[Ips-dhfpr] SWS Daily HF Prop Report - 27 December 21 issued 2331 UT on 27 Dec 2021
Regional Warning Centre
rwc at ips.gov.au
Tue Dec 28 10:31:08 EST 2021
SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/27 DECEMBER 2021 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (27 DECEMBER)
Date T index Conditions
27 Dec 80 Fair-normal
Flares: none.
MUFs:
Cocos Island Region:
Near predicted monthly values during local day.
Enhanced by 25% during local night.
Niue Island Region:
Near predicted monthly values during local day.
Enhanced by 30% during local night.
Northern Australian Region:
Enhanced by 25% during local day.
Enhanced by 35% during local night.
Southern Australian Region:
Near predicted monthly values during local day.
Enhanced by 25% 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
Nov 3
Dec 33
Jan 36
2. FORECAST (28 DECEMBER - 30 DECEMBER)
Date T index Conditions MUFs
28 Dec 30 Fair-normal Depressed 10 to 15%/near predicted
monthly values
29 Dec 60 Fair-normal About 15% above predicted monthly
values
30 Dec 60 Normal About 15% above predicted monthly
values
COMMENT: SWS SWF HF Communications Warning 43 was issued on 25
December and is current for 26-28 Dec. MUFs in the Australian
region on UT day 27 December were near predicted monthly values
to 35% enhanced. MUFs are expected to be 15% depressed to near
predicted monthly values for 28 Dec, with possible 15% depressions
for southern Australian region early in the UT day, then recovering,
following mild overnight geomagnetic activity. MUFs are then
expected to be near predicted monthly values to 15% enhanced
at times on UT days 29-30 December.
----------------------------------------------------------
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
IMPORTANT: This e-mail, including any attachments, may contain,
confidential or copyright information. The views expressed in
this message are those of the individual sender, unless
specifically stated to be the views of SWS. If you are not
the intended recipient, please contact the sender immediately
and delete all copies of this e-mail and attachments.
To unsubscribe from an IPS mail list either send an email to
"MAIL_LIST"-leave at ips.gov.au or go to
http://www.sws.bom.gov.au/mailman/listinfo/"MAIL_LIST".
Information about training can be obtained from
http://www.sws.bom.gov.au/mailman/listinfo/ips-training.
General information is available from
http://www.sws.bom.gov.au/mailman/listinfo/ips-info.
More information about the ips-dhfpr
mailing list