Articles tagged with Water Vapor
Researchers at the University of Tsukuba have developed a new crystalline material that reversibly changes color from yellow to red when absorbing water, indicating the presence of water. This work could lead to the creation of highly sensitive vapochromic sensors that can detect gases or water vapor without external power.
NASA's Terra satellite observed the remnants of Tropical Depression 10E, providing water vapor content data that sheds light on the storm's potential to develop. The analysis revealed a small area of coldest cloud top temperature, indicating the storm's strength and temperature.
Tropical Storm Isaias is expected to bring heavy rain and flash flooding to the US East Coast, with NASA tracking its movement and intensity using visible and water vapor imagery. The storm's center was located near latitude 30.2 degrees north and longitude 80.1 degrees west, with estimated minimum central pressure of 994 millibars.
NASA analyzed data from its Aqua satellite, revealing high concentrations of water vapor and cold cloud top temperatures that indicate the storm's capability to produce heavy rainfall. The National Hurricane Center forecasts significant rainfall in the Dominican Republic, northern Haiti, and the Bahamas.
Tropical Storm Gonzalo is expected to produce heavy rainfall, leading to life-threatening flash floods in Barbados and the Windward Islands. NASA's Aqua satellite gathered water vapor data on July 24, showing coldest cloud top temperatures as cold as minus 70 degrees Fahrenheit.
Tropical Depression 06E has opened up into a trough with minimal concentrations of water vapor detected by NASA's Aqua satellite. The system is dissipating due to the loss of closed circulation and interaction with cooler waters.
NASA's Aqua satellite gathered water vapor data on Tropical Storm Cristina, revealing highest concentrations of water vapor and coldest cloud top temperatures around the center of circulation. The analysis indicates that storms with such conditions have the potential to produce heavy rainfall.
Scientists find electricity generated by interactions between water molecules and metals can be harnessed to create a new source of energy. The study reveals that high humidity levels above 60% can produce voltages up to one volt, offering potential for developing batteries charged from water vapor in the air.
The NASA Aqua satellite revealed a unique feature of Cyclone Amphan: high concentrations of water vapor surrounding the storm's eye. This characteristic can lead to intense rainfall and stronger storms. The satellite data showed coldest cloud top temperatures as low as minus 70 degrees Fahrenheit.
A study by UC Davis found that cold air rises in the tropics due to water vapor's lightness, forming clouds and thunderstorms. This buoyancy effect helps regulate tropical climates and reduces climate warming.
NASA's Aqua satellite gathered data on Tropical Cyclone Herold, showing wind shear weakened the storm and pushed strongest storms away from its center. The study found coldest cloud top temperatures, indicating potential for heavy rainfall.
Tropical Cyclone Cristina was analyzed by NASA's Aqua satellite, revealing high concentrations of water vapor and cold cloud top temperatures around the center. These conditions suggest a powerful storm with the capability to produce heavy rainfall.
Tropical Cyclone Tino's intense water vapor content and low cloud top temperatures indicate a high risk of heavy rainfall and strong winds. NASA's Aqua satellite imagery provides critical data for meteorologists to track the storm's movement and potential impact on Fiji and surrounding islands.
Tropical Cyclone Phanfone, also known as Ursula in the Philippines, exhibited high water vapor concentrations and cold cloud top temperatures around its center. These conditions indicate a strong storm with the potential to produce heavy rainfall.
NASA used its Aqua satellite to gather water vapor data on Tropical Cyclone Belna, finding highest concentrations of water vapor and coldest cloud top temperatures. This analysis helps forecasters understand the storm's potential for heavy rainfall and track its movement towards Madagascar.
NASA's Aqua satellite detected highest water vapor concentrations and coldest cloud top temperatures north and west of Kalmaegi's center. This analysis provides critical data on the storm's development potential and intensity.
Researchers found that satellite data sets are reliable substitutes for reproducing water vapor features over the Tibetan Plateau, while reanalysis data sets have varying quality depending on time scales considered. A skill-weighted ensemble mean of reanalysis data shows promise for future studies.
The MODIS instrument gathered high concentrations of water vapor and coldest cloud top temperatures around -70 degrees Fahrenheit in tropical cyclones. This data helps forecasters understand the storm's intensity and potential to produce heavy rainfall.
