[Ips-dhfpr] IPS Daily HF Prop Report - 23 November 01

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 23/2330Z NOVEMBER 2001 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (23 NOVEMBER) 
Date   T index  Conditions    
23 Nov   119    Normal-fair    

Flares:None 

MUFs:
   Equatorial PNG Region:
      Near predicted monthly values.
   Northern Australian Region:
      Depressed by 15% to near predicted monthly values.
   Southern Australian and New Zealand Region:
      Depressed by 15% to near predicted monthly values.
   Antarctic Region (Casey/Scott Base):
      Absorption observed for much of the UT day.


Predicted Monthly T index for November: 109
2. FORECAST (24 NOVEMBER - 26 NOVEMBER)
Date   T index  Conditions       MUFs                              
24 Nov    90    Normal-Fair      about 15% below predicted monthly 
                                 values 
25 Nov    70    Poor             10 to 30% below predicted monthly 
                                 values     
26 Nov    50    Poor-Fair        30 to 40% below predicted monthly 
                                 values    
COMMENT: IPS HF Communications Warning 75 was issued on 23 November 
and is current for interval 24-27 November. MUFs were unexpectedly 
mildly depressed yesterday, after the recent run of enhanced 
conditions. Depressions of 20% have been observed after local 
dawn this morning, at some southern region sites. Strongly 
degraded/depressed HF conditions expected 25-26 Nov. 

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