Articles tagged with Tropical Cyclones
Scientists discovered a compact center surrounded by strong storms in Hurricane Hector using infrared satellite imagery. The coldest cloud tops circling the center were as cold as minus 70 degrees Fahrenheit.
Tropical Depression Jongdari is a weak low-level circulation with small thunderstorms and shallow curved bands. NASA's Terra satellite captured an image of the depression, which is expected to make landfall just north of Shanghai, China on August 3.
Tropical Storm Wukong's cold cloud tops suggest strong thunderstorms with heavy rainfall potential. The storm's unique shape indicates low westerly vertical wind shear affecting its trajectory.
NASA-NOAA's Suomi NPP satellite observed Tropical Cyclone 15W using brightness temperatures, revealing strong thunderstorms around the low-level center. The typhoon is expected to intensify to 90 knots over three days before weakening and making landfall near Tokyo.
The Global Precipitation Measurement mission detected moderate to heavy rainfall from Tropical Cyclone Son-Tinh near the northern Philippines. Extremely heavy precipitation was recorded at a rate of over 6.5 inches per hour in some areas.
Tropical Cyclone 11W formed on July 15 and maintained strength as it moved west, approaching the Philippines. The storm's center was located between Luzon, Philippines, with powerful thunderstorms wrapping into the low-level center.
Tropical Depression Two formed in the Central Atlantic Ocean on July 5, 2018, with maximum sustained winds of near 35 mph. The system is forecast to potentially strengthen into a tropical storm and then degenerate into an open trough east of the Lesser Antilles over the weekend.
NASA's Aqua satellite detects Tropical Depression 10W, forecast to intensify into a typhoon. The system is expected to pass over the Marianas late Wednesday night or early Thursday, bringing tropical storm conditions and damaging winds to Guam.
Tropical Storm Daniel weakened as it passed over NASA's Terra satellite on June 24, revealing a small area of strong storms around its center. By the next day, the storm had degenerated into a remnant low-pressure area, forecast to dissipate by Wednesday night with maximum sustained winds near 30 mph
Tropical Storm Daniel formed on June 23 and strengthened into a tropical storm by June 25. NASA's analysis showed a small area of strong thunderstorms around the storm's center, indicating potential for heavy rainfall due to cold cloud tops.
The study found that pollution levels in Hong Kong are mainly determined by tropical cyclone locations, with different impacts on PM10 and ozone levels. Tropical cyclones bring high concentrations of pollutants when located east or southeast of Hong Kong.
Tropical Cyclone Aletta has degenerated into a remnant low-pressure area, with maximum sustained winds near 35 mph. The post-tropical cyclone is forecast to dissipate by the end of the week, moving toward the west at 7 mph.
Tropical Storm Maliksi is weakening due to strong vertical wind shear, causing its cloud field to expand. The storm will transition from tropical to extratropical by the end of June 11, moving northeastward at 38 mph.
Tropical Cyclone Ewiniar has strengthened in the South China Sea, blanketing Hainan Island with bands of thunderstorms. The storm is expected to make landfall in southeastern China's mainland and dissipate quickly, prompting severe weather warnings.
Tropical Storm Sagar brought heavy rainfall to Somalia, while Cyclone Mekunu caused widespread flooding in Oman and Yemen. The Integrated Multi-satellitE Retrievals for the Global Precipitation Measurement mission estimated heavy rainfall in various regions, with some areas receiving over 3 times their annual average.
Tropical Cyclone 05W formed near Vietnam on June 2, moving northwest and intensifying into a tropical depression. NASA's satellite imagery shows the storm's center south of Hainan Island, with forecasters predicting landfall in southeastern Hainan by June 5.
NASA satellites provided an infrared, night-time and precipitation analysis of Tropical Cyclone Mekun, revealing powerful convective storms southwest of the center. The storm's cloud top temperatures were as cold as -63.1°C, indicating potential for heavy rainfall.
Tropical Cyclone Mekunu has consolidated and strengthened off Oman's coast with sustained winds near 69mph. The storm is expected to make landfall on May26 with winds near80knots, just west of Salalah, Oman.
Tropical Cyclone 02A formed approximately 655 nautical miles south of Masirah Island, Oman. The storm was observed by NASA's Aqua satellite and is forecast to strengthen as it moves over warm waters before making landfall in Oman.
Tropical Cyclone Sagar made landfall in Somalia on May 19, with NASA's Terra satellite capturing infrared images of the storm. The MODIS instrument revealed powerful thunderstorms northwest of the center, which generated heavy rain due to extremely cold cloud top temperatures.
Tropical Cyclone Sagar appears more organized on satellite imagery, strengthened since May 17. The storm's maximum sustained winds have increased to 69 mph, posing a threat to Yemen, Somalia, and Djibouti.
