[Ips-dhfpr] IPS Daily HF Prop Report - 25 July 15 issued 0308 UT on 26 Jul 2015

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 03UT/26 JULY 2015 BY IPS RADIO AND SPACE SERVICES
N.B. Late release due to technical issues
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (25 JULY) 
Date   T index  Conditions    
25 Jul    43    Normal-fair    

Flares: none.

MUFs:
   Cocos Island Region:
      No data available..
   Niue Island Region:
      Depressed by 25% during local day 
      and after local dawn.
      Depressed by 35% during local night.
   Northern Australian Region:
      Depressed by 25% during local day.
      Depressed by 35% during local night.
   Southern Australian and New Zealand Region:
      Depressed by 20% during local day.
      Depressed by 15% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Extended periods of disturbance.

PCA Event : No event.

Monthly T index:
Month  T index
Jun      70
Jul      84
Aug      82


2. FORECAST (26 JULY - 28 JULY)
Date   T index  Conditions       MUFs                              
26 Jul    45    Normal           15 to 40% below predicted monthly 
                                 values
27 Jul    50    Normal           15 to 30% below predicted monthly 
                                 values    
28 Jul    50    Normal           15 to 30% below predicted monthly 
                                 values   

COMMENT: IPS HF Communications Warning 26 was issued on 23 July 
and is current for 24-26 Jul. IPS HF Warning 15/26 has been issued 
as a continuation of HF Warning 15/25. MUF depressions of up 
to 40% have been seen across much of the Australasian region 
over the last 24 hours. These conditions are due to low levels 
of ionising solar flux. Disturbed conditions also observed Antarctic 
region due to elevated geomagnetic activity. Expect similar conditions 
next three 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.

Space Weather Services              email: asfc at ips.gov.au
Bureau of Meteorology
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