[Ips-dhfpr] SWS Daily HF Prop Report - 27 August 18 issued 2330 UT on 27 Aug 2018 [SEC=UNCLASSIFIED]

Regional Warning Centre rwc at ips.gov.au
Tue Aug 28 09:30:23 EST 2018


SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/27 AUGUST 2018 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (27 AUGUST) 
Date   T index  Conditions    
27 Aug    -4    Normal-fair    

Flares: none.

MUFs:
   Cocos Island Region:
      No data available during local day.
      No data available during local night.
   Niue Island Region:
      Near predicted monthly values during local day.
      Enhanced by 15% during local night.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian Region:
      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
Jul      6
Aug      -3
Sep      -4


2. FORECAST (28 AUGUST - 30 AUGUST)
Date   T index  Conditions       MUFs                              
28 Aug   -10    Normal           Near predicted monthly values
29 Aug   -10    Normal           Near predicted monthly values    
30 Aug     0    Normal           Near predicted monthly values   

COMMENT: MUFs were mostly near monthly predicted values across 
the Aus/NZ regions for 27 Aug. Poor ionospheric support for Antarctic 
regions due to elevated geomagnetic activity. Incidents of sporadic-E 
were observed across Australia. Mildly depressed MUFs for Southern 
AUS/NZ regions and continued periods of disturbed ionospheric 
support for Antarctic regions are expected for 28-29 Aug due 
to recent geomagnetic activity. MUFs are expected to return to 
near predicted monthly values by 30 Aug for all regions.

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