[Ips-dhfpr] IPS Daily HF Prop Report - 25 July 02

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 25/2330Z JULY 2002 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (25 JULY) 
Date   T index  Conditions    
25 Jul   111    Normal-fair    

Flares: none.

MUFs:
   Equatorial PNG Region:
      Enhanced by 20% during local day,
      Enhanced by 50% during local night.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values.
      Proton event in progress, increased absorption observed.


PCA Event : 10Mev Proton/PCA Event Began 22 07 2002 0715UT and is in progress

Predicted Monthly T index for July: 108
2. FORECAST (26 JULY - 28 JULY)
Date   T index  Conditions       MUFs                              
26 Jul   110    Normal           near predicted monthly values 
27 Jul   110    Normal           near predicted monthly values     
28 Jul   110    Normal           near predicted monthly values    
COMMENT: IPS HF Communications Warning 33 was issued on 24 July 
and is current for interval 25-26 July. Geomagnetic activity 
following shock arrival minimal. Nominal HF conditions now expected. 

IPS Radio and Space Services      | email: asfc at ips.gov.au
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tel: +61 2 9213 8010              | fax: +61 2 9213 8060