[robair]

Gday Steve

Ask and you shall receive

1156 UTC 26/08/10 AIRSERVICES AUSTRALIA
GENERAL MET MESSAGE BRIEFING



Prepared for: ROBFLIGHT

YSSY
IDN42901
AUSTRALIAN GOVERNMENT BUREAU OF METEOROLOGY
NEW SOUTH WALES

SYDNEY AIRPORT WEATHER BRIEFING
ISSUED AT 1125Z ON THE 26/08/2010 [2125 ON THE 26/08/2010 LOCAL]

SYDNEY TAF: (THIS TAF MAY NOT BE THE LATEST ISSUE)
TAF YSSY 261044Z 2612/2718
30018KT CAVOK
FM262300 27025G35KT 9999 FEW040 SCT070
FM270900 27015G25KT CAVOK
FM271200 27015KT CAVOK
RMK FM261200 MOD TURB BLW 5000FT
T 12 10 09 10 Q 1004 1004 1004 1007


TAF SUMMARY:
A BROAD TROUGH OVER THE SE AUSTRALIA AND THE TASMAN SEA DIRECT
A FRESH TO STRONG W AIRSTREAM OVER SYDNEY. A DEEP LOW IS
EXP TO DEVELOP WITHIN THE TROUGH NEAR TASMANIA TONIGHT,
RESULTING IN EVEN GREATER PRESSURE GRADIENT OVER OUR REGION. MOSTLY
CAVOK CONDITION SHOULD PERSIST, WITH FRESH W TO NW WIND,
STRENGTHENING LATER TOMORROW MORNING. WINDS WILL GRADUALLY EASE
TOMORROW EVENING AND NIGHT.

THUNDERSTORM POTENTIAL:
NIL CHANCE WITHIN 20NM OF SYDNEY AIRPORT.

OTHER POSSIBILITIES:
20% CHANCE OF WIND GUST TO 25 KNOTS EARLY TOMORROW MORNING, AFTER
18Z.
+/- 1 HOUR OF W WIND CHANGE TIMING TOMORROW MORNING.
30% CHANCE OF BKN CLD AT ABOUT 7000FT TOMORROW MORNING, 21/02Z.

SYDNEY OUTLOOK:
SATURDAY : MOSTLY SUNNY. CITY MAX: 18
SUNDAY : PARTLY CLOUDY. CITY MAX: 18

CODE GREY:
NIL.
NOTES:
1. THIS BRIEFING IS NOT AMD BTN ROUTINE ISSUES. FOR
OPERATIONAL PLANNING, REF SHOULD BE MADE TO THE LATEST TAF OR
TTF.

2. CODE GREY PROVIDES EARLY ADVICE OF A POSSIBLE LATER TAF AMD.
IT IS USED IF THERE IS A SMALL BUT REALISTIC CHANCE OF A TS
OR CONDITIONS BELOW SPECIAL ALTERNATE MINIMA BETWEEN 14 AND 24Z.
SPECIAL ALTN CONDITIONS ARE BKN OR OVC CLD BLW 700FT OR
VIS LESS THAN 2500M.

---

Gday Steve

Ask and you shall receive

1156 UTC 26/08/10 AIRSERVICES AUSTRALIA
GENERAL MET MESSAGE BRIEFING



Prepared for: ROBFLIGHT

YSSY
IDN42901
AUSTRALIAN GOVERNMENT BUREAU OF METEOROLOGY
NEW SOUTH WALES

SYDNEY AIRPORT WEATHER BRIEFING
ISSUED AT 1125Z ON THE 26/08/2010 [2125 ON THE 26/08/2010 LOCAL]

SYDNEY TAF: (THIS TAF MAY NOT BE THE LATEST ISSUE)
TAF YSSY 261044Z 2612/2718
30018KT CAVOK
FM262300 27025G35KT 9999 FEW040 SCT070
FM270900 27015G25KT CAVOK
FM271200 27015KT CAVOK
RMK FM261200 MOD TURB BLW 5000FT
T 12 10 09 10 Q 1004 1004 1004 1007


TAF SUMMARY:
A BROAD TROUGH OVER THE SE AUSTRALIA AND THE TASMAN SEA DIRECT
A FRESH TO STRONG W AIRSTREAM OVER SYDNEY. A DEEP LOW IS
EXP TO DEVELOP WITHIN THE TROUGH NEAR TASMANIA TONIGHT,
RESULTING IN EVEN GREATER PRESSURE GRADIENT OVER OUR REGION. MOSTLY
CAVOK CONDITION SHOULD PERSIST, WITH FRESH W TO NW WIND,
STRENGTHENING LATER TOMORROW MORNING. WINDS WILL GRADUALLY EASE
TOMORROW EVENING AND NIGHT.

THUNDERSTORM POTENTIAL:
NIL CHANCE WITHIN 20NM OF SYDNEY AIRPORT.

OTHER POSSIBILITIES:
20% CHANCE OF WIND GUST TO 25 KNOTS EARLY TOMORROW MORNING, AFTER
18Z.
+/- 1 HOUR OF W WIND CHANGE TIMING TOMORROW MORNING.
30% CHANCE OF BKN CLD AT ABOUT 7000FT TOMORROW MORNING, 21/02Z.

SYDNEY OUTLOOK:
SATURDAY : MOSTLY SUNNY. CITY MAX: 18
SUNDAY : PARTLY CLOUDY. CITY MAX: 18

CODE GREY:
NIL.
NOTES:
1. THIS BRIEFING IS NOT AMD BTN ROUTINE ISSUES. FOR
OPERATIONAL PLANNING, REF SHOULD BE MADE TO THE LATEST TAF OR
TTF.

2. CODE GREY PROVIDES EARLY ADVICE OF A POSSIBLE LATER TAF AMD.
IT IS USED IF THERE IS A SMALL BUT REALISTIC CHANCE OF A TS
OR CONDITIONS BELOW SPECIAL ALTERNATE MINIMA BETWEEN 14 AND 24Z.
SPECIAL ALTN CONDITIONS ARE BKN OR OVC CLD BLW 700FT OR
VIS LESS THAN 2500M.