(report from environment Canada) ...grand Lake area tornado classified as an ef-1... On Saturday July 20, 2013 a hot, humid and unstable air mass combined with a cold front sweeping across New Brunswick produced severe thunderstorms across southern parts of the province. Scattered thunderstorms began to develop near midday on Saturday with a few of those cells reaching severe thresholds by early evening. Brief heavy downpours along with gusty surface winds were reported by Canwarn severe weather spotters in a few locations. However by far the most intense event on this day occurred in the grand Lake area where a tornado touched down near jemseg and tracked in a general easterly direction. The tornado produced areas of significant tree damage from the point of touchdown to a distance of near 15 km away. In addition to the tree damage, at least 3 barns were destroyed in the whites cove area with Debris from these structures found as far as 350 m away. Damage was also documented in the Cambridge Narrows area with at least 3 more structures damaged or destroyed including another large barn. Debris from that barn was picked up and carried over 300 m. Power and communications outages were also reported as a result of the tornado. Remarkably no Major injuries were reported. Several videos of the event show a well developed tornado in the area and an Environment Canada storm survey team was onsite to document the damage. Based on characteristics of the damage observed by the storm survey team, this tornado has been classified as an ef-1 on the enhanced Fujita scale. Ef-1 tornadoes account for about 25 percent of all tornadoes and produce winds between 135 km/h and 175 km/h.
Posted on: Wed, 24 Jul 2013 22:02:04 +0000
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