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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 20/12/2014 17:37
FPUK71 EGRR 201500

AND NOW THE SHIPPING FORECAST ISSUED BY THE MET OFFICE

ON BEHALF OF THE MARITIME AND COASTGUARD AGENCY AT 1725

UTC ON SATURDAY 20 DECEMBER 2014 FOR THE PERIOD 1800 UTC

SATURDAY 20 DECEMBER TO 1800 UTC SUNDAY 21 DECEMBER 2014

THERE ARE WARNINGS OF GALES IN VIKING NORTH UTSIRE SOUTH

UTSIRE FORTIES DOGGER FISHER GERMAN BIGHT HUMBER THAMES

ROCKALL MALIN HEBRIDES BAILEY FAEROES AND SOUTHEAST

ICELAND

THE GENERAL SYNOPSIS AT MIDDAY

LOW 300 MILES SOUTHWEST OF ICELAND 968 SLOW MOVING

DEEPENING 962 BY MIDDAY TOMORROW NEW LOW EXPECTED JUST

EAST OF ICELAND 970 BY SAME TIME HIGH FITZROY 1037

EXPECTED BISCAY 1038 BY THAT TIME

THE AREA FORECASTS FOR THE NEXT 24 HOURS

VIKING NORTH UTSIRE SOUTH UTSIRE FORTIES

NORTHWESTERLY BACKING SOUTHWESTERLY 5 TO 7 OCCASIONALLY

GALE 8 ROUGH OR VERY ROUGH SHOWERS THEN RAIN GOOD

BECOMING MODERATE OR POOR

CROMARTY FORTH TYNE

NORTHWEST BACKING SOUTHWEST 5 TO 7 PERHAPS GALE 8 LATER

MODERATE OR ROUGH FAIR THEN RAIN GOOD BECOMING

MODERATE OR POOR

DOGGER FISHER GERMAN BIGHT HUMBER

NORTHWEST BACKING SOUTHWEST 6 TO GALE 8 OCCASIONALLY

SEVERE GALE 9 AT FIRST ROUGH OR VERY ROUGH SHOWERS THEN

RAIN MODERATE OR GOOD

THAMES

NORTHWEST BACKING SOUTHWEST 5 TO 7 OCCASIONALLY GALE 8

MODERATE OR ROUGH SHOWERS GOOD

DOVER

NORTHWEST 5 OR 6 BACKING SOUTHWEST 5 TO 7 PERHAPS GALE 8

LATER MODERATE OR ROUGH SHOWERS GOOD

WIGHT PORTLAND PLYMOUTH

NORTHWEST 5 OR 6 BACKING SOUTHWEST 5 TO 7 MODERATE OR

ROUGH SHOWERS THEN OCCASIONAL RAIN MAINLY GOOD

BISCAY FITZROY

VARIABLE 4 BECOMING SOUTHWESTERLY 5 OR 6 IN FAR NORTH

MODERATE OR ROUGH MAINLY FAIR MODERATE OR GOOD

SOLE LUNDY FASTNET IRISH SEA

SOUTHWEST 4 OR 5 INCREASING 5 TO 7 PERHAPS GALE 8 LATER

MODERATE OR ROUGH OCCASIONAL RAIN MODERATE OR GOOD

SHANNON

SOUTHWEST 5 TO 7 PERHAPS GALE 8 LATER ROUGH OR VERY

ROUGH RAIN OR DRIZZLE GOOD BECOMING MODERATE OR POOR

ROCKALL MALIN HEBRIDES

WEST OR SOUTHWEST 6 TO GALE 8 ROUGH OR VERY ROUGH RAIN

OR SHOWERS MODERATE OR GOOD OCCASIONALLY POOR

BAILEY

SOUTHWEST 6 TO GALE 8 PERHAPS SEVERE GALE 9 LATER VERY

ROUGH BECOMING HIGH RAIN THEN SQUALLY WINTRY SHOWERS

MODERATE OCCASIONALLY POOR AT FIRST

FAIR ISLE

NORTHWESTERLY 5 OR 6 IN EAST AT FIRST OTHERWISE

SOUTHWESTERLY 5 TO 7 PERHAPS GALE 8 LATER ROUGH OR VERY

ROUGH MAINLY FAIR THEN RAIN OR SHOWERS GOOD BECOMING

MODERATE OR POOR

FAEROES

VARIABLE 4 IN EAST AT FIRST OTHERWISE SOUTHWESTERLY 5 TO

7 OCCASIONALLY GALE 8 LATER ROUGH OR VERY ROUGH

BECOMING HIGH IN FAR WEST LATER RAIN THEN SQUALLY WINTRY

SHOWERS MODERATE OR POOR OCCASIONALLY GOOD

SOUTHEAST ICELAND

SOUTHEASTERLY VEERING SOUTHWESTERLY 6 TO GALE 8 PERHAPS

SEVERE GALE 9 LATER ROUGH OR VERY ROUGH BECOMING VERY

ROUGH OR HIGH RAIN THEN SQUALLY WINTRY SHOWERS MODERATE

OR POOR OCCASIONALLY GOOD
Current North Atlantic Chart from The Ocean Prediction Centre
File last downloaded 20/12/2014 18:37

48 hour North Atlantic Chart from The Ocean Prediction Centre
File last downloaded 20/12/2014 18:37

96 hour North Atlantic Chart from The Ocean Prediction Centre
File last downloaded 20/12/2014 18:37