[Ips-hf-warning] SWS HF COMMS WARNING issued 0013 UT on 07 Feb 2021

[rwc]

SUBJ: SWS HF RADIO COMMUNICATIONS WARNING 21/05
ISSUED AT 0013UT/07 FEBRUARY 2021
BY THE AUSTRALIAN SPACE FORECAST CENTRE.

A series of patchy equatorial coronal holes are expected to affect 
the earth over the next three UT days. In addition, the solar 
ionising flux is at very low levels. The combination of these 
space weather conditions is expected to cause mild to moderate 
MUF depressions in mid and high latitude regions over the next 
three UT days.

DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FROM 07-09 FEBRUARY 2021
IF COMMS DIFFICULTIES EXPERIENCED TRY A LOWER FREQUENCY BAND
_____________________________________________________________

HF COMMUNICATIONS FORECAST (AUSTRALIAN/NEW ZEALAND REGION)
                                   FREQUENCY BANDS
       T-index      MUFs        2  4  6  8 12 16 22 26
_____________________________________________________________
07 Feb:  -10          -12%      2  4  6  8 12 16 16 22
08 Feb:  -20          -18%      2  4  6  8  8 12 16 22
09 Feb:  -20          -18%      2  4  6  8  8 12 16 22

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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