[Ips-dhfpr] SWS Daily HF Prop Report - 21 December 18 issued 2330 UT on 21 Dec 2018 [SEC=UNCLASSIFIED]
Regional Warning Centre
rwc at ips.gov.au
Sat Dec 22 10:30:20 EST 2018
SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/21 DECEMBER 2018 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (21 DECEMBER)
Date T index Conditions
21 Dec -11 Normal
Cocos Island Region:
No data available.
Niue Island Region:
Mostly near predicted monthly values.
Northern Australian Region:
Enhanced by 20% during local day.
Near predicted monthly values during local night.
Southern Australian Region:
Near predicted monthly values 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
2. FORECAST (22 DECEMBER - 24 DECEMBER)
Date T index Conditions MUFs
22 Dec -10 Normal Near predicted monthly values
23 Dec -10 Normal Near predicted monthly values
24 Dec -10 Normal Near predicted monthly values
COMMENT: On UT day 21 December, MUFs were mostly near predicted
monthly values across the Australian region. Sporadic E layers
were seen across the Australian region and in Antarctica. Near
predicted to weakly depressed MUFs are expected for the next
three days, as a consequence of very low levels of ionising radiation
from the Sun.
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
PO Box 1386 WWW: http://www.sws.bom.gov.au
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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