[Ips-dhfpr] IPS Daily HF Prop Report - 13 July 12 issued 2350 UT on 13 Jul 2012

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/13 JULY 2012 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (13 JULY) 
Date   T index  Conditions    
13 Jul    69    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Enhanced by 40% 07-210UT.
      Depressed by 30% 18-22UT. Sporadic-E observed
      19-20UT with depressions to 20%.
   Niue Island Region:
      Near predicted monthly values during local day.
      Depressed to 30% 11-13, 17UT.
   Northern Australian Region:
      Near predicted monthly values during local day
      with occasional enhancements to 30%.
      Depressed by 30% during local night.
      Spread-F 12-20UT at Townsville. 
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day.
      Depressed by 20% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Generally weak ionospheric support over the UT day.

PCA Event : No event.

Predicted Monthly T index for July:  77


2. FORECAST (14 JULY - 16 JULY)
Date   T index  Conditions       MUFs                              
14 Jul    65    Fair             Near predicted monthly values/depressed 
                                 10-20%.
15 Jul    55    Normal           Near predicted monthly values/depressed 
                                 10-30%.    
16 Jul    55    Normal           Near predicted monthly values/depressed 
                                 10-30%.   

COMMENT: Propagation conditions mostly normal Equatorial/Aus 
regions with mild night-time MUF depressions. Continuing poor 
ionospheric support Antarctic region. Chance of isolated short-wave 
fadeout events. Possible significant disturbance days one and 
two due to CME impact from the X-class flare observed late on 
Jul 12.

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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.

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