[Ips-whfpr] IPS Weekly Prop. Report (28 April 04)

[rwc]

SUBJ: IPS WEEKLY HF PROPAGATION REPORT
ISSUED AT 28/0200Z APRIL 2004 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (21 APRIL - 27 APRIL)
Date   T index   Conditions        
21 Apr   60      Normal            
MUFS:
near predicted monthly values


22 Apr   61      Normal            
MUFS:
near predicted monthly values


23 Apr   79      Normal            
MUFS:
   Equatorial PNG Region:
      Enhanced by 15% during local day,
      Enhanced by 30% during local night
      and after local dawn.
   Northern Australian Region:
      Enhanced by 15% during local day,
      Near predicted monthly values during local night.
      Enhanced by 25% after local dawn.
   Southern Australian and New Zealand Region:
      Enhanced by 15% during local day,
      Enhanced by 25% during local night.
   Antarctic Region (Casey/Scott Base):
      Mostly enhanced with isolated localised
      disturbances. 


24 Apr   72      Normal            
MUFS:
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      Enhanced by 30% during local night.
   Northern Australian Region:
      Near predicted monthly values during local day,
      Enhanced by 20% during local night.
   Southern Australian and New Zealand Region:
      Enhanced by 15% over the UT day.
   Antarctic Region (Casey/Scott Base):
      Mostly enhanced with isolated localised
      disturbances.


25 Apr   67      Normal            
MUFS:
   Equatorial PNG Region:
      Mostly near predicted monthly values,
   Northern Australian Region:
      Near predicted monthly values during local day,
      Enhanced by 25% during local night.
   Southern Australian and New Zealand Region:
      Enhanced by 15% during local day,
      Enhanced by 30% during local night.
   Antarctic Region (Casey/Scott Base):
      Mostly enhanced over the UT day with 
      variable localised disturbances.


26 Apr   60      Normal            
MUFS:
near predicted monthly values


27 Apr   54      Normal            
MUFS:
near predicted monthly values


Predicted Monthly T index for April:  45
2. FORECAST (28 APRIL - 04 MAY) 
MUFS: 
Mildy depressed after local dawn on 02 and 04 May, 
depressed 15% on 03-May,  otherwise MUFs near normal. 
No SWFs.

Propagation conditions: 
Fair 02-May Fair-Poor 03-May 
Fair 04-May , otherwise normal. No SWFs

T index:   55

3. OUTLOOK (05 MAY - 04 JUNE)
Degraded HF propagation conditions possible:
05-May to 06-May,20-May,29-May to 01-Jun.

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.

For an explanation of some of the terms in this report, goto
http://www.ips.gov.au, and follow links to Educational->
Gloassary 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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