[Ips-wsgr] IPS Weekly Solar and Geophysical Report (23 April 04)

[rwc]

SUBJ: IPS WEEKLY SOLAR AND GEOPHYSICAL REPORT 
ISSUED ON 23 APRIL 2004, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (16 APRIL - 22 APRIL)
Date     16    17    18    19    20    21    22
10cm     97    98   109   113   111   113   117
AFr      10     6     6     4     4     6    (5)
Aaus     10     8     9     5     2     6    (4)
T        74    47    50    62    51    60    61

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

16 Apr 
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:
      Enhanced by 20% during local day,
      Enhanced by 20% during local night.
   Southern Australian and New Zealand Region:
      Enhanced by 30% during local day,
      Enhanced by 25% during local night.
   Antarctic Region (Casey/Scott Base):
      Enhanced by 20% over the UT day.


17 Apr 
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 during local day,
      Enhanced by 20% 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):
      Enhanced by 20% over the UT day.


18 Apr 
Solar:        very low
Geomagnetic:  Quiet to Unsettled 
Frequencies:  
near predicted monthly values


19 Apr 
Solar:        very low
Geomagnetic:  Quiet 
Frequencies:  
near predicted monthly values


20 Apr 
Solar:        very low
Geomagnetic:  Quiet 
Frequencies:  
slightly above predicted monthly values


21 Apr 
Solar:        very low
Geomagnetic:  Quiet 
Frequencies:  
near predicted monthly values


22 Apr 
Solar:        moderate, with an  M1/1N at 0219UT 
Geomagnetic:  Quiet 
Frequencies:  
near predicted monthly values


 
2. FORECAST (23 APRIL - 29 APRIL)
Solar: Low, with the possibility of isolated M class flares.

Geomagnetic:  Mostly Quiet with Unsettled to Active intervals possible.

Frequencies:  Near predicted monthly values. 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.

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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