[Ips-dhfpr] IPS Daily HF Prop Report - 25 August 01

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 25/2330Z AUGUST 2001 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (25 AUGUST) 
Date   T index  Conditions    
25 Aug   108    Normal         

Flares    Max     Fadeout    Freq.  Sectors
 X5/3B    1645UT  probable   all    South American/
                                    Atlantic

MUFs:
   Equatorial PNG Region:
     Enhanced by 45% during local day,
     Depressed by 15% during local night.
  Northern Australian Region:
     Near predicted monthly values during local day,
     Enhanced by 15% during local night.
  Southern Australian and New Zealand Region:
     Near predicted monthly values.
  Antarctic Region (Casey/Scott Base):
     Enhanced by 45% over the UT day.


Predicted Monthly T index for August: 109
2. FORECAST (26 AUGUST - 28 AUGUST)
Date   T index  Conditions       MUFs                              
26 Aug   110    Normal-Fair     Near predicted monthly values 
27 Aug   100    Fair-Poor       Near predicted monthly values/depressed 15%     
28 Aug    80    Fair            Depressed 15% after local dawn, 
                                then recovering    
COMMENT: IPS HF Communications Warning 42 was issued on 24 August 
and is current for interval 25-28 August (SWFs) . Degraded HF 
conditions are expected local night on 27 Aug, with depressed 
MUFs likely after local dawn on 28 Aug. 

IPS Radio and Space Services      | email: asfc at ips.gov.au
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