[Ips-dhfpr] IPS Daily HF Prop Report - 13 May 13 issued 2330 UT on 13 May 2013

Regional Warning Centre rwc at ips.gov.au
Tue May 14 09:30:20 EST 2013


SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/13 MAY 2013 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (13 MAY) 
Date   T index  Conditions    
13 May    76    Normal         

Flares    Max     Fadeout    Freq.  Sectors
  M1.2 12/2246UT  possible   lower  East Pacific/
                                    North American
  X1.8    0217UT  probable   all    E. Asia/Aust.
  M1.3    1204UT  possible   lower  European
  X2.9    1605UT  probable   all    South American/
                                    Atlantic

MUFs:
   Cocos Island Region:
      Enhanced by 30% during local day.
      Near predicted monthly values during local night.
   Niue Island Region:
      Near predicted monthly values.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

PCA Event : No event.

Predicted Monthly T index for May:  69


2. FORECAST (14 MAY - 16 MAY)
Date   T index  Conditions       MUFs                              
14 May    85    Normal           Near predicted monthly values
15 May    70    Normal           Near predicted monthly values    
16 May    70    Normal           Near predicted monthly values   

COMMENT: IPS SWF HF Communications Warning 9 was issued on 13 
May and is current for 14-15 May. Mostly normal ionospheric support 
observed over the AUS/NZ region for the last 24 hours. MUFs expected 
to be near predicted monthly values 14-May, with a chance of 
depressed periods for Southern AUS/NZ regions 15-16 May. Short 
wave fadeouts possible next two days with a reasonable chance 
of isolated M and X flares from solar active regions.

----------------------------------------------------------
For an explanation of some of the terms in this report, go to
http://www.ips.gov.au, and follow links to Educational->
Glossary on Solar Terrestrial Terms.

IPS Radio and Space Services        email: asfc at ips.gov.au
PO Box 1386                         WWW: http://www.ips.gov.au
Haymarket NSW 1240  AUSTRALIA       FTP: ftp://ftp.ips.gov.au 
tel: +61 2 9213 8010                fax: +61 2 9213 8060 

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