[Ips-dhfpr] IPS Daily HF Prop Report - 19 August 12 issued 2333 UT on 19 Aug 2012

rwc rwc at ips.gov.au
Mon Aug 20 09:33:07 EST 2012


SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/19 AUGUST 2012 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (19 AUGUST) 
Date   T index  Conditions    
19 Aug    58    Normal         

Flares    Max     Fadeout    Freq.  Sectors
  M1.3 18/2323UT  possible   lower  West Pacific

MUFs:
   Cocos Island Region:
      Near predicted monthly values during local day.
      Depressed by 35% during local night.
   Niue Island Region:
      Near predicted monthly values.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Depressed by 15% during local night.
   Southern Australian and New Zealand Region:
      Depressed by 15% during local day.
      Near predicted monthly values during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Depressed by 15% over the UT day.

PCA Event : No event.

Predicted Monthly T index for August:  77


2. FORECAST (20 AUGUST - 22 AUGUST)
Date   T index  Conditions       MUFs                              
20 Aug    70    Normal           Near predicted monthly values
21 Aug    70    Normal           Near predicted monthly values    
22 Aug    75    Normal           Near predicted monthly values   

COMMENT: IPS HF Communications Warning 30 was issued on 17 August 
and is current for 18-20 Aug (SWFs). Over the last 24 hours, 
nighttime MUFs were depressed in the northern Australian region 
as were daytime MUFs in the south. Near monthly predicted MUFs 
are expected for the next 3 days.

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