Exempel på thundersnow

• A powerful late season storm brought heavy snow to much of Southern Manitoba on Tuesday along with some local thundersnow in some localities.

• Thundersnow is rare because it requires a great deal of atmospheric instability, caused by fluctuating temperatures not often found in wintertime.

• Thundersnow happens when enough rising air causes a reaction.

• Thundersnow is unusual because it can only occur in a few months of the year.

• Snowfall rates of 2-3 inches (58 cm) per hour were common, and thundersnow occurred.

• Some suburbs reported thundersnow, which is the meteorlogical term for thunder and lightning in a snowstorm.

• The storm also generated a rare meteorological phenomenon known as thundersnow in which thunder and lightning occur concurrently with the falling snow.

• The presence of this thundersnow shows how energetic this storm became.

• Thundersnow is possible within a cyclone's comma head and within lake effect precipitation bands.

• Some people were awakened by thunder and lightning in a very rare thundersnow event.

• Winds of above tropical storm force are frequent with thundersnow.

• Thundersnow is one situation where forcing mechanisms provide support for very steep environmental lapse rates, which as mentioned before is an archetype for favored convection.

• As a result, visibilities in thundersnow are frequently under 1/4 mile.

• Thundersnow developed within heavy bands in some areas.

• The term thundersnow describes a thunderstorm which produces snow as the primary form of precipitation.

• During the storm thundersnow was reported.

• However, it can also occur during dust storms, forest fires, tornadoes, volcanic eruptions, and even in the cold of winter, where the lightning is known as thundersnow.

• Weather radar observations, as well as synoptic report, showed extensive thundersnow embedded within the blizzard; in the heaviest bands, accumulation rates exceeded 20 cm per hour.