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Terms in this set (26)
Blizzards feature low temperatures, strong winds, and heavy _____?
An avalanche features the rapid descent of ____?
Weather forecasters describe snow showers which are light and intermittent as _____.
Rain that freezes into tiny ice pellets before reaching the ground is called what?
True or false. Freezing rain can not occur when it is colder than 25 degrees F outside?
This type of snowstorm often occurs along the Mid-Atlantic and Northeastern U.S. coastlines during the Northern Hemispheric Winter-time season and produces heavy snow, strong winds, and very cold temperatures.
This feature is what often is most closely monitored in real-time during classic coastal winter storms for the sake of more accurately predicting the coverage of rain vs. snow.
This type of snowfall often occurs downwind of smaller bodies of water over larger land-masses when the wind direction is oriented in a favorable manner and blows colder air over a warmer body of water.
This type of snowflake forms when a snowflake forms within a layer of the atmosphere which is hovering at between -10 and -20 degrees Celsius that is usually between 0.5 and 2 miles above the surface of the Earth.
Dendritic snow growth zone
In winter weather events which generate accumulating snowfall over some given period, meteorologists focus most closely on the evolving and dynamic snow growth layer which most commonly referred to as the ____________________.
During the very late Fall or very early Spring-time period, a single-day or multi-day period when there are unseasonably cold low temperatures in place, a ________ warning is issued by the local National Weather Service forecast office.
During more intense winter storms, a ___________ warning is issued by the local National Weather Service office when there are 35 mph winds persisting along with heavy falling or blowing snow for at least 3 hours.
This is the nickname of the conditions that can sometimes occur in association with very heavy falling or blowing snowfall.
This is the critical air temperature (in degrees Celsius) which meteorologists monitor both at and near the surface during any given snowstorm.
When in-cloud temperatures get down to right around -40°C, this type of water can exist within low/mid-level clouds and can remain unfrozen.
This pseudo-coastal region of climatological coastal temperature contrast is the primary surface "fuel" which helps to energize Winter-time coastal low-pressure systems.
This month is best known for the more intense snowstorms of all-time for the Northeastern United States.
This dangerous surface-based feature forms on many roads and un-treated surfaces when melted snow (or other wintry precipitation) adheres to a sub-freezing surface.
This road and sidewalk treatment material helps to reduce the degree to which wintry precipitation freezes to most conventional surfaces.
This is the term which is given to a Winter-time low-pressure system which deepens offshore sufficiently fast that it drops at least 24 millibars of surface pressure within a given 24-hour period.
Winter Storm Watch
This weather advisory is issued when "there is the potential for significant and hazardous winter weather within 48 hours. It does not mean that significant and hazardous winter weather will occur; but rather, it only means it is possible." (credit: National Weather Service).
Winter Storm Warning
This weather advisory is issued when "a significant combination of hazardous winter weather is occurring or imminent." (credit: National Weather Service)
Ice Storm Warning
This weather advisory is issued when "there is a prediction for at least 0.25 inches of ice accumulation." (credit: National Weather Service)
Winter Weather Advisory
This weather advisory is issued when "there is any amount of freezing rain predicted, or when 2 to 4 inches of snow (alone or in combination with sleet and freezing rain). Also, this advisory is most often issued when the weather even is expected to cause a significant inconvenience, but not serious enough to warrant a warning." (credit: National Weather Service)
This weather advisory is issued when "there is a potential for significant, widespread freezing temperatures within the next 24 to 36 hours. This weather advisory is also issued in the autumn until the end of the growing season in a specified region (marked by the occurrence of the first widespread freeze)." (credit: National Weather Service)
This weather advisory is issued when "significant, widespread freezing temperatures are expected. This weather advisory is also issued in the autumn until the end of the growing season in a specified region (marked by the occurrence of the first widespread freeze)." (credit: National Weather Service)