[Ips-dhfpr] IPS Daily HF Prop Report - 11 December 15 issued 2330 UT on 11 Dec 2015 [SEC=UNCLASSIFIED]

[Regional Warning Centre]

SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/11 DECEMBER 2015 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (11 DECEMBER) 
Date   T index  Conditions    
11 Dec    38    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Enhanced by 15% during local day.
      Near predicted monthly values during local night.
   Niue Island Region:
      Mostly near predicted monthly values.
   Northern Australian Region:
      Depressed by 25% during local day.
      Near predicted monthly values during local night.
      Depressed by 20% after local dawn.
   Southern Australian Region:
      Depressed by 20% during local day.
      Near predicted monthly values during local night.
      Depressed by 30% after local dawn.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

PCA Event : No event.

Monthly T index:
Month  T index
Nov      55
Dec      63
Jan      63


2. FORECAST (12 DECEMBER - 14 DECEMBER)
Date   T index  Conditions       MUFs                              
12 Dec    35    Normal           Depressed 15%-25% to near predicted 
                                 monthly values
13 Dec    63    Normal           Near predicted monthly values    
14 Dec    63    Normal           Near predicted monthly values   

COMMENT: IPS HF Communications Warning 79 was issued on 11 December 
and is current for 12 Dec only. HF conditions were near predicted 
monthly values to moderately depressed during the UT day, 11 
December, over the Australian region. Isolated periods of blanketing 
sporadic-E conditions were observed in the Australasian region. 
Expect near predicted MUFs to slightly depressed today, 12 December, 
followed by a return to near predicted MUFs.

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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 ips.gov.au
Bureau of Meteorology
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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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