[Ips-hf-warning] ASWFC HF COMMS WARNING issued 2235 UT on 30 Nov 2022 [SEC=OFFICIAL]

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SUBJ: ASWFC HF RADIO COMMUNICATIONS WARNING 22/92
ISSUED AT 2235UT/30 NOVEMBER 2022
BY THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE.

An equatorial coronal hole is causing enhanced geomagnetic conditions 
leading to mild MUF depressions.

DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FROM 01-03 DECEMBER 2022
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
_____________________________________________________________
01 Dec:   40   normal/-15%      2  4  6  8 12 12 16 22
02 Dec:   40   normal/-15%      2  4  6  8 12 12 16 22
03 Dec:   45   normal/-15%      2  4  6  8 12 12 16 22

Australian Space Weather Forecasting Centre
Bureau of Meteorology
ASWFC at bom.gov.au
www.bom.gov.au | www.sws.bom.gov.au