[Ips-hf-warning] SWS HF COMMS WARNING issued 0256 UT on 15 May 2019

[rwc]

SUBJ: SWS HF RADIO COMMUNICATIONS WARNING 19/06
ISSUED AT 0253UT/15 MAY 2019
BY THE AUSTRALIAN SPACE FORECAST CENTRE.

MUF depressions are expected in somer regions for the the next three UT days
(15-17 
May) compared to the monthly predicted level due to the recent geomagnetic 
magnetic. Depression are expected to be stronger in the Northern 
Hemisphere compared to Southern Hemisphere during this time of 
the year.

DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FROM 15-17 MAY 2019
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
_____________________________________________________________
15 May:  0        normal to -30%      2  4  6  8 12 16 22 26
16 May:  -5        normal to -30%      2  4  6  8 12 16 22 26
17 May:  -5        normal to -30%    2  4  6  8 12 16 22 26

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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