[Ips-whfpr] IPS Weekly Prop. Report (17 November 10)
rwc
rwc at ips.gov.au
Wed Nov 17 11:45:40 EST 2010
SUBJ: IPS WEEKLY HF PROPAGATION REPORT
ISSUED AT 17/0200Z NOVEMBER 2010 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (10 NOVEMBER - 16 NOVEMBER)
Date T index Conditions
10 Nov 23 Fair-normal
MUFS:
Cocos Island Region:
Near predicted monthly with depressions to 25%, 03-05
and 15-20 UT.
Niue Island Region:
Near predicted monthly values.
Northern Australian Region:
Near predicted monthly values with depressions to 30%,
00-03 and 22-23 UT at Darwin and 00, 19 and 21-23 UT
at Townsville. Enhancements to 50% 10-14 UT at Darwin.
Southern Australian and New Zealand Region:
Near predicted monthly values with depressions to 20%
at Perth, 01-09 UT and 21-23 UT at Norfolk Is. Spread
F at Hobart 10-19 UT.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted monthly values with depressions to 25%,
15-17 UT at Macquarie Is. and 30% 22-23 UT at Scott
Base.
11 Nov 32 Fair-normal
MUFS:
Cocos Island Region:
Near predicted monthly values.
Niue Island Region:
Near predicted monthly values with depressions to 25%
18-21 UT.
Northern Australian Region:
Near predicted monthly values with depressions to 25%
19-20 UT at Darwin and to 35% 19-23 UT at Townsville.
Southern Australian and New Zealand Region:
Near predicted monthly values with depressions to 30%
19-23 UT at Brisbane and Norfolk Is. and 15-16 and 23
UT at Hobart. Night spread F observed at Hobart 14-18 UT.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted monthly values with depressions to 30%
mostly 06-22 UT.
12 Nov 23 Fair-normal
MUFS:
Cocos Island Region:
Near predicted monthly values. Enhancments to 25%
07-09 UT, depressions to 20% 15-18 UT.
Niue Island Region:
Near predicted monthly values with enhancements to 50%
02-08 and 11-17 UT.
Northern Australian Region:
Depressed to 40% 00-08 UT then near predicted monthly
values at Townsville. Near predicted monthly values
00-01 UT at Darwin; no data 02-23 UT.
Southern Australian and New Zealand Region:
Near predicted monthly values with depressions to 25%
00-08 UT Brisbane, Canberra, Sydney, 00-01 UT Norfolk
Is., 05-07, 13-20 UT at Hobart.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted monthly values with depressed to 25%
00-10, 16 UT at Casey.
13 Nov 6 Fair-normal
MUFS:
Cocos Island Region:
Near predicted monthly values with enhancements to 30%
06-11 UT
Niue Island Region:
Near predicted monthly values. Depressions to 25%
08-12 and 18-20 UT.
Northern Australian Region:
Near predicted monthly values. Depressions to 25%
01-03 and 06-07 UT at Darwin.
Southern Australian and New Zealand Region:
Near predicted monthly values with depressions to 25%
mostly 00-07 and 11-20 UT. Night spread F observed at
Hobart.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted monthly values with occasional
enhancments to 35% at Casey and depressions to 25%
01-07 and 12-16 UT at Macquarie Is.
14 Nov 10 Normal-fair
MUFS:
Cocos Island Region:
Near predicted monthly values.
Niue Island Region:
Near predicted monthly values during local day,
Depressed by 25% during local night.
Northern Australian Region:
Near predicted monthly values.
Southern Australian and New Zealand Region:
Near predicted monthly values.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Depressed by 15% over the UT day.
15 Nov -3 Normal-fair
MUFS:
Cocos Island Region:
Mostly near predicted monthly values,
Niue Island Region:
Depressed by 20% during local day,
Depressed by 25% during local night.
Northern Australian Region:
Near predicted monthly values.
Southern Australian and New Zealand Region:
Depressed by 20% during local day,
Depressed by 15% during local night.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Depressed by 20% over the UT day.
16 Nov 4 Normal
MUFS:
Cocos Island Region:
Near predicted monthly values.
Niue Island Region:
Depressed by 15% during local day,
Depressed by 25% during local night.
Northern Australian Region:
Near predicted monthly values during local day,
Depressed by 15% during local night.
Southern Australian and New Zealand Region:
Near predicted monthly values.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted monthly values over the UT day.
Predicted Monthly T index for November: 33
2. FORECAST (17 NOVEMBER - 23 NOVEMBER)
MUFS: MUFs near predicted monthly values.
Propagation conditions: Normal. No SWFs
T index: 33
COMMENT: IPS HF Communications Warning 25 was issued on 14 November and is
current for interval 15-17 November.
3. OUTLOOK (24 NOVEMBER - 24 DECEMBER)
Degraded HF propagation conditions possible:
No signficant degraded periods expected.
PLEASE NOTE:
Space weather conditions can frequently be determined by short
timescale events that cannot be forecast a week in advance,
particularly at solar maximum.
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
tel: +61 2 9213 8010 fax: +61 2 9213 8060
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