[Ips-dhfpr] IPS Daily HF Prop Report - 19 July 13 issued 2331 UT on 19 Jul 2013

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/19 JULY 2013 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (19 JULY) 
Date   T index  Conditions    
19 Jul    79    Normal         

Flares: none.

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.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

PCA Event : No event.

Predicted Monthly T index for July:  69


2. FORECAST (20 JULY - 22 JULY)
Date   T index  Conditions       MUFs                              
20 Jul    85    Normal-fair      Near to 15% above predicted 
                                 monthly values
21 Jul    75    Normal           Near predicted monthly values    
22 Jul    75    Normal           Near predicted monthly values   

COMMENT: IPS Preliminary HF Communications Warning 21 was issued 
on 18 July and is current for 19-20 Jul. MUFs were near predicted 
monthly values at most locations over the last 24 hours and HF 
conditions were normal at most Aus locations with some degraded 
conditions at high latitude (sub/Antarctic) sites. Expect MUFs 
mostly near predicted monthly values 20 Jul. Ongoing degraded 
HF conditions expected at high latitude locations 20 Jul due 
to elevated geomagnetic activity.

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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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