A new study reveals that the Madden-Julian Oscillation (MJO) significantly impacts daily rainfall patterns in Sumatra. The MJO brings cloudy, rain periods and sunny, drier periods, with greater potential for significant rain events when active near the Maritime Continent.
Research findings suggest a narrow depth range of six to 10 kilometers for magma chambers to erupt repeatedly, due to water vapor bubbling and crust expansion. This 'sweet spot' is found between pressures of 1.5 and 2.5 kilobars, allowing the chamber to grow without erupting.
Researchers at Princeton University have developed a new wood-based membrane for water filtration that outperforms existing polymers and offers a more sustainable alternative. The membrane's high porosity enables efficient water vapor transport and reduces heat loss, making it ideal for distilling fresh water from salty sources.
NASA analyzed water vapor content and temperature information from Hurricane Erick using MODIS instrument on July 30. The analysis found highest concentrations of water vapor and coldest cloud top temperatures around the storm's eye, indicating potential for heavy rainfall.
Researchers developed a laser-based airborne lidar system that measures atmospheric gases with high accuracy and resolution, helping scientists better understand their impact on the climate. The new system can provide detailed gas profiles, overcoming limitations of existing methods and enabling more accurate climate predictions.
Researchers have developed diode-based lidar instruments that can measure atmospheric water vapor, aerosols and temperature, filling gaps in US meteorological data. The instruments are operational and have provided accurate measurements with minimal error, paving the way for improved weather forecasting and climate modeling.
Numerical modeling explains the escape of hydrogen atoms from Martian atmosphere into outer space due to water photodissociation. Seasonal winds and dust storms affect water circulation, but not in an obvious way.
Researchers from ETH Zürich and the University of Utah discovered that water vapor condenses in small particle pores to nucleate ice crystals. This process called Pore Condensation and Freezing is a key factor in understanding cold cloud formation and its impact on climate.
The MODIS instrument aboard NASA's Terra satellite analyzed water vapor within Hurricane Oscar, providing valuable insights into the storm's potential for development and heaviest rainfall. The analysis revealed coldest cloud top temperatures as cold as -70 degrees Fahrenheit, indicating a high risk of heavy rainfall.
Tropical Storm Tara's water vapor concentrations were analyzed by NASA's Aqua satellite on Oct. 16, indicating a high risk of heavy rainfall and life-threatening flash flooding along the Mexican coast. The storm's slow motion and cold cloud top temperatures suggest a strong potential for severe weather.
NASA's Aqua satellite gathered water vapor content and temperature information from Tropical Storm Leslie, revealing highest concentrations of water vapor and coldest cloud top temperatures. The analysis indicates the storm has the potential to produce heavy rainfall, with maximum sustained winds near 65 mph.
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.
Researchers from MIT's EAPS department found a linear relationship between the Earth's surface temperature and its outgoing heat, which may break down at higher temperatures. The study suggests that water vapor feedback is responsible for this relationship, and it could help climate scientists model the effects of climate change.
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.
A modeling study demonstrated that latent heating can amplify moisture-driven increases in extreme precipitation by up to a factor of two. The analysis focused on a 2015 extreme precipitation event in Texas.
Researchers found that air temperature feedback, a process linking atmosphere and surface, amplifies surface warming in response to external forcing. This feedback kernel measures the ability of temperature feedback to amplify surface warming.
NASA's Terra satellite detected three areas of strong water vapor concentrations in Tropical Depression 25W, indicating potential for heavy rainfall and intensification.
Hydroxyl-terminated diamond surfaces created via water vapor annealing maintain atomically flat surfaces and remove two-dimensional hole gas layers, enabling high-temperature operation.
Typhoon Cimaron made landfall in southeastern Japan, with NASA's Terra satellite detecting asymmetric circulation and deep convection. The storm had maximum sustained winds of near 86 mph, with higher gusts.
Typhoon Soulik's highest concentrations of water vapor were found north of the eye, indicating strongest storms. The storm is moving northwest towards South Korea's southeastern coast.
Typhoon Soulik's large eye was observed on NASA's Terra satellite imagery with cloud top temperatures as cold as minus 70 degrees Fahrenheit. The storm had maximum sustained winds near 115 mph and will maintain current strength for two days before weakening over the Korean peninsula.
