Research on hurricanes and tropical storms. Covers AI storm tracking, wind-damage assessment, warning systems, and Hurricane Hunter data.
Tropical Storm Estelle is strengthening in the Eastern Pacific Ocean with NASA satellite imagery showing a developing eye surrounded by powerful thunderstorms. The storm's cloud tops are near minus 80 Celsius, indicating strong convection and potential hurricane formation.
A satellite image captured by GOES-West showed an open circulation with clouds to the northeast of the remnant low center. The surface low, ex-Tropical Cyclone Celia, was centered about 300 miles northeast of Honolulu on July 18 and moving west at 10 mph.
Hurricane Darby's eye features powerful thunderstorms and a ragged 25 nautical mile-wide center. The storm is expected to weaken due to cooler sea surface temperatures.
Tropical Storm Celia has weakened to near 45 mph winds as it moves into the central Pacific Ocean. The storm is expected to gradually spin down and become a post-tropical cyclone by tonight due to cooler sea surface temperatures and stable air masses.
The sixth tropical depression of the Eastern Pacific Ocean formed on July 15 and was captured by NOAA's GOES-West satellite. The system has acquired a well-defined circulation and convective banding, classifying it as a tropical cyclone.
NASA's RapidScat instrument measured strong winds in Hurricane Darby reaching 67 mph near its center, with tropical-storm-force winds extending up to 150 miles from the center.
Tropical Storm Celia weakened in the Eastern Pacific Ocean with NASA data showing strongest winds and storms shifted north of the center. The Global Precipitation Measurement satellite found rain falling at over 164 mm per hour within a feeder band, indicating significant convective activity.
NASA's RapidScat instrument measured surface wind speeds exceeding 30 meters per second, while the GPM core satellite detected rainfall rates of up to 33 mm/h near Hurricane Celia's eye wall. The storm weakened to a tropical storm on July 13, with forecasted weakening continuing over the next 48 hours.
Tropical Storm Darby strengthened rapidly, with maximum sustained winds reaching 70 mph and gusts exceeding 110 kph. NASA used satellite imagery to estimate the storm's minimum central pressure at 998 millibars.
Tropical Depression 4 formed in the Eastern Pacific, strengthening into a tropical storm with maximum sustained winds near 40 mph. The storm is expected to track over cold water kicked up from Hurricanes Blas and Celia, affecting its strength.
Hurricane Celia is currently in the Eastern Pacific Ocean but will issue warnings once it passes west of 140 degrees west longitude. NASA satellites capture images showing a cloud-filled eye and powerful thunderstorms wrapping around the low-level center.
Hurricane Celia has strengthened to a Category 1 hurricane with maximum sustained winds near 90 mph. The storm is expected to move towards the west-northwest with decreasing speed, potentially weakening by Tuesday.
The Suomi NPP satellite captured a visible image showing Hurricane Blas' eye filled with high clouds, while infrared imagery revealed a pinhole eye. The storm was weakening rapidly, with maximum sustained winds decreasing to near 105 mph.
Tropical Depression 4E intensified into Tropical Storm Celia, with a better-organized cloud pattern and increased winds. The storm is expected to pass near an area of cooler sea surface temperatures, slowing its intensification before potentially strengthening into a hurricane by Sunday.
Hurricane Blas continues to hold a Category 3 status with a large eye and powerful thunderstorms. The storm is expected to weaken over the next two days, potentially becoming a tropical storm by Friday night.
Tropical Depression 4E formed in the Eastern Pacific Ocean, with maximum sustained winds near 35 mph. The depression is expected to become a tropical storm in three days and potentially reach hurricane status.
Satellites captured a developing eye in Hurricane Blas, showing a cloud-filled and wide storm system. The hurricane is moving west-northwest at 12 mph and has maximum sustained winds of near 125 mph.
The first hurricane of the Eastern Pacific season, Blas, was analyzed by NASA on July 5. Powerful thunderstorms with very cold cloud top temperatures were detected in infrared light. The storm's surface winds were also monitored using the RapidScat instrument, which showed strong winds east of the center.
A new study published by researchers at the University of Delaware's Disaster Research Center aims to sharpen planners' insight on how many people may leave a given area during a hurricane. The study found that demographic data, such as race and socioeconomic status, influence evacuation decisions, with white respondents having a highe...
Tropical Storm Danielle formed on June 20 and dissipated over eastern Mexico by June 21. NASA analyzed its rainfall rates and cloud top temperatures using the GPM mission core satellite and Aqua satellite.
