![]() ![]() ![]() EDT (1200 UTC), the center of the eye of Hurricane Florence was located by an Air Force Reserve reconnaissance aircraft and NOAA Doppler weather radars to be near latitude 33.1 degrees north and longitude 75.1 degrees west.įlorence is moving slower toward the northwest at about 12 mph (20 kph). A Tropical Storm Warning is in effect from north of Duck, North Carolina to Cape Charles Light Virginia, and Chesapeake Bay south of New Point Comfort.Īt 8 a.m. A Hurricane Watch is in effect for Edisto Beach, South Carolina to South Santee River, South Carolina. A Hurricane Warning is in effect for South Santee River, South Carolina to Duck, North Carolina and the Albemarle and Pamlico Sounds. A Storm Surge Watch is in effect for Edisto Beach South Carolina to South Santee River, South Carolina and north of Duck, North Carolina to the North Carolina/Virginia border. NHC noted s Storm Surge Warning is in effect for South Santee River, South Carolina to Duck, North Carolina and for the Albemarle and Pamlico Sounds, including the Neuse and Pamlico Rivers. NASA research has found that cloud top temperatures as cold as or colder than the 70F/56.6C threshold have the capability to generate heavy rainfall. Surrounding the eye were thick rings of powerful storms with cloud tops as cold as or colder than minus 70F (minus 56.6C). MODIS found coldest cloud top temperatures in a tight band around the eye wall (the thunderstorms surrounding the open eye), as cold as or colder than minus 80 degrees Fahrenheit (F)/minus 112 degrees Celsius (C). 13, Moderate Resolution Imagine Spectroradiometer or MODIS instrument aboard NASA's Aqua satellite analyzed Hurricane Florence in infrared light. The global models suggest that this shear will relax today while Florence moves over warm waters, however, given the current storm structure, little overall change in strength is anticipated as Florence approaches the coast."Īt 2:20 a.m. It appears that some southern shear has caused the degradation of the inner core. NOAA's National Hurricane Center (NHC) said "microwave overpass indicated that the convection over the southern and southeastern portions of the storm is still disrupted, and that the eyewall was open to the southeast. That's because vertical wind shear, the change of speed and direction of winds with altitude was buffeting the southern side of Florence and preventing the development of higher, stronger thunderstorms in that part of the storm. That means that the cloud tops are lower in the atmosphere, and the storms are not as powerful. 13, NASA's Aqua satellite's infrared data showed the clouds in the southern quadrant of Hurricane Florence appeared warmer than storms throughout the rest of Florence. Infrared and Microwave Satellite Images RevealĮarly on Sept. Nearly 37 million people could be in its path, and the storm has prompted mass evacuations in the Philippines and China.The National Hurricane Center or NHC noted that hurricane-force winds extend outward up to 80 miles (130 km) from the center and tropical-storm-force winds extend outward up to 195 miles (315 km). It has sustained wind speeds of to 180 mph, and could be bigger and stronger than Florence when it hits land. Meanwhile, in the Pacific Ocean, Super Typhoon Mangkhut is expected to make landfall in the Philippines on Saturday. Tropical Storm Joyce was upgraded from subtropical status late Thursday night. A tropical storm warning has been issued for all of the Azores. Forecasters say it could pass near the Azores, an autonomous region of Portugal, over the weekend. Tropical Storm Helene is accelerating northward with wind speeds of 65 mph. Account icon An icon in the shape of a person's head and shoulders. ![]()
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