[Ips-dhfpr] SWS Daily HF Prop Report - 22 September 18 issued 2349 UT on 22 Sep 2018 [SEC=UNCLASSIFIED]

rwc rwc at ips.gov.au
Sun Sep 23 09:49:36 EST 2018


SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/22 SEPTEMBER 2018 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (22 SEPTEMBER) 
Date   T index  Conditions    
22 Sep     5    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      No data available.
   Niue Island Region:
      Near predicted monthly values during local day.
      Enhanced by 15% during local night.
   Northern Australian Region:
      Depressed by 20% during local day.
      Near predicted monthly values during local night.
      Enhanced by 25% after local dawn.
   Southern Australian 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
Aug      1
Sep      -4
Oct      -4


2. FORECAST (23 SEPTEMBER - 25 SEPTEMBER)
Date   T index  Conditions       MUFs                              
23 Sep     5    Normal           Near predicted monthly values
24 Sep     5    Normal           Near predicted monthly values    
25 Sep     5    Normal           Near predicted monthly values   

COMMENT: Minor MUF enhancements observed for Northern AUS/Equatorial 
regions over the last 24 hours, with MUFs near predicted monthly 
values for Southern AUS/NZ and Antarctic regions. Similar HF 
conditions are expected over the next 3 days with chance of variable 
ionospheric support for Equatorial/Northern AUS to Southern AUS/NZ 
regions with possible enhancements and minor depressed MUFs. 
Disturbed conditions for Antarctic regions due to anticipated 
increase in geomagnetic activity.

----------------------------------------------------------
For an explanation of some of the terms in this report, go to
http://www.sws.bom.gov.au, and follow links to Educational->
Glossary on Solar Terrestrial Terms.

Space Weather Services              email: asfc at bom.gov.au
Bureau of Meteorology
PO Box 1386                         WWW: http://www.sws.bom.gov.au
Haymarket NSW 1240  AUSTRALIA       FTP: ftp://ftp-out.sws.bom.gov.au
tel: +61 2 9213 8010                fax: +61 2 9213 8060 

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