[Ips-whfpr] IPS Weekly Prop. Report (16 April 03)

[rwc]

SUBJ: IPS WEEKLY HF PROPAGATION REPORT
ISSUED AT 16/0200Z APRIL 2003 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (09 APRIL - 15 APRIL)
Date   T index   Conditions        
09 Apr   89      Normal-fair       
MUFS:
   Equatorial PNG Region:
      Enhanced by 15% during local day,
      Near predicted monthly values during local night.
      Enhanced by 40% after local dawn.
   Northern Australian Region:
      Enhanced by 20% during local day,
      Near predicted monthly values during local night.
      Enhanced by 35% after local dawn.
   Southern Australian and New Zealand Region:
      Enhanced by 20% during local day,
      Near predicted monthly values during local night.
   Antarctic Region (Casey/Scott Base):
      Enhanced by 25% over the UT day.


10 Apr   90      Fair-normal       
MUFS:
   Equatorial PNG Region:
      Mostly near predicted monthly values,
   Northern Australian Region:
      Mostly near predicted monthly values,
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
      Enhanced by 15% during local night.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values over the UT day.


11 Apr   81      Normal            
MUFS:
   Equatorial PNG Region:
     Enhanced by 15% during local day,
     Enhanced by 30% during local night.
  Northern Australian Region:
     Enhanced by 15% during local day,
     Near predicted monthly values during local night.
  Southern Australian and New Zealand Region:
     Near predicted monthly values.
  Antarctic Region (Casey/Scott Base):
     Near predicted monthly values over the UT day.


12 Apr   74      Normal            
MUFS:
   Equatorial PNG Region:
      Mostly near predicted monthly values,
      Enhanced by 20% after local dawn.
   Northern Australian Region:
      Mostly near predicted monthly values,
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values over the UT day.


13 Apr   83      Normal            
MUFS:
   Equatorial PNG Region:
      Mostly near predicted monthly values,
      Enhanced by 25% after local dawn.
   Northern Australian Region:
      Mostly near predicted monthly values,
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base):
      Enhanced by 15% over the UT day.


14 Apr   86      Normal            
MUFS:
   Equatorial PNG Region:
      Enhanced by 15% during local day,
      Enhanced by 20% during local night.
   Northern Australian Region:
      Enhanced by 15% during local day,
      Near predicted monthly values during local night.
   Southern Australian and New Zealand Region:
      Enhanced by 15% during local day,
      Near predicted monthly values during local night.
   Antarctic Region (Casey/Scott Base):
      Enhanced by 40% over the UT day.


15 Apr   98      Normal-fair       
MUFS:
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      No data available during local night.
   Northern Australian Region:
      Enhanced by 15% during local day,
      Near predicted monthly values during local night.
   Southern Australian and New Zealand Region:
      Enhanced by 15%.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values over the UT day.


Predicted Monthly T index for April:  77
2. FORECAST (16 APRIL - 22 APRIL) 
MUFS: mild depressions possible after local dawn 16-18 April. Northern Aus region
MUFs expected to be near normal.
Propagation conditions: Fair 16-18 April, otherwise normal.
T index:   70
COMMENT: IPS HF Communications Warning 27 was issued on 14 April and is current for 
interval  16-17 April. 
3. OUTLOOK (23 APRIL - 23 MAY)
Degraded HF propagation conditions possible:
23-Apr to 27-Apr,01-May to 02-May,06-May to 11-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