[Ips-dhfpr] SWS Daily HF Prop Report - 21 May 17 issued 2330 UT on 21 May 2017 [SEC=UNCLASSIFIED]
Regional Warning Centre
rwc at ips.gov.au
Mon May 22 09:30:25 EST 2017
SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/21 MAY 2017 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (21 MAY)
Date T index Conditions
21 May 18 Normal
Cocos Island Region:
Enhanced by 15% during local day.
Near predicted monthly values during local night.
Niue Island Region:
Mostly near predicted monthly values.
Northern Australian Region:
Near predicted monthly values.
Southern Australian Region:
Near predicted monthly values during local day.
Enhanced 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 MAY - 24 MAY)
Date T index Conditions MUFs
22 May 15 Normal Depressed 10 to 20%/near predicted
23 May 20 Normal Near predicted monthly values
24 May 20 Normal Near predicted monthly values
COMMENT: Due to less than expected rise in geomagnetic activity
levels on 21 May, against anticipations, HF conditions and MUFs
stayed close to the normal values with minor MUF enhancements
recorded in the Northern Aus regions. Mostly normal HF conditions
and MUFs may be expected in this region from 22 to 24 May with
some possibility of minor to mild MUF depressions on 22 May.
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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