[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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