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Weather Ships (OWS) MET/2/4/1/2/d Harbours and Piers MET/2/4/1/2/e Light Vessels MET/2/4/1/3 Upper Air MET/2/4/1/3/a Tephigrams MET/2/4/1/3/b Upper Air Tables MET/2/4/1/3/c Upper Air Data MET/2/4/1/3/d Met Reconnaissance Flights MET/2/4/2 Data Display MET/2/4/2/1 DWR / DWS MET/2/4/2/2 DWR Supplements MET

-colour traffic light system for all its forecasts and hazard warnings related to weather conditions on Lake Victoria: Green – No hazard warnings in force. It is safe for small craft to navigate on the lake. Amber – Be prepared Potentially dangerous weather and water conditions are expected. Small

and eastern/central Scotland. Southeast of this boundary, it will remain very warm to hot and humid, with a small chance of an isolated afternoon thunderstorm. Winds will be light to moderate. Tuesday night will be mostly dry with variable cloud. Central and southeastern England will start clear but may

Fog Fog Fog Fog Fog Fog Fog Precipitation probability 10% 10% 10% 10% <05% <05% <05% <05% Forecast for Tuesday 23 Dec 2025 2025-12-23 Weather: Extensive low cloud in the hills with occasional light drizzle. A few bright or clear intervals possible on low slopes in the west. Chance of cloud-free

, and improvements to the way mixing is represented in the boundary layer under certain cloud regimes has corrected a long-standing problem of unrealistic temperature profiles. In the tropics and sub-tropics, convection has more realistic structure and spurious light rain/drizzle is reduced

. Other major centres of population include Peterborough, Norwich, Ipswich, Cambridge, Lincoln, Grimsby and Hull. Temperature The mean annual temperature over the region varies from around 9.5 °C to just over 10.5 °C. Variations in temperature depend on both altitude, with a decrease of about 0.5 °C

. “But for the vast majority, I think it will be a dry and a bright day tomorrow with some good spells of sunshine lifting the temperatures. A warmer day than today, feeling warmer because the winds will be light and with a bit of sunshine, we're likely to see those temperatures more widely over 20°C. 24, 25°C

day – and a simple traffic light system was developed to signify potential hazards. Supported by: Fund Manager: Spreading the message Developing the forecasts was one thing, but getting them out to remote communities across a vast geographical area was another. To be effective, it was crucial

and rain will begin to approach the far northwest later in the night. Further south, areas such as Wales, southwest England, and the Midlands may see light rain or drizzle under low cloud, while other regions remain dry with variable cloud cover. It will be a mild night for most. Outlook for Saturday

positioned across Europe. This system detects pulses of radio waves, known as 'sferics,' emitted during lightning strikes at a very low frequency (VLF). These sferics travel great distances, reflected between the Earth's surface and the ionosphere, similar to light in a fiber optic cable. To pinpoint