![]() Anyone who is struck by lightning should always seek medical advice as soon as possible after the event. It is safe to touch someone who has been struck by lightning and provide them with CPR or First Aid if it is needed. ![]() If you are in a group, keep a space between you and others. Although they don’t significantly increase the risk of attracting a strike, it’s wise to lay metal items, like walking poles, aside until the storm passes. Put your hands on your knees rather than touching the ground. Minimise contact with the ground and any conducting objectsĬrouch or sit on the ground, ideally on top of an insulating material such as a rucksack or sleeping mat. It’s safest to find the lowest open ground rather than taking shelter in caves or under trees as the lightning takes the quickest route to the ground.Ħ. The construction of a time-height diagram can be seen below in Figure 2. A time-height diagram has height as the vertical axis and time as the horizontal axis and has a contour plot of radar reflectivity drawn in this height/time space. Only descend if it’s safe to do so scrambling quickly on uneven terrain can be particularly hazardous in rainfall. A time-height diagram was produced once a storm was chosen for analysis. The higher and more exposed you are, the greater the danger. Lightning strikes are more frequent on summits because lightning takes the shortest route to earth. If you get caught in a storm, try to put higher ground between you and the storm. So, a three-second delay between lightning and thunder means that the storm is about 1 km away a six-second delay means that the storm is about 2 km away. Lighting appears almost simultaneously, while thunder travels at 1 km per 3 seconds. On warm days the danger will increase as the heat builds through the day.Īs a storm approaches, you can estimate its distance from your location by measuring the time between lightning flashes and the rumble of thunder. If the clouds start to become menacing, it’s time to review your plans. Be especially cautious of potential storms in the summer months which can involve hail, gusty winds and torrential downpours.Įven the best weather may not accurately predict the exact time and place a storm will hit. Or chose a route with low elevation on less exposed ground. If storms are forecast, consider cancelling your walk. You can reduce the risk of harm to yourself and others by following these tips.Īlways check the weather forecast before starting a walk via a service such as the Met Office or the Mountain Weather Information Service. So it’s good to know what to do if you encounter a thunder and lightning whilst out walking. Thunderstorms are a natural hazard that can happen at any time of the year in Great Britain.
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