[Ips-dhfpr] IPS Daily HF Prop Report - 22 October 14 issued 2331 UT on 22 Oct 2014

[Regional Warning Centre]

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

1. SUMMARY (22 OCTOBER) 
Date   T index  Conditions    
22 Oct    93    Normal         

Flares    Max     Fadeout    Freq.  Sectors
  M8.7    0201UT  probable   lower  E. Asia/Aust.
  M2.7    0517UT  possible   lower  E. Asia/Aust.
  X1.7    1428UT  probable   all    South American/Atlantic
  M1.4    1557UT  possible   lower  South American/Atlantic

MUFs:
   Cocos Island Region:
      Near predicted monthly values. Enhanced 25-30%
      21-22 UT.
   Niue Island Region:
      Enhanced 25-40% 00-08, 11-12, 21-23 UT. Near
      predicted monthly values at other times.
   Northern Australian Region:
      Near predicted monthly values. Enhanced 20-35%
      20-22 UT at Townsville. No Townsville data 06-19 UT.
   Southern Australian and New Zealand Region:
      Near predicted monthly values with enhancements to
      25% 09-18 UT. Learmonth and Perth depressed to 30%
      00-10 UT then near predicted monthly values.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values to 30% enhanced.
      Mawson depressed to 30% 12-18 UT.

PCA Event : No event.

Monthly T index:
Month  T index
Sep      90
Oct      86
Nov      83


2. FORECAST (23 OCTOBER - 25 OCTOBER)
Date   T index  Conditions       MUFs                              
23 Oct   105    Normal-fair      Near to 15% above predicted 
                                 monthly values
24 Oct    90    Normal           Near predicted monthly values    
25 Oct    95    Normal           Near predicted monthly values   

COMMENT: IPS SWF HF Communications Warning 52 was issued on 22 
October and is current for 22-24 Oct. Sudden ionospheric disturbance 
~~0130-0300 UT and briefly ~0520 UT. Night spread F observed at 
Hobart and Perth. Possible sudden ionospheric disturbances (SWFs) 
over the forecast period.

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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.

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