[Ips-dhfpr] ASWFC Daily HF Prop Report - 14 July 23 issued 2331 UT on 14 Jul 2023 [SEC=OFFICIAL]
Regional Warning Centre
rwc at ips.gov.au
Sat Jul 15 09:31:05 EST 2023
SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/14 JULY 2023
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (14 JULY)
Date T index Conditions
14 Jul 110 Normal
Flares Max Fadeout Freq. Sectors
M1.0 0936UT possible lower Mid East/Indian
MUFs:
Cocos Island Region:
Enhanced by 25% during local day.
Enhanced by 20% during local night.
Niue Island Region:
Near predicted monthly values.
Northern Australian Region:
Near predicted monthly values.
Southern Australian Region:
Enhanced by 15% during local day.
Near predicted monthly values during local night.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Enhanced by 20% over the UT day.
PCA Event : No event.
Monthly T index:
Month T index
Jun 98
Jul 91
Aug 88
2. FORECAST (15 JULY - 17 JULY)
Date T index Conditions MUFs
15 Jul 105 Normal-fair Near predicted monthly values
16 Jul 105 Normal Near predicted monthly values
17 Jul 105 Normal Near predicted monthly values
COMMENT: ASWFC SWF HF Communications Warning 65 was issued on
14 July and is current for 14-16 Jul. Maximum usable frequencies
(MUFs) on UT day 14-Jul in the Australian region were generally
near predicted monthly values to 15% enhanced in southern Australian
regions. Spread F was observed during local night hours across
the Australian region with stronger occurrences at higher latitudes.
MUFs are expected to be near predicted monthly values over 15-17
Jul. Shortwave fadeouts are possible.
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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
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