[Ips-whfpr] IPS Weekly Prop. Report (01 September 04)
rwc
rwc at ips.gov.au
Wed Sep 1 11:39:35 EST 2004
SUBJ: IPS WEEKLY HF PROPAGATION REPORT
ISSUED AT 01/0200Z SEPTEMBER 2004 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (25 AUGUST - 31 AUGUST)
Date T index Conditions
25 Aug 50 Normal
MUFS:
Equatorial PNG Region:
Enhanced by 15% during local day,
Enhanced by 40% 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 20% during local night.
Antarctic Region (Casey/Scott Base):
Enhanced by 55% over the UT day.
26 Aug 56 Normal
MUFS:
Equatorial PNG Region:
Enhanced by 20% during local day,
Enhanced by 25% during local night.
Northern Australian Region:
Enhanced by 15% during local day,
Enhanced by 20% during local night.
Southern Australian and New Zealand Region:
Near predicted monthly values during local day,
Enhanced by 20% during local night.
Antarctic Region (Casey/Scott Base):
Enhanced by 35% over the UT day.
27 Aug 57 Normal
MUFS:
Equatorial PNG Region:
Near predicted monthly values.
Northern Australian Region:
Near predicted monthly values during local day,
Enhanced by 35% during local night.
Southern Australian and New Zealand Region:
Enhanced by 15% during local day,
Enhanced by 40% during local night.
Antarctic Region (Casey/Scott Base):
Enhanced by 25% over the UT day.
28 Aug 43 Normal
MUFS:
Equatorial PNG Region:
Near predicted monthly values during local day,
Enhanced by 15% 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 30% during local night.
Antarctic Region (Casey/Scott Base):
Enhanced by 25% over the UT day.
29 Aug 42 Normal
MUFS:
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 50% 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):
Enhanced by 20% over the UT day.
30 Aug 41 Normal-fair
MUFS:
Equatorial PNG Region:
Enhanced by 15% during local day,
Enhanced by 35% during local night.
Northern Australian Region:
Near predicted monthly values during local day,
Enhanced by 45% during local night.
Southern Australian and New Zealand Region:
Near predicted monthly values during local day,
Enhanced by 30% during local night.
Depressed by 30% after local dawn.
Antarctic Region (Casey/Scott Base):
Enhanced by 40% over the UT day.
31 Aug 4 Normal-fair
MUFS:
Equatorial PNG Region:
Depressed by 15% during local day,
Depressed by 25% during local night.
Northern Australian Region:
Near predicted monthly values.
Southern Australian and New Zealand Region:
Depressed by 35% during local day,
Near predicted monthly values during local night.
Antarctic Region (Casey/Scott Base):
Near predicted monthly values over the UT day.
Predicted Monthly T index for August: 39
2. FORECAST (01 SEPTEMBER - 07 SEPTEMBER)
MUFS: Mildy depressed after local dawn on 01-Sep and on 03-Sep,
otherwise MUFs near normal. SWFs possible early in week.
Propagation conditions: Fair 01-Sep Fair 03-Sep , otherwise normal.
SWfs possible early in week.
T index: 40
COMMENT: IPS HF Communications Warning 37 was issued on 31 August
and is current for interval 31 August to 1 September.
3. OUTLOOK (08 SEPTEMBER - 08 OCTOBER)
Degraded HF propagation conditions possible:
15-Sep to 19-Sep, 26Sep to 27Sep, 30-Sep, 06-Oct.
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
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