[Ips-dhfpr] IPS Daily HF Prop Report - 12 November 00

[Regional Warning Centre]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 12/2330Z NOVEMBER 2000 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (12 NOVEMBER) 
Date   T index  Conditions    
12 Nov    94    Poor-normal    

Flares: none.

MUFs:
   Equatorial PNG Region:
      Near predicted monthly values.
   Northern Australian Region:
      Depressed by 15-30% during local day,
      Near predicted monthly values during local night.
   Southern Australian and New Zealand Region:
      Depressed by 15-40% during local day,
      Near predicted monthly values during local night.
   Antarctic Region (Casey/Scott Base):
      Mostly near predicted monthly values.


Predicted Monthly T index for November: 133
2. FORECAST (13 NOVEMBER - 15 NOVEMBER)
Date   T index  Conditions       MUFs                              
13 Nov   115    Normal-Fair      depressed 10 to 20%/near predicted 
                                 monthly values 
14 Nov   130    Normal           depressed 5 to 15%/near predicted 
                                 monthly values     
15 Nov   135    Normal           near predicted monthly values    
COMMENT: IPS HF Communications Warning 77 was issued on 11 November 
and is current for interval 11-13 November. Degraded HF conditions 
were observed for mid-latitudes with depressions greater than 
30% at times. Depressions of 10-20% are possible for 13 November 
due to recent geomagnetic activity. Proton flux levels continue 
to decline and absorption in the polar cap regions is abating. 


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