[Ips-whfpr] SWS Weekly Prop. Report (05 December 18) issued 0201 UT on 05 Dec 2018 [SEC=UNCLASSIFIED]

[rwc]

SUBJ: SWS WEEKLY HF PROPAGATION REPORT
ISSUED ON 05 DECEMBER 2018 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (28 NOVEMBER - 04 DECEMBER)
Date   T index   Conditions        
28 Nov  -37      Normal-fair       
MUFS:
   Niue Island Region:
      Depressed by 25% during local day.
      Depressed by 30% during local night.
      Depressed by 25% after local dawn.
   Northern Australian Region:
      Near predicted monthly values 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):
      Depressed by 15% over the UT day.

29 Nov  -30      Normal-fair       
MUFS:
 Niue Island Region:
      Depressed by 20% during local day.
      Near predicted monthly values during local night.
   Northern Australian Region:
      Mostly near predicted monthly values.
      Depressed by 20% after local dawn.
   Southern Australian Region:
      Depressed by 15% during local day.
      Depressed by 20% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

30 Nov  -46      Normal-poor       
MUFS:
   Niue Island Region:
      Depressed by 15% during local day.
      Depressed by 25% during local night.
      Depressed by 30% after local dawn.
   Northern Australian Region:
      Depressed by 15% during local day.
      Depressed by 40% during local night.
      Depressed by 20% after local dawn.
   Southern Australian Region:
      Depressed by 15% during local day.
      Depressed by 15% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

01 Dec  -34      Normal-fair       
MUFS:
   Niue Island Region:
      Depressed by 20% during local day.
      Depressed by 30% during local night.
      Depressed by 20% after local dawn.
   Northern Australian Region:
      Mostly near predicted monthly values.
      Depressed by 20% after local dawn.
   Southern Australian Region:
      Depressed by 15% during local day.
      Depressed by 15% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

02 Dec  -35      Normal-fair       
MUFS:
   Niue Island Region:
      Mostly near predicted monthly values.
   Northern Australian Region:
      Mostly near predicted monthly values.
   Southern Australian Region:
      Depressed by 30% during local day.
      Depressed by 15% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Depressed by 20% over the UT day.

03 Dec  -35      Normal-fair       
MUFS:
   Niue Island Region:
      Depressed by 35% during local day.
      Depressed by 20% 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):
      Depressed by 15% over the UT day.

04 Dec  -38      Normal-fair       
MUFS:
   Niue Island Region:
      Depressed by 20% during local day.
      Near predicted monthly values during local night.
   Northern Australian Region:
      Depressed by 20% during local day.
      Depressed by 35% 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):
      Depressed by 15% over the UT day.

Predicted Monthly T index for December:  -8

2. FORECAST (05 DECEMBER - 11 DECEMBER) 
MUFS: Minor to moderate MUF depressions possible throughout this period.

Propagation conditions: Fair on 5 Dec. Otherwise normal to fair. No SWFs.

T index: -8
SWS HF Communications Warning 21 was issued on 4 December and 
is current for 5 Dec only.

3. OUTLOOK (12 DECEMBER - 11 JANUARY)
Degraded HF propagation conditions possible:
29 Dec

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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