[Ips-dhfpr] IPS Daily HF Prop Report - 12 September 03

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 12/2330Z SEPTEMBER 2003 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (12 SEPTEMBER) 
Date   T index  Conditions    
12 Sep    55    Normal         

Flares: none.

MUFs:
   Equatorial PNG Region:
      Enhanced by 15% 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:
      Mostly near predicted monthly values,
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values over the UT day.
      Spreead F observed.


PCA Event : No event.

Predicted Monthly T index for September:  57
2. FORECAST (13 SEPTEMBER - 15 SEPTEMBER)
Date   T index  Conditions       MUFs                              
13 Sep    55    Normal           depressed 10 to 15%/near predicted 
                                 monthly values 
14 Sep    65    Normal-Fair      near predicted monthly values     
15 Sep    50    Fair-Normal      depressed 10 to 15%/near predicted 
                                 monthly values    
COMMENT: Some southern region sites may experience 10-15% depressed 
MUFs at times today. Northern Aus region MUFs expected to be 
near to 15% above predicted monthly values.A trend of improving 
HF conditions is expected for today, before a return to midly 
degraded conditions 14-15 Sep, southern Aus/NZ region only, due 
the the expected arrival of a weak mass ejection from two recently 
erupting solar filaments. 

IPS Radio and Space Services      | email: asfc at ips.gov.au
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Haymarket NSW 1240  AUSTRALIA     | FTP: ftp://ftp.ips.gov.au 
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