[Ips-whfpr] SWS Weekly Prop. Report (28 November 18) issued 0125 UT on 28 Nov 2018 [SEC=UNCLASSIFIED]

[rwc]

SUBJ: SWS WEEKLY HF PROPAGATION REPORT
ISSUED ON 28 NOVEMBER 2018 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (21 NOVEMBER - 27 NOVEMBER)
Date   T index   Conditions        
21 Nov  -33      Normal-fair       
MUFS:
   Cocos Island Region:
      No data available during local day.
      No data available during local night.
   Niue Island Region:
      Depressed by 25% during local day.
      Depressed by 20% during local night.
   Northern Australian Region:
      Depressed by 15% during local day.
      Depressed by 20% during local night.
   Southern Australian Region:
      Depressed by 20% during local day.
      Depressed by 20% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

22 Nov  -27      Normal-fair       
MUFS:
   Cocos Island Region:
      No data available.
   Niue Island Region:
      Near predicted monthly values during local day.
      Depressed by 15% during local night.
   Northern Australian Region:
      Depressed by 15% during local day.
      Near predicted monthly values during local night.
   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 over the UT day.

23 Nov  -34      Normal-fair       
MUFS:
   Cocos Island Region:
      No data available.
   Niue Island Region:
      Near predicted monthly values during local day.
      Depressed by 20% during local night.
      Depressed by 30% after local dawn.
   Northern Australian Region:
      Depressed by 20% during local day.
      Depressed by 25% during local night.
   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 over the UT day.

24 Nov  -31      Normal-fair       
MUFS:
   Cocos Island Region:
      No data available.
   Niue Island Region:
      Depressed by 20% during local day.
      Depressed by 40% during local night.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Depressed by 20% during local night.
   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 over the UT day.

25 Nov  -29      Normal-fair       
MUFS:
   Cocos Island Region:
      No data available.
   Niue Island Region:
      Near predicted monthly values during local day.
      Depressed by 35% during local night.
      Depressed by 25% after local dawn.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Depressed by 25% during local night.
   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 over the UT day.

26 Nov  -35      Normal-fair       
MUFS:
  Niue Island Region:
      Depressed by 30% during local day.
      Near predicted monthly values during local night.
   Northern Australian Region:
      Depressed by 20% during local day.
      Depressed by 15% during local night.
   Southern Australian Region:
      Depressed by 20% 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.

27 Nov  -39      Normal-fair       
MUFS:
   Niue Island Region:
      Depressed by 15% during local day.
      Depressed by 25% during local night.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Depressed by 35% during local night.
   Southern Australian Region:
      Near predicted monthly values during local day.
      Depressed by 15% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

Predicted Monthly T index for November:  -7

2. FORECAST (28 NOVEMBER - 04 DECEMBER) 
MUFS: Minor to moderate MUF depressions possible throughout this period.

Propagation conditions: Fair to poor from 1 to 3 December. Mostly normal to fair
on other days. No SWFs.

T index: -7
SWS HF Communications Warning 18 was issued on 26 November and 
is current for 27-29 Nov.

3. OUTLOOK (05 DECEMBER - 04 JANUARY)
Degraded HF propagation conditions possible:
28 to 30 December.

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.sws.bom.gov.au, and follow links to Educational->
Glossary on Solar Terrestrial Terms.

Space Weather Services              email: asfc at bom.gov.au
Bureau of Meteorology
PO Box 1386                         WWW: http://www.sws.bom.gov.au
Haymarket NSW 1240  AUSTRALIA       FTP: ftp://ftp-out.sws.bom.gov.au
tel: +61 2 9213 8010                fax: +61 2 9213 8060 

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