[Ips-dhfpr] SWS Daily HF Prop Report - 19 April 22 issued 2330 UT on 19 Apr 2022 [SEC=OFFICIAL]
Regional Warning Centre
rwc at ips.gov.au
Wed Apr 20 09:30:49 EST 2022
SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/19 APRIL 2022 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (19 APRIL)
Date T index Conditions
19 Apr 70 Normal
Flares Max Fadeout Freq. Sectors
M3/-- 2049UT possible lower East Pacific/
North American
MUFs:
Cocos Island Region:
Enhanced by 20% during local day.
Enhanced by 25% during local night.
Niue Island Region:
Near predicted monthly values.
Northern Australian Region:
Near predicted monthly values during local day.
Enhanced by 40% during local night.
Enhanced by 20% after local dawn.
Southern Australian Region:
Enhanced by 15% during local day.
Near predicted monthly values during local night.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Enhanced by 20% over the UT day.
PCA Event : No event.
Monthly T index:
Month T index
Mar 64
Apr 46
May 49
2. FORECAST (20 APRIL - 22 APRIL)
Date T index Conditions MUFs
20 Apr 70 Normal Near to 25% above predicted
monthly values
21 Apr 70 Normal Near to 25% above predicted
monthly values
22 Apr 70 Normal Near to 25% above predicted
monthly values
COMMENT: SWS SWF HF Communications Warning 36 was issued on 18
April and is current for 19-21 Apr. Maximum usable frequencies
(MUFs) on UT day 19 Apr were enhanced over monthly predicted
values. Spread-F was observed at Hobart 13-20 UT. MUFs are expected
to be up to 25% enhanced over monthly predicted values during
20-22 Apr. Short-wave fadeouts are likely.
----------------------------------------------------------
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