what's the definition of significant and hazardous winter weather images

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  They indicate that a region is highly likely to see hazardous amounts of snow, sleet, or ice—meaning you should cancel your travel plans.
  www.nationalgeographic.com › environment › article
  How are winter storm watches, advisories, and warnings different?
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What is significant and hazardous winter weather?
Significant and hazardous winter weather is defined as a combination of: 5 inches or more of snow/sleet within a 12-hour period or7 inches or more of snow/sleet within a 24-hour period AND/OR Enough ice accumulation to cause damage to trees or powerlines AND/OR a life threatening or damaging combination of snow and/or ice accumulation with wind.

Understanding Watch/Warning/Advisory Definitions

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What is a winter storm warning?
A Winter Storm Warning is issued when a significant combination of hazardous winter weather is occurring or imminent. 2) Enough ice accumulation to cause damage to trees or powerlines. 3) a life threatening or damaging combination of snow and/or ice accumulation with wind.

Watch/Warning/Advisory Definitions - National Weather Service

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What is considered a dangerous weather condition?
Situations that cause significant inconveniences, and do not meet warning criteria. Sustained wind or frequent gusts of 25 to 34 mph accompanied by falling and blowing snow, occasionally reducing visibility to less than 1 mile for three hours or more. If caution is not exercised, this could lead to life-threatening situations.

Winter Watch, Warning and Advisory Definitions - weather.gov

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What is the snow/sleet criteria for a winter storm warning?
The snow/sleet criteria for a Winter Storm Warning for the five westernmost counties (Allegany, Mineral, Grant, Pendleton, and Highland) is higher (6 inches or more within a 12-hour period; 8 inches or more within a 24-hour period). Ice Storm Warning ¼ inch or more of ice accumulation. Winter Weather Advisory

Watch/Warning/Advisory Definitions - National Weather Service

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www.weather.gov › lwx › warningsdefinedWatch/Warning/Advisory Definitions - National Weather Service

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Significant and hazardous winter weather is defined as a combination of: 1) 5 inches or more of snow/sleet within a 12-hour period or 7 inches or more of snow/sleet within a 24-hour period. AND/OR. 2) Enough ice accumulation to cause damage to trees or powerlines. AND/OR.
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www.meshcoalition.org › hot-topics › 2022/5/18Understanding Watch/Warning/Advisory Definitions

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May 20, 2022 · Significant and hazardous winter weather is defined as a combination of: 5 inches or more of snow/sleet within a 12-hour period or 7 inches or more of snow/sleet within a 24-hour period AND/OR Enough ice accumulation to cause damage to trees or powerlines AND/OR a life threatening or damaging combination of snow and/or ice accumulation with wind.
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www.weather.gov › apx › winterdefinitionsSafety - Winter Definitions - National Weather Service

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Safety - Winter Definitions. It is important that you learn and understand the definitions of different winter related headlines. Here are the main products used by the NWS to keep people informed. Hazardous Weather Outlook (HWO) The Hazardous Weather Outlook includes any potential weather hazard out to seven (7) days.
www.weather.gov › dtx › winter_defsWinter Watch, Warning and Advisory Definitions

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Winter Weather. A synoptic scale storm producing a combination of winter weather that presents a hazard, and does not meet warning criteria. Snowfall in this case does not have to reach snow advisory criteria. Blowing Snow. Blowing snow reducing visibilities to 1 mile or less and winds less than 35 mph. Sleet Advisory.
www.weather.gov › safety › winter-educationWinter Weather Resources and Frequently Asked Questions

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Winter weather too often catches people unprepared. Researchers say that 70 percent of the fatalities related to ice and snow occur in automobiles, and about 25 percent of all winter related fatalities are people that are caught off guard, out in the storm.
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www.nssl.noaa.gov › education › svrwx101Severe Weather 101: Winter Weather Types

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Blowing Snow. Wind-driven snow that reduces visibility and causes significant drifting. Blowing snow may be snow that is falling and/or loose snow on the ground picked up by the wind. Blizzards. Winds over 35mph with snow and blowing snow, reducing visibility to 1/4 mile or less for at least 3 hours.