[Ips-dhfpr] IPS Daily HF Prop Report - 30 May 05

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 30/2330Z MAY 2005 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    50    Normal-fair    

Flares: none.

MUFs:
   Equatorial PNG Region:
      Depressed by 20% during local day,
      Enhanced by 100% during local night.
      Enhanced by 60% after local dawn.
   Northern Australian Region:
      Near predicted monthly values during local day,
      Enhanced by 85% during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day at most
      sites. MUFs at Hobart were 30% depressed during the local
      day. Enhanced by 15% during local night.
      Depressed by 25% after local dawn this morning.
   Antarctic Region (Casey/Scott Base):
      Depressed by 15% over the UT day.

PCA Event : No event.

Predicted Monthly T index for May:  27
2. FORECAST (31 MAY - 02 JUNE)
Date   T index  Conditions       MUFs                              
31 May    40    Normal           near predicted to 15% enahnced (north Aus)
31 May   -10    Poor to Fair     depressed 20 to 30% (south Aus).
01 Jun    35    Normal           Near predicted monthly values     
02 Jun    35    Normal           Near predicted monthly values    
COMMENT: IPS HF Communications Warning 25 was issued on 30 May 
and is current for interval 31 May only. Northern Aus region 
MUFs were enhanced yesterday particularly during local night 
hours, probably in association with overnight geomagnetic storm 
activity. Southern region MUFs have become depressed after local 
dawn (particularly at Christchurch and Hobart) this morning, 
and are expected to gradually recover later today. 
----------------------------------------------------------
For an explanation of some of the terms in this report, goto
http://www.ips.gov.au, and follow links to Educational->
Gloassary on Solar Terrestrial Terms.

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