Articles tagged with Tropical Cyclones
Tropical cyclone 17P has weakened and is now a fading depression due to moderate to strong westerly vertical wind shear. The storm's organization and ability to produce thunderstorms are limited by the wind shear, leading to its expected dissipation in the next few days.
Cyclone Gelane has reached category 4 strength in the Southern Indian Ocean, with sustained winds near 143 mph and a compact eye. The storm is expected to move into adverse atmospheric conditions this weekend, leading to weakening and potential rough surf along nearby islands.
The TRMM satellite has observed a significant decrease in the diameter of Tropical Cyclone Gelane's eye, now measuring approximately 10 nautical miles. Heaviest rainfall is located in the southwest quadrant of the eye, with rain rates reaching up to 2 inches per hour.
The 16th South Pacific cyclone has formed and is strengthening, with maximum sustained winds near 52 mph and a projected path towards Port Louis and Reunion Island. Residents are advised to monitor local forecasts and prepare for potential impacts.
Tropical Cyclone Rene brought maximum sustained winds near 100mph, causing power outages and heavy rainfall to Nuku'alofa. The storm is now moving over cooler waters, leading to its expected dissipation in the next couple of days.
Cyclone Oli has strengthened to Category 4 strength, bringing heavy rainfall and gusty winds to the region. The Tropical Rainfall Measuring Mission satellite observed large circulation patterns and intense rainfall in distant islands like Bora Bora and Tahiti.
Tropical Storm Fami formed rapidly over the southern Indian Ocean, making landfall in Madagascar with sustained winds near 46 mph. The storm's eye feature suggests it is maintaining strength, fueled by tropical moisture from surrounding warm waters.
Tropical Storm Oli formed on February 1, 2010, near Fiji, with maximum sustained winds of 57 mph. The storm is expected to strengthen temporarily due to low wind shear, but will face increased wind shear in cooler waters after day four.
NASA and JAXA satellite data combined with ground weather station information aid in forecasting tropical cyclone tracks. Olga's center is expected to remain over land, but Australian Bureau of Meteorology forecasts its reemergence into the Gulf of Carpentaria.
The TRMM satellite provided a three-dimensional view of tropical cyclone Magda, showing its eye and powerful thunderstorms. The data revealed hurricane-force winds and intense rainfall rates over 50mm per hour.
Edzani, once a powerful cyclone, has lost its 'roundness' and become asymmetrical. The storm's convection is decreasing, indicating further weakening.
Tropical cyclone Edzani has strengthened due to low wind shear and warm ocean temperatures, with heavy thunderstorms near its center. The storm is expected to continue intensifying over the next two days before hitting cooler waters.
Cyclone Laurence dropped heavy rainfall over northwest Australia, with the heaviest totals exceeding 450 mm near Cape Bougainville. The Australian coast also experienced high rainfall totals, with areas along the coast receiving over 150 mm of rain from the cyclone.
Despite being over land, Tropical Cyclone Laurence is still bringing heavy rains and gusty winds to northern coastal areas of West Australia. The cyclone has downgraded to a tropical storm with maximum sustained winds of 40 mph.
Tropical Cyclone Laurence made landfall in northern West Australia as a Category 2 hurricane, but its winds are waning, and it is expected to weaken further. The storm's maximum sustained winds near 103 mph (90 knots) were revealed by TRMM's Precipitation Radar instrument.
Tropical Cyclone Laurence made landfall in Western Australia with sustained winds of up to 86 mph. The storm is expected to track deeper into the continent and dissipate over the next two days.
Tropical Cyclone Mick made a quick landfall over Fiji's main island of Viti Levu as a Category 2 Cyclone, bringing heavy rains and gusty winds. The storm has weakened to a tropical storm with maximum sustained winds near 63 mph.
The TRMM satellite captured rainfall data on Tropical Depression 05B, showing a large area of rainfall near the storm's center. The system has weakened into a tropical depression, with cloud heights dropping over time.
Cyclone Cleo's rainfall has significantly diminished over the last 24 hours, with its maximum sustained winds down to 40 mph. The storm is expected to dissipate in the next day or two due to wind shear and dry air.
Tropical Cyclone 05B has formed in the Northern Indian Ocean, expected to approach southeastern India and make landfall on Monday, December 14. The storm is forecast to intensify due to low wind shear, but may be impacted by a zonal jet stream.
Cyclone Cleo's maximum sustained winds dropped to 69 mph as it moved into an area with increased vertical wind shear, further weakening the storm. The tropical storm is forecast to become extra-tropical over the next several days.
