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August 9, 2024 was the rainiest day in Montreal's history, with 145 mm (5.7 in) of rain falling on the downtown core as Hurricane Debby swept over the city. [10] Montreal is ranked 160 out of 190 world cities in the 2018 STC Climate index, a ranking of the best climates to live and work in. [11]
Meteocentre (also named UQAM Weather Centre) is a website displaying real-time weather information for North America and Europe organized in three different portals, each adapted for a given area and named after a town part of the region of interest: 1) Montréal, for Québec, 2) Toulouse, for France and 3) Reading, for the United Kingdom.
The May 2022 Canadian derecho was a high-impact derecho [5] event that affected the Quebec City-Windsor Corridor, Canada's most densely populated region, on May 21, 2022.. Described by meteorologists as a historic derecho and one of the most impactful thunderstorms in Canadian history, [6] [7] winds up to 190 km/h (120 mph) as well as around four tornadoes caused widespread and extensive ...
A wind atlas contains data on the wind speed and wind direction in a region. [1] These data include maps , but also time series or frequency distributions . A climatological wind atlas covers hourly averages at a standard height (10 meters) over even longer periods (30 years) but depending on the application there are variations in averaging ...
The Canadian network was thus gradually formed and by 1997, there were 19 weather radars of two kinds across the country: 18 five centimeter wavelength (C-Band) radars and 1 ten centimeter wavelength (S-Band) at McGill, all of the radars detected reflectivity but only Carvel (Edmonton), King City (Toronto) and McGill (Montreal) were equipped ...
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In Canada, reference wind pressures are used in design and are based on the "mean hourly" wind speed having a probability of being exceeded per year of 1 in 50. The reference wind pressure q is calculated using the equation q = ρv 2 / 2, where ρ is the air density and v is the wind speed. [19]
Strong Wind (Small Craft) Warning – Issued if winds of 20 to 33 kn (37 to 61 km/h) are forecast. Gale Warning – Issued if winds of 34 to 47 kn (63 to 87 km/h) are forecast. Storm Warning – Issued if winds of 48 to 63 kn (89 to 117 km/h) are forecast. Hurricane Force Wind Warning – Issued for winds of 64 kn (119 km/h) or greater.