[Ips-dhfpr] IPS Daily HF Prop Report - 24 January 12 issued 2331 UT on 24 Jan 2012

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 24/2330Z JANUARY 2012 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (24 JANUARY) 
Date   T index  Conditions    
24 Jan    90    Normal-fair    

Flares: none.

MUFs:
   Cocos Island Region:
      No data available.
   Niue Island Region:
      Enhanced by 15% during local day.
      Near predicted monthly values during local night.
   Northern Australian Region:
      Near predicted monthly values until 15UT,
      Depressed by 20% afterwards.
   Southern Australian and New Zealand Region:
      Enhanced by 15% during until 15UT,
      Near predicted monthly values afterwards.
      Depressed by 20% after local dawn.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Proton event in progress, increased absorption observed.

PCA Event : 10Mev Proton/PCA Event Began 23 01 2012 1645UT and is in progress

Predicted Monthly T index for January:  76
2. FORECAST (25 JANUARY - 27 JANUARY)
Date   T index  Conditions       MUFs                              
25 Jan    50    Normal           15 to 30% below predicted monthly 
                                 values
26 Jan    60    Normal           10 to 20% below predicted monthly 
                                 values    
27 Jan    60    Normal           Near predicted monthly values   

COMMENT: IPS HF Communications Warning 2 was issued on 24 January 
and is current for 24-26 Jan MUFs were generally around predicted 
monthly values until around 15UT when geomagnetic storm effects 
depressed the MUFs by around 20%. Depressions are expected to 
continue into the first day of the forecast, improving somewhat 
over days 2 and 3.

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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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