Looks like its already started
From the Internet Briefing Service:
METAR TTF SPECI YSSY 070730Z 04021G31KT 8000 LIGHT THUNDERSTORMS WITH RAIN
FEW020 SCT080CB BKN110 23/20 Q1006 RMK RF00.2/000.6 FM0730
05015G25KT 9999 SCT030 INTER 0730/1030 4000 THUNDERSTORMS WITH RAIN
SCT015 SCT040CB FM0726 MOD TURB BLW 5000FT
TAF TAF AMD YSSY 070502Z 0606 04020G30KT 9999 SCT030 FM10 04015KT 9999
SCT025 FM00 18020G30KT 9999 FEW010 BKN020 PROB30 INTER 0614 3000
THUNDERSTORMS WITH RAIN SCT015 SCT040CB PROB30 INTER 2202 3000
THUNDERSTORMS WITH RAIN SCT010 SCT040CB INTER 0206 4000 SHOWERS OF
RAIN BKN010 RMK T 25 24 23 22 Q 1007 1007 1008 1007
TSRA or THUNDERSTORMS WITH RAIN? what a joke, if you can't read a METAR / TAF in shorthand you really shouldn't bother being a pilot, this is just more junk to clog up the forcast. This is just another example of people trying to fix something that doesn't need to be fixed....