[Ips-wsgr] IPS Weekly Solar and Geophysical Report (04 April 03)

[rwc]

SUBJ: IPS WEEKLY SOLAR AND GEOPHYSICAL REPORT 
ISSUED ON 04 APRIL 2003, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (28 MARCH - 03 APRIL)
Date     28    29    30    31    01    02    03
10cm    147   155   155   160   153   158   156
AFr      23    17    19    15    11    11 ( 15)
Aaus     17    19    20    23    12    15 ( 10)
T        63    93    98    78    82    96    92

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

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

29 Mar 
Solar:        low
Geomagnetic:  Unsettled to Active 
Frequencies:  
   Equatorial PNG Region:
      Enhanced by 15% during local day,
      Near predicted monthly values during local night.
   Northern Australian Region:
      Mostly near predicted monthly values,
   Southern Australian and New Zealand Region:
      Mostly near predicted monthly values,
      Enhanced by 35% after local dawn.
   Antarctic Region (Casey/Scott Base):
      Enhanced by 30% over the UT day.

30 Mar 
Solar:        very low
Geomagnetic:  Quiet to Unsettled 
Frequencies:  
   Equatorial PNG Region:
      Enhanced by 20% during local day,
      Near predicted monthly values during local night.
      Enhanced by 25% after local dawn.
   Northern Australian Region:
      Enhanced by 20% during local day,
      Near predicted monthly values 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):
      Near predicted monthly values over the UT day.

31 Mar 
Solar:        very low
Geomagnetic:  Mostly unsettle to active. One minor storm period 
              local night. 
Frequencies:  
   Equatorial PNG Region:
      Enhanced by 25% during local day,
      Near predicted monthly values during local night.
      Enhanced by 30% after local dawn.
   Northern Australian Region:
      Enhanced by 25% during local day,
      Near predicted monthly values during local night.
   Southern Australian and New Zealand Region:
      Mostly near predicted monthly values,
      Depressed by 20% after local dawn.
   Antarctic Region (Casey/Scott Base):
      Enhanced by 20% over the UT day.

01 Apr 
Solar:        very low
Geomagnetic:  Quiet to Unsettled 
Frequencies:  
   Equatorial PNG Region:
      Enhanced by 35% during local day,
      Enhanced by 15% during local night.
      Enhanced by 35% after local dawn.
   Northern Australian Region:
      Enhanced by 25% during local day,
      Near predicted monthly values 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.

02 Apr 
Solar:        very low
Geomagnetic:  Quiet to Active 
Frequencies:  
   Equatorial PNG Region:
      Mostly near predicted monthly values,
      Enhanced by 50% after local dawn.
   Northern Australian Region:
      Enhanced by 20% during local day,
      Near predicted monthly values during local night.
      Enhanced by 45% after local dawn.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base):
      Enhanced by 15% during the early hours,
      depressed and mild to strongly degraded conditions
      in the second half of the day. 

03 Apr 
Solar:        low
Geomagnetic:  Mostly quiet to unsettled. Isolated active periods 
Frequencies:  
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      Enhanced by 15% during local night.
      Enhanced by 20% after local dawn.
   Northern Australian Region:
      Enhanced by 20% during local day,
      Enhanced by 15% during local night.
      Enhanced by 20% after local dawn.
   Southern Australian and New Zealand Region:
      Near predicted monthly values with periods
      of depressions.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values over the UT day 
      with periods of mild to moderate degradations
      and depressions.
 
2. FORECAST (04 APRIL - 10 APRIL)
Solar:        Low to Moderate

Geomagnetic:  Mostly Quiet to Unsettled with Active intervals possible.

Frequencies:  Depressed 15% briefly after local dawn on 9 and 10-Apr,  
              otherwise MUFs near normal. SWFs possible. 

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.

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