DISCUSSION: As a winter storm recently completed its time across several parts of western to northwestern Europe, there was some residual moisture in the air. With this residual moisture in the air coupled with very cold temperatures in place, this led to the perfect precursors to a classic frost event across central to northern Estonia and surrounding countries as well. As seen in the image attached above, nearly surfaces experiencing ice accretion (which is simply put the accumulation of ice on all exposed surfaces due to the presence of sufficient moisture in the air as well as sufficiently cold air). This can be identified in the image above by seeing the bright white coating on all of the plants and trees both inside and beyond the scope of this particular picture which was captured in Simuna, Estonia (a city which is located in northern Estonia to be exact). It is also worth noting that although the frosting event seen here is quite scenic in nature, frost and/or rime ice is a general travel hazard based on the fact that it presents hazards on roads, runways, railways, and more.
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©2017 Meteorologist Jordan Rabinowitz