[Ips-dhfpr] IPS Daily HF Prop Report - 23 January 01

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 23/2330Z JANUARY 2001 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (23 JANUARY) 
Date   T index  Conditions    
23 Jan   104    Normal         

Flares: none.

MUFs:
   Equatorial PNG Region:
      Mostly near predicted monthly values.
   Northern Australian Region:
      Depressed by 30% during local day,
      Near predicted monthly values during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values over the UT day.


Predicted Monthly T index for January: 117
2. FORECAST (24 JANUARY - 26 JANUARY)
Date   T index  Conditions       MUFs                              
24 Jan   110    Normal           about 5% below predicted monthly 
                                 values 
25 Jan   120    Normal           near predicted monthly values     
26 Jan   140    Normal           about 10% above predicted monthly 
                                 values    
COMMENT: IPS HF Communications Warning 1 was issued on 22 January 
and is current for interval 23-24 January. Chance of depressed 
ionospheric conditions are expected for the 24 JAN following 
the arrival of a shock at 1048UT on 23 JAN associated the full 
halo CME observed on the 20 JAN. 

IPS Radio and Space Services      | email: asfc at ips.gov.au
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