Articles tagged with Hurricanes
The NASA HS3 mission is studying the changing profile of the atmosphere to learn more about how hurricanes form and strengthen. The CPL instrument provides a two-dimensional picture of cloud and aerosols, allowing scientists to discriminate between different types of particles and improve hurricane models.
Tropical Storm Polo is intensifying with strong thunderstorms and high cloud top temperatures near -63F/-53C, potentially generating heavy rain. The storm's center was located near latitude 12.8 north and longitude 99.4 west, with maximum sustained winds of 40 mph (65 kph) and a predicted strengthening into a hurricane by Thursday.
Tropical Storm Odile continues to affect the US Southwest, bringing heavy rainfall and flash flood watches. The storm is predicted to weaken and potentially become a tropical depression by early Wednesday.
A NASA satellite observed the remnants of Tropical Depression 16-E being drawn into Hurricane Odile. The tropical depression had lost its well-defined circulation and was moving east-northeast at 13 mph when it was absorbed by the hurricane.
NASA's Terra satellite and NOAA's GOES-East satellite captured images of Tropical Storm Edouard as it grew into a Category 2 hurricane. The storm consolidated with its bands of thunderstorms becoming more tightly wrapped around the eye, which became visible on and off during September 14.
A new statistical model complements hurricane forecasting by showing the size of storms, not just wind speed. This metric allows forecasters to better assess the risk of hurricanes that make landfall.
Hurricane Odile made landfall near Cabo San Lucas with winds of up to 110 knots, dropping rain at a rate of over 188.4 mm per hour. The storm's weakening system will continue to bring torrential rainfall and flash floods to the Baja California Peninsula.
Tropical Storm Kalmaegi intensified as NASA's Aqua satellite captured its visible image approaching the Philippines. The storm is expected to strengthen over the next couple of days and potentially become a typhoon by September 13.
Tropical Depression 16E is forecasted to dissipate and be absorbed by Tropical Storm Odile due to unfavorable influence of the larger storm. The depression is currently drifting northwest at 2 mph and will eventually turn east-southeast as it gets caught up in Odile's circulation.
The TRMM satellite detected powerful thunderstorms near Odile's center, dropping rain at a rate of over 196 mm/h. The combined data from TRMM and Aqua satellites showed the coldest cloud tops in storms circling Odile's center, with temperatures as low as -63F/-53C.
The Suomi NPP satellite captured high-resolution infrared images of Tropical Storm Edouard, revealing very high thunderstorms and cold cloud top temperatures. The storm is moving west-northwest at 16 mph, with forecasters predicting it may become a hurricane by September 15.
Tropical Depression 6 formed in the Eastern Atlantic Ocean with a well-defined circulation and organized convective banding near the center. The depression has maximum sustained winds near 35 mph and is expected to move northwest or west-northwest over the next couple of days.
NASA's Aqua satellite detected Tropical Depression 15-E on September 10, which strengthened into Tropical Storm Odile shortly after. The storm is expected to create swells and rough surf along Mexico's southwestern coast over the next day or two.
Post-tropical cyclone Norbert is weakening and losing strength, but still causing rough surf along the Baja California coast. The storm's remnants are expected to spread heavy rains and life-threatening flash flooding across northern Mexico and the southwestern United States.
The TRMM satellite calculated heavy rainfall generated by Hurricane Norbert and Tropical Storm Dolly. Rainfall totals were greater than 300 mm, affecting the open waters of the Pacific Ocean and near Mexico's western and Gulf coasts.
Hurricane Norbert's visible bands of thunderstorms spiraled into the center in NASA satellite imagery on September 4, but lost some organization due to easterly vertical wind shear. The hurricane is forecast to track parallel along the coast of Baja California for the next couple of days.
NASA's HS3 hurricane mission and Terra satellite captured detailed data on Tropical Storm Dolly before it made landfall in eastern Mexico. The data revealed Dolly's strongest thunderstorms were around its center of circulation, indicating a more organized storm than Norbert.
Tropical Storm Norbert is expected to bring heavy rainfall and strong winds to Mexico's west coast, with tropical storm conditions forecast for La Paz to Santa Fe by Thursday night. The storm is currently located near the southern tip of Baja California and is moving northwestward at 8 mph.
Hurricane Marie has transitioned into a post-tropical storm, losing organized deep convection and thunderstorm development. The animation from NASA's GOES Project shows the storm's structure being blown apart, with clouds and showers north of the center.
Hurricane Cristobal is racing through the North Atlantic, losing its tropical characteristics. The storm is expected to remain a powerful extra-tropical cyclone over the region until Sunday.
