Shanghai Sunland Industrial Co., Ltd is the top manufacturer of Personal Protect Equipment in China, with 20 years’experience. We are the Chinese government appointed manufacturer for government power,personal protection equipment , medical instruments,construction industry, etc. All the products get the CE, ANSI and related Industry Certificates. All our safety helmets use the top-quality raw material without any recycling material.
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A ,derecho, is a widespread severe ,wind, event resulting from persistent and violent outflow from a MCS (Mesoscale Convective System). The ,derecho, environment includes dry mid-levels winds that are ingested into a squall line or a segment of a squall line.
Wind, speeds from an August 10, 2020 ,derecho, that devastated Iowa are estimated to have reached 140 mph. The word ",derecho," is taken from Spanish, meaning "direct" or "straight ahead." Derechos are most common across the Midwest and Plains states where conditions are right for moist air on the surface and cool, dry air aloft.
19/3/2020, · NOAA's Storm Prediction Center says the ,derecho, tracked about 770 miles in 14 hours. Just over three dozen locations had ,wind, gusts over 74 mph, mostly in Iowa and northern Illinois, while multiple locations in Iowa clocked ,wind, gusts of 90 mph or greater, including a …
A ,derecho, (pronounced dare-ay-show) is a long-lived straight-line damaging ,wind, event caused by a line of severe thunderstorms. It differs from typical thunderstorm lines by its rapid speed of movement and the existence of highest ,wind, speeds well behind the gust front, rather than at the gust front.