[Ips-dhfpr] IPS Daily HF Prop Report - 14 April 01

rwc rwc at ips.gov.au
Sun Apr 15 09:34:38 EST 2001


SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 14/2330Z APRIL 2001 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (14 APRIL) 
Date   T index  Conditions    
14 Apr    94    Fair           

Flares    Max     Fadeout    Freq.  Sectors
  M1.0    1715UT  possible   lower  South American/
                                    Atlantic

MUFs:
   Equatorial PNG Region:
      Mostly near predicted monthly values,
      Enhanced by 15% after local dawn.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Depressed by 35% during local day,
      Depressed by 25% during local night.
   Antarctic Region (Casey/Scott Base):
      Depressed by 15% over the UT day.


Predicted Monthly T index for April: 120
2. FORECAST (15 APRIL - 17 APRIL)
Date   T index  Conditions       MUFs                              
15 Apr    95    Normal-Fair      Initially near normal, then 
                                 becoming depressed 10-20%. 
16 Apr    70    Fair             10 to 30% below predicted monthly 
                                 values     
17 Apr   120    Normal           Near predicted monthly values    
COMMENT: IPS HF Communications Warning 24 was issued on 12 April 
and is current for interval 14-16 April. Degraded HF conditions 
expected if shock arrives from X2 flare. 

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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