Typhoon Soulik has the capability to produce heavy rainfall due to extremely low cloud top temperatures. The Joint Typhoon Warning Center noted on Aug. 17 that Soulik was centered near 23.7 degrees north latitude and had maximum sustained winds near 92 mph.
Sub-Tropical Storm Ernesto's rainfall and cloud heights were analyzed using NASA satellites, revealing a patchy pattern. The storm is expected to strengthen before weakening due to environmental factors, ultimately merging with a frontal zone near Ireland and the UK.
A University of Arizona study resolves controversy over rain's relationship to soil moisture, revealing morning soil moisture can impact afternoon rainfall in the region. Drier soils enhance rain on days with limited wind-borne moisture, while wetter soils increase rain when winds bring more moisture.
Tropical Storm Chris was imaged by NASA's Aqua satellite on July 10, showing a backwards 'C' or comma-shaped storm with cold cloud tops. The system has potential for heavy rainfall and is forecast to strengthen into a hurricane later today.
Researchers found that increased greenhouse gas emissions have led to a significant increase in noctilucent cloud formation and visibility. The study suggests that human-caused climate change is affecting the middle atmosphere and making these clouds more visible.
Scientists create new diamond etching process using solid-solution reaction of carbon into nickel at high temperature, enabling continuous diamond etching at a high rate. This technology avoids plasma damage and allows for selective etching of diamond in direct contact with nickel.
Scientists from Carnegie Institution for Science have observed evidence of the long-theorized, difficult-to-see low-density liquid phase of water. The team used a rapid-decompression technique to create this phase, which only lasted for half a second at extremely cold temperatures.
Researchers at OIST Graduate University develop a method to image organic compounds in water vapor, avoiding the need for freezing or using thin windows. This approach enables ultrahigh resolution imaging and tilts samples for three-dimensional views.
Scientists are planning to build an ambitious submillimeter-wave instrument to study the composition of geysers on Saturn's moon Enceladus. The instrument, SELFI, will measure traces of chemicals in the plumes, potentially revealing clues about the presence of extraterrestrial life and the ocean's chemistry.
Researchers used a new model to simulate atmospheric conditions in three dimensions, revealing a key role for stellar radiation in creating moist greenhouse states on exoplanets. This process could make planets closer to their stars habitable despite intense radiation and tidal forces.
The James Webb Space Telescope will study the 'ocean worlds' of Europa and Enceladus, adding to previous observations by Galileo and Cassini orbiters. The telescope's high-resolution imagery and spectroscopic analysis will help unravel the mysteries of these moons' subsurface oceans and potential biosignatures.
Researchers at UC Berkeley and MIT have developed a solar-powered harvester that can collect water from the air even in extremely dry conditions. The device uses a metal-organic framework to absorb water vapor, which is then condensed and collected using sunlight as power.
Dome A's extreme dryness allows for terahertz observations, previously hindered by Earth's atmosphere. Researchers can now gain new insights into star and galaxy formation.
Astronomers using NASA's Hubble Space Telescope have imaged what may be water vapor plumes erupting off the surface of Jupiter's moon Europa. The observation increases the possibility that missions to Europa may be able to sample its ocean without having to drill through miles of ice.
University of Groningen scientists discovered that removing air from perovskite crystals can deactivate 'traps' that reduce solar cell efficiency, allowing for more efficient solar cells. Researchers also found that oxygen and water vapor can be used to create new gas sensors for detecting seal breaks in food packaging.
Researchers from GEOMAR found a direct relationship between decadal variations in Pacific Ocean temperatures and the tropical tropopause, which regulates water vapor content. This discovery contradicts earlier hypotheses that human influences dominate climate variability.
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.
Scientists develop new surface architecture combining lotus leaves' unique features to enhance liquid mobility on rough surfaces. The Wenzel state is shown to be highly mobile for the first time experimentally.
Researchers discover that surfaces with valleys less than one micron wide can deflect water, keeping them dry for up to four months. This discovery could revolutionize industries such as shipping and pipe coatings by reducing drag and saving billions of dollars.
Theoretical work suggests water vapor could have existed in pockets of space a billion years after the Big Bang, with temperatures around 80 degrees Fahrenheit allowing for its formation. The team found equilibrium levels similar to those seen in our local universe.
Researchers have found combustion water in Salt Lake City's winter inversions, with cars and home heating being the largest sources. The study provides a new method for measuring greenhouse gas emissions and studying urban weather.