[Ips-dhfpr] SWS Daily HF Prop Report - 23 November 20 issued 2333 UT on 23 Nov 2020
rwc
rwc at ips.gov.au
Tue Nov 24 10:33:53 EST 2020
SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/23 NOVEMBER 2020 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (23 NOVEMBER)
Date T index Conditions
23 Nov -32 Poor-normal
Flares: none.
MUFs:
Cocos Island Region:
Near predicted monthly values during local day.
Depressed by 25% during local night.
Niue Island Region:
No data available during local day.
No data available during local night.
Northern Australian Region:
Depressed by 25% during local day.
Depressed by 15% during local night.
Southern Australian Region:
Depressed by 25% during local day.
Depressed by 15% 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
Oct -13
Nov 3
Dec 5
2. FORECAST (24 NOVEMBER - 26 NOVEMBER)
Date T index Conditions MUFs
24 Nov -20 Normal Depressed 15%/near predicted
monthly values
25 Nov -5 Normal Near predicted monthly values
26 Nov -5 Normal Near predicted monthly values
COMMENT: SWS HF Communications Warning 9 was issued on 23 November
and is current for 23-25 Nov. Depressions to 30% were observed
at most stations in the Australian region in the first half of
23 Nov, then improving. Sporadic E was observed at times at most
stations and obscured the F region at Darwin and Townsville 00
UT, Learmonth 00, 03 UT, Brisbane 01-03, 11-12 UT, Cocos and
Norfolk Is. 22-23 UT, Perth 01 UT and Canberra/Sydney 02-05 UT.
Minor depressions possible at times 24 Nov. Sporadic E can be
expected.
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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
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