[Ips-wsgr] IPS Weekly Solar and Geophysical Report (05 April 13) issued 0138 UT on 05 Apr 2013

rwc rwc at ips.gov.au
Fri Apr 5 12:38:18 EST 2013


SUBJ: IPS WEEKLY SOLAR AND GEOPHYSICAL REPORT 
ISSUED ON 05 APRIL 2013, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (29 MARCH - 04 APRIL)
Date     29    30    31    01    02    03    04
10cm    105   108   113   119   122   127   129
AFr      19    12     3     6     4     3 (  4)
Aaus     13     8     4     5     2     2 (  4)
T        63    49    53    80    79    91    92

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

29 Mar 
Solar:        Very low
Geomagnetic:  Quiet to active with isolated minor storm levels at
              high latitudes. A weak (26nT) impulse was observed
              in the IPS magnetometer data at 0815 UT.
Frequencies:  
   Cocos Island Region:
      Near predicted monthly values.
   Niue Island Region:
      Near predicted monthly values.
   Northern Australian Region:
      Depressed by 15% during local day.
      Near predicted monthly values during local night.
      Enhanced by 30% after local dawn.
   Southern Australian and New Zealand Region:
      Mostly near predicted monthly values.
      Depressed by 30% after local dawn.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

30 Mar 
Solar:        Very low
Geomagnetic:  Quiet to unsettled
Frequencies:  
   Cocos Island Region:
      Near predicted monthly values.
   Niue Island Region:
      Near predicted monthly values during local day.
      Enhanced by 25% during local night.
   Northern Australian Region:
      Depressed by 35% during local day.
      Depressed by 35% during local night.
   Southern Australian and New Zealand Region:
      Depressed by 40% during local day.
      Depressed by 30% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Depressed by 25% over the UT day.

31 Mar 
Solar:        Very low
Geomagnetic:  Quiet
Frequencies:  
   Cocos Island Region:
      Enhanced by 15% during local day.
      Depressed by 15% during local night.
   Niue Island Region:
      Near predicted monthly values during local day.
      Depressed by 20% during local night.
   Northern Australian Region:
      Depressed by 15% during local day.
      Depressed by 30% during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Depressed by 15% over the UT day.

01 Apr 
Solar:        Very low
Geomagnetic:  Quiet to unsettled
Frequencies:  
   Cocos Island Region:
      Near predicted monthly values with 20-30% enhancements
      07-13 UT and 15-20% depressions 15-21, 23 UT.
   Niue Island Region:
      Near predicted monthly values.
   Northern Australian Region:
      Near predicted monthly values. Enhanced 25-50% 07-14 UT
      at Darwin.
   Southern Australian and New Zealand Region:
      Near predicted monthly values. Night spread F at Hobart.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values to 20% enhanced.

02 Apr 
Solar:        Very low
Geomagnetic:  Quiet
Frequencies:  
   Cocos Island Region:
      Near predicted monthly values. Enhanced 20-35% 07-09
      and 13-14 UT. Depressed 23% at 23 UT.
   Niue Island Region:
      Near predicted monthly values. Depressions of 15-30%
      00, 16-17 and 21 UT.
   Northern Australian Region:
      Near predicted monthly values. Depressions of 20-30%
      16-18 UT at Darwin.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values. Depressions of 20-30%
      14-19 UT.

03 Apr 
Solar:        Low
Geomagnetic:  Quiet
Frequencies:  
   Cocos Island Region:
      Near predicted monthly values with enhancements of
      25% 08-10, 19 UT and 35-60% 13-18 UT.
   Niue Island Region:
      Near predicted monthly values. Enhanced 30-55% 07-14
      UT and 25% 18-19 UT.
   Northern Australian Region:
      Near predicted monthly values. Enhanced 25-50% 06-14
      UT and 15-25% 18-22 UT at Darwin. Enhanced 20-25%
      05-08 UT at Townsville.
   Southern Australian and New Zealand Region:
      Mostly near predicted monthly values. Night spread F
      at Hobart.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values to 25% enhanced during
      local day and depressions to 25% local night.

04 Apr 
Solar:        Low
Geomagnetic:  Quiet
Frequencies:  
   Cocos Island Region:
      Near predicted monthly values. Enhanced 20-30%
      07-10 and 13-14 UT.
   Niue Island Region:
      Near predicted monthly values. Enhanced 20-25%
      05-06 and 14 UT.
   Northern Australian Region:
      Near predicted monthly values. Enhanced 25-40% 10-14,
      17-18 and 22 UT at Darwin. Enhanced 20-40% 16-18 UT
      at Townsville.
   Southern Australian and New Zealand Region:
      Near predicted monthly values to 20% enhanced. Spread
      F at Hobart, mostly night time.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values to 30% enhanced.
      Depressions of 30% at Mawson 03-04 and 14 UT.

2. FORECAST (05 APRIL - 11 APRIL)
Solar: Low

Geomagnetic:  Quiet to unsettled conditions.

Frequencies:  Near predicted monthly values to 15% enhanced.

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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