[Ips-dhfpr] IPS Daily HF Prop Report - 27 July 04

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 27/2330Z JULY 2004 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (27 JULY) 
Date   T index  Conditions    
27 Jul    60    Fair-poor      

Flares: none.

MUFs:
   Equatorial PNG Region:
      Enhanced by 40% during local day,
      Enhanced by 145% during local night.
   Northern Australian Region:
      Enhanced by 15% during local day,
      Enhanced by 100% during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
      Enhanced by 50% during local night.
      Depressed by 25% after local dawn.
   Antarctic Region (Casey/Scott Base):
      Proton event in progress, increased absorption observed.


PCA Event : 10Mev Proton/PCA Event Began 27 07 2004 2015UT and is in progress

Predicted Monthly T index for July:  39
2. FORECAST (28 JULY - 30 JULY)
Date   T index  Conditions       MUFs                              
28 Jul    20    Poor             depressed 10 to 20%/near predicted 
                                 monthly values 
29 Jul    60    Fair             near predicted monthly values     
30 Jul    60    Normal           near predicted monthly values    
COMMENT: IPS HF Communications Warning 32 was issued on 26 July 
and is current for interval 26-28 July (SWFs) . Southern region 
MUFs slightly depressed after local dawn this morning, following 
continued geomangetic storm activity. Minor degradation periods 
in HF conditions are expected for northern Australia regions 
over the next 24 hours. Depressed conditions for southern regions 
of AUS/NZ are expected over the next 24 hours with a return to 
normal, conditions expected on 29-30July. 
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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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