[Ips-dhfpr] IPS Daily HF Prop Report - 14 December 13 issued 2349 UT on 14 Dec 2013

rwc rwc at ips.gov.au
Sun Dec 15 10:49:50 EST 2013


SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/14 DECEMBER 2013 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (14 DECEMBER) 
Date   T index  Conditions    
14 Dec   133    Normal         

Flares: none.

MUFs:
  Niue Island Region:
      Enhanced by 20% during local day.
      Enhanced by 15% during local night.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 35% during local night.
   Southern Australian and New Zealand Region:
      Enhanced by 15% during local day.
      Enhanced 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
Nov      117
Dec      73
Jan      71


2. FORECAST (15 DECEMBER - 17 DECEMBER)
Date   T index  Conditions       MUFs                              
15 Dec   115    Normal           Near to 15% above predicted 
                                 monthly values
16 Dec   125    Normal           Near to 15% above predicted 
                                 monthly values    
17 Dec   125    Normal           Near to 15% above predicted 
                                 monthly values   

COMMENT: Enhanced MUFs observed across all Australian and NZ 
regions over the last 24 hours with degraded ionospheric support 
for Antarctic regions due to increased geomagnetic activity. 
Notable sporadic E observed for IPS Hobart station throughout 
the UT day. Normal ionospheric support expected for Australian 
and NZ regions for the next 24 hours with enhanced MUF's 15% 
for Northern AUS/Equatorial regions. Return to enhanced conditions 
for entire Australia and NZ regions for 16Dec to 17Dec as geomagnetic 
activity subsides and continued strong ionising EUV flux (f10.7cm) 
levels.

----------------------------------------------------------
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.

IPS Radio and Space Services        email: asfc at ips.gov.au
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