TRMM analyzed Cristobal's movement northward along the US East Coast before it began to recurve away from the coast due to an approaching shortwave trough. The storm's sustained winds were reported at 70 knots (80.5 mph) with a partial eyewall observed in infrared imagery.
The TRMM satellite estimated rainfall totals from August 18-25, 2014, revealing heavy flooding over the Dominican Republic and Puerto Rico. The Turks and Caicos Islands received over 350mm of rainfall, with some areas experiencing totals exceeding 275mm.
Tropical Storm Marie has weakened significantly due to the presence of cooler waters, with its strongest thunderstorms located in the southern quadrant. The storm's cloud tops have warmed, indicating a decrease in its strength.
Hurricane Marie, over 400 miles in diameter, brings rough surf to southern California's coastline. The storm is expected to weaken and become a post-tropical cyclone as it moves northwest.
Karina, a former hurricane, was being drawn into Hurricane Marie's circulation in the Eastern Pacific. The National Hurricane Center reported that Karina's maximum sustained winds were near 30 mph on August 27, centered 1,185 miles west-southwest of Mexico.
Heavy rainfall and intense convective storms were detected by NASA's TRMM satellite in Hurricane Cristobal, with some storms reaching heights of over 9.3 miles and generating heavy rain. The storm is expected to become a powerful extra-tropical cyclone over the North Atlantic by Friday.
NASA's HS3 mission investigates hurricane formation and intensity change using two unmanned Global Hawks, analyzing data on winds, temperature, pressure, and humidity. The mission aims to examine conditions that favor rapid intensification of tropical cyclones.
Hurricane Marie has extended hundreds of miles from its eye, causing heavy rainfall and hurricane-force winds on nearby Socorro Island. The storm is also generating dangerous surf along the western coast of mainland Mexico.
Hurricane Cristobal caused deaths in the Dominican Republic, Haiti, and Jamaica due to strong winds and flooding. The satellites provided critical data on rainfall rates and wind speeds, tracking the storm's intensification and forecasted path.
Hurricane Marie is expected to swallow Tropical Depression Karina, which is being drawn into the powerful circulation of the hurricane. Karina's maximum sustained winds have dropped to 30 mph (45 kph), weakening the depression as it moves southeast at 6 mph (9 kph).
Former Hurricane Lowell has degenerated into a remnant low pressure area, with its center located near latitude 24.7 north and longitude 127.4 west, about 1,110 miles from Baja California, Mexico.
Hurricane Marie reached Category 4 status on August 24, with maximum sustained winds of near 135 mph and a minimum central pressure of 944 millibars. The storm continued to cause dangerous surf along the west coast of Mexico, with swells affecting the southwestern coast and potentially life-threatening conditions expected.
Tropical Storm Karina weakened due to strong wind shear from Hurricane Marie, according to NASA satellite data. Karina's maximum sustained winds dropped to 40 mph on August 25 as it moved east-southeast around the western edge of Marie.
Tropical Storm Cristobal formed near the southeastern Bahamas on August 24, with NASA's Aqua satellite and NOAA's GOES-East satellites providing imagery of its birth and movement. The storm was expected to produce heavy rainfall over the Turks and Caicos Islands and parts of the southeastern and central Bahamas.
Tropical Storm Lowell poses a threat to Baja California with strong ocean swells and life-threatening surf conditions. The storm's size and weakening trend indicate it may become a post-tropical cyclone by the weekend.
Tropical Storm Marie rapidly formed off Mexico's coast, with powerful thunderstorms stretching towards the troposphere. The storm is expected to intensify rapidly due to warm sea surface temperatures, potentially becoming a hurricane by Monday, August 25. Rapid intensification is predicted due to favorable environmental conditions.
Hurricane Lowell strengthened into a Category One hurricane with sustained winds of 75 mph after being observed by NASA satellites. The storms' cloud top temperatures exceeded -63F, indicating high thunderstorms with potential heavy rainfall.
Tropical Storm Karina appeared as a giant number nine due to strong thunderstorms spiraling into its center. The storm is now weakening due to moderate-to-strong vertical wind shear and dry air affecting its development of thunderstorms.
Tropical Storm Karina is being affected by the larger circulation of Tropical Storm Lowell. As a result, it is expected to drift eastward and then northeastward with an increase in forward speed around the south and east sides of Lowell.
Tropical Storm Lowell has a well-organized band of thunderstorms on its south side, which is intensifying according to satellite imagery. The storm is expected to strengthen due to favorable conditions, including low shear and high moisture.
