[Ips-dhfpr] IPS Daily HF Prop Report - 18 May 02

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 18/2330Z MAY 2002 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (18 MAY) 
Date   T index  Conditions    
18 May   120    Normal         

Flares: none.

MUFs:
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      Enhanced by 35% 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):
      Enhanced by 25% over the UT day.


Predicted Monthly T index for May: 113
2. FORECAST (19 MAY - 21 MAY)
Date   T index  Conditions       MUFs                              
19 May   120    Normal-Fair      near predicted monthly values 
20 May   120    Normal-Fair      near predicted monthly values     
21 May   120    Normal           near predicted monthly values    
COMMENT: IPS HF Communications Warning 23 was issued on 17 May 
and is current for interval 17-19 May (SWFs) . Ionospheric impact 
of CME arrival expected to be minimal due to weaker than expected 
geomagnetic activity observed following shock arrival. 

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