Cleo intensified from a Tropical Storm to a Cyclone, strengthening overnight and developing an eye. The MODIS instrument captured an image of Cleo on December 8 at 08:15 UTC, showing sustained winds near 109 mph with higher gusts.
System 97W's low-level circulation center has become exposed, allowing outside influences like wind shear and dry air to weaken the storm from within. The system is now tracking northwards, expected to fizzle out as it encounters a cold front and high wind shear.
Tropical Storm Anja has weakened, with its maximum sustained winds dropping to 63 mph thanks to NASA's QuikScat satellite. The storm is moving south-southeast at 23 mph and is expected to dissipate by the weekend, posing no threat to landmasses.
Cyclone Anja was a powerful Category 4 cyclone on November 17, with maximum sustained winds of 86 mph. It weakened drastically due to upper-level wind shear and spread out, extending tropical storm-force winds 115 miles from its center.
NASA's Terra satellite captured an image of Tropical Cyclone Anja, strengthening into a Category Three cyclone on November 16. The storm had tropical storm-force winds extending out to 100 miles from its center, and is not threatening any landmasses.
Tropical Cyclone 4A has developed with maximum sustained winds near 37 mph, moving north at 13 mph over the Arabian Sea. High-powered thunderstorms are expected to continue intensifying as the storm moves north and makes landfall east of the India-Pakistan border.
TD97W is tracking south-southwesterly through Tabaco City, Ligao, Oas, and Naga City into the Ragay Gulf, bringing rains to Kalibo, Roxas City, and San Jose de Buenavista. The storm's convection has waned, and it is dissipating due to a lack of thunderstorm formation.
A new tropical cyclone has formed in the Philippine Sea, with NASA's Aqua satellite confirming its presence. The system is expected to impact the Philippines, prompting public storm warnings and warnings from local authorities.
Tropical Storm Mirinae is strengthening and developing an eye in the Pacific Ocean. The storm's winds near 52 mph indicate intensification, with cold cloud temperatures suggesting heavy precipitation.
A tropical depression with maximum sustained winds near 35 mph was downgraded late yesterday as cooler waters and increasing wind shear took their toll. The National Aeronautics and Space Administration (NASA) detected the disintegration of Tropical Depression Neki using its satellite imagery, revealing a surface trough in low clouds.
Tropical Storm Lupit is transitioning to an extra-tropical storm, while Tropical Storm 23W is approaching Saipan with sustained winds near 40 mph. The storms are being tracked by the US Navy's Joint Typhoon Warning Center.
Tropical Storm Patricia is expected to produce total rainfall accumulations of 1 to 3 inches across the extreme southern portion of Baja California. The storm's track brings it closer to Southern Baja California, with a closest approach between 8 p.m. PDT tonight and 8 a.m. PDT Wednesday morning.
Typhoon Melor underwent rapid intensification before reaching Category 4 intensity, but later weakened due to wind shear. TRMM captured detailed images of the storm's eyewall structure and rain distribution, shedding light on its behavior as it approached Japan.
Tropical Storm Henri is currently located east of the Northern Leeward Islands with maximum sustained winds near 45 mph. The storm is expected to move west-northwest and eventually be steered by a subtropical ridge over the Western Atlantic Ocean.
Typhoon Ketsana brought heavy rainfall to the Philippines, with record amounts falling in Manila. The TRMM satellite provided near-real time data, revealing high rainfall totals of up to 24 inches in central Luzon.
Tropical Depression 18W made landfall in Guam and dissipated, bringing gusty winds and heavy downpours. Tropical Storm Parma intensified into a typhoon after absorbing 18W's leftover energy, with sustained winds near 75 knots (86 mph).
Tropical Storm Koppu is expected to make landfall in mainland China on September 15, bringing heavy rainfall, heavy surf conditions, and gusty winds. The storm has sustained winds near 69 mph and is forecast to strengthen slightly before landfall.
NASA's Aqua satellite captured infrared and visible images of Fred's clouds stretching from northeast to southwest after declaring the storm 'dead' on September 12. The remnants of Fred are expected to produce intermittent shower and thunderstorm activity as it moves west-northwestward over the next couple of days.
Research at Georgia Institute of Technology reveals a 35% increase in large hurricane size from the Gulf Coast, leading to a doubling in tornadoes produced per storm. The model can predict tornado activity using factors like storm size, intensity, track direction, and moisture gradients.
Hilda's winds have slowed from tropical storm to tropical depression-force, with sustained winds near 34 mph, according to NASA satellite data. The storm is expected to continue tracking south of the Hawaiian Islands before dissipating on August 31.
