Articles tagged with Clouds
Cloud top temperatures are a crucial factor in determining the strength of hurricanes. NASA's Aqua satellite revealed extremely cold cloud tops around Hurricane Walaka, indicating potential for heavy rainfall. The storm is currently a Category 4 hurricane with maximum sustained winds near 155 mph.
Tropical Storm Sergio is expected to strengthen into a hurricane within the next 48 hours, according to NASA's Aqua satellite data. The storm's coldest cloud top temperatures have reached -70 degrees Fahrenheit, capable of generating heavy rainfall.
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.
Tropical Storm Sergio is expected to strengthen into a hurricane by Wednesday, Oct. 3, according to the National Hurricane Center. NASA's Aqua satellite imagery reveals powerful storms with coldest cloud top temperatures near minus 70 degrees Fahrenheit.
Hurricane Rosa is weakening as it approaches the US southwest, with its clouds and rains stretching into Arizona. Infrared data shows that rainfall potential is high, and the storm's cloud tops are as cold as -63 degrees Fahrenheit.
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.
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'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.
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.
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 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.
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.
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.
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.
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.
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.
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.
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.
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.
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-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'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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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 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.
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 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'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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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'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.
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.
Cold cloud top temperatures near minus 70 degrees Fahrenheit indicate heavy rainfall potential for Hurricane Olivia.
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 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.
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'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.
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.
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.
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.