Scientists on a research plane are gathering vital data on winter storms, including real-time images of cloud particles, potentially improving weather forecasting and preventing treacherous conditions.
, little probes that parachute down through the storm and send back data on things like temperature, pressure, relative humidity and wind speed., frequently follows the same flight path, but at higher altitudes of over 60,000 feet. It has instruments that also gather data about the storm, from above.
One thing researchers hope to understand is the role of supercooled liquid water in storm clouds. Under certain conditions, water can stay in a liquid form down to minus 34 degrees Celsius — around minus 29 degrees Fahrenheit. Images of ice crystals sampled from the cloud are created by an on-board instrument and transmitted to researchers inside the plane.Images of ice crystals sampled from the cloud are created by an on-board instrument and transmitted to researchers inside the plane.What they've seen so far, she says, suggests that this kind of water is an important aspect of the snow bands, perhaps leading to more water content, more ice particles, and eventually more snowfall on the ground.
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