[Ips-dhfpr] IPS Daily HF Prop Report - 05 November 01

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 05/2330Z NOVEMBER 2001 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (05 NOVEMBER) 
Date   T index  Conditions    
05 Nov   161    Normal-fair    

Flares    Max     Fadeout    Freq.  Sectors
  M1.9    0251UT  possible   lower  E. Asia/Aust.
  M1.2    0857UT  possible   lower  Mid East/Indian
  M2.3    0915UT  possible   lower  Mid East/Indian
  M1.2    1539UT  possible   lower  South American/
                                    Atlantic

MUFs:
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      Enhanced by 25% during local night.
   Northern Australian Region:
      Enhanced by 15% during local day,
      Enhanced by 40% during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
      Enhanced by 30% during local night.
   Antarctic Region (Casey/Scott Base):
      Absorption due to PCA.


Predicted Monthly T index for November: 109
2. FORECAST (06 NOVEMBER - 08 NOVEMBER)
Date   T index  Conditions       MUFs                              
06 Nov   100    Fair-Poor        Initially midly depressed (southern 
                                 region) to 15% enhanced (northern 
                                 region), strong depression expected 
                                 second half of UT day. 
07 Nov    80    Poor-Fair        30 to 50% below predicted monthly 
                                 values     
08 Nov   120    Normal-Fair      Near predicted monthly values    
COMMENT: IPS HF Communications Warning 70 was issued on 5 November 
and is current for interval 6 November only. Strongly depressed 
and degraded HF conditions are now expected from mid 06 Nov for 
all sites due to recent X1 flare/CME. A milder degradation 
for southern region Aus has been observed after local dawn this 
morning. 

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