<p><br /> Blizzards that wreaked havoc across much of Britain and saw a teenager die on a school trip may be passing, but forecasters are warning of more miserable weather to come this Easter weekend.<br /> </p><p><br /> Natasha Paton, 17, died on Wednesday when her bus plunged 10ft into a stream during a snowstorm, as "atrocious" conditions lashed Scotland and Northern Ireland and caused travel chaos.<br /> </p><p><br /> She was one of 39 pupils and six adults on a Lanark Grammar School outing to Alton Towers when their coach crashed at Wiston in South Lanarkshire, Scotland.<br /> </p><p><br /> She is thought to have been thrown out of the vehicle as it careered down the embankment and was trapped underneath when it came to a rest. One parent questioned why the trip went ahead despite police warnings about the atrocious weather.<br /> </p><p><br /> The wintry blast also left tens of thousands of homes across the regions without power, and 107 rail passengers stranded for six hours in the Highlands when their train became trapped in deep snow.<br /> </p><p><br /> In Northern Ireland, 30,000 homes are still without power after the bad weather downed poles and lines. About 100,000 customers across the province have suffered power cuts over the past two days.<br /> </p><p><br /> Severe weather warnings about icy roads and drifting snow remain in force across much of Scotland and Northern Ireland. But experts say the heavy snow storms and gale force winds seen over the past days have moved on.<br /> </p><p><br /> The Easter bank holiday is however, expected to see rain, wind and lower-than-normal temperatures, prompting a mass getaway to sunnier climes.<br /> </p><p><br /> Around two million Britons are expected to flee the country over the Easter weekend, with Spain and its islands the most popular spots for a break away.<br /> </p>