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

[Regional Warning Centre]

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

1. SUMMARY (28 MARCH) 
Date   T index  Conditions    
28 Mar   137    Normal         

Flares    Max     Fadeout    Freq.  Sectors
  M7.1    0629UT  probable   lower  Mid East/Indian
  M6.1    1556UT  probable   lower  South American/
                                    Atlantic
  M1.1    1931UT  possible   lower  East Pacific/
                                    North American
  M9.7    2046UT  probable   lower  East Pacific/
                                    North American
  X1.1    2056UT  probable   all    East Pacific/
                                    North American

MUFs:
   Cocos Island Region:
      Enhanced by 25% during local day.
      Enhanced by 55% during local night.
   Niue Island Region:
      Near predicted monthly values.
   Northern Australian Region:
      Enhanced by 15% during local day.
      Near predicted monthly values during local night.
   Southern Australian Region:
      Enhanced by 15% during local day.
      Enhanced by 15% 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
Feb      138
Mar      111
Apr      112


2. FORECAST (29 MARCH - 31 MARCH)
Date   T index  Conditions       MUFs                              
29 Mar   130    Normal           Near to 15% above predicted 
                                 monthly values
30 Mar   130    Normal           Near to 15% above predicted 
                                 monthly values    
31 Mar   130    Normal           Near to 15% above predicted 
                                 monthly values   

COMMENT: ASWFC SWF HF Communications Warning 33 was issued on 
26 March and is current for 27-29 Mar. Maximum usable frequencies 
(MUFs) on UT day 28-Mar were near predicted monthly values to 
15% enhanced in the Australian region. Spread F was observed 
at Hobart during local night hours. MUFs are expected to be near 
predicted monthly values to 15% enhanced over 29-31 Mar. Shortwave 
fadeouts are probable.

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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