[Ips-wsgr] IPS Weekly Solar and Geophysical Report (15 December 06)

[rwc]

SUBJ: IPS WEEKLY SOLAR AND GEOPHYSICAL REPORT 
ISSUED ON 15 DECEMBER 2006, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (08 DECEMBER - 14 DECEMBER)
Date     08    09    10    11    12    13    14
10cm     96    92    90    92   102    94    93
AFr      17     6     8    11    15     5 ( 40)
Aaus     22    10    14    13    19     8 ( 28)
T       -10     6    17    15    23    -8     0

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

08 Dec 
Solar:        Very low
Geomagnetic:  Unsettled to minor Storm 
A weak (27nT) impulse was observed in the IPS magnetometer data at
0435UT on 08 Dec.
Frequencies:  
   Equatorial PNG/Niue Region:
      Near predicted monthly values during local day.
      Depressed by 20% during local night.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Depressed by 20% during local day.
      Depressed by 20% during local night.
      Depressed by 20% after local dawn.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Proton event in progress, increased absorption observed.

09 Dec 
Solar:        Low
Geomagnetic:  Quiet to unsettled 

Frequencies:  
   Equatorial PNG/Niue Region:
      Mostly near predicted monthly values.
   Northern Australian Region:
      Depressed by 20% during local day.
      Near predicted monthly values during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Proton event in progress, increased absorption observed.

10 Dec 
Solar:        Very low
Geomagnetic:  Quiet to active 

Frequencies:  
   Equatorial PNG/Niue Region:
      Depressed by 15% during local day.
      Depressed by 30% during local night.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Mostly near predicted monthly values.
      Depressed by 20% after local dawn.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Proton event in progress, increased absorption observed.

11 Dec 
Solar:        Low
Geomagnetic:  Quiet to active 

Frequencies:  
   Equatorial PNG/Niue Region:
      Near predicted monthly values during local day.
      Depressed by 25% 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):
      Proton event in progress, increased absorption observed.

12 Dec 
Solar:        Very low
Geomagnetic:  Unsettled to active 

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

13 Dec 
Solar:        High, with an X3.4 at 0241UT 
Geomagnetic:  Quiet to active 
A weak (15nT) impulse was observed in the IPS magnetometer data at
0222UT on 13 Dec.
Frequencies:  
   Slightly above predicted monthly values.

14 Dec 
Solar:        High, with an X1.5 at 2215UT 
Geomagnetic:  Quiet to major Storm 
A weak (46nT) impulse was observed in the IPS magnetometer data at
1414UT on 14 Dec.
Frequencies:  
   Slightly below predicted monthly values.

2. FORECAST (15 DECEMBER - 21 DECEMBER)
Solar: 
High, becoming low as region 930 rotates off the visible disc.

Geomagnetic:  
Active to severe storm levels 15 and 17 Dec.
Unsettled to active 18 and 19 Dec.
Active on 20 and 21 Dec.

Frequencies:  
Depressed up to 50% 15-21 Dec.

For an explanation of some of the terms in this report, go to
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 

IMPORTANT: This e-mail, including any attachments, may contain,confidential
or copyright information.  The views expressed in this message are those of
the individual sender, unless specifically stated to be the views of IPS.
If you are not the intended recipient, please contact the sender immediately
and delete all copies of this e-mail and attachments. Occasionally IPS sends 
email promoting IPS products and services to its mailing list customers. 
If you do not wish to receive this promotional material please email 
no-spam at ips.gov.au with the subject header:UNSUBSCRIBE"