[Ips-dhfpr] SWS Daily HF Prop Report - 19 November 16 issued 2330 UT on 19 Nov 2016 [SEC=UNCLASSIFIED]

Regional Warning Centre rwc at ips.gov.au
Sun Nov 20 10:30:41 EST 2016


SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/19 NOVEMBER 2016 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (19 NOVEMBER) 
Date   T index  Conditions    
19 Nov    11    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Near predicted monthly values.
   Niue Island Region:
      Near predicted monthly values during local day.
      Depressed by 30% during local night.
   Northern Australian Region:
      Depressed by 20% during local day.
      Near predicted monthly values 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
Oct      10
Nov      26
Dec      25


2. FORECAST (20 NOVEMBER - 22 NOVEMBER)
Date   T index  Conditions       MUFs                              
20 Nov    10    Normal           Near predicted monthly values/depressed 
                                 10 to 20%
21 Nov    10    Normal           Near predicted monthly values/depressed 
                                 10 to 20%    
22 Nov     5    Fair             Near predicted monthly values/depressed 
                                 10 to 25%   

COMMENT: SWS HF Communications Warning 61 was issued on 19 November 
and is current for 22 Nov only. Depressed HF conditions observed 
over the Northern Australian region during local day light hours 
and near predicted MUFs for the local night for the UT day, 19 
November. The Southern Australian region observed near predicted 
MUFs over the UT day. Expect these conditions to prevail 20-21 
November. Expect possible minor degradations in HF communications 
on 22 November due to geomagnetic activity. Isolated cases of 
sporadic E were noted throughout the Australian region.

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