28-05-2010, 10:10 PM
Gday All
Weather is going to be interesting this weekend?
1107 UTC 28/05/10 AIRSERVICES AUSTRALIA
GENERAL MET MESSAGE BRIEFING
Prepared for: ROBFLIGHT
YSSY
SYDNEY AIRPORT WEATHER BRIEFING
ISSUED AT 1052Z ON THE 28/05/2010 [2052 ON THE 28/05/2010 LOCAL]
SYDNEY TAF: (THIS TAF MAY NOT BE THE LATEST ISSUE)
TAF YSSY 281045Z 2812/2918
35012KT 9999 -RA FEW015 SCT025 BKN035
FM291200 30008KT 9999 SCT020 SCT050
TEMPO 2814/2906 4000 RA BKN010
RMK
T 17 15 14 14 Q 1016 1014 1012 1011
TAF SUMMARY:
A HIGH PRESSURE SYSTEM IN THE SOUTH TASMAN SEA IS DIRECTING A LIGHT
NORTHERLY AIRFLOW OVER SYDNEY. A LOW PRESSURE TROUGH OVER SOUTH
AUSTRALIA WITH A LOW CENTRE NORTHEAST OF ADELAIDE IS MOVING EAST.
CLOUD WILL INCREASE IN SYDNEY OVERNIGHT AHEAD OF THIS SYSTEM AND SOME
RAIN IS EXPECTED TO DEVELOP. PERIODS OF REDUCED VISIBILITY AND LOW
CLOUD CAN BE EXPECTED WITH THE RAIN. MOSTLY NORTH TO NORTHWEST WINDS
CAN BE EXPECTED AT THE AIRPORT ON SATURDAY. A LOW CENTRE IS EXPECTED
TO FORM OFF THE NSW COAST SUNDAY. THE POSITION OF THE LOW CENTRE WILL
BE CRITICAL TO WIND SPEED AND DIRECTION AT THE AIRPORT AS WELL AS THE
WEATHER.
THUNDERSTORM POTENTIAL:
SLIGHT CHANCE WITHIN 20NM OF SYDNEY AIRPORT TOMORROW AFTERNOON.
OTHER POSSIBILITIES:
30% CHANCE TEMPO FOR RAIN NOT REQUIRED FOR LONG PERIODS.
10% CHANCE OF VISIBILITY BRIEFLY REDUCING BELOW 2500M IN RAIN 16/24Z.
SEE CODE GREY.
10% CHANCE OF SOME LIGHT SHOWERS AFTER 12Z TOMORROW NIGHT.
SYDNEY OUTLOOK:
SUNDAY : RAIN PERIODS. CITY MAX: 17
MONDAY : SHOWERS. CITY MAX: 17
CODE GREY:
YES. !0% CHANCE OF BELOW SAM 16/24Z.
REGARDS LILY UNTIL 7AM, THEN ALEX.
NOTES:
1. THIS BRIEFING IS NOT AMENDED BETWEEN ROUTINE ISSUES. FOR
OPERATIONAL PLANNING, REFERENCE SHOULD BE MADE TO THE LATEST TAF OR
TTF.
2. CODE GREY PROVIDES EARLY ADVICE OF A POSSIBLE LATER TAF AMENDMENT.
IT IS USED IF THERE IS A SMALL BUT REALISTIC CHANCE OF A THUNDERSTORM
OR CONDITIONS BELOW SPECIAL ALTERNATE MINIMA BETWEEN 14 AND 24Z.
SPECIAL ALTERNATE CONDITIONS ARE BKN OR OVC CLOUD BELOW 700FT OR
VISIBILITY LESS THAN 2500M.
Weather is going to be interesting this weekend?
1107 UTC 28/05/10 AIRSERVICES AUSTRALIA
GENERAL MET MESSAGE BRIEFING
Prepared for: ROBFLIGHT
YSSY
SYDNEY AIRPORT WEATHER BRIEFING
ISSUED AT 1052Z ON THE 28/05/2010 [2052 ON THE 28/05/2010 LOCAL]
SYDNEY TAF: (THIS TAF MAY NOT BE THE LATEST ISSUE)
TAF YSSY 281045Z 2812/2918
35012KT 9999 -RA FEW015 SCT025 BKN035
FM291200 30008KT 9999 SCT020 SCT050
TEMPO 2814/2906 4000 RA BKN010
RMK
T 17 15 14 14 Q 1016 1014 1012 1011
TAF SUMMARY:
A HIGH PRESSURE SYSTEM IN THE SOUTH TASMAN SEA IS DIRECTING A LIGHT
NORTHERLY AIRFLOW OVER SYDNEY. A LOW PRESSURE TROUGH OVER SOUTH
AUSTRALIA WITH A LOW CENTRE NORTHEAST OF ADELAIDE IS MOVING EAST.
CLOUD WILL INCREASE IN SYDNEY OVERNIGHT AHEAD OF THIS SYSTEM AND SOME
RAIN IS EXPECTED TO DEVELOP. PERIODS OF REDUCED VISIBILITY AND LOW
CLOUD CAN BE EXPECTED WITH THE RAIN. MOSTLY NORTH TO NORTHWEST WINDS
CAN BE EXPECTED AT THE AIRPORT ON SATURDAY. A LOW CENTRE IS EXPECTED
TO FORM OFF THE NSW COAST SUNDAY. THE POSITION OF THE LOW CENTRE WILL
BE CRITICAL TO WIND SPEED AND DIRECTION AT THE AIRPORT AS WELL AS THE
WEATHER.
THUNDERSTORM POTENTIAL:
SLIGHT CHANCE WITHIN 20NM OF SYDNEY AIRPORT TOMORROW AFTERNOON.
OTHER POSSIBILITIES:
30% CHANCE TEMPO FOR RAIN NOT REQUIRED FOR LONG PERIODS.
10% CHANCE OF VISIBILITY BRIEFLY REDUCING BELOW 2500M IN RAIN 16/24Z.
SEE CODE GREY.
10% CHANCE OF SOME LIGHT SHOWERS AFTER 12Z TOMORROW NIGHT.
SYDNEY OUTLOOK:
SUNDAY : RAIN PERIODS. CITY MAX: 17
MONDAY : SHOWERS. CITY MAX: 17
CODE GREY:
YES. !0% CHANCE OF BELOW SAM 16/24Z.
REGARDS LILY UNTIL 7AM, THEN ALEX.
NOTES:
1. THIS BRIEFING IS NOT AMENDED BETWEEN ROUTINE ISSUES. FOR
OPERATIONAL PLANNING, REFERENCE SHOULD BE MADE TO THE LATEST TAF OR
TTF.
2. CODE GREY PROVIDES EARLY ADVICE OF A POSSIBLE LATER TAF AMENDMENT.
IT IS USED IF THERE IS A SMALL BUT REALISTIC CHANCE OF A THUNDERSTORM
OR CONDITIONS BELOW SPECIAL ALTERNATE MINIMA BETWEEN 14 AND 24Z.
SPECIAL ALTERNATE CONDITIONS ARE BKN OR OVC CLOUD BELOW 700FT OR
VISIBILITY LESS THAN 2500M.