[Ips-whfpr] IPS Weekly Prop. Report (09 April 03)

[rwc]

SUBJ: IPS WEEKLY HF PROPAGATION REPORT
ISSUED AT 09/0200Z APRIL 2003 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (02 APRIL - 08 APRIL)
Date   T index   Conditions        
02 Apr   96      Normal            
MUFS:
   Equatorial PNG Region:
      Mostly near predicted monthly values,
      Enhanced by 50% after local dawn.
   Northern Australian Region:
      Enhanced by 20% during local day,
      Near predicted monthly values during local night.
      Enhanced by 45% after local dawn.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base):
      Enhanced by 15% during the early hours,
      depressed and mild to strongly degraded conditions
      in the second half of the day. 

03 Apr   92      Normal-fair       
MUFS:
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      Enhanced by 15% during local night.
      Enhanced by 20% after local dawn.
   Northern Australian Region:
      Enhanced by 20% during local day,
      Enhanced by 15% during local night.
      Enhanced by 20% after local dawn.
   Southern Australian and New Zealand Region:
      Near predicted monthly values with periods
      of depressions.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values over the UT day 
      with periods of mild to moderate degradations
      and depressions.

04 Apr   94      Normal            
MUFS:
   Equatorial PNG Region:
      Mostly near predicted monthly values,
      Enhanced by 45% after local dawn.
   Northern Australian Region:
      Mostly near predicted monthly values,
      Enhanced by 40% after local dawn.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base):
      Enhanced by 20% over the UT day with
      periods of depressions and degradations.

05 Apr   93      Normal            
MUFS:
   Equatorial PNG Region:
      Enhanced by 25% during local day,
      Near predicted monthly values during local night.
      Enhanced by 25% after local dawn.
   Northern Australian Region:
      Mostly near predicted monthly values,
      Enhanced by 20% after local dawn.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values over the UT day
      with periods of mild to moderate depressions
      and degradations. 

06 Apr   95      Normal            
MUFS:
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      Enhanced by 25% during local night.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Enhanced by 15% during local day,
      Near predicted monthly values during local night.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values over the UT day with
      periods of depressions and degradations. 

07 Apr  102      Normal            
MUFS:
   Equatorial PNG Region:
      Mostly near predicted monthly values,
      Enhanced by 30% after local dawn.
   Northern Australian Region:
      Mostly near predicted monthly values,
      Enhanced by 25% after local dawn.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values with
      periods of slight enhancements and
      minror to mild depressions and degradations. 

08 Apr   97      Normal            
MUFS:
   Equatorial PNG Region:
      Near predicted monthly values.
   Northern Australian Region:
      Enhanced by 15% during local day,
      Near predicted monthly values during local night.
      Enhanced by 20% after local dawn.
   Southern Australian and New Zealand Region:
      Mostly near predicted monthly values,
      Enhanced by 20% after local dawn.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values over the UT day
      with periods of depressions and degradations. 


Predicted Monthly T index for April:  77
2. FORECAST (09 APRIL - 15 APRIL) 
MUFS: depressed 5 to 10% on 10-Apr, depressed 5 to 15% from
      11 to 15-Apr.
Propagation conditions: Normal to Fair 10 to 15-Apr.  SWFs unlikely.
T index:   90
COMMENT: IPS HF Communications Warning 26 was issued on 
8 April and is current for interval  11-12 April. 
3. OUTLOOK (16 APRIL - 16 MAY)
Degraded HF propagation conditions possible:
16-Apr to 17-Apr, 23-Apr to 02-May, 06-May to 14-May

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.

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