[Ips-dhfpr] SWS Daily HF Prop Report - 20 October 19 issued 2331 UT on 20 Oct 2019
rwc
rwc at ips.gov.au
Mon Oct 21 10:31:23 EST 2019
SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/20 OCTOBER 2019 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (20 OCTOBER)
Date T index Conditions
20 Oct -25 Normal
Flares: none.
MUFs:
Cocos Island Region:
No data available.
Niue Island Region:
Mostly near predicted monthly values.
Depressed by 20% after local dawn.
Northern Australian Region:
Depressed by 25% during local day.
Near predicted monthly values during local night.
Southern Australian Region:
Depressed by 15% during local day.
Near predicted monthly values during local night.
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 -5
Oct -15
Nov -16
2. FORECAST (21 OCTOBER - 23 OCTOBER)
Date T index Conditions MUFs
21 Oct -20 Normal Near predicted monthly values/depressed
15 to 20%
22 Oct -25 Normal Near predicted monthly values/depressed
15 to 25%
23 Oct -25 Normal Near predicted monthly values/depressed
15 to 25%
COMMENT: On UT day 20 October, Maximum Usable Frequencies (MUFs)
ranged mostly from near predicted monthly values to moderately
depressed ones for all Australian regions. Sporadic-E occurrences
were observed over some sites. Similar HF conditions are expected
for the next three UT days, 21-23 October.
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For an explanation of some of the terms in this report, go to
http://www.sws.bom.gov.au, and follow links to Educational->
Glossary on Solar Terrestrial Terms.
Space Weather Services email: asfc at bom.gov.au
Bureau of Meteorology
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Haymarket NSW 1240 AUSTRALIA FTP: ftp://ftp-out.sws.bom.gov.au
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