Tropical Storm Danny's center has reformed a little farther north than initially thought, according to NASA satellite imagery and aircraft data. The storm's circulation is broad and elongated, making it challenging to pinpoint its center.
The A-Train satellite formation combines five satellites to study tropical cyclones, including Aqua and CloudSat. The data collected provide valuable insights into hurricane behavior, atmospheric composition, and climate change.
Tropical Depression 9E appears to be fizzling in the Eastern Pacific, while Tropical Storm Guillermo forms with sustained winds near 50 mph. The satellite imagery is being closely monitored for updates, with a 30-50% chance of TD9E strengthening back into a tropical depression.
NASA satellites observed Typhoon Morakot's rapid expansion from a 528-mile-wide storm to a massive 1,056-mile-diameter system. The typhoon's cold cloud tops indicate powerful thunderstorms and a significant threat to Taiwan and China.
The GOES-14 satellite has provided its first visible full disk image of Earth, showcasing little activity in the Atlantic Ocean and two tropical waves in the East Pacific. The satellite's Imager instrument is taking high-resolution images at a 1 km resolution from an altitude of 36,000 km above Earth's surface.
Two areas of thunderstorms in the Caribbean are moving into the eastern Atlantic and southeastern Bahamas, but a low chance of development exists. The National Hurricane Center reports less than 30 percent chance of tropical formation within the next 48 hours.
The Tropical Rainfall Measuring Mission (TRMM) satellite captured a unique image of both tropical storm Carlos and Dolores on July 15, 2009. The image shows the horizontal pattern of rain intensity within storms, with false-colored areas indicating rainfall between 20-40 millimeters per hour.
Scientists have discovered new ways to measure thundercloud electrostatic fields, study the link between tropical cyclones and global warming, and understand the adhesive properties of lunar dust. Researchers also explored the role of clouds in global electricity and found significant water storage and runoff patterns in the Amazon basin.
The Tropical Rainfall Measuring Mission satellite captured rainfall totals of over 900 mm in southern Luzon due to Tropical Storm Kujira and around 150 mm in northern Luzon from Typhoon Chan-hom. The TRMM-based Multi-satellite Precipitation Analysis system provides near-real-time data for monitoring global Tropics.
Tropical cyclones inject ice into the stratosphere, potentially feeding global warming. The findings suggest an intertwining of severe weather and climate change.
The NASA Hurricane Web Page offers daily storm updates, stunning video animations, educational tools, and historic storm information on all storms since 2005. Researchers gather data from various satellites to understand factors that determine why a tropical cyclone strengthens or weakens.
The NRL's P-3 aircraft and Air Force Reserve WC-130J conducted meteorological research on tropical cyclones in the Western Pacific from August to September. The project aims to increase predictability of tropical cyclones and gather data to validate satellite-based techniques for intensity estimation.
A new study led by FSU researcher James B. Elsner found that the strongest tropical cyclones are getting stronger, particularly over the North Atlantic and Indian oceans. Ocean temperatures play a role in driving this trend, consistent with the 'heat-engine' theory of cyclone intensity.
Research highlights importance of distinguishing between tropical cyclones and extra-tropical storms, with a focus on raindrop size distribution. This distinction can help weather forecasters better estimate rainfall intensity and reduce flash flooding.
A statistical model based on climate factors indicates that the estimated undercount of historic tropical storms in the Atlantic is only slightly below actual numbers. The researchers found that the average undercount bias from 1870 to 1944 was approximately one tropical storm per year.
A new study suggests that warmer sea surface temperatures and altered wind patterns are fueling the increase in Atlantic hurricane activity. The analysis indicates that climate change is a major factor in the rising number of hurricanes, with correlations closely tied to SSTs.
Scientists analyze data from the Mediterranean Sea, Atlantic Ocean, and Moon's surface to predict tropical cyclone development, assess ocean temperature and salinity changes, develop new tsunami forecasting methods, and understand lunar surface composition. These findings shed light on the impacts of climate change on extreme weather e...
NASA scientists studied thunderstorms off the African coast using satellites and airplanes to better understand hurricane formation. They discovered that dust plumes from the Saharan Air Layer can suppress hurricane development, but the exact mechanisms are unclear.
Scientists recreated Tropical Storm Gert's life cycle using computer models and data from the 2005 Tropical Cloud Systems and Processes mission. The study identified convection, wind shear, and ocean surface temperature as crucial factors in Gert's origination and strengthening.