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Examples of Weather Messages




1) Culler Coastguard shipping forecast. 2048 UTC AUG. 29 The general synopsis at midday. Low southeast Iceland 994 moving slowly east and filling. Low northeast England 1010 expected central Sweden 1008 by midday tomorrow. New low forming northern England 1010 by the same time. Atlantic low moving steadily southeast. The area forecast for the next 24 hours issued by the meteorological office. Viking. Westerly 3 or 4 becoming variable 5. Showers. Visibility is moderate or good. Glomary, Forth. Variable 3 or 4. Rain at times. Visibility moderate. Tyne. Variable 3 or 4. Rain at times. Visibility is moderate with fog patches. Fisher. Southerly veering northwesterly 4 or 5 becoming variable 3 or 4. Occasional rain or showers.  
2) Reykjavik Radio. A forecast message from the Icelandic meteo-office. A 992 MB deepening low west of Ireland is drifting north. A trough extends from the low towards Iceland. Forecast for the next 24 hours. Deep sea banks. Intermittent drizzle, fog patches. Visibility moderate becoming poor locally.  
3) Murmansk weather forecast for the next 24 hours. A1, A2, A3. Wind variable 4. Scattered snow and sleet. A4, A5, A6. Wind variable, mainly southeasterly 4. Scattered wintry showers. Elsewhere good.  
4) National weather service NMC/MET operations division. Washington D.C.   2230 UTC Dec. 15. Securite North Atlantic North of 32N to 65N and West of 35 W Forecast valid 0600 UTC Dec. 17 Warnings Developing storm 36N 74W 990 MB at 1800 UTC will move E 15 kt. Winds 25 to 35 kt. And seas to 12 to 20 ft between 32N and 42N of 70W. Atlantic cold front 32N 69W 22N 79W at 1800 UTC Dec. 15. Wind W to NW 30 to 40 kt, Seas to 12 to 20 ft after 0600 UTC Dec. 16.

 

Abstract form “IMO Standard Marine Communication Phrases”

6.2.1.8. Meteorological information (The following phrases should normally be preceded by Message Marker “INFORMATION” or “WARNING”)

 

1. Position of tropical storm ... (name).... path ... (compass point), speed of advance ... knots.
2. Wind direction ... (compass points), force Beaufort ... in position ...
3. Wind backing and increasing / decreasing.
4. Wind veering and increasing / decreasing.
5. Wind expected to increase / decrease in position ... to force Beaufort ... within next ... hours.
6. Visibility in position ... metres / nautical miles.
7. Visibility reduced by mist / fog / snow / dust / rain/ ...
8. Visibility expected to increase / decrease to ... metres/ nautical miles in position ... within next ... hours.
9. Sea / swell in position ... metres from ... (compass points).
10. Sea / swell expected to increase / decrease within next ... hours.
11. Icing expected / not expected to form in area around ...

 


UNIT 2.


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