[Ips-dhfpr] SWS Daily HF Prop Report - 04 November 18 issued 2330 UT on 04 Nov 2018 [SEC=UNCLASSIFIED]

Regional Warning Centre rwc at ips.gov.au
Mon Nov 5 10:30:26 EST 2018


SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/04 NOVEMBER 2018 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (04 NOVEMBER) 
Date   T index  Conditions    
04 Nov   -20    Normal-fair    

Flares: none.

MUFs:
   Niue Island Region:
      Near predicted monthly values during local day.
      Enhanced by 20% during local night.
   Northern Australian Region:
      Depressed by 15% during local day.
      Depressed by 20% 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      -17
Nov      -7
Dec      -7


2. FORECAST (05 NOVEMBER - 07 NOVEMBER)
Date   T index  Conditions       MUFs                              
05 Nov   -30    Fair             Near predicted monthly values/depressed 
                                 20 to 40%
06 Nov   -25    Fair             Near predicted monthly values/depressed 
                                 20 to 30%    
07 Nov   -20    Normal-fair      Near predicted monthly values/depressed 
                                 10 to 20%   

COMMENT: MUFs were mainly near the monthly predicted levels over 
Australian and Antarctic region during UT day 4 November with 
minor to mild depressions observed in Northern Australian regions 
and minor to mild enhancements further north. Minor to moderate 
MUF depressions and degradations in HF conditions in the Aus/NZ 
regions may be expected for the next three days due to some possible 
enhancements in geomagnetic activity levels on 5 and 6 November 
and due to the continued very low levels of ionising radiation.

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