Articles tagged with Cyclones
Post-Tropical Cyclone Vicente has weakened to a tropical depression and is bringing heavy rain with life-threatening flash flooding to parts of Mexico. The system's remnants are expected to produce 3-6 inches of rain, leading to landslides and mountainous terrain hazards.
Post-tropical cyclone Leslie made landfall in Portugal, causing power outages and heavy rainfall, with the storm's remnants later affecting southern Spain and western Italy. NASA's Suomi NPP satellite captured images of the disorganized low-pressure system, which was visible over the Iberian Peninsula.
Research scientists at NYU Abu Dhabi have identified a new mechanism by which warm dust travels from the Sahara Desert to the Arctic Circle, affecting rising temperatures and ice melt in Greenland. The polar jet and associated atmospheric circulation play a crucial role in transporting mineral dust from the Sahara desert to the Arctic.
Typhoon Trami was located about 157 miles west-southwest of Camp Fuji, Japan and moving northeast at 28 knots (32 mph/52 kph). Maximum sustained winds were near 75 knots (86 mph/139 kph) as it tracked very rapidly over Honshu.
Scientists at Naval Postgraduate School discovered Coriolis effect influences even small ocean disturbances with high Rossby numbers, challenging fundamental fluid dynamics theories. The study found that planetary rotation determines the evolution of eddies in wakes as small as 10 meters.
Fading Post-Tropical Cyclone Florence reveals strongest thunderstorms in the Mid-Atlantic and New England regions. Cloud top temperatures as cold as minus 63 degrees Fahrenheit are associated with heavy rainfall.
The Suomi NPP satellite provided a visible image of Hurricane Helene's eye on September 10, measuring approximately 20 nautical miles in width. The storm showed signs of strengthening with strong thunderstorms and cold cloud tops before expected weakening on September 12.
NASA's Aqua satellite detected an extra-tropical cyclone, Cimaron, crossing central Japan and weakening. The storm showed cloud tops warming as it lost strength, with temperatures reaching -50°F (-45.5°C) in two areas.
Tropical Storm Ernesto has brought light to moderate rainfall to the eastern Atlantic, with the Global Precipitation Measurement mission (GPM) detecting rainfall rates of up to 1.2 inches per hour. The storm is expected to become post-tropical and move across Ireland and the UK on Saturday night.
Tropical Depression Leepi was nearing landfall in southern South Korea when NASA-NOAA's Suomi NPP satellite captured its shapeless form. The depression is moving toward the north-northwest with maximum sustained winds at 34.5 mph, expected to be absorbed into a mid-latitude cyclone by Aug. 17.
A NASA-NOAA satellite has captured images of Tropical Depression 16W transitioning into a subtropical system, characterized by strong winds and cold dry air from the northwest. The storm is moving north-northwest, with maximum sustained winds near 25 knots (28.7 mph/46.3 kph).
A six-fold decline in coral recovery rates has been identified across the Great Barrier Reef over an 18-year period. Effective local management and strong global action to limit climate change are crucial to prevent further decline.
Prapiroon's remnants bring heavy rain, dense fog, and flooding to northern Japan. The Japan Meteorological Agency continues to issue advisories and warnings for the affected areas.
NASA's Aqua satellite captured an infrared image of Post-Tropical Cyclone Emilia showing four small areas of strongest thunderstorms east of the center. The storm is weakening and dissipating due to cool waters and a stable air mass.
Researchers at the University of Oklahoma are investigating tropopause polar vortices, which limit predictability in the Arctic. The team aims to develop new models and strategies to better understand TPVs and their impact on weather events.
Subtropical Storm Alberto brought heavy rain to the southeastern US, with IMERG estimates showing up to 8 inches of rain over central Alabama. The storm's passage also led to flash flood watches for several states, causing 6 deaths in total.
The Juno mission has discovered that Jupiter's atmospheric bands extend thousands of miles into the planet's atmosphere, with winds speeds as great as 220 miles per hour. This finding challenges previous understanding of giant planets and reveals a complex structure beneath the cloud layer.
Scientists have discovered intricate storm patterns at Jupiter's poles, with eight and five storms surrounding a central cyclone in each hemisphere. This unusual arrangement challenges our understanding of atmospheric dynamics, sparking hopes for new insights into planetary weather.
A Rutgers University study found that most large storm surges in the Northeast are caused by non-hurricane extratropical cyclones. These storms include nor'easters and other low-pressure systems that generate tighter pressure gradients and longer-lasting onshore winds.
