[Ips-dhfpr] IPS Daily HF Prop Report - 27 October 00

[Regional Warning Centre]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 27/2330Z OCTOBER 2000 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (27 OCTOBER) 
Date   T index  Conditions    
27 Oct   155    Normal         

Flares    Max     Fadeout    Begin   End    Freq.  Sectors
 M1/--    2056UT  possible                  lower  East Pacific/
                                                   North American

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


Predicted Monthly T index for October: 135
2. FORECAST (28 OCTOBER - 30 OCTOBER)
Date   T index  Conditions       MUFs                              
28 Oct   130    Fair-normal      5 to 10% below predicted monthly 
                                 values 
29 Oct   140    Normal           near predicted monthly values     
30 Oct   140    Normal           Near predicted monthly values    
COMMENT: IPS HF Communications Warning 72 was issued on 25 October 
and is current for interval 28-30 October. Enhanced HF conditions 
observed at equatorial and northern Australian latitudes during 
local night hours. Depressed conditions are expected for the 
28 Oct following the anticipated arrival of CME associated with 
C-class flare observed on the 25 Oct at 1125 UT. 


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