Tropical Depression 1E dissipates
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.
Hurricanes
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NASA sees slow-moving Tropical Depression 1E over Southern Mexico
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.
NASA sees Colin come calling on the US Southeast
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.
Researchers take prints of storms on the ocean floor
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 sees a redeveloped Tropical Depression Bonnie over North Carolina
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 looks at winds in developing tropical cyclone
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 sees potential Atlantic tropical cyclone
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.
NASA scientists explain the art of creating digital hurricanes
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.
Early use of 'hurricane hunter' data improves hurricane intensity predictions
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.
NASA sees changes in Tropical Cyclone Fantala
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.
NASA sees Fantala's eye wide open north of Madagascar
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.
NASA eyes major Tropical Cyclone Fantala as it triggers warnings for Mauritius
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.
GOES-R satellite could provide better data for hurricane prediction
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.
Why Hurricane Irene fizzled as it neared New Jersey in 2011
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.
Shipwrecks, tree rings reveal Caribbean hurricanes in buccaneer era
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.
NASA sees category 5 southern Pacific Tropical cyclone hit Fiji
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.
NASA sees major Tropical Cyclone Winston approaching Fiji
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.
NASA sees Tropical Cyclone Winston U-turn toward Fiji
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.
NASA catches Tropical Cyclone Uriah nearing peak
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.
NASA sees Corentin reach hurricane strength
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.
NASA sees cloud top temperatures warming in Cyclone Victor
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.
Warmer oceans could produce more powerful superstorms
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.
NASA sees wide-eyed Tropical Cyclone Victor
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
Extra-Tropical Alex speeding through north Atlantic
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.
NASA provides in-depth analysis of unusual Tropical Storm Alex
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.
Former Hurricane Pali peters out near Equator
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.
NASA sees formation of unusual North Atlantic Hurricane Alex
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 analyzes winds and rainfall in unusual Atlantic system 90L
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.
NASA analyzes Hurricane Pali's rainfall rates
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.
NASA's Terra satellite spots record-breaking Hurricane Pali
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's winds, rainfall seen by NASA's GPM and RapidScat
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.
NASA sees Tropical Cyclone Ula's eye closing
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.
NASA eyeing an interesting weather system in northern Atlantic
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.
NASA investigates Tropical Storm Pali's temperatures, winds
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 analyzes Tropical Storm Ula's winds
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.
NASA sees out-of-season Central Pacific tropical depression form
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.
Tropical Storm Ula weakens, moves south
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.
Late-season Central Pacific tropical depression forms
Tropical Depression 9C formed in the Central Pacific on Dec. 31, with an elongated structure suggesting a weaker system. The depression is moving northwest at 3 mph, with little change in intensity expected due to strong easterly wind shear.
Normal weather drives salt marsh erosion
Researchers found that waves driven by moderate storms cause the most loss in salt marshes, not severe events like hurricanes. This knowledge brings new tools for managing and restoring wetlands, enabling predictions of erosion based on wind and wave climates.
NASA IMERG data Hurricane Sandra's heavy rainfall
Hurricane Sandra's rainfall was extensively studied using NASA's Integrated Multi-satellitE Retrievals for GPM (IMERG) data. The analysis showed that the hurricane produced over 700 mm of rainfall in an area northeast of Puerto Vallarta, Mexico.
NASA sees Tropical Cyclone Tuni becomes extra-tropical
Tropical Cyclone Tuni lost its tropical characteristics and became extra-tropical as it moved southeast in the Southern Pacific Ocean. The storm's maximum sustained winds decreased from 60.4 mph to 40 mph, with heavy rain falling at a rate of over 1.4 inches per hour.
Latest major Eastern Pacific hurricane on record headed for landfall in Western Mexico
Hurricane Sandra, the latest major hurricane on record in the Eastern Pacific, is forecast to make landfall in Western Mexico. It is expected to produce total rainfall accumulations of 1-3 inches over Baja California Sur, with isolated amounts reaching up to 10 inches.
Satellite video shows Hurricane Sandra moving north along Mexico's west coast
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
NASA's GPM gets a look at newborn, late season Eastern Pacific Tropical Storm Sandra
Tropical Storm Sandra strengthened to 35 knots with intense convective storms dropping rain at over 80 mm per hour. It is forecast to strengthen into a hurricane by Nov. 25, with a well-suited environment for intensification due to warm ocean water and light vertical wind shear.
NASA's Aqua satellite eyes Tropical Storm Rick in Eastern Pacific
Tropical Storm Rick is being closely monitored by NASA's Aqua satellite as it moves west-northwest towards the eastern Pacific. The storm has maintained a minimal strength of around 35 knots with surface winds confined to a small area.
