The National Hurricane Center reported that hurricane Delta “has rapidly intensified into a dangerous Category 4 hurricane with a maximum sustained wind speed of 130 mph.”. Dennis Feltgen, a meteorologist at the U.S. National Hurricane Center, confirmed in an email that it took only two hours and 20 minutes for Delta to upgrade from category 2 to category 4, based on the timing of various warnings. < p > < p > feltgern confirmed that the wind speed of Hurricane delta increased from 45 mph to 130 mph in 24 hours. < / P > < p > but there are some misinformation, especially on social media. Feltgen points out that, for example, it is not correct to say that the hurricane increased from 115 mph to 130 mph in only 20 minutes. < / P > < p > “(the 20 minute window) is the time between the 11:00 a.m. EST public consultation (115 mph) and the tropical cyclone update (130 mph) at 11:20 a.m. ET,” he said. “This is not the length of time that the aircraft measured the increase in wind power. The plane flew in different quadrants of the hurricane throughout the middle and late morning However, this hurricane has made history. It is the strongest hurricane ever named after the Greek alphabet. Storms are named in Greek letters only when the rotation list of 21 storm names assigned to each Atlantic hurricane season is exhausted. According to Erin wenckstern, a meteorologist at the Canadian weather network, it took only 30 hours for hurricane delta to change from tropical depression to category 4. She said on twitter that the hurricane would hit the Mexican resort city of Cancun and land in Louisiana. However, CBS News reports that a hurricane condition is expected in Mexico’s Yucatan peninsula area on Tuesday night local time, and the hurricane may land early on Wednesday. Spontaneous combustion at a Guangzhou Motor vehicle intersection and other traffic lights in Shenzhen