[Ips-whfpr] IPS Weekly Prop. Report (03 April 13) issued 0037 UT on 03 Apr 2013

[rwc]

SUBJ: IPS WEEKLY HF PROPAGATION REPORT
ISSUED ON 03 APRIL 2013 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (27 MARCH - 02 APRIL)
Date   T index   Conditions        
27 Mar   71      Normal            
MUFS:
   Cocos Island Region:
      Enhanced by 15% during local day.
      Near predicted monthly values during local night.
      Depressed by 20% after local dawn.
   Niue Island Region:
      Near predicted monthly values during local day.
      Depressed by 25% during local night.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Mostly near predicted monthly values.
      Depressed by 20% after local dawn.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

28 Mar   51      Normal            
MUFS:
   Cocos Island Region:
      Enhanced by 20% during local day.
      Depressed by 20% during local night.
   Niue Island Region:
      Near predicted monthly values during local day.
      Depressed by 20% during local night.
   Northern Australian Region:
      Depressed by 25% during local day.
      Depressed by 20% during local night.
   Southern Australian and New Zealand Region:
      Depressed by 25% during local day.
      Near predicted monthly values during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

29 Mar   63      Normal            
MUFS:
   Cocos Island Region:
      Near predicted monthly values.
   Niue Island Region:
      Near predicted monthly values.
   Northern Australian Region:
      Depressed by 15% during local day.
      Near predicted monthly values during local night.
      Enhanced by 30% after local dawn.
   Southern Australian and New Zealand Region:
      Mostly near predicted monthly values.
      Depressed by 30% after local dawn.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

30 Mar   49      Normal            
MUFS:
   Cocos Island Region:
      Near predicted monthly values.
   Niue Island Region:
      Near predicted monthly values during local day.
      Enhanced by 25% during local night.
   Northern Australian Region:
      Depressed by 35% during local day.
      Depressed by 35% during local night.
   Southern Australian and New Zealand Region:
      Depressed by 40% during local day.
      Depressed by 30% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Depressed by 25% over the UT day.

31 Mar   53      Normal            
MUFS:
   Cocos Island Region:
      Enhanced by 15% during local day.
      Depressed by 15% during local night.
   Niue Island Region:
      Near predicted monthly values during local day.
      Depressed by 20% during local night.
   Northern Australian Region:
      Depressed by 15% during local day.
      Depressed by 30% during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Depressed by 15% over the UT day.

01 Apr   80      Normal            
MUFS:
   Cocos Island Region:
      Near predicted monthly values with 20-30% enhancements
      07-13 UT and 15-20% depressions 15-21, 23 UT.
   Niue Island Region:
      Near predicted monthly values.
   Northern Australian Region:
      Near predicted monthly values. Enhanced 25-50% 07-14 UT
      at Darwin.
   Southern Australian and New Zealand Region:
      Near predicted monthly values. Night spread F at Hobart.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values to 20% enhanced.

02 Apr   79      Normal            
MUFS:
   Cocos Island Region:
      Near predicted monthly values. Enhanced 20-35% 07-09
      and 13-14 UT. Depressed 23% at 23 UT.
   Niue Island Region:
      Near predicted monthly values. Depressions of 15-30%
      00, 16-17 and 21 UT.
   Northern Australian Region:
      Near predicted monthly values. Depressions of 20-30%
      16-18 UT at Darwin.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values. Depressions of 20-30%
      14-19 UT.

Predicted Monthly T index for April:  68

2. FORECAST (03 APRIL - 09 APRIL) 
MUFS: MUFs near predicted monthly values.

Propagation conditions: Normal. No SWFs.

T index: 68

3. OUTLOOK (10 APRIL - 10 MAY)
Degraded HF propagation conditions possible: 23-24 Apr

PLEASE NOTE:
Space weather conditions can frequently be determined by short 
timescale events that cannot be forecast a week in advance,
particularly at solar maximum.

For an explanation of some of the terms in this report, go to
http://www.ips.gov.au, and follow links to Educational->
Glossary on Solar Terrestrial Terms.

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

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