[Ips-wsgr] IPS Weekly Solar and Geophysical Report (23 May 08)

[rwc]

SUBJ: IPS WEEKLY SOLAR AND GEOPHYSICAL REPORT 
ISSUED ON 23 MAY 2008, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (16 MAY - 22 MAY)
Date     16    17    18    19    20    21    22
10cm     72    71    72    69    69    69    69
AFr       3     1     2     5     7     9 ( 10)
Aaus      5     2     4     7     8    12 (  8)
T        14    11     7    16    10    14     7

Solar:        Solar flare activity
Geomagnetic:  Geomagnetic activity observed for Australian Region.
Frequencies:  Australian Ionospheric F2 critical frequencies

16 May 
Solar:        very low
Geomagnetic:  Quiet 
Frequencies:  
   Equatorial PNG/Niue Region:
      Enhanced by 25% during local day,
      Near predicted monthly values during local night.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
      Enhanced by 30% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Enhanced by 30% over the UT day.

17 May 
Solar:        very low
Geomagnetic:  Quiet 
Frequencies:  
   Equatorial PNG/Niue Region:
      Near predicted monthly values.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Enhanced by 15% over the UT day.

18 May 
Solar:        very low
Geomagnetic:  Quiet 
Frequencies:  
   Equatorial PNG/Niue Region:
      Near predicted monthly values.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
      Enhanced by 20% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Enhanced by 30% over the UT day.

19 May 
Solar:        very low
Geomagnetic:  Quiet to Unsettled 
Frequencies:  
   Equatorial PNG/Niue Region:
      Mostly 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 50% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Enhanced by 30% over the UT day.

20 May 
Solar:        very low
Geomagnetic:  Quiet to Unsettled 
Frequencies:  
   Equatorial PNG/Niue Region:
      Near predicted monthly values.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
      Enhanced by 35% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values for most part of the day
      with enhancements upto 45% at times on some
      locations.

21 May 
Solar:        very low
Geomagnetic:  Quiet to Unsettled 
Frequencies:  
   Equatorial PNG/Niue Region:
      Near predicted monthly values during local day,
   Northern Australian Region:
      Near predicted monthly values during local day,
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values with some periods of 
      enhancements upto 35% and some period of significant
      degradations. 

22 May 
Solar:        very low
Geomagnetic:  Moslty quiet to unsettled with isolated active 
              periods. 
Frequencies:  
   Equatorial PNG/Niue Region:
      Enhanced by 15% during local day with some periods of
      depressions, 
      Near predicted monthly values during local night.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
      Enhanced at times by 30% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Conditions remained unstable. Periods of enhancement,
      depressions and degradations observed. 

 
2. FORECAST (23 MAY - 29 MAY)
Solar: 
Very low

Geomagnetic:  
Quiet to unsettled on 23 May, otherwise mostly quiet.

Frequencies:  
MUFs near predicted monthly values.

For an explanation of some of the terms in this report, goto
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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