Tropical Cyclone 01A quickly formed in the northern Indian Ocean and strengthened into a tropical storm. The joint typhoon warning center noted maximum sustained winds near 46 miles per hour on May 16, indicating a potential for heavy rainfall.
Tropical Cyclone Flamboyan has been weakened by strong vertical wind shear, with precipitation pushed southeast of its center. The storm's elongated low-level circulation center is due to the presence of high winds, leading to a gradual decay over the next couple of days.
The GPM core satellite observed high rainfall rates of over 2.1 inches per hour in Tropical Cyclone Flamboyan on April 29, 2018. The storm was weakening due to increasing vertical wind shear and colder ocean temperatures.
NASA's Aqua satellite captured images of Tropical Cyclone Flamboyan, revealing northwesterly wind shear pushing the storm southeast. The coldest cloud tops were highest in the atmosphere, indicating strong storms capable of producing heavy rainfall.
Research at the University of Hawaii at Manoa found a strong connection between sea surface temperature patterns and increased cyclone activity in the northwestern Pacific Ocean. Dominant equatorial easterly winds caused cyclonic circulation, favoring storm formation and intensification.
NASA's Aqua satellite detected Tropical Cyclone Fakir weakening in the Southern Indian Ocean with coldest cloud top temperatures as low as minus 63 degrees Fahrenheit. On April 25, Fakir's maximum sustained winds decreased to 35 knots, and the system is moving southeast, indicating potential for heavy rainfall.
Tropical Cyclone Fakir is experiencing severe vertical wind shear, causing it to deteriorate rapidly. The system is expected to dissipate by April 26 due to unfavorable environmental conditions.
Tropical Cyclone Fakir is expected to intensify as it moves southeastward, with heavy rainfall rates reaching over 8.6 inches per hour in some areas. The GPM satellite revealed bands of extremely heavy rainfall spiraling into the cyclone's southeastern side, and predicted that the storm could peak in strength on April 24.
The remnant low-pressure area of Tropical Cyclone Iris continues to linger in the South Pacific, approximately 285 nautical miles north-northeast of Willis Island, Australia. Global computer forecast models predict the system will remain weak, but there is a possibility it could develop into a weak tropical cyclone after 84 hours.
Tropical Cyclone Keni caused widespread damage and flash flooding in Fiji, especially on the island of Kadavu. Rainfall totals exceeded 200 mm over southwestern Viti Levu and reached 430 mm southwest of Viti Levu.
Tropical Cyclone Keni is being battered by vertical wind shear, with NASA-NOAA's Suomi NPP satellite revealing clouds and storms pushed southeast of the center. Sea surface temperatures are too cool to support a tropical cyclone, making Keni an asymmetric and elongated storm.
The remnant low pressure area of Tropical Cyclone Iris appears more circular and organized, with a consolidating banding of thunderstorms. The storm's remnants are forecast to turn southwest and may regenerate in the next few days, potentially regaining tropical cyclone status.
Remnants of Tropical Cyclone Iris continue to linger off Queensland, Australia, with moderate to high vertical winds shear. The system is moving through warm sea surface temperatures, creating favorable conditions for potential re-development into a tropical cyclone.
Tropical Cyclone Keni has formed in the South Pacific Ocean, with NASA's Global Precipitation Measurement mission (GPM) detecting heavy rainfall. The storm is tracking southeastward at 25 knots, expected to weaken and begin extratropical transition by April 11.
Tropical Cyclone Keni has intensified into a tropical cyclone after consolidating over Vanuatu in the Southern Pacific Ocean. NASA's Suomi NPP satellite captured its true-color image on April 9, showing the storm's center surrounded by thunderstorms.
Tropical Cyclone Iris' remnants linger in the Coral Sea as NASA's Suomi NPP satellite captures visible images of the low-pressure area. The bulk of precipitation is located in the southern and eastern quadrants due to northwesterly vertical wind shear.
The Global Precipitation Measurement (GPM) mission observed heavy convective rainfall southeast of Tropical Cyclone Iris' surface center. Heavy precipitation rates were recorded at over 59 mm per hour in that area.
Tropical Cyclone Iris is weakening and moving away from the Queensland coast as it continues to move southeast. The cyclone's wind speeds decreased to 52 mph near its center, with cloud top temperatures indicating potential for heavy rainfall.
Tropical Cyclone Iris has taken a long and fluctuating trek since its formation in the Coral Sea. The GPM core satellite analyzed heavy rainfall as it lingered near the Queensland coast before weakening and moving away from the coast.
