[Ips-dhfpr] SWS Daily HF Prop Report - 09 May 17 issued 2349 UT on 09 May 2017 [SEC=UNCLASSIFIED]

rwc rwc at ips.gov.au
Wed May 10 09:49:50 EST 2017


SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/09 MAY 2017 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (09 MAY) 
Date   T index  Conditions    
09 May    12    Normal-fair    

Flares: none.

MUFs:
   Cocos Island Region:
      Enhanced by 15% during local day.
      Near predicted monthly values during local night.
   Niue Island Region:
      Depressed by 25% during local day.
      Near predicted monthly values during local night.
   Northern Australian Region:
      Depressed by 15% during local day.
      Near predicted monthly values during local night.
   Southern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 40% 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
Apr      14
May      12
Jun      12


2. FORECAST (10 MAY - 12 MAY)
Date   T index  Conditions       MUFs                              
10 May    10    Normal-fair      Near predicted monthly values
11 May     5    Normal-fair      Near predicted monthly values/depressed 
                                 10 to 20%    
12 May     5    Normal-fair      Near predicted monthly values/depressed 
                                 10 to 20%   

COMMENT: Variable MUF's observed over the UT day for 09May. Notable 
depressed MUFs for Equatorial and Northern AUS regions during 
local day and enhanced MUFs for Northern AUS and Southern AUS/NZ 
regions during local evening. Mostly poor ionospheric support 
for Antarctic regions. Similar conditions are expected for 10May. 
Possible disturbed ionospheric support for Antarctic regions 
and depressed MUFs for Southern AUS/NZ regions for 11May-12May 
due to anticipated increase in geomagnetic activity over the 
next 24-36 hours.

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