[Ips-dhfpr] ASWFC Daily HF Prop Report - 26 November 23 issued 2331 UT on 26 Nov 2023 [SEC=OFFICIAL]

[Regional Warning Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/26 NOVEMBER 2023
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (26 NOVEMBER) 
Date   T index  Conditions    
26 Nov    57    Poor           

Flares: none.

MUFs:
   Cocos Island Region:
      Mostly near predicted monthly values.
      Enhanced by 35% after local dawn.
   Niue Island Region:
      Near predicted monthly values during local day.
      Depressed by 15% during local night.
   Northern Australian Region:
      Depressed by 50% during local day.
      Depressed by 15% during local night.
   Southern Australian Region:
      Depressed by 30% during local day.
      Near predicted monthly values during local night.
   Antarctic Region (Casey/Davis/Mawson):
      Depressed by 20% over the UT day.

PCA Event : No event.

Monthly T index:
Month  T index
Oct      130
Nov      100
Dec      98


2. FORECAST (27 NOVEMBER - 29 NOVEMBER)
Date   T index  Conditions       MUFs                              
27 Nov   100    Normal           Near predicted monthly values
28 Nov   100    Normal           Near predicted monthly values    
29 Nov   100    Normal           Near predicted monthly values   

COMMENT: Maximum usable frequencies (MUFs) were depressed by 
up to 50% during the local day on 26-Nov. Mild spread-F was observed 
at Hobart and Canberra during local night hours. Due to a lack 
of overnight geomagnetic activity Australian regional MUFs now 
are expected to be near normal for 27-29 Nov.

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

Australian Space Weather Forecasting Centre
Bureau of Meteorology
ASWFC at bom.gov.au
www.bom.gov.au | www.sws.bom.gov.au