![]() The minimum number of cloud-to-ground lightning flashes in Canada in one year was 1.5709 million in 2009.The average number of cloud-to-ground lightning flashes per year in Canada is 2.2521 million.The approximate number of cloud-to-ground lightning flashes detected in Canada since the Canadian Lightning Detection Network (CLDN) began in 1999 is 45 million.Ontario - West - small areas South and North Saskatchewan - South Central - small areas Northwest Territories - small areas West of Great Slave Lake local time in Western Canada (1999-2018) Area in Province or Territoryīritish Columbia - North and South Coast, Coastal Mountainsīritish Columbia - Vancouver - North Shore Mountainsīritish Columbia - small areas near Jasper National Park Percentage of lightning occurring between 10:30 p.m. Ontario - Central and North - small areas Ontario - West - small areas extreme SouthĪverage date of the end of lightning season in Eastern Canada (1999-2018) Area in Province or Territory Northwest Territories - South - small areas West of Great Slave LakeĪverage date of the beginning of lightning season in Eastern Canada (1999-2018) Area in Province or TerritoryĪverage date of the end of lightning season in Western Canada (1999-2018) Area in Province or Territoryīritish Columbia - Central Interior - small areasīritish Columbia - Coastal High Mountain Ranges Northwest Territories - South - small areas Remember our slogans, “When Thunder Roars, Go Indoors” and “See a Flash, Dash Inside.”įor more tips, check out our lightning safety webpage.Average date of the beginning of lightning season in Western Canada (1999-2018) Area in Province or Territory When you can hear thunder, lightning is nearby - and it can strike from as far as 10 miles away! During a thunderstorm, it is not safe to be outdoors. Each year, on average, 300 people are struck by lightning with 30 fatalities. Lightning is possible all year long, with the peak months being June, July and August. On average, about 25 million lightning flashes occur each year across the U.S. ![]() The tool will be updated annually as the previous year's quality controlled lightning data becomes available. Lightning Climatology was launched by the Storm Prediction Center, a division of the National Weather Service, and is based on more than 20 years of lightning data from the National Lightning Detection Network. Another option is to plan the wedding in winter or spring when lightning is less likely. If you still want to have the wedding in the afternoon, you may want to arrange for a backup indoor location to seek safe shelter if a thunderstorm is in the forecast. The data shows that lightning flashes are less likely to occur in morning hours during the summer. We did that search and the data shows that mid-afternoon hours have the highest probability of lightning across the Tampa area for any day of the year. You can use Lightning Climatology to find out the probability of one or more cloud-to-ground lightning flashes in a 1-hour, 4-hour or 24-hour time period. Imagine that you are planning an outdoor wedding for the summer of 2023 in Tampa, Florida. “This climatology data will help people make more informed decisions that impact everything from safety to cost-savings, and could improve the chance for a successful event. “Our new tool tells a story about when and where chances for lightning may be higher, putting anyone outside at a greater risk,” said Aaron Treadway, Severe Services Coordinator and lightning safety expert at NOAA’s National Weather Service. Monitor your local radar for thunderstorms, which will help you know when to seek safe shelter. While the Lightning Climatology tool helps identify how long-term plans may be impacted by thunderstorms, always check the weather forecast for short-term plans. Organizers and supporters of outdoor events, outdoor workers, the aviation industry, emergency managers and meteorologists who forecast fire weather - or anyone interested in thunderstorms and lightning - can all benefit. shows when cloud-to-ground lightning flashes are historically most frequent for any location across the country.ĭata about long-term lightning trends, as well as dates and times of reduced lightning risk, can be useful in a wide range of ways for virtually everyone. NOAA’s new Lightning Climatology tool for the continental U.S.
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