[Ips-dhfpr] SWS Daily HF Prop Report - 24 April 22 issued 2330 UT on 24 Apr 2022 [SEC=OFFICIAL]
Regional Warning Centre
rwc at ips.gov.au
Mon Apr 25 09:30:52 EST 2022
SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/24 APRIL 2022 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (24 APRIL)
Date T index Conditions
24 Apr 79 Normal
Flares: none.
MUFs:
Cocos Island Region:
Enhanced by 30% during local day.
Enhanced by 20% during local night.
Enhanced by 30% after local dawn.
Niue Island Region:
Enhanced by 20% during local day.
Near predicted monthly values during local night.
Northern Australian Region:
Enhanced by 15% during local day.
Enhanced by 15% during local night.
Enhanced by 20% after local dawn.
Southern Australian Region:
Enhanced by 20% during local day.
Enhanced by 15% during local night.
Enhanced by 20% after local dawn.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Enhanced by 25% over the UT day.
PCA Event : No event.
Monthly T index:
Month T index
Mar 64
Apr 46
May 49
2. FORECAST (25 APRIL - 27 APRIL)
Date T index Conditions MUFs
25 Apr 80 Normal Near to 25% above predicted
monthly values
26 Apr 80 Normal Near to 25% above predicted
monthly values
27 Apr 75 Normal Near to 25% above predicted
monthly values
COMMENT: SWS SWF HF Communications Warning 38 was issued on 24
April and is current for 25-27 Apr. Maximum usable frequencies
(MUFs) on UT day 24 Apr were mostly above monthly predicted values.
Spread F was observed at Hobart 11-20 UT. MUFs are expected to
be 15-25% above monthly predicted values 25-27 Apr. Frequencies
may be closer to predicted monthly values during night time.
Short-wave fadeouts are possible.
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For an explanation of some of the terms in this report, go to
https://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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