[Ips-dhfpr] IPS Daily HF Prop Report - 16 August 01

rwc rwc at ips.gov.au
Fri Aug 17 09:26:58 EST 2001


SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 16/2330Z AUGUST 2001 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (16 AUGUST) 
Date   T index  Conditions    
16 Aug   120    Normal-fair    

Flares: none.

MUFs:
   Equatorial PNG Region:
      Enhanced by 25% during local day,
      Enhanced by 20% during local night.
      Enhanced by 20% after local dawn.
   Northern Australian Region:
      Enhanced by 15% during local day,
      Enhanced by 35% during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values over the UT day.


Predicted Monthly T index for August: 109
2. FORECAST (17 AUGUST - 19 AUGUST)
Date   T index  Conditions       MUFs                              
17 Aug    95    Normal-fair      near predicted monthly values/depressed 
                                 10 to 15% 
18 Aug    90    Fair-normal      depressed 10 to 20%/near predicted 
                                 monthly values     
19 Aug   105    Normal           Near predicted monthly values    
COMMENT: IPS HF Communications Warning 39 was issued on 15 August 
and is current for interval 17-18 August. Mild depression expected 
late 17, early 18 Aug due to anticipated CME (eripting filament 
14 Aug) related geomagnetic activity. Depression expected to 
be mostly limited to southern region Aus/NZ. Degraded conditions 
expected local night hours southern region during interval. 

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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