[Ips-dhfpr] IPS Daily HF Prop Report - 30 May 14 issued 2330 UT on 30 May 2014

Regional Warning Centre rwc at ips.gov.au
Sat May 31 09:30:29 EST 2014


SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/30 MAY 2014 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (30 MAY) 
Date   T index  Conditions    
30 May    62    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Near predicted monthly values during local day.
      Depressed by 20% during local night.
      Depressed by 25% after local dawn.
   Niue Island Region:
      Near predicted monthly values during local day.
      Depressed by 20% during local night.
   Northern Australian Region:
      Depressed by 15% during local day.
      Depressed by 25% during local night.
      Depressed by 20% after local dawn.
   Southern Australian and New Zealand Region:
      Depressed by 15% during local day.
      Depressed by 15% 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      115
May      91
Jun      90


2. FORECAST (31 MAY - 02 JUNE)
Date   T index  Conditions       MUFs                              
31 May    60    Normal           15 to 35% below predicted monthly 
                                 values
01 Jun    60    Normal           15 to 35% below predicted monthly 
                                 values    
02 Jun    60    Normal           Near predicted monthly values/depressed 
                                 15 to 35%   

COMMENT: IPS HF Communications Warning 26 was issued on 30 May 
and is current for 31 May to 2 Jun. Variable depressions to 25% 
observed in the Australian region as EUV levels decline due to 
a decrease in sunspot numbers. Expect similar conditions over 
the next three days. Note MUFs are expected to remain lower than 
predicted due to this decrease in EUV.

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