[Ips-dhfpr] IPS Daily HF Prop Report - 21 May 01

rwc rwc at ips.gov.au
Tue May 22 09:20:42 EST 2001


SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 21/2330Z MAY 2001 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (21 MAY) 
Date   T index  Conditions    
21 May   111    Normal         

Flares: none.

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


Predicted Monthly T index for May: 117
2. FORECAST (22 MAY - 24 MAY)
Date   T index  Conditions       MUFs                              
22 May   115    Normal           Near predicted monthly values 
23 May   100    Normal-fair      Near predicted monthly values     
24 May    80    Normal-fair      about 15% below predicted monthly 
                                 values    
COMMENT: Expected coronal hole induced activity may produce ionospheric 
depressions 24 May. 

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




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