[Ips-whfpr] IPS Weekly Prop. Report (08 August 01)

[rwc]

SUBJ: IPS WEEKLY HF PROPAGATION REPORT
ISSUED AT 08/0200Z AUGUST 2001 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (01 AUGUST - 07 AUGUST)
Date   T index   Conditions        
01 Aug   94      Normal-fair       
MUFS:
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      Enhanced by 25% during local night.
   Northern Australian Region:
      Depressed 15% to Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Depressed 20% to near predicted monthly values.
   Antarctic Region (Casey/Scott Base):
      Depressed by 15% over the UT day.


02 Aug   95      Normal            
MUFS:
   Equatorial PNG Region:
      Enhanced by 15% during local day,
      Enhanced by 30% during local night.
   Northern Australian Region:
      Near predicted monthly values during local day,
      Depressed by 20% during local night.
      Depressed by 20% after local dawn.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base):
      Enhanced by 20% over the UT day.
      Some absorption observed.


03 Aug  104      Normal-fair       
MUFS:
   Equatorial PNG Region:
      Enhanced by 15% during local day,
      Enhanced by 30% during local night.
   Northern Australian Region:
      Near predicted monthly values during local day,
      Depressed by 20% during local night. Darwin had spead F
      local night hours.
      Depressed by 15% after local dawn.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base):
      Enhanced by 20% over the UT day.
      Some absorption observed.


04 Aug   93      Normal            
MUFS:
   Equatorial PNG Region:
     Enhanced by 35% during local day,
     Enhanced by 50% during local night.
     Enhanced by 30% after local dawn.
  Northern Australian Region:
     Near predicted monthly values during local day,
     Depressed by 15% 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.


05 Aug  112      Normal            
MUFS:
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      Enhanced by 55% during local night.
      Enhanced by 25% after local dawn.
   Northern Australian Region:
      Mostly near predicted monthly values,
      Enhanced by 15% after local dawn.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
      Enhanced by 15% during local night.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values over the UT day.
      Some absorption observed.


06 Aug  110      Normal            
MUFS:
   Equatorial PNG Region:
      Enhanced by 30% during local day,
      Enhanced by 50% during local night.
      Enhanced by 45% after local dawn.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
      Enhanced by 15% during local night.
   Antarctic Region (Casey/Scott Base):
      Enhanced by 15-30% over the UT day.


07 Aug  114      Normal            
MUFS:
   Equatorial PNG Region:
      Enhanced by 15% during local day,
      Enhanced by 55% during local night.
      Enhanced by 30% after local dawn.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base):
      Enhanced by 25% over the UT day.


Predicted Monthly T index for August: 109
2. FORECAST (08 AUGUST - 14 AUGUST) 
MUFS: mildy depressed after local dawn on 12-13 Aug,  otherwise MUFs
near normal. SWFs possible.
Propagation conditions: Fair 12-13 Aug , otherwise normal. 
T index:  110
COMMENT: IPS HF Communications Warning 37 was issued on 7 August and is current for interval  7-9 August (SWFs) . 
3. OUTLOOK (15 AUGUST - 14 SEPTEMBER)
Degraded HF propagation conditions possible:
21, 22 and 28 Aug 
04, 07-09 Sep.

PEASE NOTE:
At this time of the solar cycle, space weather conditions
are frequently determined by short timescale events, not
able to be forecasted a week in advance.

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