[Ips-dhfpr] IPS Daily HF Prop Report - 05 August 03

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 05/2330Z AUGUST 2003 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (05 AUGUST) 
Date   T index  Conditions    
05 Aug    63    Normal         

Flares    Max     Fadeout    Freq.  Sectors
M1.7/SN    1249UT  possible   lower  European

MUFs:
   Equatorial PNG Region:
      Enhanced by 25% during local day,
      Enhanced by 40% during local night.
   Northern Australian Region:
      Mostly near predicted monthly values,
   Southern Australian and New Zealand Region:
      Mostly near predicted monthly values,
   Antarctic Region (Casey/Scott Base):
      Enhanced 15% early in UT day, then
      Near predicted monthly values.


PCA Event : No event.

Predicted Monthly T index for August:  60
2. FORECAST (06 AUGUST - 08 AUGUST)
Date   T index  Conditions       MUFs                              
06 Aug    65    Normal-Fair      Near predicted monthly values 
07 Aug    55    Fair             depressed 10 to 15%/near predicted 
                                 monthly values     
08 Aug    50    Fair             depressed 10 to 15%/near predicted 
                                 monthly values    
COMMENT: IPS HF Communications Warning 55 was issued on 5 August 
and is current for interval 7-9 August. A gradual return to degraded 
conditions is expected for southern Aus/NZ region over next few 
days, due induced geomagnetic activity from a coronal hole high 
speed wind stream. Northern Aus region MUFs expected to remain 
near predicted monthly values. Isolated shortwave fadeouts possible. 

IPS Radio and Space Services      | email: asfc at ips.gov.au
PO Box 1386                       | WWW: http://www.ips.gov.au
Haymarket NSW 1240  AUSTRALIA     | FTP: ftp://ftp.ips.gov.au 
tel: +61 2 9213 8010              | fax: +61 2 9213 8060 

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