[Ips-hf-warning] IPS HF COMMS WARNING issued 0639 UT on 02 Nov 2015

[rwc]

SUBJ: IPS HF RADIO COMMUNICATIONS WARNING 15/66
ISSUED AT 0639UT/02 NOVEMBER 2015
BY THE AUSTRALIAN SPACE FORECAST CENTRE.

Strong geomagnetic activity is expected on 3 and 4 Nov. MUF depression 
are expected to occur first (3 Nov) in the high latitude regions 
and then gradually expand into mid-latitude regions within 24 
hours. Depressed conditions are expected to last for few days 
(3-5 Nov). Equatorial regions may notice a minor improvement 
in HF conditions due to possible enhancements in charge densities. 
The high latitude ionisations are expected to shift into low 
latitudes due to stronger equatorward motions which are expected 
during geomagnetic storms.

DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FROM 03-05 NOVEMBER 2015
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
_____________________________________________________________
03 Nov:   40   normal/-15%      2  4  6  8 12 12 16 22
04 Nov:   30          -12%      2  4  6  8 12 16 16 22
05 Nov:   30          -12%      2  4  6  8 12 16 16 22

Space Weather Services              email: asfc at ips.gov.au
Bureau of Meteorology
PO Box 1386                         WWW: http://www.ips.gov.au
Haymarket NSW 1240  AUSTRALIA       FTP: ftp://ftp.ips.gov.au 
tel: +61 2 9213 8010                fax: +61 2 9213 8060 

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