[Ips-dhfpr] IPS Daily HF Prop Report - 22 January 14 issued 2330 UT on 22 Jan 2014

Regional Warning Centre rwc at ips.gov.au
Thu Jan 23 10:30:28 EST 2014


SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/22 JANUARY 2014 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (22 JANUARY) 
Date   T index  Conditions    
22 Jan   108    Enhanced         

Flares: none.

MUFs:
   Cocos Island Region:
      No data available during local day.
      No data available during local night.
   Niue Island Region:
      Near predicted monthly values during local day.
      Enhanced by 15% during local night.
   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.

Monthly T index:
Month  T index
Dec      130
Jan      73
Feb      71


2. FORECAST (23 JANUARY - 25 JANUARY)
Date   T index  Conditions       MUFs                              
23 Jan   115    Enhanced         Near to 15% above predicted 
                                 monthly values
24 Jan   120    Enhanced         Near to 15% above predicted 
                                 monthly values    
25 Jan   115    Enhanced         Near to 15% above predicted 
                                 monthly values   

COMMENT: The ionospheric propagation support softened throughout 
the Australian region during 22 Jan UT. The strongly enhanced 
conditions which occurred at the east coast stations Brisbane, 
Sydney, Canberra and Hobart during 21 Jan UT returned to near 
monthly predicted values during 22 Jan UT. However, the west 
coast stations Perth and Learmonth recorded strongly enhanced 
conditions (T=150). There may have been a westward migration 
of the strong enhancement during 21-22 Jan. The ionospheric 
support at Australian Antarctic stations collapsed to below 
monthly predicted values during 22 Jan, possibly due to polar 
geomagnetic activity. The ionospheric propagation support at 
Darwin was exceptional (local T=170), with enhancements up to 
76% during the night.

----------------------------------------------------------
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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tel: +61 2 9213 8010                fax: +61 2 9213 8060 

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