[Ips-dhfpr] SWS Daily HF Prop Report - 25 February 18 issued 2330 UT on 25 Feb 2018 [SEC=UNCLASSIFIED]
Regional Warning Centre
rwc at ips.gov.au
Mon Feb 26 10:30:23 EST 2018
SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/25 FEBRUARY 2018 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (25 FEBRUARY)
Date T index Conditions
25 Feb -12 Normal
Flares: none.
MUFs:
Niue Island Region:
Depressed by 15% during local day.
Depressed by 20% during local night.
Northern Australian Region:
Depressed by 30% 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
Jan -6
Feb 4
Mar 3
2. FORECAST (26 FEBRUARY - 28 FEBRUARY)
Date T index Conditions MUFs
26 Feb -10 Normal Near predicted monthly values/depressed
10 to 20%
27 Feb -5 Normal Near predicted monthly values/depressed
10 to 20%
28 Feb 0 Normal Near predicted monthly values/depressed
5 to 15%
COMMENT: MUFs were near predicted to moderately depressed across
the Australian region during the UT day 25 Feb. There were also
isolated cases of Sporadic E blanketing over Australian ionosonde
sites. For 26-28 Feb, MUFs are expected to be moderately depressed
to near monthly predicted levels due to continued geomagnetic
activity and low EUV levels.
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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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