[Ips-wsgr] IPS Weekly Solar and Geophysical Report (01 December 06)

[Regional Warning Centre]

SUBJ: IPS WEEKLY SOLAR AND GEOPHYSICAL REPORT 
ISSUED ON 01 DECEMBER 2006, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (24 NOVEMBER - 30 NOVEMBER)
Date     24    25    26    27    28    29    30
10cm     77    79    78    82    86    85    84
AFr      10    10     9     7     4     6 ( 20)
Aaus     13    11    10     7     5     8 ( 21)
T         1    -2   -15   -12   -14     7     3

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

24 Nov 
Solar:        very low
Geomagnetic:  Quiet to Active 

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

25 Nov 
Solar:        very low
Geomagnetic:  Quiet to Active 
A weak (12nT) impulse was observed in the IPS magnetometer data at
1509UT on 25 Nov.
Frequencies:  
   Equatorial PNG/Niue Region:
     Near predicted monthly values.
  Northern Australian Region:
     Near predicted monthly values.
  Southern Australian and New Zealand Region:
     Depressed by 15% during local day,
     Near predicted monthly values during local night.
  Antarctic Region (Casey/Scott Base/Davis/Mawson):
     Near predicted monthly values over the UT day.

26 Nov 
Solar:        very low
Geomagnetic:  Quiet to Unsettled 

Frequencies:  
   Equatorial PNG/Niue Region:
      Near predicted monthly values at Vanimo and Port
      Moresby with depressions to 30% around 05-16 UT.
      Enhanced at Niue by 15-40%.
   Northern Australian Region:
      Near predicted monthly values with depressions to
      about 20% early in the UT day and between 13-19 UT at
      Darwin.
   Southern Australian and New Zealand Region:
      Near predicted monthly values with depressions to 20%
      around 01-08 UT and 18-23 UT.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values.

27 Nov 
Solar:        very low
Geomagnetic:  Quiet to Unsettled 

Frequencies:  
   Equatorial PNG/Niue Region:
      Near predicted to 20% depressed between 05 and 16 UT.
   Northern Australian Region:
      Near predicted monthly values. Blanketing sporadic E
      at Townsville 05-09 UT.
   Southern Australian and New Zealand Region:
      Near predicted to 30% depressed from 00-09 UT and
      14-18 UT.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values.

28 Nov 
Solar:        very low
Geomagnetic:  Quiet 

Frequencies:  
   Equatorial PNG/Niue Region:
      Depressed to 25% 05-14 UT. Near predicted monthly
      values otherwise.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Depressed to 25% around 00-08 UT. Near predicted
      monthly values at other times.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values.

29 Nov 
Solar:        low
Geomagnetic:  Quiet to Active 
A weak (13nT) impulse was observed in the IPS magnetometer data at
0333UT on 29 Nov.
Frequencies:  
   Equatorial PNG/Niue Region:
     Mostly near predicted monthly values,
     Depressed by 20% after local dawn.
  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.

30 Nov 
Solar:        very low
Geomagnetic:  Quiet to Minor Storm 

Frequencies:  
   Equatorial PNG/Niue Region:
     Mostly near predicted monthly values,
     Depressed by 50% after local dawn.
  Northern Australian Region:
     Near predicted monthly values during local day,
     Enhanced by 15% during local night.
     Depressed by 25% after local dawn.
  Southern Australian and New Zealand Region:
     Mostly near predicted monthly values,
     Depressed by 25% after local dawn.
  Antarctic Region (Casey/Scott Base/Davis/Mawson):
     Depressed by 15% over the UT day.

 
2. FORECAST (01 DECEMBER - 07 DECEMBER)
Solar: 
Low

Geomagnetic:  
active on 7 Dec.
quiet to unsettled on other days.

Frequencies:  
briefly depressed after local dawn on 7 Dec
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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