The large-scale features favoring tropical cyclogenesis and development are low vertical wind shear, below normal sea-level pressure and abnormally warm ocean temperatures. High wind shear is thought to inhibit development by preventing cumulonimbus condensation from collecting into a distinct heat source at the core of a disturbance. Also, it shears the initially delicate pattern of circulatio...

Simultaneous Geosynchronous Operational Environmental Satellite (GOES) 1 km resolution visible image pairs can provide quantitative three dimensional measurements of clouds. These data have great potential for severe storms research and as a basic parameter measurement source for other areas of meteorology (e.g. climate). These stereo cloud height measurements are not subject to the errors and ...

The historically large and severe wildfires in Australia from September 2019 to March 2020 are known have injected a smoke plume into the stratosphere around New Year, due pyro-cumulonimbus (pyro-Cb) activity, that was subsequently distributed throughout Southern Hemisphere (SH). We show with satellite, ground based remote sensing, situ observations fires before had already substantial impact o...

The effect of cytochalasin B (CB) on the surface structure of Ehrlich ascites tumor cells was investigated using the scanning electron microscope. The effect occurs in two steps: formation of zeiotic knobs on the cell surface and subsequent grouping of the knobs at one pole of the cell. The early step of zeiotic knob formation occurs at low concentrations of CB (0.5-1 microgram/ml) at 37 degree...

Jiangsu Province is located in the middle coastal area of East China, and has a relatively developed economy large population density. Severe convection often occurs Province, lightning activities may cause great economic losses social impact this region. Based on theory natural disaster risk assessment, study investigates hazard factors, sensitivity hazard-pregnant environment, frangibility ha...

The elevated terrain in the desert southwest of the United States provides an ideal location in which to observe the onset and transition from shallow to deep convection. Thunderstorms associated with the North American Monsoon (NAM) occur on a fairly regular diurnal cycle, with shallow convection developing under often clear skies over the highest peaks a few hours after sunrise. The shallow c...

Earth-orbiting satellites have long been used to examine meteorological processes. In the context of severe weather, brightness temperatures (BTs) at infrared wavelengths allow determination convective cloud properties. The anvils cumulonimbus clouds, for example, typically produce BTs close tropopause temperature. Particularly storms generate overshoots that penetrate stratosphere and are cool...

© Royal Swedish Academy of Sciences 2001 Ambio Vol. 30 No. 7, Nov. 2001 http://www.ambio.kva.se Hail is precipitation in the form of balls or irregular chunks of ice, which are usually produced by convective clouds, in association with multicell, supercell, and cold fronts. Hail begins as tiny ice pellets that collide with water droplets. As the attached droplets freeze, the pellets become larg...

Background: Dendritic cells (DCs) are the most potent stimulators of primary T cell responses and play a key role in immune reactions after stem cell transplantation. Very little is known about the cord blood (CB) dendritic cells and their potential involvement in the low incidence and lower severity of acute graft-versus-host disease after CB transplantation.   Objectives: The aim of this stud...

The use of Cloud Computing has increasedrapidly in many organization .Cloud Computing provides many benefits in terms of low cost and accessibility of data. In addition Cloud Computing was predicted to transform the computing world from using local applications and storage into centralized services provided by organization.[10] Ensuring the security of Cloud Computing is major factor in the Clo...