[Ips-whfpr] IPS Weekly Prop. Report (20 August 14) issued 2343 UT on 19 Aug 2014

rwc rwc at ips.gov.au
Wed Aug 20 09:43:41 EST 2014


SUBJ: IPS WEEKLY HF PROPAGATION REPORT
ISSUED ON 20 AUGUST 2014 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (13 AUGUST - 19 AUGUST)
Date   T index   Conditions        
13 Aug   69      Normal            
MUFS:
   Cocos Island Region:
      Enhanced by 40% during local day.
      Depressed by 20% during local night.
      Depressed by 20% after local dawn.
   Niue Island Region:
      Depressed by 15% during local day.
      Depressed by 45% during local night.
   Northern Australian Region:
      Depressed by 15% during local day.
      Depressed by 35% during local night.
      Depressed by 20% after local dawn.
   Southern Australian Region:
      Depressed by 15% during local day.
      Near predicted monthly values during local night.
      Depressed by 20% after local dawn.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Depressed by 15% over the UT day.

14 Aug   52      Normal            
MUFS:
   Cocos Island Region:
      Depressed by 15% during local day.
      Depressed by 40% during local night.
   Niue Island Region:
      Enhanced by 20% during local day.
      Near predicted monthly values during local night.
      Depressed by 25% after local dawn.
   Northern Australian Region:
      Depressed by 20% during local day.
      Depressed by 35% during local night.
   Southern Australian and New Zealand Region:
      Depressed by 20%.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values.

15 Aug   49      Normal-fair       
MUFS:
   Cocos Island Region:
      Depressed by 25% during local day.
      Depressed by 40% during local night.
   Niue Island Region:
      Depressed by 20% during local day.
      No data available during local night.
   Northern Australian Region:
      Depressed by 25% during local day.
      Depressed by 30% during local night.
      Depressed by 40% after local dawn.
   Southern Australian Region:
      Depressed by 20% during local day.
      Depressed by 30% during local night.
      Depressed by 20% after local dawn.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values.

16 Aug   50      Normal-fair       
MUFS:
   Cocos Island Region:
      Near predicted monthly values during local day.
      Depressed by 45% during local night.
   Niue Island Region:
      Depressed by 25% during local day.
      Depressed by 30% during local night.
      Depressed by 20% after local dawn.
   Northern Australian Region:
      Depressed by 25% during local day.
      Depressed by 35% during local night.
      Depressed by 30% after local dawn.
   Southern Australian Region:
      Depressed by 20% during local day.
      Depressed by 15% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values.

17 Aug   66      Normal-fair       
MUFS:
   Cocos Island Region:
      Near predicted monthly values during local day.
      Depressed by 25% during local night.
      Depressed by 20% after local dawn.
   Niue Island Region:
      Depressed by 15% during local day.
      Near predicted monthly values during local night.
      Depressed by 30% after local dawn.
   Northern Australian Region:
      Mostly near predicted monthly values.
      Depressed by 30% after local dawn.
   Southern Australian Region:
      Depressed by 15% during local day.
      Near predicted monthly values during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values.

18 Aug   61      Fair-normal       
MUFS:
   Cocos Island Region:
      Depressed 15-20% 00-06 UT, depressed 25-40%
      13-23 UT. Near predicted monthly values 07-12 UT.
   Niue Island Region:
      Depressed 20-30% during 01-03, 19-23 UT. Enhanced
      25-50% 10-11 UT. Near predicted monthly values at
      other times.
   Northern Australian Region:
      Depressed 20-30% 01-04, 12-14 20-21 UT at Darwin
      Depressed 15-30% 05-07, 11-16, 23 UT at Townsville.
      Near predicted monthly values at other times.
   Southern Australian and New Zealand Region:
      Near predicted monthly values to 15% depressed.
      Depressed by 15% during local day.
      Depressed to 25% at Norfolk Is, Learmonth and Perth
      mostly after 10 UT.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values to 20% enhanced.

19 Aug   71      Normal-fair       
MUFS:
   Cocos Island Region:
      Near predicted monthly values. Depressed 20-35%
      04, 15-21, 23 UT.
   Niue Island Region:
      Near predicted monthly values. Depressed 20-35%
      01-02, 06-13, 17 UT.
   Northern Australian Region:
      Near predicted monthly values to 15% depressed.
      Depressed at Darwin 20-40% 00, 03 07, 10, 12-16
      21, 23 UT. Depressed 20% at Townsville 00, 04, 23 UT.
   Southern Australian and New Zealand Region:
      Near predicted monthly values. Enhancements of
      20-35% 15-22 UT except at Hobart and Learmonth.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Mostly near predicted monthly values.

Predicted Monthly T index for August:  91

2. FORECAST (20 AUGUST - 26 AUGUST) 
MUFs: near predicted monthly values to 20% depressed.

Propagation conditions: fair on 20 Aug. Otherwise fair to normal. No SWFs.

T index: 60

3. OUTLOOK (27 AUGUST - 26 SEPTEMBER)
Degraded HF propagation conditions possible: no significant degraded
periods expected.

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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