[Ips-dhfpr] IPS Daily HF Prop Report - 08 September 05

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 08/2330Z SEPTEMBER 2005 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (08 SEPTEMBER) 
Date   T index  Conditions    
08 Sep    22    Normal         

Flares    Max     Fadeout    Freq.  Sectors
  M1.1 07/2301UT  possible   lower  West Pacific
  M2.1    1703UT  possible   lower  South American/
                                    Atlantic
  M2.1    2029UT  possible   lower  East Pacific/
                                    North American
  X5.4    2106UT  probable   all    East Pacific/
                                    North American

MUFs:
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      Depressed by 15% during local night.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Mostly near predicted monthly values,
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values for short
      periods with severe degradations.
      Proton event in progress, increased absorption observed.

PCA Event : 10Mev Proton/PCA Event Began 08 09 2005 0235UT and is in progress

Predicted Monthly T index for September:  24
2. FORECAST (09 SEPTEMBER - 11 SEPTEMBER)
Date   T index  Conditions       MUFs                              
09 Sep    16    Normal-fair      near predicted monthly values 
                                 /depressed 5% 
10 Sep    20    Normal           near predicted monthly values     
11 Sep    22    Normal           Near predicted monthly values    
COMMENT: IPS HF Communications Warning 32 was issued on 
7 September and is current for interval 8-10 September (SWFs) . 
Due to a good possibility of strong flare activities from a 
very active regions short wave fadeouts may be observed during 
the day time in the next few days. However, if the flare 
activities don't happen, mostly normal conditions may be expected 
in most Aus/NZ regions during the next few days. Also there is 
some possibility of minor to mild depressions in MUFs in Southern 
Australian/NZ regions on 09 September due to an expected rise 
in geomagnetic activity on this day. 
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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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