[Ips-dhfpr] IPS Daily HF Prop Report - 16 September 05

[Regional Warning Centre]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 16/2330Z SEPTEMBER 2005 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (16 SEPTEMBER) 
Date   T index  Conditions    
16 Sep    13    Normal-Fair    

Flares    Max     Fadeout    Freq.  Sectors
  M4.4    0149UT  possible   lower  E. Asia/Aust.
  M1.4    1748UT  possible   lower  South American/
                                    Atlantic
  M3.5    1936UT  possible   lower  East Pacific/
                                    North American

MUFs:
   Equatorial PNG Region:
     Enhanced by 30% during local day,
     Depressed by 15% during local night.
  Northern Australian Region:
     Mostly near predicted monthly values,
  Southern Australian and New Zealand Region:
     Depressed by 20% during local day,
     Depressed by 15% during local night.
  Antarctic Region (Casey/Scott Base):
     Near predicted monthly values over the UT day.

PCA Event : 10Mev Proton/PCA Event Began 14 09 2005 0100UT and is in progress

Predicted Monthly T index for September:  24
2. FORECAST (17 SEPTEMBER - 19 SEPTEMBER)
Date   T index  Conditions       MUFs                              
17 Sep    30    Normal           Depressed 15% after local dawn, 
                                 then recovering 
18 Sep    20    Normal           Near predicted monthly values     
19 Sep    20    Normal           Near predicted monthly values    
COMMENT: IPS HF Communications Warning 37 was issued on 16 September 
and is current for interval 17-18 September (SWFs) . 
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For an explanation of some of the terms in this report, goto
http://www.ips.gov.au, and follow links to Educational->
Gloassary on Solar Terrestrial Terms.

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

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