[Ips-whfpr] IPS Weekly Prop. Report (21 February 01)

[rwc]

SUBJ: IPS WEEKLY HF PROPAGATION REPORT
ISSUED AT 21/0200Z FEBRUARY 2001 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (14 FEBRUARY - 20 FEBRUARY)
Date   T index   Conditions        
14 Feb   89      Fair              
MUFS:
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      Enhanced by 25% during local night.
   Northern Australian Region:
      Mostly near predicted monthly values,
   Southern Australian and New Zealand Region:
      Depressed by 25% during local day,
      Near predicted monthly values during local night.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values over the UT day.


15 Feb  134      Normal            
MUFS:
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      Enhanced by 55% 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 15% over the UT day.


16 Feb  127      Normal            
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.


17 Feb  150      Normal            
MUFS:
   Equatorial PNG Region:
      No data available during local day,
      No data available during local night.
   Northern Australian Region:
      Near predicted monthly values during local day,
      Enhanced by 20% during local night.
   Southern Australian and New Zealand Region:
      Mostly near predicted monthly values,
   Antarctic Region (Casey/Scott Base):
      Enhanced by 25% over the UT day.


18 Feb  125      Normal            
MUFS:
   Equatorial PNG Region:
      No data available.
   Northern Australian, Southern Australian and New Zealand Regions:
      Mostly near predicted monthly values.
   Antarctic Region (Casey/Scott Base):
      Enhanced by 20% over the UT day.


19 Feb  137      Normal            
MUFS:
   Equatorial PNG Region:
      No data available.
   Northern Australian, Southern Australian and New Zealand Regions:
      Mostly near predicted monthly values.
   Antarctic Region (Casey/Scott Base):
      Enhanced by 30% over the UT day.


20 Feb  116      Normal-fair       
MUFS:
   Equatorial PNG Region:
      No data available.
   Northern Australian Region:
      Mostly near predicted monthly values,
   Southern Australian and New Zealand Region:
      Depressed by 20% after dawn,
      Mostly near predicted monthly values the rest of the day.
   Antarctic Region (Casey/Scott Base):
      Enhanced by 20% over the UT day.


Predicted Monthly T index for February: 116
2. FORECAST (21 FEBRUARY - 27 FEBRUARY) 
MUFS:                   Mainly near predicted monthly values.
Propagation conditions: Normal. No SWfs
T index:                135

COMMENT: HF communication warnings 6 and 7 were issued on 16 and
20 of February. 
3. OUTLOOK (28 FEBRUARY - 30 MARCH)
Degraded HF propagation conditions possible:
19-Mar,26-Mar.

COMMENT: Recurrent patterns are poorly defined, long term forecast tentative.

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.

IPS Radio and Space Services      | email: asfc at ips.gov.au
PO Box 1386                       | WWW: http://www.ips.gov.au/asfc
Haymarket NSW 1240  AUSTRALIA     | FTP: ftp://ftp.ips.gov.au/users/asfc/ 
tel: +61 2 9213 8010              | fax: +61 2 9213 8060