[Ips-wsgr] IPS Weekly Solar and Geophysical Report (30 November 12) issued 0231 UT on 30 Nov 2012

rwc rwc at ips.gov.au
Fri Nov 30 13:31:11 EST 2012


SUBJ: IPS WEEKLY SOLAR AND GEOPHYSICAL REPORT 
ISSUED ON 30 NOVEMBER 2012, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (23 NOVEMBER - 29 NOVEMBER)
Date     23    24    25    26    27    28    29
10cm    126   118   121   122   117   114   113
AFr       6    11     4     6     3     2 (  4)
Aaus      4    12     8     7     4     3 (  5)
T       129   108    99    86    75    89    93

Solar:        Solar flare activity
Geomagnetic:  Geomagnetic activity observed for Australian region.
Frequencies:  Australian ionospheric F2 critical frequencies

23 Nov 
Solar:        low
Geomagnetic:  Quiet. Unsettled to active after ~21 UT.
Frequencies:  
   Cocos Island Region:
      Near predicted monthly values with enhancements to 30%
      07-17 UT. Depressions to 20% 20-22 UT.
   Niue Island Region:
      Enhanced 15-30% 00-17 UT, then near predicted monthly values.
   Northern Australian Region:
      Enhanced 20-40% at Darwin 07-18 UT and 20-35% 04-19 UT at
      Townsville. Near predicted monthly values at other times.
   Southern Australian and New Zealand Region:
      Near predicted monthly values to 25% enhanced.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values to 35% enhanced.

24 Nov 
Solar:        low
Geomagnetic:  Quiet to active
Frequencies:  
   Cocos Island Region:
      Near predicted monthly values.
   Niue Island Region:
      Near predicted monthly values with enhancements
      to 20% 03-04, 10-13 UT.
   Northern Australian Region:
      Near predicted monthly values. Enhancements to
      20% 07-15 UT and to 25% 17-20 UT at Townsville.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during with enhancements
      to 30% mostly 04-20 UT. Perth and Learmonth mostly
      near predicted monthly values; depressions to 20%,
      00-01 and 14-16 UT to 20% at Learmonth.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values. Some depressions to
      20% 08-20 UT.

25 Nov 
Solar:        low
Geomagnetic:  Quiet to Unsettled
Frequencies:  
   Cocos Island Region:
      Near predicted monthly values.
   Niue Island Region:
      Near predicted monthly values.
   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 to 20% depressed.

26 Nov 
Solar:        low
Geomagnetic:  Quiet to Unsettled
In the IPS magnetometer data for 26 Nov, a weak (14nT) impulse 
was observed at 0514UT.
Frequencies:  
   Cocos Island Region:
      Near predicted monthly values.
   Niue Island Region:
      Near predicted monthly values.
   Northern Australian Region:
      Near predicted monthly values.
   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.

27 Nov 
Solar:        moderate, with an M1.6 at 1557UT, and an M1.0 at 
              2126UT
Geomagnetic:  Quiet
Frequencies:  
   Cocos Island Region:
      Mostly near predicted monthly values.
   Niue Island Region:
      Near predicted monthly values.
   Northern Australian Region:
      Mostly 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.

28 Nov 
Solar:        moderate, with an M2.2 at 2137UT
Geomagnetic:  Quiet
Frequencies:  
   Cocos Island Region:
      Enhanced by 20% during local day.
      Enhanced by 25% during local night.
   Niue Island Region:
      Near predicted monthly values.
   Northern Australian Region:
      Mostly near predicted monthly values.
      Depressed 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.

29 Nov 
Solar:        low
Geomagnetic:  Quiet
Frequencies:  
   Cocos Island Region:
      Mostly near predicted monthly values.
   Niue Island Region:
      Near predicted monthly values.
   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.

 
2. FORECAST (30 NOVEMBER - 06 DECEMBER)
Solar: 
Moderate activity possible early in week.

Geomagnetic:  
Activity increasing in latter half of 30 Nov. 
Active periods possible 30 Nov 01 Dec. 
Quiet to Unsettled on other days.

Frequencies:  
MUFs depressions to 20% at times on 30 Nov 01 Dec.
Otherwise, MUFs mostly near predicted monthly values.

For an explanation of some of the terms in this report, go to
http://www.ips.gov.au, and follow links to Educational->
Glossary on Solar Terrestrial Terms.

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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