[Ips-dhfpr] IPS Daily HF Prop Report - 18 May 14 issued 2330 UT on 18 May 2014

[Regional Warning Centre]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/18 MAY 2014 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (18 MAY) 
Date   T index  Conditions    
18 May    85    Normal         

Flares: C class flares.

MUFs:
   Cocos Island Region:
      No data available during local day.
      No data available during local night.
   Niue Island Region:
      No data available during local day.
      No data available during local night.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day.
      Depressed by 15% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

PCA Event : No event.

Monthly T index:
Month  T index
Apr      115
May      91
Jun      90


2. FORECAST (19 MAY - 21 MAY)
Date   T index  Conditions       MUFs                              
19 May    90    Normal           Near predicted monthly values
20 May    85    Normal           Near predicted monthly values    
21 May    85    Normal           Near predicted monthly values   

COMMENT: HF conditions were near predicted monthly values at 
most Australian region stations during 18 May. Conditions were 
slightly depressed at Perth (station T=76), but more depressed 
further north at Learmonth (station T=66), especially during 
the night. Strong frequency spread F conditions occurred at Hobart 
last night. The 10.7 cm solar flux is trending downward and the 
multiday outlook is for a softening of ionospheric support.

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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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