REPORT 
ISSUED ON 24 JUNE 2005, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (17 JUNE - 23 JUNE)
Date     17    18    19    20    21    22    23
10cm     91    90    87    86    83    80    78
AFr       9     5     3     2     1     6 ( 30)
Aaus     10     5     2     2     0     4 ( 21)
T        34    35    36    29    28    22    37

Solar:        Solar flare activity
Geomagnetic:  Geomagnetic activity observed for Australian Region.
Frequencies:  Australian Ionospheric F2 critical frequencies

17 Jun 
Solar:        very low
Geomagnetic:  Quiet to Unsettled 
Frequencies:  
   Equatorial PNG Region:
     Near predicted monthly values during local day,
     Depressed by 25% during local night.
  Northern Australian Region:
     Near predicted monthly values.
  Southern Australian and New Zealand Region:
     Near predicted monthly values.
  Antarctic Region (Casey/Scott Base):
     Enhanced by 15% over the UT day.

18 Jun 
Solar:        very low
Geomagnetic:  Quiet 
Frequencies:  
   Equatorial PNG 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):
     Enhanced by 20% over the UT day.

19 Jun 
Solar:        very low
Geomagnetic:  Quiet 
Frequencies:  
   Equatorial PNG 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):
     Enhanced by 20% over the UT day.

20 Jun 
Solar:        very low
Geomagnetic:  Quiet 
Frequencies:  
   Equatorial PNG Region:
     Near predicted monthly values during local day,
     Depressed by 20% during local night.
  Northern Australian Region:
     Near predicted monthly values.
  Southern Australian and New Zealand Region:
     Mostly near predicted monthly values,
  Antarctic Region (Casey/Scott Base):
     Near predicted monthly values over the UT day.

21 Jun 
Solar:        very low
Geomagnetic:  Quiet 
Frequencies:  
   Equatorial PNG Region:
     Near predicted monthly values during local day,
     Enhanced by 15% during local night.
  Northern Australian Region:
     Depressed by 15% during local day,
     Depressed by 20% during local night.
  Southern Australian and New Zealand Region:
     Near predicted monthly values.
  Antarctic Region (Casey/Scott Base):
     Enhanced by 40% over the UT day.

22 Jun 
Solar:        very low
Geomagnetic:  Quiet 
Frequencies:  
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      Depressed by 35% during local night.
   Northern Australian Region:
      Depressed by 15% during local day,
      Depressed by 15% during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values over the UT day
      with periods of degradations.

23 Jun 
Solar:        very low
Geomagnetic:  Quiet to major storm. 
Frequencies:  
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      Enhanced by 25% during local night.
   Northern Australian Region:
      Mostly near predicted monthly values,
      Enhanced by 25% after local dawn.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
      Enhanced by 15% during local night.
      Depressed by 25% after local dawn.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values over the UT day
      with periods of significant degradations.

 
2. FORECAST (24 JUNE - 30 JUNE)
Solar: Very low to low.

Geomagnetic:  Unsettled to minor storm with some possibility of
	isolated major storm periods from 24 to 26 June. Mostly 
	quiet to unsettled on other days.

Frequencies:  Briefly depressed after local dawn 24 to 26 June
	MUFs near predicted monthly values on other days.

PLEASE NOTE: 
At this time of the solar cycle, space weather conditions
are frequently determined by short timescale events, not
able to be forecasted a week in advance.

For an explanation of some of the terms in this report, goto
http://www.ips.gov.au, and follow links to Educational->
Gloassary 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 

IMPORTANT: This e-mail, including any attachments, may contain,confidential
or copyright information.  The views expressed in this message are those of
the individual sender, unless specifically stated to be the views of IPS.
If you are not the intended recipient, please contact the sender immediately
and delete all copies of this e-mail and attachments. Occasionally IPS sends 
email promoting IPS products and services to its mailing list customers. 
If you do not wish to receive this promotional material please email 
no-spam at ips.gov.au with the subject header:UNSUBSCRIBE"