[Ips-dhfpr] IPS Daily HF Prop Report - 16 February 01

rwc rwc at ips.gov.au
Sat Feb 17 10:18:13 EST 2001


SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 16/2330Z FEBRUARY 2001 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (16 FEBRUARY) 
Date   T index  Conditions    
16 Feb   127    Normal         

Flares: none.

MUFs:
   Equatorial PNG Region:
      No data available during local day,
      No data available during local night.
   Northern Australian Region:
      Mostly near predicted monthly values,
   Southern Australian and New Zealand Region:
      Mostly near predicted monthly values,
   Antarctic Region (Casey/Scott Base):
      Enhanced by 25% over the UT day.


Predicted Monthly T index for February: 116
2. FORECAST (17 FEBRUARY - 19 FEBRUARY)
Date   T index  Conditions       MUFs                              
17 Feb   125    Normal           near predicted monthly values 
18 Feb    90    Fair-normal      10 to 20% below predicted monthly 
                                 values     
19 Feb   110    Normal           depressed 5 to 10%/near predicted 
                                 monthly values    
COMMENT: IPS HF Communications Warning 6 was issued on 16 February 
and is current for interval 18-19 February. Depressed ionospheric 
conditions are expected on 18 feb following the anticipated arrival 
of a shock associated with a full halo CME and long duration 
B8.8 flare activity observed after 1308 UT on the 15 feb. 

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