[Ips-dhfpr] IPS Daily HF Prop Report - 21 July 04

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 21/2330Z JULY 2004 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (21 JULY) 
Date   T index  Conditions    
21 Jul    66    Normal         

Flares: none.

MUFs:
   Equatorial PNG Region:
      Enhanced by 25% during local day,
      Enhanced by 55% during local night.
   Northern Australian Region:
      Enhanced by 15% during local day,
      Near predicted monthly values during local night.
   Southern Australian and New Zealand Region:
      Enhanced by 20% during local day,
      Near predicted monthly values during local night.
   Antarctic Region (Casey/Scott Base):
      Enhanced by 35% over the UT day.


PCA Event : No event.

Predicted Monthly T index for July:  39
2. FORECAST (22 JULY - 24 JULY)
Date   T index  Conditions       MUFs                              
22 Jul    65    Normal           near predicted monthly values 
23 Jul    60    Normal-Fair      near predicted monthly values/depressed 
                                 5 to 10%     
24 Jul    60    Normal           near predicted monthly values/depressed 
                                 5 to 10%    
COMMENT: IPS HF Communications Warning 30 was issued on 19 July 
and is current for interval 20-22 July (SWFs) . HF conditions 
are expected to remain mostly normal in Aus/NZ regions during 
the next 24 hours, with some possibility of isolated minor degradation 
periods in the southern regions after this period. Minor to moderate 
degradations are possible on day two and three of this forecast, 
especially in the Southern Aus/NZ region. 
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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.

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