Researchers from Princeton University and NOAA found that the Arabian Sea's extreme cyclone activity increased significantly since 2014, with a 27% rise in 2015. The study validated climate model projections by showing that global warming and fossil fuel burning led to the formation of these storms.
Post-tropical Cyclone Selma dissipated near the border of El Salvador and Honduras as its maximum sustained winds decreased to near 30 mph. The cyclone's estimated minimum central pressure was 1007 millibars, with weakening continuing until it dissipates over the Sierra Madre Mountains.
Extra-Tropical Cyclone Lan was a typhoon that made landfall in southern Tokyo on October 21-22. NASA's satellite imagery revealed the storm's structure and cloud top temperatures, with eastern Hokkaido experiencing the coldest cloud tops and strongest storms.
Post-Tropical Cyclone Jose is continuing to weaken off the New England coast, with maximum sustained winds near 45 mph. The storm's slow southeastward drift will impact Bermuda and the US east coast, causing dangerous surf and rip current conditions.
Tropical Depression 15E is experiencing decreased convection near its center but remains in a better position than 24 hours ago. The system is expected to strengthen over the next 48 hours and potentially become a Tropical Storm, moving westward at a slow pace.
Before becoming a post-tropical cyclone, NASA observed Hurricane Gert's intense rainfall of over 2.94 inches per hour. The storm's eastern side was experiencing powerful bands of rain, with some areas reaching up to 7.5 miles in height.
Tropical Storm Adrian formed on May 10, but quickly lost steam, weakening to a remnant low pressure area by May 11. The storm's maximum sustained winds dropped to near 30 mph (45 kph), with some further weakening forecast over the next 48 hours.
NASA's Suomi NPP satellite captured an image of Ex-Tropical Cyclone Debbie over Queensland on March 29, 2017. The system's clouds stretched from Townsville to Brisbane along the coast, with heavy rainfall expected in central and southeastern regions.
Hurricane Nicole strengthened to a Category 4 storm with maximum sustained winds of 120 mph before landfall in Bermuda. The storm's large ocean swells were spreading northward along the U.S. East Coast and into Atlantic Canada.
Researchers at James Cook University found that complex roof shapes can lead to high forces on connections between the roof and house frame, increasing the risk of roof cladding loss. Poorly maintained houses or minor construction defects can exacerbate this issue.
Post-Tropical Storm Hermine's center shifts east-southeast of Cape Cod, MA, as it moves into open North Atlantic waters. The storm's maximum sustained winds decrease to near 50 mph with higher gusts.
Post-Tropical Cyclone Hermine continues to linger south of Long Island, New York, with strong winds affecting surf from the Mid-Atlantic to Cape Cod. The storm is moving westward at a slow pace, with a potential weakening trend in the next few days.
Tropical Storm Lester passed over the Hawaiian Islands on Sept 4-6, with NASA's Aqua satellite capturing an image of the weakening storm. The cyclone is expected to weaken further in the next 48 hours as it transitions into a post-tropical low.
NASA's Terra satellite captured an image of extra-tropical cyclone Conson on Aug. 15, 2016, showing clouds covering Japan's Hokkaido and stretching over the Sea of Okhotsk and Russia's Kamchatka Peninsula. The Joint Typhoon Warning Center issued the final warning of Conson on Aug. 14.
Tropical Storm Georgette's remnants were captured by NOAA's GOES-West satellite, showing a swirl of clouds mostly north and west of the center. The post-tropical cyclone was moving toward the west-northwest at 9 mph, with maximum sustained winds decreasing to near 35 mph.
NASA's Terra satellite captured visible light images of Tropical Storm Agatha, which formed on July 1 as a tropical depression and strengthened into a storm with maximum sustained winds near 45 mph. The storm weakened over the July 4th weekend and became a remnant low-pressure area by July 6.
Post-Tropical Cyclone Colin is moving northeast at 40 mph, expected to weaken on Wednesday. The remnants of the storm are speeding off towards history, with a surface trough extending from Cuba to Bermuda.
Tropical Storm Pali continues to thrive in the Central Pacific Ocean, with maximum sustained winds near 60 mph. It is expected to maintain tropical storm strength until Saturday, Jan. 16, moving toward the Equator.
Tropical Storm Sandra formed on Nov. 24 and strengthened into a late-season hurricane, with cloud top temperatures indicating powerful thunderstorms. The storm is forecast to turn northward and make landfall along Mexico's west coast by Friday, Nov. 27 or early Saturday
Researchers developed a computerized tool to guide stakeholders in recovering large-scale infrastructure systems after disasters. The tool, based on network science, identifies the order in which stations need to be restored, considering factors like centrality measures and station importance.
