[Ips-wsgr] IPS Weekly Solar and Geophysical Report (14 April 06)

[rwc]

SUBJ: IPS WEEKLY SOLAR AND GEOPHYSICAL REPORT 
ISSUED ON 14 APRIL 2006, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (07 APRIL - 13 APRIL)
Date     07    08    09    10    11    12    13
10cm     95    91    89    89    90    81    80
AFr       2     3    27    11     3     1  ( 15)
Aaus      2     4    19    13     4     1  ( 13)
T        27    29    40    39    28    27    24

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

07 Apr 
Solar:        Low
Geomagnetic:  Quiet 

Frequencies:  
   Equatorial PNG/Niue Region:
     Near predicted monthly values.
  Northern Australian Region:
     Mostly near predicted monthly values,
     Enhanced by 20% after local dawn.
  Southern Australian and New Zealand Region:
     Near predicted monthly values.
  Antarctic Region (Casey/Scott Base/Davis/Mawson):
     Near predicted monthly values over the UT day.

08 Apr 
Solar:        Very low
Geomagnetic:  Quiet 

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

09 Apr 
Solar:        Very low
Geomagnetic:  Unsettled to Active 

Frequencies:  
   Equatorial PNG/Niue Region:
     Near predicted monthly values during local day,
     Enhanced by 45% during local night.
  Northern Australian Region:
     Near predicted monthly values.
  Southern Australian and New Zealand Region:
     Enhanced by 15% during local day,
     Enhanced by 25% during local night.
     Enhanced by 25% after local dawn.
  Antarctic Region (Casey/Scott Base/Davis/Mawson):
     Enhanced by 40% over the UT day.

10 Apr 
Solar:        Very low
Geomagnetic:  Quiet to Active 

Frequencies:  
   Equatorial PNG/Niue Region:
     Near predicted monthly values during local day,
     Enhanced by 30% 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 15% during local night.
  Antarctic Region (Casey/Scott Base/Davis/Mawson):
     Enhanced by 80% over the UT day.

11 Apr 
Solar:        Low
Geomagnetic:  Quiet 

Frequencies:  
   Equatorial PNG/Niue Region:
     Mostly near predicted monthly values,
     Enhanced by 20% 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/Davis/Mawson):
     Near predicted monthly values over the UT day.

12 Apr 
Solar:        Very low
Geomagnetic:  Quiet 

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

13 Apr 
Solar:        Very low
Geomagnetic:  Quiet to Active 
A weak (12nT) impulse was observed in the IPS magnetometer 
data at 1459UT on 13 Apr.
Frequencies:  
   Equatorial PNG/Niue Region:
      No data available during local day,
      Near predicted monthly values during local night.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Enhanced by 35% over the UT day,
      Brief period of disturbance. 

 
2. FORECAST (14 APRIL - 20 APRIL)
Solar: 
Low

Geomagnetic:  
Unsettled to active 14 Apr to 16 Apr. Possible storm periods. 
Unsettled 17 Apr. Quiet to unsettled on other days.

Frequencies:  
Briefly depressed after local dawn 14 to 17 Apr.
High latitude disturbances 14 to 17 Apr.
MUFs near predicted monthly values on other days.

For an explanation of some of the terms in this report, goto
http://www.ips.gov.au/1/2/1.

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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