‘I am sweating badly': New Yorkers and visitors cope with extreme heat
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Yahoo
3 minutes ago
- Yahoo
Tornado debris can travel surprisingly far after a violent storm
Intense tornadoes are capable of producing destructive winds of more than 300 km/h. These whirlwinds can reduce the mightiest oak tree to splinters and entirely demolish a solidly built home. All that debris doesn't stick around where it came apart. A tornado can loft debris hundreds of kilometres away from where it originated—and some of that debris is incredibly heavy. DON'T MISS: Tornadoes suck upward like a vacuum Tornadic winds are capable of producing tremendous damage on their own. But these storms are unique in that they suck upward rather than just blowing wind around in a circle. This upward component of the violent winds provide tornadoes the leverage they need to peel roofs from homes, uproot trees, and toss vehicles as if they were toys. Winds within a twister extend from the surface deep into the heart of its parent thunderstorm. While most debris falls back to the ground in a hurry, some objects can loft high into the thunderstorm—and then take a long ride on upper-level winds. It's common after a violent tornado to see debris travel dozens, if not hundreds, of kilometres downwind from the point of damage. This is called debris fallout—and it's actually possible to see it on weather radar. The radar image above shows the debris fallout from a violent tornado in southern Mississippi on April 12, 2020. A powerful EF-4 tornado damaged or destroyed thousands of structures along its 110-kilometre path. Special technology embedded in weather radar allows us to 'see' debris suspended in the atmosphere during and after a tornado. The tornado itself is visible as a tight ball of debris. Strong upper-level winds blew a tremendous amount of debris downwind, which the radar was easily able to detect. It takes tremendous forces to loft heavy debris like metal and wood long distances. A strong EF-2 tornado in April 2018 struck Greensboro, North Carolina, and tossed heavy pieces of corrugated metal nearly 30 kilometres downwind. Lighter objects like envelopes and photographs are known to travel hundreds of kilometres. One paper published in 1998 found that pieces of paper had been transported up to 335 km downwind from a tornado. Another study in 1995 found that a twister in Barneveld, Wisconsin, had transported 'traceable' pieces of paper—such as invoices and personal cheques—177 km away from the damaged town. Header image of tornado damage in Mississippi on April 12, 2020, courtesy of NOAA/NWS. WATCH: Don't fall victim to these dangerous tornado myths Click here to view the video
CBS News
5 minutes ago
- CBS News
San Francisco experiencing coldest summer since 1982, with only two days above 70 degrees
People in the Bay Area have probably noticed it's been a chilly July, and summer in general, but with all of the fog/mist keeping the region cool, there has technically been measurable rainfall during what is normally the driest month of the year. Downtown San Francisco observed rain for four days of the past seven, including Saturday morning. It's not a lot, but it's better than normal by about sixfold. The marine layer has been keeping the area way cooler than normal. In fact, it's the city's coldest summer since 1982. There have been 14 days this year with temperatures above 70 degrees, but only two occurred during the summertime. Normally, the city would have seen 14 days at or above 70 degrees just at this point in the summer, June 1 - July 25. Cooler-than-normal conditions will continue through the end of the month and the beginning of August.
Fox News
35 minutes ago
- Fox News
‘The Cup Guy' marvels attendees at 170th Ohio State Fair
Fox News meteorologist Janice Dean shares highlights from the Ohio State Fair in Columbus on 'Fox & Friends Weekend.'
