[Ips-dhfpr] IPS Daily HF Prop Report - 18 December 13 issued 2330 UT on 18 Dec 2013

[Regional Warning Centre]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/18 DECEMBER 2013 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (18 DECEMBER) 
Date   T index  Conditions    
18 Dec   141    Normal         

Flares: none.

MUFs:
   Niue Island Region:
      Enhanced by 15% during local day.
   Northern Australian Region:
      Enhanced by 15% during local day.
      Enhanced by 30% during local night.
      Enhanced by 25% after local dawn.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day.
      Enhanced by 25% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Enhanced by 20% over the UT day.

PCA Event : No event.

Monthly T index:
Month  T index
Nov      117
Dec      73
Jan      71


2. FORECAST (19 DECEMBER - 21 DECEMBER)
Date   T index  Conditions       MUFs                              
19 Dec   140    Normal           Near to 15% above predicted 
                                 monthly values
20 Dec   140    Normal           Near to 15% above predicted 
                                 monthly values    
21 Dec   140    Normal           Near to 15% above predicted 
                                 monthly values   

COMMENT: Enhanced MUFs observed for Australasian region over 
the last 24 hours, particularly in near-equatorial northern regions 
with an enhanced equatorial anomaly, particularly at night. Strong 
sporadic Es, either partially or completely blanketing, observed 
on the mid east coast (NSW/ACT) in the middle of the day and 
evening. Weaker Es observed in the south-west of WA around midday 
and midnight and in the south-east (TAS) in the late afternoon 
and late evening. Normal to enhanced ionospheric support expected 
to continue for Australian and NZ regions for the next 3 days 
with enhanced MUF's of approx 15%.

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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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