[Ips-wsgr] IPS Weekly Solar and Geophysical Report (19 May 06)

[rwc]

SUBJ: IPS WEEKLY SOLAR AND GEOPHYSICAL REPORT 
ISSUED ON 19 MAY 2006, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (12 MAY - 18 MAY)
Date     12    13    14    15    16    17    18
10cm     76    74    72    72    72    72    73
AFr      10     9     6     3     0     4 ( 12)
Aaus     11     7     6     3     2     3 ( 11)
T        26    31    27    23    18    24    19

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

12 May 
Solar:        very low
Geomagnetic:  Quiet to Unsettled 

Frequencies:  
near predicted monthly values

13 May 
Solar:        very low
Geomagnetic:  Quiet to Unsettled 

Frequencies:  
near predicted monthly values

14 May 
Solar:        very low
Geomagnetic:  Quiet to Unsettled 

Frequencies:  
near predicted monthly values

15 May 
Solar:        very low
Geomagnetic:  Quiet 

Frequencies:  
near predicted monthly values

16 May 
Solar:        very low
Geomagnetic:  Quiet 

Frequencies:  
near predicted monthly values

17 May 
Solar:        very low
Geomagnetic:  Quiet 

Frequencies:  
   Equatorial PNG/Niue Region:
      Near predicted monthly values.
   Northern Australian Region:
      Depressed by 15% during local day,
      Near predicted monthly values during local night.
   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 30% over the UT day.

18 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.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Enhanced by 65% over the UT day.

 
2. FORECAST (19 MAY - 25 MAY)
Solar: 
Solar activity is expected to range from Very Low to Low. There
are currently no active regions on disk, but it is possible
returning region 875, which is due to appear in the next few days,
may bring with it an increase in solar activity as it was the
source of M-class events on its last transit.

Geomagnetic:  
Quiet to Unsettled conditions expected, with isolated Active periods
early in this forcast week - as solar wind parameters remain
elevated due to a geoeffective coronal hole.

Frequencies:  
MUFs near predicted monthly values, with some depressed periods
and disturbed ionospheric conditions possible for mid-high
latitudes early in the week. No SWF expected.

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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