[Ips-wsgr] IPS Weekly Solar and Geophysical Report (04 May 12) issued 0152 UT on 04 May 2012

Fri May 4 11:52:11 EST 2012

SUBJ: IPS WEEKLY SOLAR AND GEOPHYSICAL REPORT 
ISSUED ON 04 MAY 2012, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (27 APRIL - 03 MAY)
Date     27    28    29    30    01    02    03
10cm    118   121   116   114   110   116   114
AFr       7     5     5     2     3     4  (  6)
Aaus      6     5     3     2     2     2  (  6)
T        84    77    75    65    63    64    73

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

27 Apr 
Solar:        Moderate, with an M1.0 at 0825UT
Geomagnetic:  Quiet to unsettled
Frequencies:  
   Cocos Island Region:
      Near predicted monthly values during local day.
      Depressed by 25% during local night.
   Niue Island Region:
      Enhanced by 15% during local day.
      Enhanced by 20% during local night.
   Northern Australian Region:
      Enhanced by 15% 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.

28 Apr 
Solar:        Low
Geomagnetic:  Quiet
Frequencies:  
   Cocos Island Region:
      Enhanced by 25% during local day.
      Enhanced by 30% during local night.
   Niue Island Region:
      Near predicted monthly values during local day.
      Enhanced by 15% during local night.
      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.

29 Apr 
Solar:        Low
Geomagnetic:  Mostly quiet. Isolated unsettled periods at high 
              latitudes.
Frequencies:  
   Cocos Island Region:
      No data 03-20 UT. Near predicted monthly values
      at other times.   
   Niue Island 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 during local day.
      Depressed by 15% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

30 Apr 
Solar:        Low
Geomagnetic:  Quiet
Frequencies:  
   Cocos Island Region:
      Near predicted monthly values with enhancements to
      40% 05-15 UT.
   Niue Island Region:
      Near predicted monthly values with depressions to
      30% 07-17 and 20-21 UT.
   Northern Australian Region:
      Mostly near predicted monthly values with occasional
      depressions to 25% 09-20 UT.
   Southern Australian and New Zealand Region:
      Near predicted monthly values with occasional
      depressions to 25% 08-20 UT.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values with depressions to 30%
      after 12 UT.

01 May 
Solar:        Low
Geomagnetic:  Quiet
Frequencies:  
   Cocos Island Region:
      Near predicted monthly values with depressions to 25%
      13-20 UT.
   Niue Island Region:
      Near predicted monthly values with depressions to 30%
      14-17 and 21-22 UT.
   Northern Australian Region:
      Near predicted monthly values with depressions to 25%
      02-08 UT and to 35% 12-17 UT at Darwin, depressions to
      20% 02-05 and 09-16 UT at Townsville.
   Southern Australian and New Zealand Region:
      Near predicted monthly values with occasional
      depressions to 20% at some stations 00-17 UT.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values with depressions to 30%
      at times.

02 May 
Solar:        Low
Geomagnetic:  Quiet
Frequencies:  
   Cocos Island Region:
      Near predicted monthly values with depressions to 40%
      14-20 UT.
   Niue Island Region:
      Near predicted monthly values. Depression to 25% 11 UT.
      No data 12-22 UT.
   Northern Australian Region:
      Near predicted monthly values with depressions to 20%
      05-07 and 19-21 UT at Darwin. Mostly 10-20% depressed
      at Townsville.
   Southern Australian and New Zealand Region:
      Near predicted monthly values to 15% depressed.
      Depressions to 25% 12-16 UT at Hobart and Learmonth.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values to 30% depressed.

03 May 
Solar:        Low
Geomagnetic:  Quiet, with isolated unsettled levels first half 
              of reporting period.
Frequencies:  
   Cocos Island Region:
      Near predicted monthly values. Depressions to 25%
      11-17 and 21-23 UT.
   Niue Island Region:
      Near predicted monthly values. Depression to 25% 22-23 UT.
   Northern Australian Region:
      Mostly near predicted monthly values. Depressions to 15%
      around 05-06 and 13-17 UT.
   Southern Australian and New Zealand Region:
      Near predicted monthly values. Depressions to 30% 11-16 UT
      at Learmonth.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values to 20% depressed.

2. FORECAST (04 MAY - 10 MAY)
Solar:  Low
Geomagnetic:  Active on 9-10 May. Quiet to unsettled on other days.
Frequencies:  Near predicted monthly values to 20% depressed.

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 
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