NASA finds bulk of Tropical Storm Leslie's storms northwest of center
Tropical Storm Leslie has strongest storms northwest of its center, generating heavy rainfall. The storm is expected to strengthen and become a hurricane on October 2.
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NASA identifies wind shear tearing apart Tropical Cyclone Liua
Tropical Cyclone Liua was severely impacted by strong westerly to northwesterly vertical wind shear, causing the storm to lose its structure. The Joint Typhoon Warning Center issued the final bulletin on Liua, which was centered near 12.0 degrees south latitude and 161.1 degrees east longitude.
NASA looks at major Hurricane Rosa's water vapor concentration
Hurricane Rosa's high water vapor content and cold cloud top temperatures indicate its potential for heavy rainfall, with the eye featuring a ring of storms around a 20 nautical mile-wide area. The storm is currently a Category 4 hurricane on the Saffir-Simpson Hurricane Wind Scale.
NASA satellite analyzes new Southern Pacific Ocean tropical cyclone
NASA's Aqua satellite detected Tropical Storm Liua in the southern Pacific Ocean with two strongest storm areas west and northeast of its center. The storms had cloud top temperatures as cold as minus 80 degrees Fahrenheit, capable of generating heavy rainfall.
By Jove! Methane's effects on sunlight vary by region
Scientists discovered that methane absorption is 10 times stronger over desert regions like the Sahara Desert and Arabian Peninsula than elsewhere on Earth. Cloud cover also enhances methane radiative forcing, with increased forcing found over oceanic stratus cloud decks and the Intertropical Convergence Zone near the equator.
NASA-NOAA's Suomi NPP Satellite gets an infrared view of Typhoon Trami
Typhoon Trami was imaged by NASA-NOAA's Suomi NPP satellite on September 25, showing a wide eye and convection patterns. Cloud top temperatures near 190 Kelvin indicate potential heavy rainfall.
NASA sees Eastern Pacific's newest tropical storm organizing
Tropical Storm Rosa is organizing in the Eastern Pacific with improved convective banding features. The storm has the capability to generate heavy rainfall due to cold cloud top temperatures near -80°F.
Super Typhoon Trami's rainfall examined by NASA/JAXA's GPM satellite
The Global Precipitation Measurement mission provided an analysis of super typhoon Trami's heavy rainfall, including rates of over 120 mm per hour within intense storms. The Joint Typhoon Warning Center used GPM data to evaluate the storm's eyewall replacement cycle and predict its future movement.
NASA gets a final look at Leslie as a subtropical storm
NASA analyzed Subtropical Storm Leslie transitioning to a post-tropical storm with infrared satellite data, revealing strong storms with cold cloud top temperatures that can generate heavy rainfall. The western quadrant was suppressed by dry air, while the eastern and southeastern regions experienced stronger thunderstorms.
NASA sees areas of strength in Tropical Storm Trami
Tropical Storm Trami is expected to intensify through Saturday, bringing powerful storms with cloud tops as cold as minus 70 degrees Fahrenheit. A flash flood watch has been issued for Guam and the northern Marianas due to heavy showers and thunderstorms associated with the storm.
NASA balloon mission captures electric blue clouds
A recent NASA long-duration balloon mission captured high-resolution images of noctilucent clouds, revealing processes leading to turbulence. The mission aims to improve weather forecasting models by understanding the causes and effects of atmospheric gravity waves.
NASA sees fading Florence's stretched-out strongest storms
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.
NASA infrared imagery reveals wind shearing Tropical Depression Joyce
Tropical Depression Joyce's cloud top temperatures are as cold as minus 70 degrees Fahrenheit, generating heavy rainfall. The depression is forecast to weaken and become a remnant low over the next couple of days.
NASA sees Post-Tropical Cyclone Helene affecting Ireland, United Kingdom
Post-tropical cyclone Helene is affecting Ireland and the United Kingdom with widespread cloud cover and showers. The U.K. Meteorological Service has issued a Yellow Alert for several regions due to expected windy weather with gusts reaching 50-60 mph.
NASA finds Tropical Depression Joyce continues to lose it
Tropical Depression Joyce continues to lose its organization due to drier air moving into the depression. The National Hurricane Center forecasts it to weaken over the next 48 hours before potentially becoming a remnant low tonight or Tuesday.
