[Ips-wsgr] IPS Weekly Solar and Geophysical Report (01 April 05)

rwc rwc at ips.gov.au
Fri Apr 1 12:05:28 EST 2005


SUBJ: IPS WEEKLY SOLAR AND GEOPHYSICAL REPORT 
ISSUED ON 01 APRIL 2005, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (24 MARCH - 31 MARCH)
Date     24    25    26    27    28    29    30    31
10cm     87    82    78    78    80    79    78    77
AFr       8    15    12     8     2     3     6 (  5)
Aaus      5    14    14    13     4     3     4 (  6)
T        44    51    24    22    32    38    45    34

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


24 Mar
Solar:       very low
Geomagnetic: Quiet to Unsettled

Frequencies:
  Equatorial PNG Region:
    No data available during local day,
    No data available during local night.
  Northern Australian Region
    Near Predicted monthly values.
  Southern Australian and New Zealand Region:
    Mostly near predicted monthly values,
  Antartic Region (Casey/Scott Base):
    Enhanced by 20% over the UT day.


25 Mar 
Solar:        very low
Geomagnetic:  Quiet to Active 

Frequencies:  
   Equatorial PNG Region:
     No data available during local day,
     No data available during local night.
     Enhanced by 25% after local dawn.
  Northern Australian Region:
     Near predicted monthly values during local day,
     Enhanced by 25% during local night.
  Southern Australian and New Zealand Region:
     Enhanced by 15% during local day,
     Near predicted monthly values during local night.
     Depressed by 25% after local dawn.
  Antarctic Region (Casey/Scott Base):
     Near predicted monthly values over the UT day.

26 Mar 
Solar:        very low
Geomagnetic:  Quiet to Active 

Frequencies:  
   Equatorial PNG Region:
     No data available during local day,
     No data available during local night.
  Northern Australian Region:
     Near predicted monthly values during local day,
     Depressed by 20% during local night.
  Southern Australian and New Zealand Region:
     Depressed by 20% during local day,
     Near predicted monthly values during local night.
  Antarctic Region (Casey/Scott Base):
     Near predicted monthly values over the UT day.

27 Mar 
Solar:        very low
Geomagnetic:  Quiet to Unsettled 

Frequencies:  
   Equatorial PNG Region:
     Enhanced by 20% during local day,
     No data available during local night.
  Northern Australian Region:
     Depressed by 15% during local day,
     Depressed by 25% during local night.
  Southern Australian and New Zealand Region:
     Depressed by 15% during local day,
     Near predicted monthly values during local night.
  Antarctic Region (Casey/Scott Base):
     Near predicted monthly values over the UT day.

28 Mar 
Solar:        very low
Geomagnetic:  Quiet 

Frequencies:  
   Equatorial PNG Region:
     Enhanced by 20% during local day,
     No data available during local night.
  Northern Australian Region:
     Near predicted monthly values during local day,
     Depressed by 20% 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.

29 Mar 
Solar:        very low
Geomagnetic:  Quiet 

Frequencies:  
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      No data available during local night.
   Northern Australian Region:
      Near predicted monthly values during local day,
      Depressed by 25% during local night.
   Southern Australian and New Zealand Region:
      Mostly near predicted monthly values,
      Enhanced by 20% after local dawn.
   Antarctic Region (Casey/Scott Base):
      Enhanced by 20% over the UT day.

30 Mar 
Solar:        very low
Geomagnetic:  Quiet 

Frequencies:  
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      No data available during local night.
   Northern Australian Region:
      Depressed by 15% during local day,
      Near predicted monthly values during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
      Enhanced by 15% during local night.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values over the UT day.

31 Mar 
Solar:        very low
Geomagnetic:  Quiet to Unsettled 

Frequencies:  
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      No data available during local night.
   Northern Australian Region:
      Near predicted monthly values during local day,
      Depressed by 20% during local night.
   Southern Australian and New Zealand Region:
      Mostly near predicted monthly values,
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values over the UT day.

 
2. FORECAST (01 APRIL - 07 APRIL)
Solar: Conditions expected to range from Very Low to Low. 

Geomagnetic:  Mostly Quiet with Active to Minor storm intervals possible from 
01-03 Apr.

Frequencies:  depressed 15% briefly after local dawn on 01-Apr, depressed 20 to
30% on 02-Apr, depressed 20 to 30% on 03-Apr, depressed 15 to 20% on 04-Apr,
depressed 15% briefly after local dawn on 05-Apr,  otherwise MUFs near normal.
No SWFs.

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 

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