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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 26/04/2015 08:01
FPUK71 EGRR 260900

AND NOW THE SHIPPING FORECAST ISSUED BY THE MET OFFICE

ON BEHALF OF THE MARITIME AND COASTGUARD AGENCY AT 1130

UTC ON SUNDAY 26 APRIL 2015 FOR THE PERIOD 1200 UTC

SUNDAY 26 APRIL TO 1200 UTC MONDAY 27 APRIL 2015

THERE ARE WARNINGS OF GALES IN ROCKALL HEBRIDES BAILEY

FAIR ISLE FAEROES AND SOUTHEAST ICELAND

THE GENERAL SYNOPSIS AT 0600

LOW NORWEGIAN BASIN 977 EXPECTED 100 MILES NORTH OF

FAEROES WITH LITTLE CHANGE BY 0600 TOMORROW NEW LOW

EXPECTED ROCKALL 1000 BY SAME TIME LOWS FITZROY 1004

MOVING SLOWLY EASTWARDS LOSING THEIR IDENTITIES

THE AREA FORECASTS FOR THE NEXT 24 HOURS

VIKING

WESTERLY OR SOUTHWESTERLY 5 OR 6 OCCASIONALLY 7 IN

NORTH MODERATE OR ROUGH OCCASIONALLY VERY ROUGH IN

NORTH WINTRY SHOWERS GOOD OCCASIONALLY MODERATE

NORTH UTSIRE SOUTH UTSIRE

WESTERLY OR SOUTHWESTERLY 4 OR 5 OCCASIONALLY 6 AT FIRST

IN NORTH UTSIRE MODERATE OR ROUGH WINTRY SHOWERS GOOD

OCCASIONALLY MODERATE

FORTIES CROMARTY FORTH

WEST OR NORTHWEST 3 OR 4 INCREASING 5 TO 7 MODERATE

OCCASIONALLY ROUGH WINTRY SHOWERS GOOD OCCASIONALLY

MODERATE

TYNE DOGGER FISHER

WEST OR NORTHWEST 3 OR 4 INCREASING 5 TO 7 MODERATE

OCCASIONALLY ROUGH SHOWERS GOOD

GERMAN BIGHT HUMBER

VARIABLE 3 OR 4 BECOMING NORTHWEST 5 OR 6 LATER SLIGHT

OR MODERATE OCCASIONALLY ROUGH LATER IN GERMAN BIGHT

FAIR GOOD

THAMES DOVER WIGHT PORTLAND PLYMOUTH

NORTHEAST BACKING NORTH OR NORTHWEST 4 OR 5

OCCASIONALLY 6 AT FIRST IN PORTLAND AND PLYMOUTH SLIGHT

OR MODERATE RAIN AT FIRST GOOD OCCASIONALLY POOR AT

FIRST

BISCAY FITZROY

CYCLONIC BECOMING NORTH 4 OR 5 OCCASIONALLY 6 AT

FIRST MODERATE RAIN OR SHOWERS GOOD OCCASIONALLY POOR

SOLE LUNDY FASTNET

NORTHEAST 5 OR 6 BACKING WEST OR NORTHWEST 4 OR 5

SLIGHT OR MODERATE BUT ROUGH FOR A TIME IN SOLE

SHOWERS GOOD

IRISH SEA

NORTH OR NORTHWEST BACKING SOUTHWEST LATER 4 OR 5

SLIGHT OR MODERATE SHOWERS GOOD

SHANNON

NORTH 4 BACKING NORTHWEST 5 TO 7 PERHAPS GALE 8 LATER

MODERATE OR ROUGH BECOMING VERY ROUGH IN NORTH SHOWERS

GOOD

ROCKALL

NORTH OR NORTHWEST 5 OR 6 BECOMING CYCLONIC 6 TO GALE 8

PERHAPS SEVERE GALE 9 LATER ROUGH BECOMING VERY ROUGH

OCCASIONALLY HIGH LATER SQUALLY WINTRY SHOWERS SLEET

FOR A TIME MODERATE OR GOOD OCCASIONALLY POOR

MALIN

NORTH 5 OR 6 BECOMING CYCLONIC 5 TO 7 LATER PERHAPS

GALE 8 LATER MODERATE OR ROUGH BECOMING VERY ROUGH

LATER IN WEST WINTRY SHOWERS OCCASIONAL RAIN LATER

GOOD OCCASIONALLY POOR

HEBRIDES BAILEY

NORTHWESTERLY 6 TO GALE 8 BACKING SOUTHEASTERLY 5 LATER

IN SOUTH HEBRIDES ROUGH OR VERY ROUGH SQUALLY WINTRY

SHOWERS GOOD OCCASIONALLY POOR

FAIR ISLE FAEROES SOUTHEAST ICELAND

WESTERLY OR NORTHWESTERLY 6 TO GALE 8 OCCASIONALLY

SEVERE GALE 9 EXCEPT IN FAIR ISLE ROUGH OR VERY ROUGH

OCCASIONALLY HIGH SQUALLY WINTRY SHOWERS MODERATE OR

GOOD OCCASIONALLY POOR LIGHT ICING IN SOUTHEAST ICELAND
Current North Atlantic Chart from The Ocean Prediction Centre
File last downloaded 26/04/2015 11:29

48 hour North Atlantic Chart from The Ocean Prediction Centre
File last downloaded 26/04/2015 11:29

96 hour North Atlantic Chart from The Ocean Prediction Centre
File last downloaded 26/04/2015 11:29