[Ips-wsgr] IPS Weekly Solar and Geophysical Report (22 June 01)

[rwc]

SUBJ: IPS WEEKLY SOLAR AND GEOPHYSICAL REPORT 
ISSUED ON 22 JUNE 2001, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (15 JUNE - 21 JUNE)
Date     15    16    17    18    19    20    21
10cm    197   208   205   221   195   199   200
AFr       6     4     5    25    12    10 ( 10)
Aaus      4     3     5    20     8     9 (  7)
T       147   143   140   154   153   141   138

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

15 Jun 
Solar:        high, with an M6.3/1N at 1013UT
Geomagnetic:  Quiet 
Frequencies:  
   Equatorial PNG Region:
     Near predicted monthly values during local day,
     Enhanced by 15% during local night.
  Northern Australian Region:
     Near predicted monthly values during local day,
     Enhanced by 20% during local night.
  Southern Australian and New Zealand Region:
     Enhanced by 15-30% during local day,
  Antarctic Region (Casey/Scott Base):
     Enhanced by 35% over the UT day.

16 Jun 
Solar:        very low
Geomagnetic:  Quiet 
Frequencies:  
   Equatorial PNG Region:
     Near predicted monthly values during local day,
     Enhanced by 20% during local night.
  Northern Australian Region:
     Near predicted monthly values during local day,
     Enhanced by 15-40% during local night.
  Southern Australian and New Zealand Region:
     Near predicted monthly values.
  Antarctic Region (Casey/Scott Base):
     Enhanced by 35% over the UT day.

17 Jun 
Solar:        very low
Geomagnetic:  Quiet 
Frequencies:  
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      Enhanced by 30% during local night.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
      Enhanced by 20% during local night.
   Antarctic Region (Casey/Scott Base):
      Enhanced by 15% over the UT day.

18 Jun 
Solar:        moderate, with an M2/2N at 2021UT
Geomagnetic:  Quiet to Minor Storm 
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,
      Enhanced by 35% during local night.
   Southern Australian and New Zealand Region:
      Enhanced by 20-45% during local day,
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values over the UT day.

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

20 Jun 
Solar:        very low
Geomagnetic:  Quiet to Unsettled 
Frequencies:  
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      Enhanced by 60% during local night.
   Northern Australian Region:
      Near predicted monthly values during local day,
      Enhanced by 15% during local night.
   Southern Australian and New Zealand Region:
      Enhanced by 20%.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values over the UT day.

21 Jun 
Solar:        low
Geomagnetic:  Quiet to Unsettled 
Frequencies:  
   Equatorial PNG Region:
      Mostly near predicted monthly values,
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
      Enhanced by 25% during local night.
   Antarctic Region (Casey/Scott Base):
      Depressed by 15% over the UT day.
      Some Absorption and Spread F observed.
 
2. FORECAST (22 JUNE - 28 JUNE)
Solar: Moderate

Geomagnetic:  Mostly Quiet to Unsettled with active intervals possible
              on 23 June and 28 June.

Frequencies:  mildy depressed after local dawn on 24 and 28-Jun,  
              otherwise MUFs near normal. SWFs probable early in week.

PEASE 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.

IPS Radio and Space Services      | email: asfc at ips.gov.au
PO Box 1386                       | WWW: http://www.ips.gov.au/asfc
Haymarket NSW 1240  AUSTRALIA     | FTP: ftp://ftp.ips.gov.au/users/asfc/ 
tel: +61 2 9213 8010              | fax: +61 2 9213 8060