Tropical Storm Rick joins an elite late-season storm group
Tropical Storm Rick strengthened into a tropical storm on Nov. 19, becoming the 21st of the Eastern Pacific Ocean season. The storm joined an elite group of late-season storms, with only three tropical storms forming later than this date since reliable records began in the early 1970s.
Twenty-first depression forms in eastern Pacific Ocean
Tropical Depression 21E formed southwest of Mexico's western coast on November 18. The storm is expected to strengthen and become a tropical storm by Thursday, with a turn towards the northwest.
Former Tropical Cyclone Kate examined by GPM, RapidScat and GOES-East
NASA's GPM, RapidScat, and NOAA's GOES-East satellites observed former tropical cyclone Kate in the Northern Atlantic. The system exhibited intense storms with heavy rainfall and strong winds, peaking at category one hurricane strength on November 11, 2015.
NASA spies Extra-Tropical Storm Kate racing through North Atlantic
Extra-Tropical Storm Kate rapidly intensified off the US East Coast, producing hurricane-force winds before transitioning to an extratropical cyclone. As it moves northeast, Kate's winds are expected to weaken over the next few days, eventually being absorbed by another low-pressure system.
NASA spots Kate speeding away from the Bahamas
Tropical Storm Kate is moving northeastward at 21 mph with maximum sustained winds near 70 mph, forecast to become a hurricane by night. The storm's center was located near latitude 30.2 North, longitude 74.7 West, 350 miles south of Cape Hatteras and 600 miles west of Bermuda.
NASA sees Tropical Storm Kate form, Bahamas under warning
Tropical Storm Kate forms in Atlantic Ocean near Bahamas, with NASA tracking its development and movement. The storm is expected to strengthen over the next two days, bringing potential heavy rain to the region.
NASA sees Cyclone Chapala approaching landfall in Yemen
Cyclone Chapala is approaching landfall in central Yemen, with the GPM satellite analyzing heavy rain and wind speeds of up to 120mph. The storm is expected to weaken rapidly after landfall, dissipating by November 4.
NASA-NOAA's Suomi NPP satellite sees Tropical Cyclone Chapala developing an eye
Tropical Cyclone Chapala strengthened into a hurricane on October 29 after developing an eye feature, with maximum sustained winds reaching 65 knots (75 mph). The storm is expected to intensify and make landfall in northeast Yemen on November 2 as it passes Socotra island.
Weakening post-Tropical Storm Olaf examined by NASA's GPM satellite
The Global Precipitation Measurement mission tracked rainfall within Storm Olaf, revealing high storm tops and sparse rain on the western side. The post-tropical cyclone weakened over cooler waters, eventually dissipating by October 28, 2015.
NASA tracks Hurricane Patricia's remnants through Gulf states
NASA's RapidScat instrument gathered wind speed and direction data on the storm's remnants over the western Gulf of Mexico. The data showed strongest sustained winds near 80.5 mph/129.6 kph north and west of the center, contributing to heavy rainfall and flash flooding in Texas and other Gulf Coast states.
NASA sees Tropical Storm Olaf moving back to 'birthplace'
Tropical Storm Olaf is returning to its birthplace in the Eastern Pacific Ocean after leaving the Central Pacific. The storm, which formed on October 14, has been weakening and is expected to continue moving eastward.
NASA-NOAA's Suomi NPP satellite sees record-breaking Hurricane Patricia
Hurricane Patricia broke records as the strongest eastern North Pacific hurricane on record, with a minimum central pressure of 880 millibars and maximum sustained winds near 200 mph. The storm is expected to produce catastrophic impacts in southwestern Mexico, including life-threatening flash floods and mudslides.
NASA sees Hurricane Olaf still a major hurricane
Hurricane Olaf remains a major hurricane with sustained winds near 115 mph, moving northward towards the Hawaiian Islands. Swells generated by the storm will produce life-threatening surf along east-facing shores.
NASA analyzes record-breaking Hurricane Patricia
Hurricane Patricia intensified rapidly off Mexico's southwestern coast, breaking records for the strongest Eastern North Pacific hurricane. NASA satellites and instruments tracked its rapid intensification, revealing frigid cloud top temperatures that enabled heavy rainfall.
NASA's RapidScat looks at Hurricane Olaf's winds
RapidScat measured sustained winds of over 80 mph near the center of Hurricane Olaf, with tropical storm force winds extending up to 155 miles from the center. The hurricane is forecast to move slowly northward, bringing life-threatening surf to Hawaiian Islands