[Ips-wsgr] IPS Weekly Solar and Geophysical Report (03 June 05)

[rwc]

SUBJ: IPS WEEKLY SOLAR AND GEOPHYSICAL REPORT 
ISSUED ON 03 JUNE 2005, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (27 MAY - 02 JUNE)
Date     27    28    29    30    31    01    02
10cm     96    92    93    95    96    94    93
AFr       1     9    16    32    10     5 (  5)
Aaus      2     8    12    41     7     6 (  4)
T        28    36    58    50    19    16    30

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

27 May 
Solar:        moderate, with an M1/2F at 1230UT
Geomagnetic:  Quiet 

Frequencies:  
   Equatorial PNG Region:
     Near predicted monthly values during local day,
     Depressed by 15% during local night.
  Northern Australian Region:
     Near predicted monthly values during local day,
     Depressed by 15% 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):
     Enhanced by 25% over the UT day.

28 May 
Solar:        very low
Geomagnetic:  Quiet to Unsettled 

Frequencies:  
   Equatorial PNG Region:
     Near predicted monthly values.
  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 during local day,
     Enhanced by 30% during local night.
  Antarctic Region (Casey/Scott Base):
     Near predicted monthly values over the UT day.

29 May 
Solar:        very low
Geomagnetic:  Quiet to Unsettled 
A weak (19nT) impulse was observed in the IPS magnetometer data at 0954UT on 29
May.
Frequencies:  
   Equatorial PNG Region:
      Enhanced by 15% during local day,
      Near predicted monthly values during local night.
      Enhanced by 25% after local dawn.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Enhanced by 15% during local day,
      Enhanced by 45% during local night.
   Antarctic Region (Casey/Scott Base):
      Enhanced by 35% over the UT day.

30 May 
Solar:        very low
Geomagnetic:  Unsettled to Major Storm 

Frequencies:  
   Equatorial PNG Region:
      Depressed by 20% during local day,
      Enhanced by 100% during local night.
      Enhanced by 60% after local dawn.
   Northern Australian Region:
      Near predicted monthly values during local day,
      Enhanced by 85% during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day at most
      sites. MUFs at Hobart were 30% depressed during the local
      day. Enhanced by 15% during local night.
      Depressed by 25% after local dawn this morning.
   Antarctic Region (Casey/Scott Base):
      Depressed by 15% over the UT day.

31 May 
Solar:        very low
Geomagnetic:  Quiet to Unsettled 

Frequencies:  
   Equatorial PNG Region:
     Enhanced by 20% during local day,
     Enhanced by 25% during local night.
     Enhanced by 25% after local dawn.
  Northern Australian Region:
     Near predicted monthly values during local day,
     Depressed by 15% during local night.
  Southern Australian and New Zealand Region:
     Depressed by 25% during local day,
     Depressed by 20% during local night.
  Antarctic Region (Casey/Scott Base):
     Near predicted monthly values over the UT day.

01 Jun 
Solar:        very low
Geomagnetic:  Quiet 

Frequencies:  
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      Depressed by 15% 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 15% during local day,
      Depressed by 20% during local night.
   Antarctic Region (Casey/Scott Base):
      Enhanced by 20% over the UT day.

02 Jun 
Solar:        very low
Geomagnetic:  Quiet 

Frequencies:  
   Equatorial PNG Region:
     Mostly near predicted monthly values,
     Enhanced by 25% after local dawn.
  Northern Australian Region:
     Near predicted monthly values.
  Southern Australian and New Zealand Region:
     Near predicted monthly values.
  Antarctic Region (Casey/Scott Base):
     Near predicted monthly values over the UT day.

 
2. FORECAST (03 JUNE - 09 JUNE)
Solar: 
Low

Geomagnetic:  
active 3 to 4 Jun
active on 6 Jun
quiet to unsettled on other days.

Frequencies:  
briefly depressed after local dawn 4 to 6 Jun
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.


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