[Ips-dhfpr] ASWFC Daily HF Prop Report - 13 October 22 issued 2338 UT on 13 Oct 2022 [SEC=OFFICIAL]
rwc
rwc at ips.gov.au
Fri Oct 14 10:38:24 EST 2022
SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/13 OCTOBER 2022
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (13 OCTOBER)
Date T index Conditions
13 Oct 113 Normal
Flares Max Fadeout Freq. Sectors
M1.5 0020UT possible lower West Pacific
MUFs:
Cocos Island Region:
Enhanced by 25% to 35%.
Niue Island Region:
Enhanced by 20% during local day.
Near predicted monthly values during local night.
Northern Australian Region:
Enhanced by 30% to 50%.
Southern Australian Region:
Enhanced by 15% to 25%.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted monthly values over the UT day.
PCA Event : No event.
Monthly T index:
Month T index
Sep 74
Oct 69
Nov 69
2. FORECAST (14 OCTOBER - 16 OCTOBER)
Date T index Conditions MUFs
14 Oct 110 Normal Near to 30% above predicted
monthly values
15 Oct 100 Normal Near to 15% above predicted
monthly values
16 Oct 100 Normal Near to 15% above predicted
monthly values
COMMENT: Maximum usable frequencies (MUFs) on UT day 13-Oct were
mostly above predicted monthly values by 15-50% enhanced. MUFs
are expected to be near predicted monthly values to 30% enhanced
over 14-16 Oct, with mostly good HF conditions expected. Slight
degradations of HF conditions may occur on 15 Oct due to the
expected arrival of a CME first observed on 11-Oct. Isolated
minor shortwave fadeouts are possible. Spread F was observed
during local night hours at Hobart.
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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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