[Ips-dhfpr] ASWFC Daily HF Prop Report - 22 June 24 issued 2330 UT on 22 Jun 2024 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/22 JUNE 2024
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (22 JUNE) 
Date   T index  Conditions    
22 Jun    99    Normal-fair    

Flares    Max     Fadeout    Freq.  Sectors
  M1.2    0434UT  possible   lower  E. Asia/Aust.
  M2.8    0855UT  possible   lower  Mid East/Indian

MUFs:
   Cocos Island Region:
      Near predicted monthly values during local day.
      Depressed by 20% during local night.
   Niue Island Region:
      Near predicted monthly values during local day.
      Enhanced by 15% during local night.
   Northern Australian Region:
      Mostly near predicted monthly values.
   Southern Australian Region:
      Near predicted monthly values during local day.
      Depressed by 20% 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
May      121
Jun      116
Jul      117


2. FORECAST (23 JUNE - 25 JUNE)
Date   T index  Conditions       MUFs                              
23 Jun   100    Normal-fair      Near predicted monthly values
24 Jun   100    Normal-fair      Near predicted monthly values    
25 Jun   100    Normal-fair      Near predicted monthly values   

COMMENT: ASWFC SWF HF Communications Warning 68 was issued on 
21 June and is current for 21-23 Jun. Maximum usable frequencies 
(MUFs) in the Australian region on UT day 22-Jun were mostly 
near predicted values with some depressions in the southern region. 
Some spread-F was observed in Brisbane, Canberra, Norfolk Island 
and Niue Island during local night hours. MUFs are expected to 
mostly be near predicted values over 23-25 Jun, with mild depressions 
continuing during local night 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