[Ips-dhfpr] IPS Daily HF Prop Report - 11 November 04

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 11/2330Z NOVEMBER 2004 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (11 NOVEMBER) 
Date   T index  Conditions    
11 Nov   -51    Fair-poor      

Flares: none.

MUFs:
   Equatorial PNG Region:
      Depressed by 25% during local day,
      Depressed by 40% during local night.
      Depressed by 20% after local dawn.
   Northern Australian Region:
      Depressed by 25% during local day,
      Depressed by 30% during local night.
   Southern Australian and New Zealand Region:
      Depressed by 40% during local day,
      Depressed by 25% during local night.
      Depressed by 25% after local dawn.
   Antarctic Region (Casey/Scott Base):
      Proton event in progress, increased absorption observed.


PCA Event : 10Mev Proton/PCA Event Began 07 11 2004 1915UT and is in progress

Predicted Monthly T index for November:  35
2. FORECAST (12 NOVEMBER - 14 NOVEMBER)
Date   T index  Conditions       MUFs                              
12 Nov   -35    Fair-poor        15 to 30% below predicted monthly 
                                 values 
13 Nov    10    Normal-fair      depressed 10 to 20%/near predicted 
                                 monthly values     
14 Nov    25    Normal-fair      depressed 5 to 15%/near predicted 
                                 monthly values    
COMMENT: IPS HF Communications Warning 49 was issued on 10 November 
and is current for interval 11-13 November (SWFs) . HF conditions 
have been significantly degraded during the past 24 hours at 
all latitudes with depressions of 20-40% and higher at times. 
Significantly degraded conditions are expected again at all latitudes 
for 12 November with conditions slowly returning to normal from 
13 November. 
----------------------------------------------------------
For an explanation of some of the terms in this report, goto
http://www.ips.gov.au, and follow links to Educational->
Gloassary on Solar Terrestrial Terms.

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