[Ips-wsgr] IPS Weekly Solar and Geophysical Report (18 April 14) issued 0237 UT on 18 Apr 2014

rwc rwc at ips.gov.au
Fri Apr 18 12:37:44 EST 2014


SUBJ: IPS WEEKLY SOLAR AND GEOPHYSICAL REPORT 
ISSUED ON 18 APRIL 2014, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (11 APRIL - 17 APRIL)
Date     11    12    13    14    15    16    17
10cm    138   136   137   150   162   184   179
AFr       7    16    13     7     5     5 (  7)
Aaus      5    11     8     3     1     2 (  7)
T       107   130   111   105   109   108   118

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

11 Apr 
Solar:        low
Geomagnetic:  Quiet to unsettled
Frequencies:  
   Cocos Island Region:
      No data 00-22 UT. Near monthly predicted value at
      23 UT.
   Niue Island Region:
      Enhanced 30-50% 00-08 UT. Mostly near predicted
      monthly values at other times.
   Northern Australian Region:
      Mostly near predicted monthly values. Enhanced
      35-50% 18-21 UT at Darwin.
   Southern Australian and New Zealand Region:
      Mostly near predicted monthly values to 20% enhanced.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values to 30% enhanced.

12 Apr 
Solar:        low
Geomagnetic:  Quiet to Active. Minor storm conditions at higher 
              latitudes 12-15 UT.
Frequencies:  
   Cocos Island Region:
      Near predicted monthly values. Enhanced to 20%
      11-14, 18-20 UT.
   Niue Island Region:
      Near predicted monthly values to 20% enhanced 
      00-03, 09-14, 23 UT, otherwise enhanced 20-60%.
   Northern Australian Region:.
      Enhanced 15-35% 07-14 and 20-40% 18-23 UT. Near
      predicted monthly values at other times.
   Southern Australian and New Zealand Region:
      Enhanced 15-40%. Spread F at Hobart 08-21 UT.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values to 35% depressed.

13 Apr 
Solar:        low
Geomagnetic:  Quiet to unsettled with some isolated active periods.
Frequencies:  
   Cocos Island Region:
      Near predicted monthly values. Enhanced 25-40%
      11-15 UT. Depressed 20% at 23 UT.
   Niue Island Region:
      Near predicted monthly values to 20% enhanced.
      Enhanced 25-35% 00, 06-09 UT.
   Northern Australian Region:
      Mostly near predicted monthly values to 20%
      enhanced. Depressed 25-45% at Darwin 15-17 UT.
   Southern Australian and New Zealand Region:
      Near predicted monthly values to 20% enhanced.
      Hobart near predicted monthly values to 20%
      depressed with spread F 11-22 UT.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values to 25% depressed.

14 Apr 
Solar:        low
Geomagnetic:  Quiet
Frequencies:  
   Cocos Island Region:
      Enhanced by 15% during local day.
      Enhanced by 40% during local night.
   Niue Island Region:
      Near predicted monthly values during local day.
      Enhanced by 30% during local night.
      Enhanced by 20% after local dawn.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Depressed by 20% during local night.
      Enhanced by 30% 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.

15 Apr 
Solar:        low
Geomagnetic:  Quiet
Frequencies:  
   Cocos Island Region:
      Near predicted monthly values during local day.
      Enhanced by 70% during local night.
   Niue Island Region:
      Enhanced by 25% during local day.
      Enhanced by 40% during local night.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Depressed by 15% during local night.
   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.

16 Apr 
Solar:        moderate, with an M1.0 at 1959UT
Geomagnetic:  Quiet
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.
   Southern Australian and New Zealand Region:
      Mostly near predicted monthly values.
      Enhanced by 20% after local dawn.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

17 Apr 
Solar:        low
Geomagnetic:  Quiet to Unsettled
Frequencies:  
   Cocos Island Region:
      Enhanced by 20% during local day.
      Enhanced by 100% during local night.
   Niue Island Region:
      Enhanced by 20% during local day.
      Enhanced by 55% during local night.
   Northern Australian Region:
      Mostly near predicted monthly values.
   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):
      Enhanced by 15% over the UT day.

 
2. FORECAST (18 APRIL - 24 APRIL)
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, 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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