[Ips-dhfpr] IPS Daily HF Prop Report - 23 August 14 issued 2330 UT on 23 Aug 2014

[Regional Warning Centre]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/23 AUGUST 2014 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (23 AUGUST) 
Date   T index  Conditions    
23 Aug    61    Fair-normal    

Flares: none.

MUFs:
   Cocos Island Region:
      Depressed 20-40% 04-05, 07-09, 14-23 UT. Near
      predicted monthly values at other times.
   Niue Island Region:
      Depressed 20-30% 02-12, 15, 23 UT. Near predicted
      monthly values at other times.
   Northern Australian Region:
      Depressed 20-35% 02-04, 09, 12-18, 21 UT at Darwin
      and 03, 09, 11-17 UT at Townsville. Near predicted
      monthly values at other times.
   Southern Australian and New Zealand Region:
      Some depressions to 20% 00-07 UT and 20-30%
      10-20 UT. Near predicted monthly values at other
      times.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values with occasional
      depressions to 25%.

PCA Event : No event.

Monthly T index:
Month  T index
Jul      68
Aug      91
Sep      87


2. FORECAST (24 AUGUST - 26 AUGUST)
Date   T index  Conditions       MUFs                              
24 Aug    70    Normal           Near predicted monthly values 
                                 to 20% depressed.
25 Aug    70    Normal           Near predicted monthly values 
                                 to 20% depressed.    
26 Aug    70    Normal-fair      Near predicted monthly values 
                                 to 20% depressed.   

COMMENT: IPS SWF HF Communications Warning 41 was issued on 21 
August and is current for 22-24 Aug. Chance of sudden ionospheric 
disturbance (SWF) 24-25 Aug. Spread F observed at Brisbane, Canberra, 
Hobart, Sydney 09-20 UT and Norfolk Is. 13-18 UT.

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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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tel: +61 2 9213 8010                fax: +61 2 9213 8060 

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