[Ips-dhfpr] IPS Daily HF Prop Report - 12 November 04

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 12/2330Z NOVEMBER 2004 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (12 NOVEMBER) 
Date   T index  Conditions    
12 Nov   -35    Normal-poor    

Flares: none.

MUFs:
   Equatorial PNG Region:
      Depressed by 15% during local day,
      Depressed by 40% during local night.
   Northern Australian Region:
      Depressed by 15% during local day,
      Depressed by 30% during local night.
      Depressed by 20% after local dawn.
   Southern Australian and New Zealand Region:
      Depressed by 25% during local day,
      Depressed by 30% 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 (13 NOVEMBER - 15 NOVEMBER)
Date   T index  Conditions       MUFs                              
13 Nov    15    Normal-fair      near predicted monthly values 
14 Nov    25    Normal           near predicted monthly values     
15 Nov    35    Normal           Near predicted monthly values/enhanced 
                                 5 to 10%.    
COMMENT: IPS HF Communications Warning 50 was issued on 12 November 
and is current for interval 12-13 November. HF conditions have 
been significantly degraded during the past 24 hours at almost 
all latitudes with depressions of 20-40% and higher at times. 
The HF conditions may show minor to moderate degradations in 
Souther Australian/NZ regions on 13 November and then return 
to normal during the following two days. 
----------------------------------------------------------
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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