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About Surface Analysis Charts

Surface analysis are produced manually every 6 hours and depict the locations of synoptic scale high and low pressure centers with associated surface fronts and troughs for the specific analysis time. Central pressure is depicted with 3 or 4 digits. Arrows point to the 24 hour forecast positions. The term "developing" gale or storm means gale or storm conditions are expected by 24 hours.

The pressure analysis has a 4 millibar (mb) contour interval. Forecast pressure values are written with 2 digits omitting the preceding 10 or 9. As an example a high pressure center with a central pressure of 1032 mb would be 32 and low pressure of 974 mb would be 74. For intense low pressure centers below 1000 mb, the analyst may use a dashed line to depict the 1000 mb isobar. By convention, isobars less than the 1000 mb dashed line are defined with an 8 mb contour interval.

 

UK Shipping Forecast downloaded from the NOAA server downloaded 04/09/2010 12:20
161
FPUK71 EGRR 040900
AND NOW THE SHIPPING FORECAST ISSUED BY THE MET OFFICE
ON BEHALF OF THE MARITIME AND COASTGUARD AGENCY AT 1030
UTC ON SATURDAY 04 SEPTEMBER 2010 FOR THE PERIOD 1200 UTC
SATURDAY 04 SEPTEMBER TO 1200 UTC SUNDAY 05 SEPTEMBER
2010

THERE ARE WARNINGS OF GALES IN SOLE AND SHANNON

THE GENERAL SYNOPSIS AT 0600
HIGH WEST NORWAY 1027 SLOW MOVING WITH LITTLE CHANGE BY
0600 TOMORROW NEW LOW EXPECTED 200 MILES WEST OF ROCKALL
990 BY SAME TIME

THE AREA FORECASTS FOR THE NEXT 24 HOURS

VIKING
VARIABLE 3 BECOMING SOUTHEAST 4 OR 5 SLIGHT OR MODERATE
FAIR GOOD

NORTH UTSIRE SOUTH UTSIRE
VARIABLE MAINLY SOUTHERLY 3 OR 4 SLIGHT OR MODERATE
FAIR GOOD

FORTIES CROMARTY FORTH TYNE DOGGER
SOUTHEASTERLY 4 OR 5 OCCASIONALLY 6 IN CROMARTY FORTH
AND TYNE SLIGHT BECOMING MODERATE FAIR GOOD

FISHER GERMAN BIGHT HUMBER THAMES
EASTERLY VEERING SOUTHEASTERLY 3 OR 4 OCCASIONALLY 5
SLIGHT OR MODERATE FAIR GOOD

DOVER WIGHT
EAST OR NORTHEAST 4 OR 5 OCCASIONALLY 6 SLIGHT OR
MODERATE FAIR GOOD

PORTLAND
SOUTHEASTERLY 4 OR 5 BUT VARIABLE 3 FOR A TIME IN SOUTH
SLIGHT OR MODERATE RAIN OR SHOWERS MODERATE OR GOOD
OCCASIONALLY POOR

PLYMOUTH
VARIABLE MAINLY EASTERLY OR SOUTHEASTERLY 3 OR 4
MODERATE RAIN OR SHOWERS FOG PATCHES MODERATE
OCCASIONALLY VERY POOR

BISCAY
VARIABLE 3 OR 4 SLIGHT OR MODERATE MAINLY FAIR FOG
PATCHES IN NORTH MODERATE OR GOOD OCCASIONALLY VERY
POOR IN NORTH

FITZROY
VARIABLE 4 BECOMING SOUTHERLY 5 TO 7 IN NORTHWEST LATER
MODERATE OR ROUGH RAIN OR SHOWERS MODERATE OR GOOD
OCCASIONALLY POOR

SOLE
SOUTHWESTERLY BACKING SOUTHERLY 4 INCREASING 5 TO 7
OCCASIONALLY GALE 8 LATER IN WEST MODERATE OR ROUGH
RAIN OR SHOWERS FOG PATCHES MODERATE OR POOR
OCCASIONALLY VERY POOR

LUNDY FASTNET
SOUTHWEST 4 IN FASTNET AT FIRST OTHERWISE SOUTHEAST 4 OR
5 OCCASIONALLY 6 LATER SLIGHT OR MODERATE RAIN OR
SHOWERS FOG PATCHES MODERATE OR POOR OCCASIONALLY VERY
POOR

IRISH SEA
SOUTHEAST 4 OR 5 OCCASIONALLY 6 SLIGHT OR MODERATE
RAIN OR SHOWERS GOOD OCCASIONALLY POOR

SHANNON
SOUTH OR SOUTHWEST 4 OR 5 BACKING SOUTHEAST 6 TO GALE 8
LATER MODERATE OR ROUGH RAIN OR SHOWERS MODERATE OR
POOR

ROCKALL
SOUTHEASTERLY 6 IN NORTHEAST AT FIRST OTHERWISE
SOUTHWESTERLY BACKING SOUTHEASTERLY 4 INCREASING 5 TO 7
PERHAPS GALE 8 LATER MODERATE OR ROUGH RAIN OR SHOWERS
MODERATE OR POOR

MALIN HEBRIDES BAILEY
SOUTHEAST VEERING SOUTH FOR A TIME 5 TO 7 DECREASING 4
FOR A TIME MODERATE OR ROUGH RAIN OR SHOWERS MODERATE
OR GOOD OCCASIONALLY POOR

FAIR ISLE FAEROES SOUTHEAST ICELAND
MAINLY SOUTHEASTERLY 5 TO 7 DECREASING 4 AT TIMES
LATER MODERATE OR ROUGH OCCASIONAL RAIN FOG PATCHES IN
FAEROES AND SOUTHEAST ICELAND MODERATE OR GOOD
OCCASIONALLY VERY POOR IN FAEROES AND SOUTHEAST ICELAND
Current North Atlantic Chart from The Ocean Prediction Centre
File last downloaded 24/08/2010 21:58

48 hour North Atlantic Chart from The Ocean Prediction Centre
File last downloaded 24/08/2010 21:58

96 hour North Atlantic Chart from The Ocean Prediction Centre
File last downloaded 24/08/2010 21:58