[Ips-wsgr] IPS Weekly Solar and Geophysical Report (18 January 13) issued 0140 UT on 18 Jan 2013

Fri Jan 18 12:40:40 EST 2013

SUBJ: IPS WEEKLY SOLAR AND GEOPHYSICAL REPORT 
ISSUED ON 18 JANUARY 2013, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (11 JANUARY - 17 JANUARY)
Date     11    12    13    14    15    16    17
10cm    172   169   156   154   140   137   123
AFr       3     2    10     6     4     3 ( 11)
Aaus      3     5     8     9     5     7 ( 21)
T       110   116   120   108   114   123   122

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

11 Jan 
Solar: Moderate, with an M1.2 at 0911 UT, and an M1.0 at 1511 UT
Geomagnetic: Quiet
Frequencies:  
   Niue Island Region:
      Near predicted monthly values.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 20% during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day.
      Enhanced by 15% during local night.
      Enhanced by 25% after local dawn.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Enhanced by 15% over the UT day.

12 Jan 
Solar: Low
Geomagnetic: Quiet
Frequencies:  
   Cocos Island Region:
      Near predicted monthly values.
   Niue Island Region:
      Depressed by 15% during local day.
      Near predicted monthly values during local night.
   Northern Australian Region:
      Depressed by 15% during local day.
      Enhanced by 20% 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 over the UT day.

13 Jan 
Solar: Moderate, with an M1.7 at 0838 UT
Geomagnetic: Quiet to unsettled
Frequencies:  
   Cocos Island Region:
      Near predicted monthly values during local day.
      Enhanced by 25% during local night.
   Niue Island Region:
      Mostly near predicted monthly values.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 15% during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day.
      Enhanced by 15% during local night.
      Enhanced by 30% after local dawn.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

14 Jan 
Solar: Low
Geomagnetic: Quiet to unsettled with isolated active periods 
             00-03 UT. A weak (11 nT) impulse was observed at
             0116 UT in the IPS magnetometer data on 14 Jan.
Frequencies:  
   Cocos Island Region:
      Mostly near predicted monthly values. Depressions to 25%
      21-23 UT.
   Niue Island Region:
      Mostly near predicted monthly values.
   Northern Australian Region:
      Mostly near predicted monthly values. Enhanced to 30% 21-23
      UT at Townsville.
   Southern Australian and New Zealand Region:
     Mostly near predicted monthly values to 20% enhanced. Enhanced
     to 35% after local dawn.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Mostly near predicted monthly values.

15 Jan 
Solar: Low
Geomagnetic: Quiet to unsettled
Frequencies:  
   Cocos Island Region:
      Mostly near predicted monthly values.
      Enhanced to 25% 04-07 UT. Depressed to 25% 22-23 UT.
   Niue Island Region:
      Near predicted monthly values to 20% enhanced.
      Depressions to 25% 03-05 and 11-12 UT.
   Northern Australian Region:
      Near predicted monthly values to 20% enhanced.
      Depressions 20-25% at Darwin 19-21 UT.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day.
      Enhanced by 20% during local night.
      Enhanced to 40% after local dawn.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values to 20% enhanced.

16 Jan 
Solar: Low
Geomagnetic: Quiet to unsettled
Frequencies:  
   Cocos Island Region:
      Near predicted monthly values. Enhanced 20-35% 04-07 UT. 
      Depressions 20-30% 21-23 UT. 
   Niue Island Region:
      Near predicted monthly values. Enhanced
      20-30% 00-01 UT and 22-23 UT. Depressed 15-20% 03-06 UT
      and 25-35% 12-17 UT.
   Northern Australian Region:
      Near predicted monthly values. Enhanced 20-40% 01-04,
      08-16 UT at Darwin. Enhanced 20-30% 08-18, 21-22 UT at
      Townsville.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day.
      Enhanced to 30% during local night.
      Enhanced by 30% after local dawn.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Mostly near predicted monthly values to 30%
      enhanced.

17 Jan 
Solar: Very low
Geomagnetic:  Quiet to minor storm
Frequencies:  
   Cocos Island Region:
      Near predicted monthly values. Enhanced 20-35% 04-07 UT and
      20 UT.
   Niue Island Region:
      Near predicted monthly values. Enhanced 20-30% 00-01, 09-11
      and 19-20 UT. Depressed 25-40% 12-17 UT.
   Northern Australian Region:
      Near predicted monthly values. Enhanced 20-35% at Darwin
      20-23 UT. Enhanced 15-25% 00-03, 08-20 UT at Townsville.
   Southern Australian and New Zealand Region:
      Near predicted monthly values to 25% enhanced.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values with some depressions to 25%.

2. FORECAST (18 JANUARY - 24 JANUARY)
Solar: Low. Chance of moderate activity first half of week.

Geomagnetic: Quiet to unsettled conditions. Isolated active
  to minor storm periods possible later on 19 Jan and 20 Jan.

Frequencies: Near predicted monthly values to 25% enhanced.
  Chance of fade-outs in first half of week.

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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