[Ips-wsgr] IPS Weekly Solar and Geophysical Report (05 July 13) issued 0249 UT on 05 Jul 2013

rwc rwc at ips.gov.au
Fri Jul 5 12:49:29 EST 2013


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

1. SUMMARY (28 JUNE - 04 JULY)
Date     28    29    30    01    02    03    04
10cm    101   100   103   108   114   125   138
AFr      20    40    11    10     5     4 (  6)
Aaus     16    30     5     3     0     1 (  1)
T        72    87    52    50    53    62    60

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

28 Jun 
Solar:        low
Geomagnetic:  Quiet to Active
Frequencies:  
   Cocos Island Region:
      Near predicted monthly values. Depressed 25-35%
      18-19, 21 UT. Sporadic E 22-23 UT.
   Niue Island Region:
      Near predicted monthly values.
   Northern Australian Region:
      Near predicted monthly values to 30% enhanced,
      15-20% depressions 10-13 UT. Night spread F. No
      Townsville data.
   Southern Australian and New Zealand Region:
      Near predicted monthly values. Enhanced to 15%
      during local night. Hobart depressed 20-30% 16-18,
      21-23 UT. Night spread F observed at times, all stations.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values to 25% depressed.

29 Jun 
Solar:        low
Geomagnetic:  Quiet to major storm
Frequencies:  
   Cocos Island Region:
      Near predicted monthly values to 25% enhanced.
      Depressions 25-35% 13-14, 16 UT.
   Niue Island Region:
      Near predicted monthly values 00-03 UT, then enhanced
      mostly 20-35%. Some night spread F.
   Northern Australian Region:
      Near predicted monthly values. Enhanced 20-35% 08-15,
      17, 23 UT at Darwin and 04-05, 11, 13-14, 16-17, 20 UT
      at Townsville. 
   Southern Australian and New Zealand Region:
      Near predicted monthly values to 30% enhanced except at
      Hobart and Perth where frequencies were mostly 15-35%
      depressed. Hobart affected by spread F most of the period.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Weak ionosphere due to absorption. Sporadic E prevalent.

30 Jun 
Solar:        low
Geomagnetic:  Quiet to unsettled
Frequencies:  
   Cocos Island Region:
      Enhanced 25-45% 04-12 UT. Depressed 20-30% 16-19 UT.
      Near predicted monthly values at other times.
   Niue Island Region:
      Near predicted monthly values with 20-30% depressions
      06-08, 11-14 UT.
   Northern Australian Region:
      Near predicted monthly values. Depressions 25-35% 11-12,
      19-21 UT at Darwin. 
   Southern Australian and New Zealand Region:
      Mostly near predicted monthly values during local day
      except Hobart with depressions to 25%. Depressions to 35%
      during local night; depressions increasing with increasing
      latitude. Poor conditions 16-19 UT at Canberra, Hobart and
      Sydney. Perth frequencies were near predicted monthly values
      00-19 UT, then 25-40% depressed. Night spread F at all stations.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Depressed 15-35% 00-10 UT then near predicted monthly values to
      30% enhanced. Weak ionosphere and blanketing sporadic E at times.

01 Jul 
Solar:        low
Geomagnetic:  Mostly Quiet
Frequencies:  
   Cocos Island Region:
      Enhanced by 20% during local day.
      Depressed by 25% during local night.
   Niue Island Region:
      Near predicted monthly values during local day.
      Depressed by 15% during local night.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Depressed by 20% during local night.
   Southern Australian and New Zealand Region:
      Depressed by 15% during local day.
      Depressed by 30% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

02 Jul 
Solar:        low
Geomagnetic:  Quiet
Frequencies:  
   Cocos Island Region:
      Enhanced by 15% during local day.
      Depressed by 15% during local night.
      Depressed by 30% after local dawn.
   Niue Island Region:
      Depressed by 15% during local day.
      Depressed by 15% during local night.
   Northern Australian Region:
      Depressed by 15% 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.

03 Jul 
Solar:        moderate, with an M1.5 at 0708UT
Geomagnetic:  Quiet
Frequencies:  
   Cocos Island Region:
      Enhanced by 20% during local day.
      Depressed by 20% during local night.
   Niue Island Region:
      Near predicted monthly values during local day.
      Depressed by 15% during local night.
   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.

04 Jul 
Solar:        low
Geomagnetic:  Quiet
Frequencies:  
   Cocos Island Region:
      Enhanced by 35% during local day.
      Depressed by 30% during local night.
   Niue Island Region:
      Near predicted monthly values.
   Northern Australian Region:
      Depressed by 15% 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):
      Near predicted monthly values over the UT day.

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

Geomagnetic:  
Mostly Quiet to Unsettled conditions. Active possible on 5 July

Frequencies:  
MUFs mostly near predicted monthly values.
Periods of minor to moderate MUF depressions possible on high and some mid
latitude locations on 5 July.


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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