Cyclone Chapala brought heavy rains and flooding to Yemen, with IMERG rainfall estimates showing totals of 5-15 inches in south central Yemen and coastal areas. The storm caused significant damage and loss of life, with at least 3 deaths and 200 injured reported.
Tropical Depression Marty's winds had diminished to near 30 mph with higher gusts, leaving the southwestern coast of Mexico. The storm then degenerated into a remnant low pressure area, forecast to dissipate in a day or so.
NASA's RapidScat instrument tracked the waning winds of Tropical Storm Ida on September 25, 2015, pinpointing the strongest sustained winds in the southeastern quadrant. The storm eventually became a remnant low-pressure area, moving westward at 5 mph before dissipating.
Tropical Storm Ida was observed by NASA's Terra satellite as it meandered in the Central Atlantic Ocean due to wind shear. The storm's movement is expected to change after a couple of days, with wind shear decreasing and Ida moving slowly to the north-northwest.
Tropical Storm Henri has a lopsided structure, with almost all clouds and showers concentrated on the northeastern side of the storm. The southeasterly wind shear and dry air around the system inhibit thunderstorm development in other areas.
Tropical Storm Kevin's center is located near the southern tip of Baja California, Mexico, with maximum sustained winds of 60 mph. The storm is expected to weaken due to decreasing sea surface temperatures and increasing vertical wind shear, leading to a depression by September 6.
Tropical Storm Kevin strengthened due to rapidly increasing surface winds observed by NASA's RapidScat, now at maximum sustained speeds of near 40 mph. Forecasters expect minimal change in strength over the next day or so.
NASA's GOES-West satellite captured the final stages of Tropical Depression 11E as it weakened and degenerated into a remnant low pressure area. The post-tropical cyclone's maximum sustained winds were near 30 mph.
Researchers found that recent years have seen three of the stormiest seasons on record, with the summer of 2012 being the 'stormiest' since at least 1871. A 142-year climate data study confirms a strong relationship between seasonal precipitation totals and cyclone frequency in the region.
Researchers at MIT propose that Saturn's polar cyclones are caused by small thunderstorms building up angular momentum, leading to the formation of large and long-lasting vortices. The team developed a model that predicts which planets would form such cyclones based on two parameters: atmospheric energy and storm size.
Super Typhoon Noul made landfall in Santa Ana, Cagayan, with over 2,500 residents evacuated due to high winds and power outages. The storm is expected to weaken as it moves towards southern Japan and Taiwan.
The Global Precipitation Measurement (GPM) satellite provided data on rain rates throughout Cyclone Pam, revealing a well-defined inner eyewall with intense precipitation features. The cyclone's maximum sustained winds were estimated at 135 knots (~155 mph), indicating a near category 4 storm.
A rare subtropical storm, 90Q, has formed off the southeastern coast of Brazil. The system features fragmented banding and is moving south-southeast at 5 knots.
NASA's Aqua satellite captured images of Typhoon Hudhud's remnants over India, Nepal, and China on Oct. 14, confirming the cyclone made landfall near Visakhapatnam on Oct. 12. The storm caused significant damage and fatalities in eastern India.
Cyclone Hudhud is forecast to peak near 115 knots before quickly weakening, dissipating over land on Monday. The storm has strengthened in the last day, indicated by cloud top temperatures dropping and stronger thunderstorms developing.
Tropical Storm Fay is nearing hurricane strength near Bermuda, but a cold front over the eastern U.S. is expected to absorb the storm over the next day or two. The National Hurricane Center forecasts a turn toward the east-northeast and faster forward movement for the storm.
Typhoon Phanfone had a small, pinhole-sized open eye surrounded by a thick band of thunderstorms. The storm was expected to weaken and transition to an extra-tropical cyclone on October 4.
Tropical Storm Rachel is strengthening with colder cloud tops and increased thunderstorm heights, indicating reduced wind shear, NASA's Aqua satellite reveals. The storm is expected to go through a short period of strengthening before weakening again, primarily driven by changes in wind patterns.
Tropical Depression Polo weakened significantly, with maximum sustained winds decreasing to near 35 mph, and is expected to dissipate by September 26. Swells generated by the storm will subside late on September 22, affecting the southern Baja California peninsula.
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 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.