[Ips-wsgr] IPS Weekly Solar and Geophysical Report (11 March 11)

Regional Warning Centre rwc at ips.gov.au
Fri Mar 11 14:30:06 EST 2011 

SUBJ: IPS WEEKLY SOLAR AND GEOPHYSICAL REPORT 
ISSUED ON 11 MARCH 2011, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (04 MARCH - 10 MARCH)
Date     04    05    06    07    08    09    10
10cm    127   135   143   153   155   143   131
AFr       7     4     3     7     4     2 ( 12)
Aaus     12     6     7    10     5     6 ( 17)
T        29    34    49    63    73    71    68

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

04 Mar 
Solar:        low
Geomagnetic:  Quiet to Unsettled 

Frequencies:  
   Cocos Island Region:
      Near predicted monthly values.
   Niue Island Region:
      Enhanced by 35% during local day,
      Enhanced by 30% during local night.
   Northern Australian Region:
      Depressed by 20% during local day,
      Enhanced by 15% during local night.
   Southern Australian and New Zealand Region:
      Depressed by 15% during local day,
      Near predicted monthly values during local night.
      Depressed by 20% after local dawn.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values to depressed by 15% over the UT
day.

05 Mar 
Solar:        low
Geomagnetic:  Mostly quiet with isolated unsettled periods. 

Frequencies:  
   Cocos Island Region:
      Enhanced by 35% during local day,
      Enhanced by 40% during local night.
   Niue Island Region:
      Enhanced by 35% during local day,
      Depressed by 15% during local night.
   Northern Australian Region:
      Near predicted monthly values during local day,
      Enhanced by 70% 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.

06 Mar 
Solar:        low
Geomagnetic:  Mostly quiet with isolated unsettled periods. 

Frequencies:  
   Cocos Island Region:
      Near predicted monthly values during local day,
      No data available during local night.
   Niue Island Region:
      Enhanced by 15% during local day,
      Enhanced by 15% during local night.
      Enhanced by 20% after local dawn.
   Northern Australian Region:
      Near predicted monthly values during local day,
      Enhanced by 35% during local night.
      Enhanced 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.

07 Mar 
Solar:        high, with an  M1/SF at 1430UT , and an  M3/-- at 2012UT
Geomagnetic:  Quiet to Unsettled 

Frequencies:  
   Cocos Island Region:
      Near predicted monthly values to enhanced greater
      than 30% at times.
   Niue Island Region:
      Enhanced by 50% during local day,
      Near predicted monthly values during local night.
   Northern Australian Region:
      Near predicted monthly values during local day,
      Enhanced by 30% during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
      Enhanced by 25% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

08 Mar 
Solar:        high, with an   M1.3 at 0229UT , an   M1.5 at 0400UT ,
an   M5.3 at 1044UT , an   M4.4 at 1829UT , an   M1.4 at 2027UT , and
an   M1.0 at 2223UT
Geomagnetic:  Quiet 

Frequencies:  
   Cocos Island Region:
      Enhanced by 35% during local day,
      Enhanced by 40% during local night.
      Enhanced by 25% after local dawn.
   Niue Island Region:
      Enhanced by 45% during local day,
      Near predicted monthly values during local night.
   Northern Australian Region:
      Enhanced by 15% during local day,
      Enhanced by 100% during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
      Enhanced by 15% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

09 Mar 
Solar:        high, with an   M1.7 at 1108UT , an   M1.7 at 1403UT ,
and an   X1.6 at 2323UT
Geomagnetic:  Quiet 

Frequencies:  
   Cocos Island Region:
      Enhanced by 20% during local day,
      Near predicted monthly values during local night.
   Niue Island Region:
      Enhanced by 35% during local day,
      Near predicted monthly values during local night.
   Northern Australian Region:
      Near predicted monthly values during local day,
      Enhanced by 40% during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
      Enhanced by 20% during local night.
      Enhanced by 20% after local dawn.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values to significantly
      degraded at times due to absorption.
      Proton event in progress, increased absorption observed.

10 Mar 
Solar:        high, with an   X1.6 at 2323UT , and an   M1.1 at 2241UT
Geomagnetic:  Quiet to Active 

Frequencies:  
   Cocos Island Region:
      Enhanced by 50% during local day,
      Near predicted monthly values during local night.
   Niue Island Region:
      Enhanced by 15% during local day,
      Near predicted monthly values during local night.
      Enhanced by 20% after local dawn.
   Northern Australian Region:
      Near predicted monthly values during local day,
      Enhanced by 40% during local night.
   Southern Australian and New Zealand Region:
      Enhanced by 15% during local day,
      Enhanced by 35% during local night.
      Depressed by 20% after local dawn.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values to degraded due
      absorption.

 
2. FORECAST (11 MARCH - 17 MARCH)
Solar: 
Moderate activity early in week.

Geomagnetic:  
Quiet to unsettled conditions.

Frequencies:  
MUFs near predicted monthly values.

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 

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