The 12th tropical depression of the hurricane season has formed in the Eastern Pacific, with satellite imagery showing it is significantly larger than nearby Tropical Storm Karina. The depression spans approximately 800 nautical miles in diameter, dwarfing typical sizes of around 350 miles/600 km.
NASA satellite data shows Tropical Storm Karina's consistent strength and thunderstorm development since weakening from hurricane status. The storm's cloud pattern has remained relatively unchanged, with strong thunderstorms circling the center, especially on the northern edge.
Hurricane Karina's vertical wind shear was evident in NASA imagery captured on August 14, with clouds being pushed to the western side of the storm. The National Hurricane Center predicts further weakening over the next two days as Karina moves over sea surface temperatures near 26C.
Tropical Storm Julio is located over 700 miles away from Hawaii, with maximum sustained winds of 65 mph. The storm is expected to weaken and turn north by August 15.
Tropical Storm Karina formed in the Eastern Pacific on August 13 near Socorro Island, strengthening from a 11th tropical depression. The storm's maximum sustained winds were near 40 mph with an estimated minimum central pressure of 1005 millibars.
NASA's Aqua satellite captured a visible image of Tropical Storm Karina on August 13, revealing a concentration of strong thunderstorms around its center. The storm is strengthening and expected to become a hurricane late on August 14 as it moves westward through the Eastern Pacific Ocean.
Hurricane Julio is moving north-northwest towards Hawaii, expected to weaken due to vertical wind shear. Two tropical lows are also developing in the Central Pacific Ocean, with low chances of formation.
Tropical Storm Iselle weakened significantly before striking the southeast coast of Hawaii's Big Island, causing widespread damage and power outages. The storm brought heavy rain and strong winds to the island, with sustained winds of 60 mph at landfall.
Hurricane Julio is expected to weaken slightly over the next 48 hours, down to tropical storm strength by tonight. The storm will pass north of the Hawaiian islands, bringing large swells that produce dangerous surf conditions.
Hurricane Iselle is expected to bring heavy rains, high surf, and damaging winds to Hawaii. Rainfall totals of 5-12 inches are predicted along its track, with storm surge up to 3 feet expected on the Big Island.
NASA's Fermi and Aqua satellites captured two distinct views of Hurricane Julio as it intensified: a gamma-ray flash produced by the powerful electric fields in thunderstorms, and a more structurally organized storm. These findings provide insights into the complex relationship between thunderstorms and hurricane dynamics.
The NASA Terra satellite captured images of three tropical cyclones in the Pacific Ocean: Hurricane Genevieve, Hurricane Iselle, and Hurricane Julio. Satellite data shows that Genevieve has strengthened into a hurricane with maximum sustained winds near 75 mph.
NASA's GOES-East satellite captures Bertha merging with a frontal system in the North Atlantic Ocean, causing its circulation to become barely discernible. The post-tropical storm is now moving rapidly northeastward and then eastward over the North Atlantic.
The Atmospheric Infrared Sounder and Moderate Resolution Imaging Spectroradiometer instruments aboard NASA's Aqua satellite provided infrared data and a visible image of Hurricane Bertha. The storm weakened to a tropical storm by August 5, with maximum sustained winds near 65 mph.
Thunderstorms re-developed around Tropical Depression Genevieve's center on August 5, suggesting the storm may strengthen. Genevieve is forecast to gradually intensify over the next couple of days and cross the International Date Line in a few days.
Tropical Storm Julio is part of a heated Eastern Pacific, with warmer waters contributing to its development. The storm's trajectory and potential impact on Hawaii are being closely monitored by forecasters.
TRMM satellite data revealed extreme rainfall rates of almost 182 mm per hour in Hurricane Iselle's eye wall, making it a category four hurricane at the time. The storm is expected to weaken as it heads westward into the Central Pacific Ocean and may make landfall over the Big Island as a tropical storm.
NASA's Aqua and Terra satellites captured images of Super Typhoon Halong, revealing an 11.5-mile-wide eye and signs of eyewall replacement. The storm has weakened from a Category 5 to a Category 2 hurricane, with maximum sustained winds near 120mph.
Tropical Storm Bertha passed over Puerto Rico and the British Virgin Islands before heading towards the Bahamas. The storm's powerful thunderstorms were being pushed southeast by wind shear from the northwest.
Tropical Depression Genevieve may strengthen late on August 4 and 5, while Hurricane Iselle moves toward the Hawaiian Islands. Tropical Storm Julio is also forming southwest of Mexico, expected to become a hurricane later this week.