[Ips-wsgr] IPS Weekly Solar and Geophysical Report (20 August 04)

rwc rwc at ips.gov.au
Fri Aug 20 12:18:16 EST 2004


SUBJ: IPS WEEKLY SOLAR AND GEOPHYSICAL REPORT 
ISSUED ON 20 AUGUST 2004, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (13 AUGUST - 19 AUGUST)
Date     13    14    15    16    17    18    19
10cm    149   149   139   134   135   140   121
AFr       5     6     3     5     9    10 (  8)
Aaus      5     6     1     3     9     6 (  4)
T        56    68    68    68    80    75    62

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

13 Aug 
Solar:        high, with an M1/1F at 0729UT, an M1/1F at 1209UT, 
	an X1.0/1N at 1812UT, an M3 at 2343UT, and an M2/SF at 
	2350UT
Geomagnetic:  Quiet 
Frequencies:  
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      Enhanced by 35% during local night.
   Northern Australian Region:
      Near predicted monthly values during local day,
      Enhanced by 25% during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
      Enhanced by 15% during local night.
      Enhanced by 20% after local dawn.
   Antarctic Region (Casey/Scott Base):
      Mostly near predicted monthly values.

14 Aug 
Solar:        high, with an M2/SF at 0414UT, an M7.4/2N at 0544UT, 
	an M2/1F at 0756UT, an M3/1F at 1007UT, an M5.6/2N at 
	1343UT, an M1 at 1818UT, and an M1 at 2016UT
Geomagnetic:  Quiet to Unsettled 
Frequencies:  
   Equatorial PNG Region:
      Enhanced by 25% during local day,
      Enhanced by 65% during local night.
   Northern Australian Region:
      Near predicted monthly values during local day,
      Enhanced by 15% during local night.
   Southern Australian and New Zealand Region:
      Enhanced by 15% during local day,
      Enhanced by 30% during local night.
      Enhanced by 25% after local dawn.
   Antarctic Region (Casey/Scott Base):
      Mostly near predicted monthly values.

15 Aug 
Solar:        high, with an M1/SF at 0506UT, an M1/SF at 0600UT, 
	an M2/2F at 1132UT, an M9.4/1N at 1241UT, and an M1 at 
	1845UT
Geomagnetic:  Quiet 
Frequencies:  
   Equatorial PNG Region:
      Enhanced by 30% during local day,
      Enhanced by 70% during local night.
   Northern Australian Region:
      Near predicted monthly values during local day,
      Enhanced by 15% during local night.
      Enhanced by 20% after local dawn.
   Southern Australian and New Zealand Region:
      Enhanced by 15% during local day,
      Enhanced by 20% during local night.
      Enhanced by 25% after local dawn.
   Antarctic Region (Casey/Scott Base):
      Enhanced by 45% over the UT day.

16 Aug 
Solar:        moderate, with an M1/SF at 0347UT, and an M1/1F at 
	2244UT
Geomagnetic:  Quiet 
Frequencies:  
   Equatorial PNG Region:
      Enhanced by 25% during local day,
      Enhanced by 50% during local night.
   Northern Australian Region:
      Mostly near predicted monthly values,
      Enhanced by 20% after local dawn.
   Southern Australian and New Zealand Region:
      Enhanced by 20% during local day,
      Enhanced by 25% during local night.
      Enhanced by 25% after local dawn.
   Antarctic Region (Casey/Scott Base):
      Mostly near predicted monthly values.

17 Aug 
Solar:        moderate, with an M1/SF at 0506UT, an M2 at 1937UT, 
	an M1 at 2121UT, and an M1 at 2228UT
Geomagnetic:  Quiet to Active 
Frequencies:  
about 20% above predicted monthly values

18 Aug 
Solar:        high, with an X1.8/SF at 1740UT
Geomagnetic:  Quiet to Unsettled 
Frequencies:  
   Equatorial PNG Region:
      Enhanced by 20% during local day,
      Enhanced by 50% during local night.
      Enhanced by 25% after local dawn.
   Northern Australian Region:
      Enhanced by 30% during local day,
      Enhanced by 20% during local night.
   Southern Australian and New Zealand Region:
      Enhanced by 20% during local day,
      Enhanced by 25% during local night.
      Enhanced by 25% after local dawn.
   Antarctic Region (Casey/Scott Base):
      Enhanced by upto 25% with periods of minor
      to moderate depressions and degradations.

19 Aug 
Solar:        moderate, with an   M3.0 at 0701UT , and an   M2.1 at 
	1351UT
Geomagnetic:  Quiet to unsettled 
Frequencies:  
   Equatorial PNG Region:
      Enhanced by 30% during local day,
      Enhanced by 40% during local night.
   Northern Australian Region:
      Near predicted monthly values during local day,
      Enhanced by 25% during local night.
   Southern Australian and New Zealand Region:
      Enhanced by 20% during local day,
      Enhanced by 35% during local night.
      Enhanced by 20% after local dawn.
   Antarctic Region (Casey/Scott Base):
      Enhanced by upto 40% with periods of depressions
      and degradations.
 
2. FORECAST (20 AUGUST - 26 AUGUST)
Solar: Low to Moderate.

Geomagnetic:  Mostly Quiet to Unsettled with Active level 
	intervals possible.

Frequencies:  minor depressions possible on 20 and 21 Aug., 
		otherwise MUFs near normal. SWFs possible any 
		day in the week.

PLEASE NOTE: 
At this time of the solar cycle, space weather conditions
are frequently determined by short timescale events, not
able to be forecasted a week in advance.

For an explanation of some of the terms in this report, goto
http://www.ips.gov.au, and follow links to Educational->
Gloassary 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 
tel: +61 2 9213 8010              | fax: +61 2 9213 8060 

IMPORTANT: This e-mail, including any attachments, may contain,confidential
or copyright information.  The views expressed in this message are those of
the individual sender, unless specifically stated to be the views of IPS.
If you are not the intended recipient, please contact the sender immediately
and delete all copies of this e-mail and attachments. Occasionally IPS sends 
email promoting IPS products and services to its mailing list customers. 
If you do not wish to receive this promotional material please email 
no-spam at ips.gov.au with the subject header:UNSUBSCRIBE"





More information about the ips-wsgr mailing list