More ships and more clouds mean cooling in the Arctic
A study by University of Connecticut researchers found that increased trans-Arctic shipping could lead to a minor cooling effect in the Arctic, potentially offsetting some of the overall warming trend. However, this effect is relatively minor and may be offset by international regulation and trade agreements.
NASA sees wind shear bringing post-tropical Cyclone Olivia toward dissipation
NASA-NOAA's Suomi NPP satellite detected tropical depression Olivia being affected by westerly wind shear, which was preventing thunderstorm development and causing weakening. The post-tropical cyclone is expected to dissipate over the weekend of Sept. 15 with maximum sustained winds near 35 mph.
NASA satellite analyzes powerful super Typhoon Mangkhut
NASA's Aqua satellite revealed a large eye surrounded by powerful storms in Typhoon Mangkhut, which could generate heavy rainfall due to cloud top temperatures as cold as minus 80F. The storm made landfall along the northeast coast of Luzon, Philippines on Sept. 14, with warnings already in effect.
NASA sees Hurricane Helene decoupled by wind shear
Hurricane Helene is decoupling from wind shear due to southwesterly vertical wind shear, pushing the bulk of the storm away from its rotating center. The NHC expects wind shear to increase on Sept 13, potentially weakening the storm further.
NASA sees Tropical Depression Olivia's strength waning
Tropical Depression Olivia's cloud top temperatures reached -70F (-56.6C), capable of generating heavy rainfall and life-threatening flash flooding. The depression is expected to weaken further by Friday, becoming a post-tropical remnant low.
NASA finds subtropical storm Joyce disorganized, wandering
Subtropical Storm Joyce is disorganized and wandering in the north central Atlantic Ocean, according to NASA satellite imagery. The system's patchy development of thunderstorms indicates a lack of organization, which may lead to heavy rain generation.
NASA-NOAA satellite analyzes rainmaker Hurricane Florence
Hurricane Florence is approximately 400 miles in diameter, with cloud top temperatures of -80F indicating heavy rainfall capability. The storm has the potential to produce extremely dangerous conditions, including life-threatening storm surges and rainfall exceeding 20 inches in coastal North Carolina.
NASA looks at Hurricane Helene's water vapor concentration
Scientists monitored hurricane water vapor to gauge potential for intense rainfall; analysis shows coldest cloud top temperatures reaching -70 degrees Fahrenheit. Forecasts predict storm weakening and shifting trajectory over the next few days.
NASA sees Hawaii facing Tropical Storm Olivia
Tropical Storm Olivia is causing heavy rainfall in Hawaii, with the National Weather Service predicting total accumulations of 5-10 inches in some areas. The storm's cloud tops reached temperatures as low as -63 degrees Fahrenheit, indicating strong winds and potential for life-threatening flash flooding.
NASA sees Paul become a remnant low pressure area
Former Tropical Storm Paul has weakened to a remnant low-pressure area about 1,115 miles west of Mexico's Baja California, as observed by NASA's Aqua satellite. The system is expected to gradually weaken over the next several days.
NASA sees Tropical Depression Paul's strength sapped
Tropical Depression Paul is moving westward, with maximum sustained winds near 35 mph. The depression is expected to weaken into a remnant low on Wednesday due to stable air and cooler sea surface temperatures.
NASA finds wind shear pushing on Tropical Storm Isaac's center
Tropical Storm Isaac's circulation center has shifted away from the bulk of clouds and precipitation, indicating wind shear is at play. NASA satellite data reveals a vertically stacked system of rotating winds, with wind shear pushing against the storm, weakening its rotation and balance.
NASA-NOAA's Suomi NPP Satellite stares Helene in the eye
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 satellite finds Hurricane Florence undergoing eyewall replacement
NASA's Aqua satellite observed Hurricane Florence undergoing an eyewall replacement cycle, which may lead to increased rainfall and storm intensity. The storm is expected to make landfall in North Carolina or South Carolina on Thursday, September 13, with severe weather warnings already in effect.
NASA sees Hurricane Olivia moving toward Hawaii
Hurricane Olivia is expected to bring heavy rainfall and strong winds to the Hawaiian Islands as it moves towards the state. The storm's cloud tops have temperatures near minus 70 degrees Fahrenheit, capable of generating heavy rainfall.
'Cloud computing' takes on new meaning for scientists
Researchers from the University of California, Irvine, and other institutions have developed a new method using deep machine learning to simulate cloud physics. The approach achieved stable and accurate multiyear simulations that included realistic precipitation extremes and tropical waves.
