[Ips-dhfpr] IPS Daily HF Prop Report - 21 November 01

rwc rwc at ips.gov.au
Thu Nov 22 10:18:09 EST 2001


SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 21/2330Z NOVEMBER 2001 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (21 NOVEMBER) 
Date   T index  Conditions    
21 Nov   186    Normal         

Flares: none.

MUFs:
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      Enhanced by 20% during local night.
   Northern Australian Region:
      Near predicted monthly values during local day,
      Enhanced by 35% during local night.
   Southern Australian and New Zealand Region:
      Enhanced by 20-25%.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values over the UT day.


Predicted Monthly T index for November: 109
2. FORECAST (22 NOVEMBER - 24 NOVEMBER)
Date   T index  Conditions       MUFs                              
22 Nov   180    Normal           about 20% above predicted monthly 
                                 values 
23 Nov   180    Normal           about 20% above predicted monthly 
                                 values     
24 Nov   150    Normal-Fair      about 10% above predicted monthly 
                                 values    
COMMENT: IPS HF Communications Warning 73 was issued on 21 November 
and is current for interval 24-25 November. Mild degradation 
possible 24-25 Nov southern Aus/NZ region due to possible front-side 
CME on 21 Nov and weak recurrent factors. 

IPS Radio and Space Services      | email: asfc at ips.gov.au
PO Box 1386                       | WWW: http://www.ips.gov.au/asfc
Haymarket NSW 1240  AUSTRALIA     | FTP: ftp://ftp.ips.gov.au/users/asfc/ 
tel: +61 2 9213 8010              | fax: +61 2 9213 8060 




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