Using data from NASA’s Multiscale Ultrahigh Resolution Sea Surface Temperature (MUR SST) project, NASA created a temperature map that showed sea surfaces in the Caribbean Sea and Gulf of Mexico at least that warm or warmer, which allowed for support and strengthening Hurricanes Iota and Eta. Ocean temperatures must be near or above 27° Celsius (80.6 Fahrenheit) to sustain a tropical cyclone. Within a day and a half, Iota’s wind speeds increased by 160 kilometers (100 miles) per hour. Iota rapidly intensified in the warm waters of the Caribbean Sea. 13 and strengthened to a hurricane two days later. Credit: NASA JPL MUR SST/Joshua Stevens, NASA’s Earth Observatory The warm water provided the fuel for both Hurricane Iota and Hurricane Eta (tracks overlaid on the map). 15 near or above 27° Celsius/80.6 Fahrenheit (deep orange and red) in the Caribbean Sea and Gulf of Mexico. This map shows sea surface temperatures on Nov. Iota’s eye was visible and surrounded by powerful thunderstorms. local time when the storm was at its peak strength. ![]() The National Oceanic and Atmospheric Administration (NOAA) GOES-16 satellite ( one of many geostationary NOAA satellites developed and launched by NASA) captured a natural-color image on Nov. Hurricane Iota’s landfall location was approximately 15 miles (25 km) south of where Category 4 Hurricane Eta made landfall on November 3. EDT as a Category 4 hurricane with maximum sustained winds near 155 mph (250 kph) along the northeastern coast of Nicaragua near the town of Haulover, about 30 miles (45 km) south of Puerto Cabezas. Iota had strengthened to a category 5 storm with sustained winds of 260 kilometers (160 miles) per hour. EDT, NOAA’s National Hurricane Center ( NHC) issued hurricane warnings for large portions of coastal Nicaragua and Honduras as the storm approached landfall. Iota is the 13th storm to reach hurricane strength this year the average hurricane year brings six hurricanes. ![]() Iota is the strongest hurricane and 30th named storm of the 2020 Atlantic season, the most since modern record keeping began (breaking the previous record of 28 set in 2005.) It also marked the first time that two hurricanes have formed in the Atlantic in any November. Credit: NOAA/NESDIS, Joshua Stevens, NASA Earth Observatory ![]() The National Oceanic and Atmospheric Administration (NOAA) GOES-16 satellite (one of many geostationary NOAA satellites developed and launched by NASA) captured a natural-color image on Nov. NASA and NOAA covered the storm with an array of Earth-observing instruments. Less than two weeks after being hit by category 4 Hurricane Eta, several Central American countries braced for the arrival of category 5 Hurricane Iota. 17, 2020 – Dangerous Hurricane Iota Sets Late-Season Records
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