[Ips-dhfpr] ASWFC Daily HF Prop Report - 28 June 24 issued 2330 UT on 28 Jun 2024 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/28 JUNE 2024
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (28 JUNE) 
Date   T index  Conditions    
28 Jun   148    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Enhanced by 25% during local day.
      Enhanced by 80% during local night.
   Niue Island Region:
      Near predicted monthly values during local day.
      Enhanced by 15% during local night.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 15% during local night.
      Enhanced by 35% after local dawn.
   Southern Australian Region:
      Enhanced by 15% during local day.
      Enhanced 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 (29 JUNE - 01 JULY)
Date   T index  Conditions       MUFs                              
29 Jun   140    Normal-fair      Near to 15% above predicted 
                                 monthly values
30 Jun   140    Normal           Near to 15% above predicted 
                                 monthly values    
01 Jul   140    Normal           Near to 15% above predicted 
                                 monthly values   

COMMENT: Maximum usable frequencies (MUFs) on UT day 28-Jun were 
near predicted values to 35% enhanced in the Australian region. 
Spread-F was observed at Hobart during local night hours. Ionospheric 
scintillation was observed at Darwin and Weipa from 28/1217-1440UT. 
MUFs are expected to be near predicted monthly values to 15% 
enhanced over 29-Jun to 01-Jul. Shortwave fadeouts are possible.

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