[Ips-dhfpr] ASWFC Daily HF Prop Report - 21 November 22 issued 2331 UT on 21 Nov 2022 [SEC=OFFICIAL]

Regional Warning Centre rwc at ips.gov.au
Tue Nov 22 10:31:16 EST 2022


SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/21 NOVEMBER 2022
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (21 NOVEMBER) 
Date   T index  Conditions    
21 Nov    47    Normal-fair    

Flares: none.

MUFs:
   Cocos Island Region:
      Near predicted monthly values.
   Niue Island Region:
      Enhanced by 15% during local day.
      Near predicted monthly values during local night.
   Northern Australian Region:
      Mostly near predicted monthly values.
      Depressed by 20% after local dawn.
   Southern Australian Region:
      Depressed by 15% during local day.
      Near predicted monthly values during local night.
   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
Oct      83
Nov      70
Dec      70


2. FORECAST (22 NOVEMBER - 24 NOVEMBER)
Date   T index  Conditions       MUFs                              
22 Nov    60    Normal-fair      Near predicted monthly values 
                                 to 10-15% depressed
23 Nov    70    Normal           Near predicted monthly values    
24 Nov    75    Normal           Near predicted monthly values   

COMMENT: Maximum usable frequencies (MUFs) on UT day 21-Nov were 
mostly near predicted monthly values, with some depressions of 
20% in the northern Australian regions and of 15% in the southern 
Australian regions after local dawn. Mild depressions of 10-15% 
may continue over 22-Nov during local night hours, but are generally 
expected to be near predicted monthly values over 23-24 Nov.

----------------------------------------------------------
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



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