[Ips-dhfpr] SWS Daily HF Prop Report - 20 February 20 issued 2338 UT on 20 Feb 2020
rwc
rwc at ips.gov.au
Fri Feb 21 10:38:54 EST 2020
SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/20 FEBRUARY 2020 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (20 FEBRUARY)
Date T index Conditions
20 Feb -10 Normal
Flares: none.
MUFs:
Cocos Island Region:
Enhanced by 30% during local day.
Enhanced by 40% during local night.
Niue Island Region:
Mostly near predicted monthly values.
Northern Australian Region:
Depressed by 15% during local day.
Enhanced by 20% 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
Jan -20
Feb -16
Mar -16
2. FORECAST (21 FEBRUARY - 23 FEBRUARY)
Date T index Conditions MUFs
21 Feb -20 Normal-fair Near predicted monthly values
to 20% depressed.
22 Feb -10 Normal Near predicted monthly values
23 Feb -10 Normal Near predicted monthly values
COMMENT: Maximum usable frequencies (MUFs) for UT day 20 February
were mostly near predicted monthly to enhanced. Spread F observed
at Niue, Darwin and Hobart during night. Sporadic E observed
during day and evening at Perth, nighttime at Hobart and around
dawn at Brisbane and Sydney. MUFs are likely to be near predicted
monthly values. Some depressions to 20% possible. Night spread
F and day and evening sporadic E are possible on 21 February.
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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
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