[Ips-wsgr] IPS Weekly Solar and Geophysical Report (12 May 06)

[rwc]

SUBJ: IPS WEEKLY SOLAR AND GEOPHYSICAL REPORT 
ISSUED ON 12 MAY 2006, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (05 MAY - 11 MAY)
Date     05    06    07    08    09    10    11
10cm     87    87    86    85    83    78    76
AFr       8    14    17     5     2     4 ( 18)
Aaus      7    19    12     4     3     3 ( 13)
T        47    30    34    28    22    29    38

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

05 May 
Solar:        very low
Geomagnetic:  Quiet to Unsettled 

Frequencies:  
   Equatorial PNG/Niue Region:
      Near predicted monthly values.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Enhanced by 20% during local day, with periods
      of degradations.
      Enhanced by 35% during local night.
      Enhanced by 25% after local dawn.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Enhanced by 30% over the UT day with periods
      of minor to significant degradations.

06 May 
Solar:        very low
Geomagnetic:  Quiet to Minor Storm 
A weak (19nT) impulse was observed in the IPS magnetometer data at 1449UT on 06
May.
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:
      Enhanced by 15% during local day,
      Near predicted monthly values during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Enhanced by 20% over the UT day with periods
      of significant degradations.

07 May 
Solar:        very low
Geomagnetic:  Quiet to active with isolated minor storm periods 
              at high latitudes. 

Frequencies:  
   Equatorial PNG/Niue Region:
      Mostly near predicted monthly values,
      Enhanced by 35% after local dawn.
   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
      with periods of degradations.

08 May 
Solar:        very low
Geomagnetic:  Quiet to unsettled with isolated active periods. 

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 during local day,
      Depressed by 15% during local night.
   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
      with periods of degradations.

09 May 
Solar:        very low
Geomagnetic:  Quiet 

Frequencies:  
   Equatorial PNG/Niue Region:
      Depressed by 15% 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 20% over the UT day with periods
      of degradations.

10 May 
Solar:        very low
Geomagnetic:  Quiet 

Frequencies:  
near predicted monthly values

11 May 
Solar:        very low
Geomagnetic:  Quiet to Active 
A weak (14nT) impulse was observed in the IPS magnetometer data at 0529UT on 11
May.
Frequencies:  
near predicted monthly values

 
2. FORECAST (12 MAY - 18 MAY)
Solar: 
Low

Geomagnetic:  
active 13 May to 14 May.
minor storm on 12 May.
quiet to unsettled on other days.

Frequencies:  
briefly depressed after local dawn 13 to 14 May
depressed 15% on 12 May
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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