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The freezing rain from an ice storm covers everything with heavy, smooth glaze ice. [9] In addition to hazardous driving or walking conditions, branches or even whole trees may break from the weight of ice. Falling branches can block roads, tear down power and telephone lines, and cause other damage.
Because freezing rain does not hit the ground as an ice pellet (called "sleet") but still as a rain droplet, it conforms to the shape of the ground, or object such as a tree branch or car. This makes one thick layer of ice, often called "glaze". Freezing rain and glaze ice on a large scale is called an ice storm. Effects on plants can be severe ...
A wide area of freezing rain created dangerous travel conditions in the Midwest and Plains Saturday morning with dozens of crashes reported, and hours-long closures of major interstates.
The criteria for this warning vary from state to state, but typically an ice storm warning will be issued any time more than 1 ⁄ 4 inch (6.4 mm) of ice at peak is expected to accumulate in an area, else a freezing rain or drizzle advisory is issued; in some areas, the criterion is 1 ⁄ 2 inch (13 mm) instead.
The freezing rain is being made possible by a large push of milder air slowly starting to overspread much of the winter-weary US. Icy conditions make for hazardous travel across central US, but ...
In the areas under the ice storm warning, travel could be "nearly impossible" and the storm is expected to bring power outages and tree damage, the NWS said. Freezing rain left a glaze over the ...
Freezing rain advisory WSW (alt.: freezing drizzle advisory) – Freezing rain or freezing drizzle producing ice accretion of up to 1 ⁄ 4 inch (6.4 mm) that may cause significant travel impairments is expected or occurring. Discontinued on October 2, 2017; a winter weather advisory for freezing rain is now issued instead.
Freezing rain occurs when the wedge of warm air aloft is much thicker, allowing the raindrop to survive until it comes in contact with the cold ground. A coating of ice forms on whatever the ...