[Ips-whfpr] IPS Weekly Prop. Report (01 November 00)

[Regional Warning Centre]

SUBJ: IPS WEEKLY HF PROPAGATION REPORT
ISSUED AT 01/0200Z NOVEMBER 2000 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (25 OCTOBER - 31 OCTOBER)
Date   T index   Conditions        
25 Oct  131      Normal            
MUFS:
   Equatorial PNG Region:
      Enhanced by 20 to 30% overnight,
      Mostly near predicted monthly values during the day,
   Northern Australian Region:
      Slightly enhanced overnight,
      Mostly near predicted monthly values during the day,
   Southern Australian and New Zealand Region:
      Depressed by 10 to 20% during the day,
      Mostly near predicted monthly values overnight,
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values over the UT day.


26 Oct  138      Normal            
MUFS:
   Equatorial PNG Region:
      Enhanced by 10 to 20% during local night,
      Mostly near predicted monthly values the rest of day,
   Northern Australian Region:
      Depressed by 5 to 15% during day light hours,
      Enhanced by 5 to 30% during local night,
   Southern Australian and New Zealand Region:
      Depressed by 5 to 10% during day light hours, 
      Enhanced by 5 to 10% during local night, 
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values over the UT day.


27 Oct  155      Normal            
MUFS:
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      Enhanced by 15% during local night.
   Northern, Southern Australian and New Zealand Regions:
      Mostly near predicted monthly values,
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values over the UT day.


28 Oct  148      Normal            
MUFS:
   Equatorial PNG Region:
      Mostly near predicted monthly values,
   Northern, Southern Australian and New Zealand Regions:
      Mostly near predicted monthly values,
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values over the UT day.


29 Oct  134      Normal-fair       
MUFS:
   Equatorial PNG and Northern Australian Regions:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
      Depressed by 15% during local night.
   Antarctic Region (Casey/Scott Base):
      Depressed by 15% over the UT day.


30 Oct  150      Normal            
MUFS:
   Equatorial PNG and Northern Australian Regions:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Mostly near predicted monthly values,
      Depressed by 15% after local dawn.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values over the UT day.


31 Oct  142      Normal            
MUFS:
   Equatorial PNG Region:
      Enhanced by 15% during local day,
      Near predicted monthly values during local night.
   Northern Australian Region:
      Mostly near predicted monthly values,
   Southern Australian and New Zealand Region:
      Depressed by 5 to 10% after local dawn,
      Mostly near predicted monthly values during loval night,
   Antarctic Region (Casey/Scott Base):
      Depressed by 15% over the UT day.


Predicted Monthly T index for October: 135
2. FORECAST (01 NOVEMBER - 07 NOVEMBER) 
MUFS: Possibly mildy depressed on 1 NOV, mostly near normal
Propagation conditions: Mild degradations on 1 NOV, mostly near normal

COMMENT: IPS HF Communications Warning 73 was issued on 29 October
	 and is current for interval 31 October to 1 November. 
3. OUTLOOK (08 NOVEMBER - 08 DECEMBER)
Degraded HF propagation conditions possible:
08-13 Nov, anticipated recurrent coronal hole
17-25 Nov, anticipated recurrent coronal hole
05-10 Nov, anticipated recurrent coronal hole

PEASE 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.


IPS Radio and Space Services      | email: asfc at ips.gov.au
PO Box 1386                       | WWW: http://www.ips.gov.au/asfc
Haymarket NSW 1240  AUSTRALIA     | FTP: ftp://ftp.ips.gov.au/users/asfc/ 
tel: +61 2 9213 8010              | fax: +61 2 9213 8060