[Ips-whfpr] IPS Weekly Prop. Report (11 November 09)

rwc rwc at ips.gov.au
Wed Nov 11 12:14:50 EST 2009


SUBJ: IPS WEEKLY HF PROPAGATION REPORT
ISSUED AT 11/0200Z NOVEMBER 2009 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (04 NOVEMBER - 10 NOVEMBER)
Date   T index   Conditions        
04 Nov  -20      Fair-normal       
MUFS:
   Cocos Island Region:
      Near predicted monthly values with depressions to 30%
      02-06 and 13-21 UT.
   Niue Island Region:
      15-40% depressed with occasional blanketing sporadic E
      02-05 UT.
   Northern Australian Region:
      Near predicted monthly values with depressions to 25%
      00-01, 12-19 and 21-22 UT.
   Southern Australian and New Zealand Region:
      Near predicted monthly values with depressions to 25%
      mostly 00-07 UT. Further depressions to 25% at
      Brisbane, Norfolk Is. and Learmonth 10-22 UT.
      Enhancements to 30% 17-19 UT at Canberra and Sydney.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values with depressions to 35%
      mostly 11-21 UT at Casey, Davis and Macquarie Is. Near
      predicted monthly values at Scott Base with 30%
      enhancements 09-17 UT.

05 Nov  -13      Fair-normal       
MUFS:
   Cocos Island Region:
      Near predicted monthly values. Depressions to 30%
      01-05 and 13-19 UT.
   Niue Island Region:
      Near predicted monthly values. Depressions to 20%
      06-12 and 18-19 UT. Enhancements to 30% 22-23 UT.
   Northern Australian Region:
      Near predicted monthly values. Depressions to 30%
      00-05 and 22-23 UT.
   Southern Australian and New Zealand Region:
      Near predicted monthly values. Depressions to 25%
      00-08 and 12-19 UT.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values. Depressions to 40% at
      Macquarie Is. and Casey 10-19 UT.

06 Nov  -19      Normal-fair       
MUFS:
   Cocos Island Region:
      Near predicted monthly values during local day,
      Depressed by 20% during local night.
   Niue Island Region:
      Mostly near predicted monthly values.
      Depressed by 20% after local dawn.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Depressed by 20% during local night.
      Depressed by 20% after local dawn.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values.

07 Nov  -13      Normal-fair       
MUFS:
   Cocos Island Region:
      Near predicted monthly values during local day,
      Depressed by 20% during local night.
   Niue Island Region:
      Depressed by 15% during local day.
      Near predicted monthly values during local night.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Depressed by 15% during local night.
      Depressed by 20% after local dawn.
   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.

08 Nov  -23      Fair-normal       
MUFS:
   Cocos Island Region:
      Near predicted monthly values. Depressions to 30%
      01-08 UT, enhancements to 30% 20-23 UT.
   Niue Island Region:
      Near predicted monthly values with depressions to 35%
      06-23 UT.
   Northern Australian Region:
      Near predicted monthly values with depressions to 30%
      00-07 UT, 21-23 UT and also 13-17 UT at Darwin.
   Southern Australian and New Zealand Region:
      Near predicted monthly values with depressions to 30%
      00-07, 19-23 UT and also 09-16 UT at Brisbane and
      Norfolk Is.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values with depressions to 25%
      07-16 and 19-23 UT.

09 Nov  -32      Normal-fair       
MUFS:
   Cocos Island Region:
      Near predicted monthly values during local day,
      Depressed by 30% during local night.
   Niue Island Region:
      Depressed by 25% during local day,
      Depressed by 35% during local night.
      Depressed by 30% after local dawn.
   Northern Australian Region:
      Depressed by 15% during local day,
      Near predicted monthly values during local night.
   Southern Australian and New Zealand Region:
      Depressed by 20% during local day,
      Near predicted monthly values during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Depressed by 20% over the UT day.

10 Nov  -25      Normal-fair       
MUFS:
   Cocos Island Region:
      Depressed by 20% during local day,
      Depressed by 25% during local night.
   Niue Island Region:
      Near predicted monthly values during local day,
      Depressed by 35% during local night.
      Depressed by 30% after local dawn.
   Northern Australian Region:
      Depressed by 20% 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):
      Depressed by 15% over the UT day.

Predicted Monthly T index for November:   1
2. FORECAST (11 NOVEMBER - 17 NOVEMBER) 
MUFS: MUFs near predicted monthly values to depressed 20%
Propagation conditions: Normal to fair. No SWFs
T index:   -20

3. OUTLOOK (18 NOVEMBER - 18 DECEMBER)
Degraded HF propagation conditions possible:
Minor degradations possible throughout this period.
Minor to mild degradations possible from 18 to 20 November and on 26 November.

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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