NASA analyzed Tropical Cyclone Josie's heavy rainfall using Integrated Multi-satellitE Retrievals for GPM (IMERG) data, revealing extreme rainfall totals of over 450 mm in some areas. The study showed that Josie's clockwise circulation caused flooding leading to at least four deaths in Fiji.
NASA's Aqua satellite captured an infrared image of Tropical Cyclone Iris, revealing powerful thunderstorms with cloud top temperatures as cold as minus 63 degrees Fahrenheit. The storm has the capability to produce heavy rainfall and is currently moving southeast towards the Queensland coast.
A tropical cyclone weakened to a low pressure area off Queensland's coast but strengthened into a Category 1 storm on April 2. NASA-NOAA's Suomi NPP satellite captured an image of the storm, showing a thick band of thunderstorms surrounding its center.
Researchers found that fringing coral reefs can effectively protect shorelines from extensive erosion caused by tropical cyclones. The study used Ningaloo Reef as a case study and showed that the reef's shape and structure can dissipate large waves, reducing coastal damage.
Super Typhoon Jelawat has developed an eye as it strengthens into a Category 5 hurricane with maximum sustained winds near 150 mph. The NASA satellite captured a stunning image of the storm on March 30, revealing its 6-mile-wide eye surrounded by strong convective storms.
NASA analyzed satellite data to calculate Tropical Cyclone Nora's heavy rainfall in Queensland, revealing over 433 mm of rain in the Gulf of Carpentaria. The analysis also indicated significant precipitation along Nora's track into northwestern Queensland, causing flooding and landslides.
Tropical Cyclone Iris is being torn apart by strong wind shear, resulting in fragmented areas of thunderstorms and potential for heavy rainfall. The storm is weakening rapidly due to cooler waters and stronger vertical wind shear, expected to dissipate in the next day or two.
A tropical cyclone in Western Micronesia is expected to strengthen into a storm but is too far away to affect the Philippines. The Suomi NPP satellite will monitor changes in vegetation productivity and track natural disasters from space.
Cyclone Iris is a low-end Category 1 cyclone moving south through the Coral Sea. It is likely to weaken back to a tropical low and stall in the Coral Sea area for a full week.
Tropical Cyclone Marcus is weakening rapidly due to interactions with cooler waters and increased vertical wind shear. The storm's cloud top temperatures have warmed over the last day, indicating a weakening of its uplift.
Tropical Cyclone Nora strengthened into a hurricane as observed by NASA satellite imagery, with an eye forming and powerful thunderstorms wrapping around it. The cyclone is forecast to continue intensifying and making landfall in southwestern Queensland on March 27.
Tropical Cyclone Marcus, a Category 4 hurricane, was monitored by NASA-NOAA's Suomi NPP satellite. The storm's weakening was attributed to warming cloud top temperatures and increasing vertical wind shear.
Tropical Cyclone 16P has developed over the Arafura Sea, located between Australia's north coast and New Guinea. The storm is moving east at 4.6 mph and is expected to intensify as it enters the Gulf of Carpentaria.
Tropical Cyclone Marcus has intensified into a Category 4 hurricane with maximum sustained winds reaching 149.6 mph, according to NASA's Terra satellite analysis. The system continues to strengthen due to favorable environmental conditions, including low vertical wind shear and warm sea surface temperatures.
Tropical Cyclone Eliakim's cloud tops have been found to be warming by NASA, suggesting the storm is weakening due to strong wind shear. The warmer cloud tops also led to a decrease in rainfall on the northern side of the storm.
Tropical Cyclone Eliakim caused severe flooding and landslides in eastern Madagascar with over 300 mm of rain, resulting in at least seven deaths. The storm's slow movement over the island nation led to continuous heavy rainfall.
The VIIRS instrument aboard NASA-NOAA's Suomi NPP satellite captured a true-color image of Tropical Cyclone Marcus on March 18, 2018. The storm brought hurricane-force wind gusts to Darwin, Australia, and was moving west at 16 mph per hour.
Tropical Cyclone Marcus has developed off Australia's Northern Territory coast, with NASA's Aqua satellite providing a visible light image of the storm. The cyclone is expected to move southwest, gradually turning to the west and affecting Darwin and eastern parts of Melville Island.
GPM's Dual Frequency Precipitation Radar data revealed intense convective storms in Tropical Cyclone Eliakim's northwest quadrant, dropping rain at over 205 mm/hour. The storm showed improved organization and powerful convective storms on its way to landfall in Madagascar.
Tropical cyclone Eliakim is intensifying in the Indian Ocean, with NASA's GPM satellite monitoring its formation. The storm is expected to bring heavy rainfall and potentially devastating flooding to northern Madagascar, following recent tropical cyclones Ava and Dumazile.