[Ips-dhfpr] ASWFC Daily HF Prop Report - 13 November 23 issued 2330 UT on 13 Nov 2023 [SEC=OFFICIAL]

[Regional Warning Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/13 NOVEMBER 2023
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (13 NOVEMBER) 
Date   T index  Conditions    
13 Nov   115    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Near predicted monthly values during local day.
      Enhanced by 35% during local night.
   Niue Island Region:
      Enhanced by 20% during local day.
      Near predicted monthly values during local night.
   Northern Australian Region:
      Enhanced by 25% during local day.
      Near predicted monthly values during local night.
   Southern Australian Region:
      Depressed by 15% during local day.
      Near predicted monthly values during local night.
   Antarctic Region (Casey/Davis/Mawson):
      Near predicted monthly values over the UT day.

PCA Event : No event.

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


2. FORECAST (14 NOVEMBER - 16 NOVEMBER)
Date   T index  Conditions       MUFs                              
14 Nov   120    Normal           Near predicted monthly values 
                                 with 15-25% enhancements
15 Nov   120    Normal-fair      Near predicted monthly values 
                                 with 15-25% enhancements    
16 Nov   110    Normal-fair      Near predicted monthly values   

COMMENT: Maximum usable frequencies (MUFs) in the Australian 
region on UT day 13-Nov were near predicted monthly values, although 
depressions of 15% were observed in the southern regions while 
enhancements of 25% were observed in the northern regions. Sporadic-E 
was observed at Canberra, Hobart and Perth during local night 
hours. MUFs are expected to return to near predicted monthly 
values for the whole of the Australian region over 14-16 Nov, 
with the enhancements of 15-25% in the northern regions is likely 
to continue in local daylight hours.

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