[Ips-dhfpr] IPS Daily HF Prop Report - 16 December 02

rwc rwc at ips.gov.au
Tue Dec 17 10:27:49 EST 2002


SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 16/2330Z DECEMBER 2002 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (16 DECEMBER) 
Date   T index  Conditions    
16 Dec   145    Normal         

Flares    Max     Fadeout    Freq.  Sectors
  M2.6    1115UT  possible   lower  European
  M2.1    2257UT  possible   lower  West Pacific

MUFs:
   Equatorial PNG Region:
      Enhanced by 15-20% during local day,
   Northern Australian Region:
      Near predicted monthly values during local day,
      Enhanced by 35% 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):
      Enhanced by 20% over the UT day.


PCA Event : No event.

Predicted Monthly T index for December:  90
2. FORECAST (17 DECEMBER - 19 DECEMBER)
Date   T index  Conditions       MUFs                              
17 Dec   130    Normal           10 to 15% above predicted monthly 
                                 values 
18 Dec    80    Normal-fair      near predicted monthly values/depressed 
                                 10 to 15%     
19 Dec    80    Fair-normal      depressed 10 to 15%/near predicted 
                                 monthly values    
COMMENT: IPS HF Communications Warning 77 was issued on 15 December 
and is current for interval 18-19 December. Isolated shortwave 
fadeout activity expected. Degraded conditions expected around 
18 Dec due to anticapated coronal hole induced geomagnetic activity. 

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



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