Temperature above 5✬, no qualifier addedĭays One and Two: In cases where temperatures are anticipated to remain steady or undergo an abnormal trend for the time period (i.e.Temperature from 1 to 5✬, add the qualifier 'plus'.Temperature below 0✬, add the qualifier 'minus'.Temperature equal to 0✬, write the term 'zero'.The following applies to both the maximum and minimum temperature: Included in the forecast for Day 3 to 7? - YesĪ single value of temperature is used. Included in the forecast for Day 1 & 2? - Yes The term Very Windy is used in British Columbia and the Yukon when winds meet local wind warning criteria. Windy: Mean wind speed 30-45 km/h and gusts less than 65km/h.ĭays Three to Seven: The term Windy is used when the mean wind speed is expected to be equal or greater than 40 km/h or when gusts are equal or greater than 50 km/h, for a period of six or more hours.Gusty winds: Mean wind speed less than 30 km/h and gusts between 31 and 64 km/h.Locally windy: For wind conditions that are local in nature.

The following are terms used to describe wind speed in British Columbia and the Yukon only: If the mean wind speed is less than 20 km/h and the wind chill criteria are met, then the phrase: 'Wind up to 15 km/h,' is used. Wind is always included when wind chill is mentioned in the forecast. “Wind south 20 km/h increasing to 40 this evening.”) For example: “Wind west at 20 km/h becoming light this evening.”Ī wind speed change is indicated only when the average sustained speed is expected to change by at least 20 km/h. The terms Light or Calm are only used in a diminishing wind situation. Wind is included when the mean speed is greater than or equal to 20 km/h. Included in the forecast for Day 3 to 7? - Yes, if it meets the criteria.

Included in the forecast for Day 1 & 2? - Yes, if it meets the criteria.

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