NASA sees an organized Hurricane Helene near Africa
Hurricane Helene has strengthened and become highly organized, with maximum sustained winds reaching 105 mph. It is forecast to become a major hurricane by tonight and then undergo steady weakening by late Tuesday.
NASA covers Hurricane Isaac's ragged center
NASA's Aqua satellite detected a thick ring of powerful storms around Hurricane Isaac's central dense overcast, with coldest cloud tops reaching minus 70 degrees Fahrenheit. The storm is expected to strengthen over the next day or two before weakening by the middle of the week.
NASA tracking Hurricane Olivia's track toward Hawaii
Hurricane Olivia is expected to affect Hawaii with strong winds and heavy rainfall, according to NASA. The Central Pacific Hurricane Center has issued Tropical Storm Warnings for Maui County and a Tropical Storm Watch for Oahu.
NASA finds wind shear affecting Tropical Storm Paul
Tropical Storm Paul is experiencing wind shear, displacing its strongest storms from the center. This displacement has led to a lack of well-organized convection and minimal banding features, according to the National Hurricane Center. As a result, weakening is forecast, and Paul is expected to become a remnant low in a few days.
NASA satellites show Hurricane Florence strengthening
Hurricane Florence's maximum sustained winds have increased to near 115 mph, making it a category 3 hurricane. Satellite data reveal powerful thunderstorms with cloud tops as cold as minus 63 degrees Fahrenheit, capable of generating heavy rainfall.
Hurricane Olivia's eye obvious from NASA's Aqua satellite
Hurricane Olivia's eye is clearly visible in infrared imagery from NASA's Aqua satellite, surrounded by extremely cold cloud top temperatures of minus 63 degrees Fahrenheit. The storm is moving west-northwest at 15 mph with maximum sustained winds near 125 mph and is expected to weaken slowly through the weekend.
NASA finds Hurricane Norman hammered by wind shear
Hurricane Norman is being battered by strong wind shear, causing it to weaken and move northwest of the Hawaiian Islands. The storm's maximum sustained winds are near 85 mph, with higher gusts and a large swell affecting east-facing shores.
NASA's Aqua satellite finds Florence temporarily fighting wind shear
Tropical Storm Florence is experiencing temporary wind shear, causing cloud top temperatures to warm, but forecasters predict it will restrengthen into a hurricane over the weekend. Large swells are expected to affect the US East Coast and Bermuda, resulting in life-threatening surf and rip currents.
NASA's GPM peers under the clouds of Hurricane Florence
The GPM core satellite revealed heavy rainfall rates of 50 mm/h near the eye of Hurricane Florence, with storms producing rain at a rate of 2 inches per hour. The satellite also provided estimates of storm heights using data from geostationary satellites and radar.
Category three Hurricane Norman expands its area of strength
Hurricane Norman's stronger storms have expanded beyond its center, with cloud top temperatures reaching minus 70 degrees Fahrenheit, capable of generating heavy rainfall. The storm is forecast to pass 200-300 miles northeast of the main Hawaiian Islands, bringing large and potentially dangerous surf.
Birds retreating from climate change, deforestation in Honduras cloud forests
A 10-year study found that bird diversity in Honduras cloud forests is moving higher in elevation, driven by globally rising temperatures and land protection limitations.
Satellites tracking the rainfall from Tropical Depression Gordon
Tropical Depression Gordon is expected to produce significant rainfall accumulations of 3-7 inches in northwest Mississippi and Arkansas, potentially causing local flooding. The depression is moving west-northwest at 8 mph, with little change in strength forecast over the next 48 hours.
NASA finds a weaker Hurricane Olivia
Hurricane Olivia has weakened to a Category 2 storm with decreasing maximum sustained winds of near 110 mph, indicating reduced strength. The National Hurricane Center expects continued slow weakening over the next few days.
NASA-NOAA's Suomi NPP satellite sees Florence strengthening into a major hurricane
Hurricane Florence strengthened into a major hurricane, with maximum sustained winds estimated at 120 mph (195 kph), according to NASA-NOAA's Suomi NPP satellite observations. The storm is expected to gradually weaken and then re-strengthen through the weekend.
