[Ips-wsgr] IPS Weekly Solar and Geophysical Report (27 June 14) issued 0155 UT on 27 Jun 2014

rwc rwc at ips.gov.au
Fri Jun 27 11:55:39 EST 2014


SUBJ: IPS WEEKLY SOLAR AND GEOPHYSICAL REPORT 
ISSUED ON 27 JUNE 2014, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (20 JUNE - 26 JUNE)
Date     20    21    22    23    24    25    26
10cm    102   101    94    93    94    97   100
AFr      10     7     7     7     7     8 (  5)
Aaus      6     2     1     2     2     4 (  2)
T        63    64    47    45    45    46    44

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

20 Jun 
Solar:        low
Geomagnetic:  Quiet to Unsettled
Frequencies:  
   Cocos Island Region:
      Near predicted monthly values. Depressions
      20-35% 01, 13-19, 21-22 UT.
   Niue Island Region:
      Depressed 20-30% 00-01, 06-09, 11-12, 16,
      22-23 UT. Depressed 50% 15 UT. Otherwise near
      predicted monthly values. Spread F 10-13, 15 UT.
   Northern Australian Region:
      Near predicted monthly values. Depressed 20-30% 
      00-01, 11, 15-18 21 UT, depressed 30-35% 12-14 UT
      at Darwin. Depressed 20-30% 11-13, 22 UT at Townsville.
      Some spread F 13-20 UT.
   Southern Australian and New Zealand Region:
      Near predicted monthly values. Some depressions to 25%
      during night, particularly at Hobart. Spread F observed
      at all eastern stations during night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Mostly near predicted monthly values to 20% depressed.

21 Jun 
Solar:        low
Geomagnetic:  Quiet
Frequencies:  
   Cocos Island Region:
      Enhanced 25-50% 08-12 UT. Depressed 20-40%
      03, 05, 13-18, 21-23 UT. Near predicted monthly
      values at other times.
   Niue Island Region:
      Depressed 25-45% 04-05, 07-12, 16 UT. Near
      predicted monthly values to 20% depressed at
      other times.
   Northern Australian Region:
      Near predicted monthly values to 20% depressed.
      Depressed 25-45% at Darwin 11-18, 21 UT. Depressed
      20-30% at Townsville 02, 07-17 UT. Night spread F
      at times 14-21 UT.
   Southern Australian and New Zealand Region:
      Mostly near predicted monthly values to 15% depressed.
      Depressed 20-30% 00-02, 07-10 UT. Night spread F 09-20
      UT at some eastern stations.
      Near predicted monthly values during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values to 20% depressed 00-13 UT.
      Depressions 20-35% and weaker ionosphere after 13 UT.

22 Jun 
Solar:        very low
Geomagnetic:  Quiet
Frequencies:  
   Cocos Island Region:
      Enhanced 25-40% 07-10 UT. Depressed 20-45%
      00, 11-19 UT. No data 20-23 UT. Near predicted
      monthly values at other times. Spread F 17-19 UT.
   Niue Island Region:
      Depressed 20-40% 02-04, 06-15, 21-22 UT. Near
      predicted monthly values at other times.
   Northern Australian Region:
      Mostly depressed 15-40% at Darwin. Near predicted
      monthly values, depressed 20-30% 06, 10-13, 21, 23
      UT at Townsville. Spread F 12-20 UT at both stations.
      Sporadic E at Townsville 05-10 UT.
   Southern Australian and New Zealand Region:
      Near predicted monthly values to 20% depressed.
      Depressions 20-30% at times mostly 08-12 UT. Night
      spread F observed.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values to 30% depressed.

23 Jun 
Solar:        low
Geomagnetic:  Quiet
Frequencies:  
   Cocos Island Region:
      No data available. 
   Niue Island Region:
      Depressed by 25% during local day.
      Depressed by 35% during local night.
    Northern Australian Region:
      Depressed by 25% during local day.
      Depressed by 45% during local night.
   Southern Australian and New Zealand Region:
      Depressed by 25% during local day.
      Depressed by 25% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values to 25% depressed.

24 Jun 
Solar:        low
Geomagnetic:  Quiet
Frequencies:  
   Cocos Island Region:
      Depressed by 20% during local day.
      Depressed by 20% during local night.
      Depressed by 25% after local dawn.
   Niue Island Region:
      Depressed by 20% during local day.
      Depressed by 30% during local night.
      Depressed by 25% after local dawn.
   Northern Australian Region:
      Depressed by 30% during local day.
      Depressed by 40% during local night.
      Depressed by 20% after local dawn.
   Southern Australian and New Zealand Region:
      Depressed by 25% during local day.
      Depressed by 25% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

25 Jun 
Solar:        very low
Geomagnetic:  Quiet
Frequencies:  
   Cocos Island Region:
      Depressed by 15% during local day.
      Depressed by 30% during local night.     
   Niue Island Region:
      Depressed by 20% during local day.
      Depressed by 20% during local night.
   Northern Australian Region:
      Depressed by 30% during local day.
      Depressed by 45% during local night.
   Southern Australian and New Zealand Region:
      Depressed by 25% during local day.
      Depressed by 20% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Depressed by 20% over the UT day.

26 Jun 
Solar:        low
Geomagnetic:  Quiet
Frequencies:  
   Cocos Island Region:
      Depressed by 25% during local day.
      Depressed by 20% during local night.     
   Niue Island Region:
      Depressed by 35% during local day.
      Depressed by 30% during local night.
   Northern Australian Region:
      Depressed by 30% during local day.
      Depressed by 40% during local night.
   Southern Australian and New Zealand Region:
      Depressed by 25% during local day.
      Near predicted monthly values during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

 
2. FORECAST (27 JUNE - 03 JULY)
Solar: 
Mostly low activity.

Geomagnetic:  
Mostly Quiet. Possible minor disturbances 28-29 June due to a coronal hole wind
stream.

Frequencies:  

Frequencies:  
MUFs are expected to be 10-30% lower than 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
PO Box 1386                         WWW: http://www.ips.gov.au
Haymarket NSW 1240  AUSTRALIA       FTP: ftp://ftp.ips.gov.au 
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