[Ips-dhfpr] IPS Daily HF Prop Report - 22 August 14 issued 2330 UT on 22 Aug 2014

[Regional Warning Centre]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/22 AUGUST 2014 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (22 AUGUST) 
Date   T index  Conditions    
22 Aug    64    Fair-normal    

Flares    Max     Fadeout    Freq.  Sectors
  M1.2    0629UT  possible   lower  Mid East/Indian

MUFs:
   Cocos Island Region:
      Near predicted monthly values 00-01, 03-13 UT.
      Depressed 20-40% 02, 14-23 UT.
   Niue Island Region:
      Depressed 20-40% 05-13, 19 UT. Near predicted
      monthly values at other times.
   Northern Australian Region:
      Depressed 20-40% 14-21 UT at Darwin. Depressed
      20-30% 02-03, 08-15,17-23 UT at Townsville.
      Near predicted monthly values at other times.
   Southern Australian and New Zealand Region:
      Near predicted monthly values. Depressed 20-25%
      08-12, 21-23 UT. Depressions of 20-35% at Learmonth
      11-18 UT. Depressions of 25-40% at Hobart 00-14, 16
      and 19 UT.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Mostly 20-45% depressed.

PCA Event : No event.

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


2. FORECAST (23 AUGUST - 25 AUGUST)
Date   T index  Conditions       MUFs                              
23 Aug    70    Normal           Near predicted monthly values 
                                 to 20% depressed.
24 Aug    65    Normal           Near predicted monthly values 
                                 to 20% depressed.    
25 Aug    65    Normal           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) 23-25 Aug. Spread F observed at Hobart 09-20 
UT and Townsville 12-17 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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