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Environment Canada reports a chance of precipitation (COP) that is defined as "The chance that measurable precipitation (0.2 mm of rain or 0.2 cm of snow) will fall on any random point of the forecast region during the forecast period." [7] The values are rounded to 10% increments, but are never rounded to 50%. [8]
The Meteorological Service of Canada (MSC; French: Service météorologique du Canada – SMC) is a branch of Environment and Climate Change Canada, which primarily provides public meteorological information and weather forecasts and warnings of severe weather and other environmental hazards.
Heavy rain (Alberta to Southern Quebec: 50 mm (2.0 in) or more per hour. Pacific, Northern and Maritime provinces: 25 mm (0.98 in) per hour) Severe Thunderstorm Warning (SVR) – Issued when a severe thunderstorm is detected on radar or are observed by those in the immediate area. A warning is issued when one or more of the following has been ...
The Weather Network broadcasts in a news-wheel format, featuring various forecast or weather-related segments throughout the hour. For some regions including the Greater Toronto Area, Alberta and the Maritime provinces, "Regional forecasts" are shown every half-hour, featuring forecasts and weather stories specifically for its respective region.
CMC building viewed from the West CMC building viewed from the South. The Canadian Meteorological Centre (CMC; French: Centre météorologique canadien), located in Dorval, Quebec, is the branch of Environment Canada's Meteorological Service of Canada that is tasked with providing forecast guidance to national and regional prediction centres, and is responsible for running the Global ...
Knowledge of what the end user needs from a weather forecast must be taken into account to present the information in a useful and understandable way. Examples include the National Oceanic and Atmospheric Administration's National Weather Service (NWS) [89] and Environment Canada's Meteorological Service (MSC). [90]
Mesoscale forecasts (distributed under the names regional deterministic prediction system or RDPS for the coarser mesh, available for all of North America and high-resolution deterministic prediction system or HRDPS for the finer mesh, available in Canada only) are produced overnight and are available to the operational forecasters.