[Ips-dhfpr] IPS Daily HF Prop Report - 28 March 01

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 28/2330Z MARCH 2001 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (28 MARCH) 
Date   T index  Conditions    
28 Mar   147    Normal-fair    

Flares    Max     Fadeout    Freq.  Sectors
  M1.1    0159UT  possible   lower  E. Asia/Aust.
  M1.3    0948UT  possible   lower  Mid East/Indian
  M4.3    1240UT  possible   lower  European
  M1.6    1910UT  possible   lower  East Pacific/
                                    North American
  M1.7    2248UT  possible   lower  West Pacific

MUFs:
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      Enhanced by 15% during local night.
      Enhanced by 25% after local dawn.
   Northern Australian Region:
      Near predicted monthly values during local day,
      Enhanced by 15% during local night.
      Enhanced by 40% after local dawn.
   Southern Australian and New Zealand Region:
      Mostly near predicted monthly values,
      Enhanced by 25% after local dawn.
   Antarctic Region (Casey/Scott Base):
      Depressed by 15% over the UT day.


Predicted Monthly T index for March: 115
2. FORECAST (29 MARCH - 31 MARCH)
Date   T index  Conditions       MUFs                              
29 Mar   150    Normal           10 to 15% above predicted monthly values 
30 Mar   100    Normal-Fair      near predicted monthly values/depressed 
                                 10 to 15%     
31 Mar    90    Fair             depressed 10 to 15%/near predicted 
                                 monthly values    
COMMENT: IPS HF Communications Warning 13 was issued on 28 March 
and is current for interval 28-29 March. Enhanced conditions 
expected for today. Depressed MUFs and degraded HF conditions 
expected beginning late 30 Mar. Fadeouts expected on daylight HF 
circuits. M2 flare observed at around time of issue 2330UT.

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