[Ips-dhfpr] SWS Daily HF Prop Report - 30 November 19 issued 2331 UT on 30 Nov 2019
Regional Warning Centre
rwc at ips.gov.au
Sun Dec 1 10:31:48 EST 2019
SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/30 NOVEMBER 2019 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (30 NOVEMBER)
Date T index Conditions
30 Nov -36 Normal
Flares: none.
MUFs:
Cocos Island Region:
Depressed by 30% during local day.
Depressed by 20% during local night.
Niue Island Region:
No data available.
Northern Australian Region:
Depressed by 15% during local day.
Depressed by 30% during local night.
Southern Australian Region:
Depressed by 15% during local day.
Depressed by 20% 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 -20
Nov -16
Dec -17
2. FORECAST (01 DECEMBER - 03 DECEMBER)
Date T index Conditions MUFs
01 Dec -30 Normal Near predicted monthly values
02 Dec -30 Normal Near predicted monthly values
03 Dec -30 Normal Near predicted monthly values
COMMENT: Maximum usable frequencies (MUFs) varied between near
predicted monthly values to mildly and moderately depressed ones
on UT day 30 November. The depressions were due to very low levels
of solar ionising flux. Sporadic-E occurrences were seen over
all the sites. For the next three UT days, 01-03 December, mildly
depressed to near predicted monthly MUFs are expected over the
Australian region.
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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
tel: +61 2 9213 8010 fax: +61 2 9213 8060
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