NASA finds strong rain potential in Tropical Storm Gordon
Tropical Storm Gordon has the potential to generate heavy rainfall as it moves inland over several days, according to NASA's Aqua satellite data. The storm's cloud top temperatures indicated by the Atmospheric Infrared Sounder instrument were as cold as minus 63 degrees Fahrenheit, suggesting a high risk of heavy rainfall.
NASA finds Tropical Storm Gordon's strength east of its center
NASA's Aqua satellite found three areas of strongest storms east of Gordon's center, indicating heavy rainfall potential. The storm's cloud top temperatures were near minus 70 degrees Fahrenheit, capable of generating heavy rainfall.
NASA sees Tropical Storm Florence still feeling the shear
Tropical Storm Florence remains affected by wind shear, with its low-level center displaced southeast of the bulk of the storm. NASA satellite data shows coldest cloud tops at minus 70 degrees Fahrenheit, indicating moderate southwesterly shear.
Infrared NASA data shows Hurricane Olivia's strongest sides
Cold cloud top temperatures near minus 70 degrees Fahrenheit indicate heavy rainfall potential for Hurricane Olivia.
NASA sees landfall of Tropical Storm Jebi
Tropical Storm Jebi made landfall in southeastern Japan on September 4, with cloud top temperatures as cold as minus 63 degrees Fahrenheit. The storm is transitioning to an extra-tropical system over the Sea of Japan, expanding its wind field.
Hurricane Norman's southeast quadrant appears strongest on NASA imagery
Hurricane Norman's strongest thunderstorms are located southeast of its center, with cloud top temperatures as cold as minus 80 degrees Fahrenheit. This indicates the potential for heavy rain generation, and the storm is expected to remain powerful through next week.
NASA tracking Hurricane Miriam in Central Pacific
Hurricane Miriam is tracking north through the Central Pacific Ocean, with cloud top temperatures reaching as cold as minus 80 degrees Fahrenheit. Rapid weakening is expected to begin later today and continue through Sunday, with Miriam becoming a post-tropical remnant low pressure area.
NASA finds Super Typhoon Jebi undergoing eyewall replacement
NASA's Terra satellite found that Super Typhoon Jebi was undergoing an intense eyewall replacement cycle, with powerful storms surrounding the 15 nautical-mile wide eye. The storm's cloud top temperatures were as cold as minus 80 degrees Fahrenheit, indicating its capability to generate heavy rain.
NASA finds very cold storm tops circling Hurricane Norman's center
Researchers observed hurricane storm tops circling at very low temperatures, indicating intense energy and heavy rainfall potential. These findings provide critical insights into the dynamics of powerful storms.
NASA finds some strong storms in Atlantic's potential tropical cyclone 6
A potential sixth tropical cyclone is forming in the far eastern Atlantic Ocean, with NASA detecting strong storms and coldest cloud tops as cold as minus 70 degrees Fahrenheit. The system is expected to move near or over the southern Cabo Verde Islands on Friday, Aug. 31, posing a threat of life-threatening flash floods.
NASA sees Hurricane Miriam tracking over the open Central Pacific
Hurricane Miriam is moving northwestward across the Central Pacific, with maximum sustained winds near 80 mph. The storm is expected to intensify today and then rapidly weaken by Saturday night, remaining far away from land.
NASA examines intensifying Tropical Storm Norman
Tropical Storm Norman is rapidly intensifying, with maximum sustained winds reaching near 60 mph, and a high chance of becoming a hurricane by Thursday. The storm's infrared satellite signature indicates significant strengthening over the next couple of days.
NASA looks at fluctuating strength of Tropical Storm Lane
Tropical Storm Lane underwent significant changes in its strength after being analyzed by NASA's Aqua satellite on August 27. The storm showed powerful thunderstorms east of its center but weakened due to wind shear, only to regain tropical storm status later that day.
NASA sees formation of Eastern Pacific Tropical Depression 16E
Tropical Depression 16E formed in the Eastern Pacific Ocean, with coldest cloud tops reaching minus 70 degrees Fahrenheit. The depression is expected to strengthen into a tropical storm and potentially become a hurricane by Thursday.
NASA finds little improvement in Miriam's structure
NASA's Aqua satellite detected slight improvement in Tropical Storm Miriam's cloud pattern and convective organization on Aug. 27. The storm still exhibited wind shear effects, with coldest cloud top temperatures reaching -63 degrees Fahrenheit.