NASA and NOAA satellites detected Tropical Depression 4 developing into Tropical Storm Danielle off the Mexican coast. The storm strengthened into a tropical cyclone on June 20, bringing heavy rain to eastern Mexico.
A collection of studies investigated the effects of Hurricane Sandy on public health, highlighting factors contributing to community resilience and healthcare system impacts. Research also explored the effect on at-risk individuals, with funding allocated through the US Department of Health and Human Services.
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.
The remnants of Tropical Depression 1E dissipated over the southwestern coast of Mexico. The system's winds decreased from 25 mph to lower gusts, with minimum central pressure at 1008 millibars.
Tropical Storm Colin made landfall in northwestern Florida on June 6, 2016, before moving northeast across northern Florida into the Atlantic Ocean. Satellite images captured by NASA's Terra and Aqua satellites showed the storm's cloud spread over Florida and its eventual movement into the Atlantic.
Scientists have developed an algorithm to characterize ripples on the ocean floor, which can help understand storm behavior. The algorithm uses fingerprint analysis to measure ripple parameters, such as wavelength and orientation, allowing for more accurate predictions of erosion, storm surge, and overwash.
NASA's Aqua satellite captured images of Tropical Depression 1E over southwestern Mexico, revealing its slow movement and disorganization. The depression is expected to slow and turn northward, dissipating by June 8, 2016, with heavy rains affecting southern Mexico and western Guatemala.
Tropical Depression Bonnie has redeveloped into a tropical depression, threatening eastern North Carolina with heavy rain. The storm's movement and intensity are expected to change, with slight strengthening possible in the next 24 hours.
NASA's RapidScat instrument measured surface wind speeds near 46.9 mph/75.6 kph northeast of the system's center in System 91L. The National Hurricane Center (NHC) noted that the system has a high chance, 90 percent, of becoming a tropical depression.
NASA's GPM satellite has detected a developing low-pressure system in the Atlantic Ocean between Bermuda and the Bahamas, which could potentially become a tropical or subtropical cyclone. Increasing shower activity near the center of the system suggests it may be on track to develop into a storm.
Penn State researchers found that incorporating 'hurricane hunter' data into weather prediction models can reduce forecast errors for wind speed and sea level pressure. This improvement can lead to billions of dollars in savings and provide more notice to people in the path of a storm.
Researchers at NASA's Goddard Space Flight Center use computer models to study tropical storms and hurricanes. Improved models can lead to better predictions and warnings for natural disasters like flooding and property loss.
Tropical Cyclone Fantala continues to move north of Madagascar with significant changes in its intensity and track. The storm showed heavy rainfall and a clouded eye due to vertical wind shear, causing it to reverse course and move southeastward over its earlier track.
Tropical Cyclone Fantala is a Category 2 hurricane with a wide, clear eye and powerful thunderstorms. The storm's maximum sustained winds were near 105 knots (120.8 mph/194.5 kph) on April 20.
Tropical cyclone Fantala continues to intensify, moving westward over the South Indian Ocean. The storm's maximum sustained winds reached 100 knots on April 15, making it a Category 4 hurricane and a major threat to Mauritius.
A new study suggests that the GOES-R geostationary satellite can provide more accurate hurricane predictions by analyzing brightness temperature data. The satellite's high-resolution data allows for a more detailed understanding of hurricane intensity, including wind speed and sea level pressure.
A Rutgers-led study published in Nature Communications found a dynamic ocean process responsible for cooling coastal waters ahead of land-falling hurricanes. This process weakened Hurricane Irene as it neared New Jersey in 2011, improving forecasts and reducing losses linked to inaccuracies.
A new study reveals a 75% reduction in Caribbean hurricanes from 1645-1715, a time with little sunspot activity and cool temperatures. The research uses shipwrecks as a proxy for hurricane activity and provides an annual record of Caribbean hurricanes going back to 1500.
Tropical Cyclone Winston made landfall in eastern Fiji as a Category 5 hurricane, bringing powerful winds and heavy rainfall. The storm dropped rain at a rate of over 169 mm/hour near its center.
Tropical Cyclone Winston is intensifying near Fiji, with NASA's Suomi NPP satellite capturing images of the strengthening storm. The Joint Typhoon Warning Center forecasts Winston to make landfall on the east coast of Fiji as a major Category 4 hurricane, threatening catastrophic damage and power outages.
