[robair]

Mornin' All

Seeing as the weather forecasts have been a bit ominous here is the latest from Airservices:

General MET Briefing
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2042 UTC 21/05/10 AIRSERVICES AUSTRALIA
GENERAL MET MESSAGE BRIEFING



Prepared for: ROBFLIGHT

YSSY
IDN42903
AUSTRALIAN GOVERNMENT BUREAU OF METEOROLOGY
NEW SOUTH WALES

SYDNEY AIRPORT WEATHER BRIEFING
ISSUED AT 1659Z ON THE 21/05/2010 [0259 ON THE 22/05/2010 LOCAL]

SYDNEY TAF: (THIS TAF MAY NOT BE THE LATEST ISSUE)
TAF YSSY 211651Z 2118/2224
23008KT 9999 -SHRA SCT025 SCT070
FM212300 17015KT 9999 -SHRA SCT025 SCT070
FM220800 17010KT 9999 SCT025 SCT050
INTER 2118/2206 4000 SHRA BKN010
RMK
T 13 14 16 17 Q 1019 1020 1021 1020


TAF SUMMARY:
A SLOW MOVING HIGH PRESSURE SYSTEM NEAR TASMANIA COMBINED WITH A LOW
PRESSURE TROUGH OFF THE NSW COAST IS BRINGING A MOIST, SOUTHERLY
AIRSTREAM TO SYDNEY. THE SOUTHERLY WINDS ARE LIKELY TO CONTINUE FOR
MOST OF THE WEEKEND. COASTAL SHOWERS WILL EASE THIS AFTERNOON AS
DRIER AIR MOVES IN. AN UPPER LEVEL TROUGH WILL PUSH THROUGH LATER
THIS MORNING. UNTIL THEN THERE IS A SLIGHT RISK OF THUNDERSTORMS,
MAINLY OFFSHORE.

THUNDERSTORM POTENTIAL:
SLIGHT CHANCE WITHIN 20NM OF SYDNEY AIRPORT THIS MORNING, MAINLY
OFFSHORE.

OTHER POSSIBILITIES:
30% CHANCE OF WINDS BECOMING LIGHTER EAST TO SOUTHEASTERLY THIS
AFTERNOON.
10% CHANCE OF A THUNDERSTORM WITHIN 5NM OF THE AIRPORT EARLY THIS
MORNING, 18/20Z.

SYDNEY OUTLOOK:
SUNDAY : SHOWER OR TWO. CITY MAX: 21
MONDAY : A LITTLE RAIN LATER. CITY MAX: 20

REGARDS
RICHARD UNTIL 7AM, THEN CHRIS.

NOTES:
1. THIS BRIEFING IS NOT AMENDED BETWEEN ROUTINE ISSUES. FOR
OPERATIONAL PLANNING, REFERENCE SHOULD BE MADE TO THE LATEST TAF OR
TTF.