[Ips-dhfpr] IPS Daily HF Prop Report - 13 December 15 issued 2330 UT on 13 Dec 2015 [SEC=UNCLASSIFIED]

[Regional Warning Centre]

SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/13 DECEMBER 2015 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (13 DECEMBER) 
Date   T index  Conditions    
13 Dec    68    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Near predicted monthly values.
   Niue Island Region:
      Enhanced by 35% during local day.
      Enhanced by 15% during local night.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 15% during local night.
   Southern Australian Region:
      Mostly near predicted monthly values.
   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 (14 DECEMBER - 16 DECEMBER)
Date   T index  Conditions       MUFs                              
14 Dec    63    Normal           Near predicted monthly values
15 Dec    40    Normal-fair      Near predicted monthly values    
16 Dec    30    Normal           15 to 20% below predicted monthly 
                                 values   

COMMENT: IPS HF Communications Warning 80 was issued on 13 December 
and is current for 15-17 Dec. HF conditions were near predicted 
monthly MUFs during the UT day, 13 December, over the Australian 
region. Isolated periods of blanketing sporadic-E conditions 
were observed in the Australasian region. Expect near predicted 
MUFs today, 14 December. On the 15-16 December expect some degraded 
HF conditions and with possible slight to moderate depression 
due to an expected minor geomagnetic storm.

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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
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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