[Ips-dhfpr] SWS Daily HF Prop Report - 11 September 18 issued 2330 UT on 11 Sep 2018 [SEC=UNCLASSIFIED]

[Regional Warning Centre]

SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/11 SEPTEMBER 2018 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (11 SEPTEMBER) 
Date   T index  Conditions    
11 Sep     6    Normal         

Flares: none.

MUFs:
   Niue Island Region:
      Near predicted monthly values.
   Northern Australian Region:
      Mostly near predicted monthly values.
      Enhanced by 25% after local dawn.
   Southern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 20% during local night.
   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
Aug      1
Sep      -4
Oct      -4


2. FORECAST (12 SEPTEMBER - 14 SEPTEMBER)
Date   T index  Conditions       MUFs                              
12 Sep    -4    Fair             Near predicted monthly values/depressed 
                                 20 to 30%
13 Sep     0    Normal-fair      Near predicted monthly values/depressed 
                                 10 to 20%    
14 Sep     2    Normal           Near predicted monthly values   

COMMENT: SWS HF Communications Warning 9 was issued on 11 September 
and is current for 11-12 Sep. Mostly normal HF conditions were 
observed in the Australian/NZ regions on UT day 11 September 
with periods of minor to mild MUF enhancements in the Northern 
and Central areas. Minor to moderate MUF depressions and degradations 
in HF conditions may be expected on UT days 12 and 13 September 
due to the continued increased geomagnetic activity on these days. 
HF conditions in this region may start turning back to normal 
from UT day 14 Septembr.

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