Tropical Cyclone Winston made a U-turn in the Southern Pacific Ocean, shifting its trajectory towards Fiji. The storm's maximum sustained winds were near 100 knots (115.1 mph/185.2 kph) at 1500 UTC on Feb. 18.
Tropical Cyclone Uriah intensifies to a Category Four hurricane with sustained winds near 115 knots, expected to reach peak intensity of 125 knots on Feb 18. Heavy rainfall and thunderstorms are observed south of the storm's center.
Corentin reached hurricane strength on January 22, 2016, with maximum sustained winds of 75 mph. The storm was centered near 20.2 degrees south latitude and 71.6 degrees east longitude, about 758 miles from Diego Garcia.
Cloud top temperatures are warming in Tropical Cyclone Victor, suggesting weakening convection and loss of uplift. Forecasters expect the storm to dissipate by January 24 as it moves southward.
Tropical Cyclone Victor's eye was almost due east of the Cook Islands on Jan. 18, and by Jan. 19, it had moved southeast, appearing more open with a wider diameter
A new study by the University of Maryland found that warmer ocean temperatures could result in storms up to 160% more destructive than Hurricane Sandy. The simulations showed that a warmer pool of warm water in the tropical Atlantic gave hurricanes more time to grow before encountering colder water or land.
Extra-Tropical Alex became a high-pressure system near Greenland in the North Atlantic Ocean on January 15, 2016. The storm's maximum sustained winds had dropped to 35 knots (40 mph/62 kph) but it was still speeding northward at 35 knots per hour.
The remnants of former Hurricane Pali have dissipated and elongated due to strong vertical wind shear, losing its closed center. It is no longer possible to definitively locate a closed center in the system.
Tropical Storm Alex formed in January 2016, becoming the earliest hurricane to do so since 1938. NASA analyzed storm data using AIRS, RapidScat, GPM, and Suomi NPP satellites, revealing strongest winds at 30 meters per second and rainfall rates decreasing significantly after declaration as a hurricane.
NASA's RapidScat instrument and Aqua satellite captured data on the storm, which formed from a low-pressure area. It became the first hurricane to form in January since 1938 and is expected to maintain hurricane status until January 16.
NASA analyzed data from GPM core observatory and Suomi NPP satellite, discovering the hurricane had an eye forming with heavy rain falling at 84.5 mm per hour on its eastern side. The storm's convective storms reached heights of over 12 km, while its strongest feeder band wrapped around its eastern side.
The National Hurricane Center has been monitoring System 90L, a low-pressure center producing winds of over 52 knots (60 mph) and heavy rainfall rates up to 94 mm/h. The system's strongest winds were observed southwest and southeast of the low pressure center.
Tropical Cyclone Ula reached category four status with winds of 115 knots, but weakened to 50 knots by Jan. 12. NASA's GPM measured heavy rain falling at over 63.5 mm/h near the storm's eye.
Hurricane Pali is a record-breaking storm that strengthened rapidly after being spotted by NASA's Terra satellite. The storm made landfall as the earliest hurricane on record in the central Pacific basin, with maximum sustained winds of 90 mph and a minimum central pressure of 979 millibars.
Tropical Cyclone Ula has weakened from a Category 4 Hurricane to a Category 2 hurricane due to unfavorable environmental conditions. The storm is expected to make its closest approach to Kingston Island and then move north of New Zealand by January 12.
A non-tropical low pressure system with potential subtropical characteristics has developed in the Northern Atlantic, producing hurricane-force winds and gale-force conditions. The system is expected to produce hazardous marine conditions over parts of the central and eastern Atlantic for several days.
Tropical Storm Pali strengthened into a tropical storm with surface winds of 30 meters per second (67.1 mph/108 kph) in the southwestern quadrant, according to NASA's data gathered by the RapidScat instrument and Terra satellite.
NASA's RapidScat instrument measured surface winds in Tropical Storm Ula, finding the strongest sustained winds near 29 meters per second/south of the center. The storm is expected to weaken due to increasing vertical wind shear and cooler waters.
A newly developed tropical depression formed five months early in the 2016 hurricane season, indicating strong uplift and potential for heavy rain. The system tapped into significant directional wind shear and prevailing conditions conducive to development, classified as a tropical cyclone.
Former hurricane Ula has weakened to a tropical storm in the South Pacific Ocean, with maximum sustained winds dropping to 55 knots. The storm is expected to continue moving west and weaken due to increasing vertical wind shear.