[Ips-dhfpr] IPS Daily HF Prop Report - 18 November 15 issued 2330 UT on 18 Nov 2015 [SEC=UNCLASSIFIED]

Regional Warning Centre rwc at ips.gov.au
Thu Nov 19 10:30:34 EST 2015


SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/18 NOVEMBER 2015 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (18 NOVEMBER) 
Date   T index  Conditions    
18 Nov    75    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Enhanced by 15% during local day.
      Near predicted monthly values during local night.
   Niue Island Region:
      Near predicted monthly values.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 15% during local night.
   Southern Australian Region:
      Mostly near predicted monthly values.
      Depressed by 25% 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
Oct      37
Nov      66
Dec      65


2. FORECAST (19 NOVEMBER - 21 NOVEMBER)
Date   T index  Conditions       MUFs                              
19 Nov    55    Normal-fair      Near predicted monthly values/depressed 
                                 10 to 30%
20 Nov    65    Normal-fair      Near predicted monthly values/depressed 
                                 5 to 20%    
21 Nov    75    Normal           Near predicted monthly values   

COMMENT: IPS HF Communications Warning 73 was issued on 18 November 
and is current for 19-20 Nov. MUFs were mostly near predicted 
values across the Australian region on 18 November. Minor to 
moderate MUF depressions may be expected on 19 and 20 November, 
especially in the Southern Aus/NZ regions due to an expected 
rise in geomagnetic activity levels on these days. Conditions 
may gradually return to near normal by 21 November.

----------------------------------------------------------
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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