[Ips-wsgr] IPS Weekly Solar and Geophysical Report (09 March 12) issued 0217 UT on 09 Mar 2012

Fri Mar 9 13:17:08 EST 2012

SUBJ: IPS WEEKLY SOLAR AND GEOPHYSICAL REPORT 
ISSUED ON 09 MARCH 2012, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (02 MARCH - 08 MARCH)
Date     02    03    04    05    06    07    08
10cm    108   116   120   132   138   136   140
AFr      10     8    10    11    10    33  ( 18)
Aaus      9     8     8     7     6    26  ( 17)
T        54    50    51    72    62    88    60

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

02 Mar 
Solar:        Moderate, with an M3.3 at 1748UT
Geomagnetic:  Quiet to Unsettled

Frequencies:  
   Cocos Island Region:
      Near predicted monthly values with enhancements to 
      20% 00, 06-10 UT and depressions to 20% 17-19 UT.
   Niue Island Region:
      Enhanced to 30% 00-07, 16-18 UT. Near predicted
      monthly values with depressions to 20% 11-12 UT.
   Northern Australian Region:
      Near predicted monthly values with depressions to
      20% 08-21 UT at Townsville.
   Southern Australian and New Zealand Region:
      Mostly depressed 10 to 30%.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values to 30% depressed.

03 Mar 
Solar:        Low
Geomagnetic:  Mostly quiet to unsettled. Isolated active levels.

Frequencies:  
   Cocos Island Region:
      Near predicted monthly values with depressions to 30%
      14-20 UT.
   Niue Island Region:
      Near predicted monthly values. Enhancements to 30%
      02-06 UT.
   Northern Australian Region:
      Near predicted monthly values. Depressions to 20%
      11-17 UT at Darwin and 07-17 UT at Townsville.
   Southern Australian and New Zealand Region:
      Mostly near predicted monthly values to 20% depressed.
      Depressions to 30% observed at Hobart and Western
      Australian stations.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Mostly 10-30% depressed. Blanketing sporadic E
      observed during night hours.

04 Mar 
Solar:        Moderate, with an M2.0 at 1055UT
Geomagnetic:  Quiet to Unsettled

Frequencies:  
   Cocos Island Region:
      Near predicted monthly values with depressions to
      40% 14-19 UT then depressions to 20%.
   Niue Island Region:
      Near predicted monthly values with depressions to
      25% 07-13 UT.
   Northern Australian Region:
      Near predicted monthly values with depressions to
      25% 03-17 UT.
   Southern Australian and New Zealand Region:
      Near predicted monthly values with depressions to
      20%  mostly 03-18 UT. Depressions to 30% at Canberra
      Sydney and Hobart 00-09 UT.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Mostly 10-25% depressed.

05 Mar 
Solar:        High, with an X1.1 at 0410UT, an M2.1 at 1916UT, 
              an M1.8 at 1930UT, and an M1.3 at 2235UT
Geomagnetic:  Mostly quiet to unsettled. Isolated active levels 
              at high latitudes only.

Frequencies:  
   Cocos Island Region:
      Near predicted monthly values during local day.
      Depressed by 25% during local night.
   Niue Island Region:
      Enhanced by 20% during local day.
      Near predicted monthly values during local night.
   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.

06 Mar 
Solar:        High, with an M1.3 at 2235UT, an M1.3 at 0028UT, 
              an M1.2 at 0144UT, an M1.0 at 0405UT, an M1.0 at 
              0755UT, an M2.1 at 1241UT, an M1.3 at 2111UT, and 
              an M1.0 at 2254UT
Geomagnetic:  Mostly quiet to unsettled. Isolated active levels 
              at high latitudes only.

Frequencies:  
   Cocos Island Region:
      Near predicted monthly values during local day.
      Depressed by 30% during local night.
   Niue Island Region:
      Near predicted monthly values.
   Northern Australian Region:
      Depressed by 15% over the UT day.
   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):
      Depressed by 20% over the UT day.

07 Mar 
Solar:        High, with an M1.0 at 2254UT, an X1.1 at 0011UT, 
              and an X5.4 at 0024UT
Geomagnetic:  Quiet to Minor Storm
In the IPS magnetometer data for 07 Mar, a weak (13nT) impulse 
was observed at 0421UT.
Frequencies:  
   Cocos Island Region:
      Enhanced by 25% during local day.
      Near predicted monthly values during local night.
   Niue Island Region:
      Enhanced by 15% during local day.
      Enhanced by 30% during local night.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Mostly near predicted monthly values.
      Depressed by 25% after local dawn.
      Spread-F observed Hobart.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Poor ionospheric support over the UT day.
      Proton event in progress, increased absorption observed.

08 Mar 
Solar:        Low
Geomagnetic:  Unsettled to Minor Storm
In the IPS magnetometer data for 08 Mar, a weak (32nT) impulse 
was observed at 1103UT.
Frequencies:  
   Cocos Island Region:
      Enhanced 20-30% 01-13UT.
      Near predicted monthly values during local night.
   Niue Island Region:
      Enhanced 20-50% 00-07UT.
      Near predicted monthly values during local night.
   Northern Australian Region:
      Darwin depressed 20-30% 04-11UT.
      Sporadic-E at Townsville 02-07UT.
      Depressed by 15% during local night.
      Depressed by 25% after local dawn.
   Southern Australian and New Zealand Region:
      Depressed by 20% over the UT day.
      Hobart spread-F 10-20UT.
      Norfolk Is. sporadic-E 04-06UT.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      No data available over the UT day.
      Proton event in progress, increased absorption 
      to -6dB observed.

2. FORECAST (09 MARCH - 15 MARCH)
Solar: 
Moderate activity early in week.

Geomagnetic:  
Active on 9 Mar. Quiet to unsettled on other days.

Frequencies:  
Briefly depressed after local dawn on 9 Mar
MUFs near predicted monthly values on other days.

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
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