[Ips-dhfpr] SWS Daily HF Prop Report - 27 February 19 issued 2330 UT on 27 Feb 2019 [SEC=UNCLASSIFIED]
Regional Warning Centre
rwc at ips.gov.au
Thu Feb 28 10:30:19 EST 2019
SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/27 FEBRUARY 2019 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (27 FEBRUARY)
Date T index Conditions
27 Feb -8 Normal-fair
Cocos Island Region:
Near predicted monthly values during local day.
Enhanced by 45% during local night.
Niue Island Region:
Depressed by 25% during local day.
Enhanced by 15% during local night.
Northern Australian Region:
Depressed by 20% during local day.
Near predicted monthly values during local night.
Southern Australian Region:
Near predicted monthly values.
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 (28 FEBRUARY - 02 MARCH)
Date T index Conditions MUFs
28 Feb -30 Fair-normal Near predicted monthly values/depressed
10 to 30%
01 Mar -30 Fair-normal Near predicted monthly values/depressed
10 to 30%
02 Mar -20 Fair-normal Depressed 10 to 20%/near predicted
COMMENT: On UT day 27 February, MUFs were near monthly predicted
levels to slightly depressed over the Australian region. Sporadic
E layers were observed over some Australian ionosonde stations.
Slightly stronger depressions may be observed on UT days 28 February-2
March due to continued very low levels of ionising radiation
from the Sun and current disturbed geomagnetic conditions.
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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